diff options
752 files changed, 35141 insertions, 7161 deletions
diff --git a/Documentation/acpi/apei/einj.txt b/Documentation/acpi/apei/einj.txt new file mode 100644 index 000000000000..dfab71848dc8 --- /dev/null +++ b/Documentation/acpi/apei/einj.txt @@ -0,0 +1,59 @@ + APEI Error INJection + ~~~~~~~~~~~~~~~~~~~~ + +EINJ provides a hardware error injection mechanism +It is very useful for debugging and testing of other APEI and RAS features. + +To use EINJ, make sure the following are enabled in your kernel +configuration: + +CONFIG_DEBUG_FS +CONFIG_ACPI_APEI +CONFIG_ACPI_APEI_EINJ + +The user interface of EINJ is debug file system, under the +directory apei/einj. The following files are provided. + +- available_error_type + Reading this file returns the error injection capability of the + platform, that is, which error types are supported. The error type + definition is as follow, the left field is the error type value, the + right field is error description. + + 0x00000001 Processor Correctable + 0x00000002 Processor Uncorrectable non-fatal + 0x00000004 Processor Uncorrectable fatal + 0x00000008 Memory Correctable + 0x00000010 Memory Uncorrectable non-fatal + 0x00000020 Memory Uncorrectable fatal + 0x00000040 PCI Express Correctable + 0x00000080 PCI Express Uncorrectable fatal + 0x00000100 PCI Express Uncorrectable non-fatal + 0x00000200 Platform Correctable + 0x00000400 Platform Uncorrectable non-fatal + 0x00000800 Platform Uncorrectable fatal + + The format of file contents are as above, except there are only the + available error type lines. + +- error_type + This file is used to set the error type value. The error type value + is defined in "available_error_type" description. + +- error_inject + Write any integer to this file to trigger the error + injection. Before this, please specify all necessary error + parameters. + +- param1 + This file is used to set the first error parameter value. Effect of + parameter depends on error_type specified. For memory error, this is + physical memory address. + +- param2 + This file is used to set the second error parameter value. Effect of + parameter depends on error_type specified. For memory error, this is + physical memory address mask. + +For more information about EINJ, please refer to ACPI specification +version 4.0, section 17.5. diff --git a/Documentation/arm/Samsung-S3C24XX/GPIO.txt b/Documentation/arm/Samsung-S3C24XX/GPIO.txt index 2af2cf39915f..816d6071669e 100644 --- a/Documentation/arm/Samsung-S3C24XX/GPIO.txt +++ b/Documentation/arm/Samsung-S3C24XX/GPIO.txt @@ -12,6 +12,8 @@ Introduction of the s3c2410 GPIO system, please read the Samsung provided data-sheet/users manual to find out the complete list. + See Documentation/arm/Samsung/GPIO.txt for the core implemetation. + GPIOLIB ------- @@ -24,8 +26,60 @@ GPIOLIB listed below will be removed (they may be marked as __deprecated in the near future). - - s3c2410_gpio_getpin - - s3c2410_gpio_setpin + The following functions now either have a s3c_ specific variant + or are merged into gpiolib. See the definitions in + arch/arm/plat-samsung/include/plat/gpio-cfg.h: + + s3c2410_gpio_setpin() gpio_set_value() or gpio_direction_output() + s3c2410_gpio_getpin() gpio_get_value() or gpio_direction_input() + s3c2410_gpio_getirq() gpio_to_irq() + s3c2410_gpio_cfgpin() s3c_gpio_cfgpin() + s3c2410_gpio_getcfg() s3c_gpio_getcfg() + s3c2410_gpio_pullup() s3c_gpio_setpull() + + +GPIOLIB conversion +------------------ + +If you need to convert your board or driver to use gpiolib from the exiting +s3c2410 api, then here are some notes on the process. + +1) If your board is exclusively using an GPIO, say to control peripheral + power, then it will require to claim the gpio with gpio_request() before + it can use it. + + It is recommended to check the return value, with at least WARN_ON() + during initialisation. + +2) The s3c2410_gpio_cfgpin() can be directly replaced with s3c_gpio_cfgpin() + as they have the same arguments, and can either take the pin specific + values, or the more generic special-function-number arguments. + +3) s3c2410_gpio_pullup() changs have the problem that whilst the + s3c2410_gpio_pullup(x, 1) can be easily translated to the + s3c_gpio_setpull(x, S3C_GPIO_PULL_NONE), the s3c2410_gpio_pullup(x, 0) + are not so easy. + + The s3c2410_gpio_pullup(x, 0) case enables the pull-up (or in the case + of some of the devices, a pull-down) and as such the new API distinguishes + between the UP and DOWN case. There is currently no 'just turn on' setting + which may be required if this becomes a problem. + +4) s3c2410_gpio_setpin() can be replaced by gpio_set_value(), the old call + does not implicitly configure the relevant gpio to output. The gpio + direction should be changed before using gpio_set_value(). + +5) s3c2410_gpio_getpin() is replaceable by gpio_get_value() if the pin + has been set to input. It is currently unknown what the behaviour is + when using gpio_get_value() on an output pin (s3c2410_gpio_getpin + would return the value the pin is supposed to be outputting). + +6) s3c2410_gpio_getirq() should be directly replacable with the + gpio_to_irq() call. + +The s3c2410_gpio and gpio_ calls have always operated on the same gpio +numberspace, so there is no problem with converting the gpio numbering +between the calls. Headers @@ -54,6 +108,11 @@ PIN Numbers eg S3C2410_GPA(0) or S3C2410_GPF(1). These defines are used to tell the GPIO functions which pin is to be used. + With the conversion to gpiolib, there is no longer a direct conversion + from gpio pin number to register base address as in earlier kernels. This + is due to the number space required for newer SoCs where the later + GPIOs are not contiguous. + Configuring a pin ----------------- @@ -71,6 +130,8 @@ Configuring a pin which would turn GPA(0) into the lowest Address line A0, and set GPE(8) to be connected to the SDIO/MMC controller's SDDAT1 line. + The s3c_gpio_cfgpin() call is a functional replacement for this call. + Reading the current configuration --------------------------------- @@ -82,6 +143,9 @@ Reading the current configuration The return value will be from the same set of values which can be passed to s3c2410_gpio_cfgpin(). + The s3c_gpio_getcfg() call should be a functional replacement for + this call. + Configuring a pull-up resistor ------------------------------ @@ -95,6 +159,10 @@ Configuring a pull-up resistor Where the to value is zero to set the pull-up off, and 1 to enable the specified pull-up. Any other values are currently undefined. + The s3c_gpio_setpull() offers similar functionality, but with the + ability to encode whether the pull is up or down. Currently there + is no 'just on' state, so up or down must be selected. + Getting the state of a PIN -------------------------- @@ -106,6 +174,9 @@ Getting the state of a PIN This will return either zero or non-zero. Do not count on this function returning 1 if the pin is set. + This call is now implemented by the relevant gpiolib calls, convert + your board or driver to use gpiolib. + Setting the state of a PIN -------------------------- @@ -117,6 +188,9 @@ Setting the state of a PIN Which sets the given pin to the value. Use 0 to write 0, and 1 to set the output to 1. + This call is now implemented by the relevant gpiolib calls, convert + your board or driver to use gpiolib. + Getting the IRQ number associated with a PIN -------------------------------------------- @@ -128,6 +202,9 @@ Getting the IRQ number associated with a PIN Note, not all pins have an IRQ. + This call is now implemented by the relevant gpiolib calls, convert + your board or driver to use gpiolib. + Authour ------- diff --git a/Documentation/arm/Samsung-S3C24XX/Overview.txt b/Documentation/arm/Samsung-S3C24XX/Overview.txt index 081892df4fda..c12bfc1a00c9 100644 --- a/Documentation/arm/Samsung-S3C24XX/Overview.txt +++ b/Documentation/arm/Samsung-S3C24XX/Overview.txt @@ -8,10 +8,16 @@ Introduction The Samsung S3C24XX range of ARM9 System-on-Chip CPUs are supported by the 's3c2410' architecture of ARM Linux. Currently the S3C2410, - S3C2412, S3C2413, S3C2440, S3C2442 and S3C2443 devices are supported. + S3C2412, S3C2413, S3C2416 S3C2440, S3C2442, S3C2443 and S3C2450 devices + are supported. Support for the S3C2400 and S3C24A0 series are in progress. + The S3C2416 and S3C2450 devices are very similar and S3C2450 support is + included under the arch/arm/mach-s3c2416 directory. Note, whilst core + support for these SoCs is in, work on some of the extra peripherals + and extra interrupts is still ongoing. + Configuration ------------- @@ -209,6 +215,13 @@ GPIO Newer kernels carry GPIOLIB, and support is being moved towards this with some of the older support in line to be removed. + As of v2.6.34, the move towards using gpiolib support is almost + complete, and very little of the old calls are left. + + See Documentation/arm/Samsung-S3C24XX/GPIO.txt for the S3C24XX specific + support and Documentation/arm/Samsung/GPIO.txt for the core Samsung + implementation. + Clock Management ---------------- diff --git a/Documentation/arm/Samsung/GPIO.txt b/Documentation/arm/Samsung/GPIO.txt new file mode 100644 index 000000000000..05850c62abeb --- /dev/null +++ b/Documentation/arm/Samsung/GPIO.txt @@ -0,0 +1,42 @@ + Samsung GPIO implementation + =========================== + +Introduction +------------ + +This outlines the Samsung GPIO implementation and the architecture +specfic calls provided alongisde the drivers/gpio core. + + +S3C24XX (Legacy) +---------------- + +See Documentation/arm/Samsung-S3C24XX/GPIO.txt for more information +about these devices. Their implementation is being brought into line +with the core samsung implementation described in this document. + + +GPIOLIB integration +------------------- + +The gpio implementation uses gpiolib as much as possible, only providing +specific calls for the items that require Samsung specific handling, such +as pin special-function or pull resistor control. + +GPIO numbering is synchronised between the Samsung and gpiolib system. + + +PIN configuration +----------------- + +Pin configuration is specific to the Samsung architecutre, with each SoC +registering the necessary information for the core gpio configuration +implementation to configure pins as necessary. + +The s3c_gpio_cfgpin() and s3c_gpio_setpull() provide the means for a +driver or machine to change gpio configuration. + +See arch/arm/plat-samsung/include/plat/gpio-cfg.h for more information +on these functions. + + diff --git a/Documentation/arm/Samsung/Overview.txt b/Documentation/arm/Samsung/Overview.txt index 7cced1fea9c3..c3094ea51aa7 100644 --- a/Documentation/arm/Samsung/Overview.txt +++ b/Documentation/arm/Samsung/Overview.txt @@ -13,9 +13,10 @@ Introduction - S3C24XX: See Documentation/arm/Samsung-S3C24XX/Overview.txt for full list - S3C64XX: S3C6400 and S3C6410 - - S5PC6440 - - S5PC100 and S5PC110 support is currently being merged + - S5P6440 + - S5P6442 + - S5PC100 + - S5PC110 / S5PV210 S3C24XX Systems @@ -35,7 +36,10 @@ Configuration unifying all the SoCs into one kernel. s5p6440_defconfig - S5P6440 specific default configuration + s5p6442_defconfig - S5P6442 specific default configuration s5pc100_defconfig - S5PC100 specific default configuration + s5pc110_defconfig - S5PC110 specific default configuration + s5pv210_defconfig - S5PV210 specific default configuration Layout @@ -50,18 +54,27 @@ Layout specific information. It contains the base clock, GPIO and device definitions to get the system running. - plat-s3c is the s3c24xx/s3c64xx platform directory, although it is currently - involved in other builds this will be phased out once the relevant code is - moved elsewhere. - plat-s3c24xx is for s3c24xx specific builds, see the S3C24XX docs. - plat-s3c64xx is for the s3c64xx specific bits, see the S3C24XX docs. + plat-s5p is for s5p specific builds, and contains common support for the + S5P specific systems. Not all S5Ps use all the features in this directory + due to differences in the hardware. + + +Layout changes +-------------- + + The old plat-s3c and plat-s5pc1xx directories have been removed, with + support moved to either plat-samsung or plat-s5p as necessary. These moves + where to simplify the include and dependency issues involved with having + so many different platform directories. - plat-s5p is for s5p specific builds, more to be added. + It was decided to remove plat-s5pc1xx as some of the support was already + in plat-s5p or plat-samsung, with the S5PC110 support added with S5PV210 + the only user was the S5PC100. The S5PC100 specific items where moved to + arch/arm/mach-s5pc100. - [ to finish ] Port Contributors diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking index 61c98f03baa1..96d4293607ec 100644 --- a/Documentation/filesystems/Locking +++ b/Documentation/filesystems/Locking @@ -380,7 +380,7 @@ prototypes: int (*open) (struct inode *, struct file *); int (*flush) (struct file *); int (*release) (struct inode *, struct file *); - int (*fsync) (struct file *, struct dentry *, int datasync); + int (*fsync) (struct file *, int datasync); int (*aio_fsync) (struct kiocb *, int datasync); int (*fasync) (int, struct file *, int); int (*lock) (struct file *, int, struct file_lock *); diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt index b66858538df5..94677e7dcb13 100644 --- a/Documentation/filesystems/vfs.txt +++ b/Documentation/filesystems/vfs.txt @@ -401,11 +401,16 @@ otherwise noted. started might not be in the page cache at the end of the walk). - truncate: called by the VFS to change the size of a file. The + truncate: Deprecated. This will not be called if ->setsize is defined. + Called by the VFS to change the size of a file. The i_size field of the inode is set to the desired size by the VFS before this method is called. This method is called by the truncate(2) system call and related functionality. + Note: ->truncate and vmtruncate are deprecated. Do not add new + instances/calls of these. Filesystems should be converted to do their + truncate sequence via ->setattr(). + permission: called by the VFS to check for access rights on a POSIX-like filesystem. @@ -729,7 +734,7 @@ struct file_operations { int (*open) (struct inode *, struct file *); int (*flush) (struct file *); int (*release) (struct inode *, struct file *); - int (*fsync) (struct file *, struct dentry *, int datasync); + int (*fsync) (struct file *, int datasync); int (*aio_fsync) (struct kiocb *, int datasync); int (*fasync) (int, struct file *, int); int (*lock) (struct file *, int, struct file_lock *); diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 4767c0e18750..a49709e86d59 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -145,11 +145,10 @@ and is between 256 and 4096 characters. It is defined in the file acpi= [HW,ACPI,X86] Advanced Configuration and Power Interface - Format: { force | off | ht | strict | noirq | rsdt } + Format: { force | off | strict | noirq | rsdt } force -- enable ACPI if default was off off -- disable ACPI if default was on noirq -- do not use ACPI for IRQ routing - ht -- run only enough ACPI to enable Hyper Threading strict -- Be less tolerant of platforms that are not strictly ACPI specification compliant. rsdt -- prefer RSDT over (default) XSDT @@ -758,6 +757,10 @@ and is between 256 and 4096 characters. It is defined in the file Default value is 0. Value can be changed at runtime via /selinux/enforce. + erst_disable [ACPI] + Disable Error Record Serialization Table (ERST) + support. + ether= [HW,NET] Ethernet cards parameters This option is obsoleted by the "netdev=" option, which has equivalent usage. See its documentation for details. @@ -852,6 +855,11 @@ and is between 256 and 4096 characters. It is defined in the file hd= [EIDE] (E)IDE hard drive subsystem geometry Format: <cyl>,<head>,<sect> + hest_disable [ACPI] + Disable Hardware Error Source Table (HEST) support; + corresponding firmware-first mode error processing + logic will be disabled. + highmem=nn[KMG] [KNL,BOOT] forces the highmem zone to have an exact size of <nn>. This works even on boxes that have no highmem otherwise. This also works to reduce highmem @@ -1252,6 +1260,8 @@ and is between 256 and 4096 characters. It is defined in the file * nohrst, nosrst, norst: suppress hard, soft and both resets. + * dump_id: dump IDENTIFY data. + If there are multiple matching configurations changing the same attribute, the last one is used. diff --git a/MAINTAINERS b/MAINTAINERS index 33047a605438..25b4159fa132 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -948,8 +948,9 @@ ARM/SHMOBILE ARM ARCHITECTURE M: Paul Mundt <lethal@linux-sh.org> M: Magnus Damm <magnus.damm@gmail.com> L: linux-sh@vger.kernel.org -T: git git://git.kernel.org/pub/scm/linux/kernel/git/lethal/genesis-2.6.git W: http://oss.renesas.com +Q: http://patchwork.kernel.org/project/linux-sh/list/ +T: git git://git.kernel.org/pub/scm/linux/kernel/git/lethal/genesis-2.6.git S: Supported F: arch/arm/mach-shmobile/ F: drivers/sh/ @@ -2887,6 +2888,13 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git S: Maintained F: drivers/input/ +INTEL IDLE DRIVER +M: Len Brown <lenb@kernel.org> +L: linux-pm@lists.linux-foundation.org +T: git git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-idle-2.6.git +S: Supported +F: drivers/idle/intel_idle.c + INTEL FRAMEBUFFER DRIVER (excluding 810 and 815) M: Maik Broemme <mbroemme@plusserver.de> L: linux-fbdev@vger.kernel.org @@ -1,7 +1,7 @@ VERSION = 2 PATCHLEVEL = 6 -SUBLEVEL = 34 -EXTRAVERSION = +SUBLEVEL = 35 +EXTRAVERSION = -rc1 NAME = Sheep on Meth # *DOCUMENTATION* diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c index a52a27c1d9be..6f80665f477e 100644 --- a/arch/arm/common/sa1111.c +++ b/arch/arm/common/sa1111.c @@ -951,8 +951,6 @@ static int sa1111_resume(struct platform_device *dev) if (!save) return 0; - spin_lock_irqsave(&sachip->lock, flags); - /* * Ensure that the SA1111 is still here. * FIXME: shouldn't do this here. @@ -969,6 +967,13 @@ static int sa1111_resume(struct platform_device *dev) * First of all, wake up the chip. */ sa1111_wake(sachip); + + /* + * Only lock for write ops. Also, sa1111_wake must be called with + * released spinlock! + */ + spin_lock_irqsave(&sachip->lock, flags); + sa1111_writel(0, sachip->base + SA1111_INTC + SA1111_INTEN0); sa1111_writel(0, sachip->base + SA1111_INTC + SA1111_INTEN1); diff --git a/arch/arm/configs/ap4evb_defconfig b/arch/arm/configs/ap4evb_defconfig index e14229be7676..57cb4b0ea83e 100644 --- a/arch/arm/configs/ap4evb_defconfig +++ b/arch/arm/configs/ap4evb_defconfig @@ -1,12 +1,15 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.33-rc7 -# Mon Feb 8 12:25:36 2010 +# Linux kernel version: 2.6.35-rc1 +# Mon May 31 14:29:17 2010 # CONFIG_ARM=y CONFIG_SYS_SUPPORTS_APM_EMULATION=y +CONFIG_GENERIC_GPIO=y CONFIG_GENERIC_TIME=y +# CONFIG_ARCH_USES_GETTIMEOFFSET is not set CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_HAVE_PROC_CPU=y CONFIG_GENERIC_HARDIRQS=y CONFIG_STACKTRACE_SUPPORT=y CONFIG_HAVE_LATENCYTOP_SUPPORT=y @@ -17,6 +20,7 @@ CONFIG_GENERIC_IRQ_PROBE=y CONFIG_RWSEM_GENERIC_SPINLOCK=y CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_NEED_DMA_MAP_STATE=y CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y CONFIG_VECTORS_BASE=0xffff0000 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" @@ -31,6 +35,7 @@ CONFIG_INIT_ENV_ARG_LIMIT=32 CONFIG_LOCALVERSION="" CONFIG_LOCALVERSION_AUTO=y CONFIG_HAVE_KERNEL_GZIP=y +CONFIG_HAVE_KERNEL_LZMA=y CONFIG_HAVE_KERNEL_LZO=y CONFIG_KERNEL_GZIP=y # CONFIG_KERNEL_BZIP2 is not set @@ -54,11 +59,6 @@ CONFIG_RCU_FANOUT=32 CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=16 -CONFIG_GROUP_SCHED=y -CONFIG_FAIR_GROUP_SCHED=y -# CONFIG_RT_GROUP_SCHED is not set -CONFIG_USER_SCHED=y -# CONFIG_CGROUP_SCHED is not set # CONFIG_CGROUPS is not set # CONFIG_SYSFS_DEPRECATED_V2 is not set # CONFIG_RELAY is not set @@ -94,10 +94,14 @@ CONFIG_TIMERFD=y CONFIG_EVENTFD=y CONFIG_SHMEM=y CONFIG_AIO=y +CONFIG_HAVE_PERF_EVENTS=y +CONFIG_PERF_USE_VMALLOC=y # # Kernel Performance Events And Counters # +# CONFIG_PERF_EVENTS is not set +# CONFIG_PERF_COUNTERS is not set CONFIG_VM_EVENT_COUNTERS=y CONFIG_COMPAT_BRK=y CONFIG_SLAB=y @@ -172,8 +176,11 @@ CONFIG_MMU=y # CONFIG_ARCH_INTEGRATOR is not set # CONFIG_ARCH_REALVIEW is not set # CONFIG_ARCH_VERSATILE is not set +# CONFIG_ARCH_VEXPRESS is not set # CONFIG_ARCH_AT91 is not set +# CONFIG_ARCH_BCMRING is not set # CONFIG_ARCH_CLPS711X is not set +# CONFIG_ARCH_CNS3XXX is not set # CONFIG_ARCH_GEMINI is not set # CONFIG_ARCH_EBSA110 is not set # CONFIG_ARCH_EP93XX is not set @@ -182,7 +189,6 @@ CONFIG_MMU=y # CONFIG_ARCH_STMP3XXX is not set # CONFIG_ARCH_NETX is not set # CONFIG_ARCH_H720X is not set -# CONFIG_ARCH_NOMADIK is not set # CONFIG_ARCH_IOP13XX is not set # CONFIG_ARCH_IOP32X is not set # CONFIG_ARCH_IOP33X is not set @@ -199,6 +205,7 @@ CONFIG_MMU=y # CONFIG_ARCH_KS8695 is not set # CONFIG_ARCH_NS9XXX is not set # CONFIG_ARCH_W90X900 is not set +# CONFIG_ARCH_NUC93X is not set # CONFIG_ARCH_PNX4008 is not set # CONFIG_ARCH_PXA is not set # CONFIG_ARCH_MSM is not set @@ -207,14 +214,18 @@ CONFIG_ARCH_SHMOBILE=y # CONFIG_ARCH_SA1100 is not set # CONFIG_ARCH_S3C2410 is not set # CONFIG_ARCH_S3C64XX is not set -# CONFIG_ARCH_S5PC1XX is not set +# CONFIG_ARCH_S5P6440 is not set +# CONFIG_ARCH_S5P6442 is not set +# CONFIG_ARCH_S5PC100 is not set +# CONFIG_ARCH_S5PV210 is not set # CONFIG_ARCH_SHARK is not set # CONFIG_ARCH_LH7A40X is not set # CONFIG_ARCH_U300 is not set +# CONFIG_ARCH_U8500 is not set +# CONFIG_ARCH_NOMADIK is not set # CONFIG_ARCH_DAVINCI is not set # CONFIG_ARCH_OMAP is not set -# CONFIG_ARCH_BCMRING is not set -# CONFIG_ARCH_U8500 is not set +# CONFIG_PLAT_SPEAR is not set # # SH-Mobile System Type @@ -242,6 +253,8 @@ CONFIG_MEMORY_SIZE=0x10000000 # Timer and clock configuration # CONFIG_SH_TIMER_CMT=y +CONFIG_SH_TIMER_TMU=y +CONFIG_SH_CLK_CPG=y # # Processor Type @@ -269,6 +282,8 @@ CONFIG_ARM_THUMB=y # CONFIG_CPU_BPREDICT_DISABLE is not set CONFIG_HAS_TLS_REG=y CONFIG_ARM_L1_CACHE_SHIFT=5 +CONFIG_ARM_DMA_MEM_BUFFERABLE=y +CONFIG_CPU_HAS_PMU=y # CONFIG_ARM_ERRATA_430973 is not set # CONFIG_ARM_ERRATA_458693 is not set # CONFIG_ARM_ERRATA_460075 is not set @@ -322,7 +337,8 @@ CONFIG_ALIGNMENT_TRAP=y # CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 -CONFIG_CMDLINE="console=ttySC0,115200 earlyprintk=sh-sci.0,115200" +CONFIG_CMDLINE="console=ttySC0,115200" +# CONFIG_CMDLINE_FORCE is not set # CONFIG_XIP_KERNEL is not set CONFIG_KEXEC=y CONFIG_ATAGS_PROC=y @@ -398,6 +414,7 @@ CONFIG_MTD_BLOCK=y # CONFIG_INFTL is not set # CONFIG_RFD_FTL is not set # CONFIG_SSFDC is not set +# CONFIG_SM_FTL is not set # CONFIG_MTD_OOPS is not set # @@ -449,13 +466,19 @@ CONFIG_MTD_PHYSMAP=y # CONFIG_MTD_DOC2001 is not set # CONFIG_MTD_DOC2001PLUS is not set CONFIG_MTD_NAND=y -# CONFIG_MTD_NAND_VERIFY_WRITE is not set +CONFIG_MTD_NAND_ECC=y # CONFIG_MTD_NAND_ECC_SMC is not set +# CONFIG_MTD_NAND_VERIFY_WRITE is not set +# CONFIG_MTD_SM_COMMON is not set # CONFIG_MTD_NAND_MUSEUM_IDS is not set +CONFIG_MTD_NAND_DENALI_SCRATCH_REG_ADDR=0xFF108018 +# CONFIG_MTD_NAND_GPIO is not set CONFIG_MTD_NAND_IDS=y # CONFIG_MTD_NAND_DISKONCHIP is not set # CONFIG_MTD_NAND_NANDSIM is not set # CONFIG_MTD_NAND_PLATFORM is not set +# CONFIG_MTD_ALAUDA is not set +# CONFIG_MTD_NAND_SH_FLCTL is not set # CONFIG_MTD_ONENAND is not set # @@ -476,6 +499,7 @@ CONFIG_HAVE_IDE=y # # SCSI device support # +CONFIG_SCSI_MOD=y # CONFIG_RAID_ATTRS is not set # CONFIG_SCSI is not set # CONFIG_SCSI_DMA is not set @@ -506,17 +530,56 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 # # Input Device Drivers # -# CONFIG_INPUT_KEYBOARD is not set +CONFIG_INPUT_KEYBOARD=y +# CONFIG_KEYBOARD_ADP5588 is not set +CONFIG_KEYBOARD_ATKBD=y +# CONFIG_QT2160 is not set +# CONFIG_KEYBOARD_LKKBD is not set +# CONFIG_KEYBOARD_GPIO is not set +# CONFIG_KEYBOARD_TCA6416 is not set +# CONFIG_KEYBOARD_MATRIX is not set +# CONFIG_KEYBOARD_MAX7359 is not set +# CONFIG_KEYBOARD_NEWTON is not set +# CONFIG_KEYBOARD_OPENCORES is not set +# CONFIG_KEYBOARD_STOWAWAY is not set +# CONFIG_KEYBOARD_SUNKBD is not set +CONFIG_KEYBOARD_SH_KEYSC=y +# CONFIG_KEYBOARD_XTKBD is not set # CONFIG_INPUT_MOUSE is not set # CONFIG_INPUT_JOYSTICK is not set # CONFIG_INPUT_TABLET is not set -# CONFIG_INPUT_TOUCHSCREEN is not set +CONFIG_INPUT_TOUCHSCREEN=y +# CONFIG_TOUCHSCREEN_AD7879_I2C is not set +# CONFIG_TOUCHSCREEN_AD7879 is not set +# CONFIG_TOUCHSCREEN_DYNAPRO is not set +# CONFIG_TOUCHSCREEN_HAMPSHIRE is not set +# CONFIG_TOUCHSCREEN_EETI is not set +# CONFIG_TOUCHSCREEN_FUJITSU is not set +# CONFIG_TOUCHSCREEN_GUNZE is not set +# CONFIG_TOUCHSCREEN_ELO is not set +# CONFIG_TOUCHSCREEN_WACOM_W8001 is not set +# CONFIG_TOUCHSCREEN_MCS5000 is not set +# CONFIG_TOUCHSCREEN_MTOUCH is not set +# CONFIG_TOUCHSCREEN_INEXIO is not set +# CONFIG_TOUCHSCREEN_MK712 is not set +# CONFIG_TOUCHSCREEN_PENMOUNT is not set +# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set +# CONFIG_TOUCHSCREEN_TOUCHWIN is not set +# CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set +# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set +CONFIG_TOUCHSCREEN_TSC2007=y +# CONFIG_TOUCHSCREEN_W90X900 is not set +# CONFIG_TOUCHSCREEN_TPS6507X is not set # CONFIG_INPUT_MISC is not set # # Hardware I/O ports # -# CONFIG_SERIO is not set +CONFIG_SERIO=y +CONFIG_SERIO_SERPORT=y +CONFIG_SERIO_LIBPS2=y +# CONFIG_SERIO_RAW is not set +# CONFIG_SERIO_ALTERA_PS2 is not set # CONFIG_GAMEPORT is not set # @@ -541,8 +604,12 @@ CONFIG_DEVKMEM=y CONFIG_SERIAL_SH_SCI=y CONFIG_SERIAL_SH_SCI_NR_UARTS=8 CONFIG_SERIAL_SH_SCI_CONSOLE=y +CONFIG_SERIAL_SH_SCI_DMA=y CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y +# CONFIG_SERIAL_TIMBERDALE is not set +# CONFIG_SERIAL_ALTERA_JTAGUART is not set +# CONFIG_SERIAL_ALTERA_UART is not set CONFIG_UNIX98_PTYS=y # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set # CONFIG_LEGACY_PTYS is not set @@ -551,13 +618,81 @@ CONFIG_UNIX98_PTYS=y # CONFIG_R3964 is not set # CONFIG_RAW_DRIVER is not set # CONFIG_TCG_TPM is not set -# CONFIG_I2C is not set +# CONFIG_RAMOOPS is not set +CONFIG_I2C=y +CONFIG_I2C_BOARDINFO=y +CONFIG_I2C_COMPAT=y +# CONFIG_I2C_CHARDEV is not set +CONFIG_I2C_HELPER_AUTO=y + +# +# I2C Hardware Bus support +# + +# +# I2C system bus drivers (mostly embedded / system-on-chip) +# +# CONFIG_I2C_DESIGNWARE is not set +# CONFIG_I2C_GPIO is not set +# CONFIG_I2C_OCORES is not set +CONFIG_I2C_SH_MOBILE=y +# CONFIG_I2C_SIMTEC is not set +# CONFIG_I2C_XILINX is not set + +# +# External I2C/SMBus adapter drivers +# +# CONFIG_I2C_PARPORT_LIGHT is not set +# CONFIG_I2C_TAOS_EVM is not set +# CONFIG_I2C_TINY_USB is not set + +# +# Other I2C/SMBus bus drivers +# +# CONFIG_I2C_PCA_PLATFORM is not set +# CONFIG_I2C_DEBUG_CORE is not set +# CONFIG_I2C_DEBUG_ALGO is not set +# CONFIG_I2C_DEBUG_BUS is not set # CONFIG_SPI is not set # # PPS support # # CONFIG_PPS is not set +CONFIG_ARCH_REQUIRE_GPIOLIB=y +CONFIG_GPIOLIB=y +# CONFIG_DEBUG_GPIO is not set +# CONFIG_GPIO_SYSFS is not set + +# +# Memory mapped GPIO expanders: +# +# CONFIG_GPIO_IT8761E is not set + +# +# I2C GPIO expanders: +# +# CONFIG_GPIO_MAX7300 is not set +# CONFIG_GPIO_MAX732X is not set +# CONFIG_GPIO_PCA953X is not set +# CONFIG_GPIO_PCF857X is not set +# CONFIG_GPIO_ADP5588 is not set + +# +# PCI GPIO expanders: +# + +# +# SPI GPIO expanders: +# + +# +# AC97 GPIO expanders: +# + +# +# MODULbus GPIO expanders: +# # CONFIG_W1 is not set # CONFIG_POWER_SUPPLY is not set # CONFIG_HWMON is not set @@ -569,25 +704,170 @@ CONFIG_SSB_POSSIBLE=y # Sonics Silicon Backplane # # CONFIG_SSB is not set - -# -# Multifunction device drivers -# -# CONFIG_MFD_CORE is not set +CONFIG_MFD_SUPPORT=y +CONFIG_MFD_CORE=y +# CONFIG_MFD_88PM860X is not set # CONFIG_MFD_SM501 is not set +# CONFIG_MFD_ASIC3 is not set +CONFIG_MFD_SH_MOBILE_SDHI=y +# CONFIG_HTC_EGPIO is not set # CONFIG_HTC_PASIC3 is not set +# CONFIG_HTC_I2CPLD is not set +# CONFIG_TPS65010 is not set +# CONFIG_TPS6507X is not set +# CONFIG_TWL4030_CORE is not set +# CONFIG_MFD_TC35892 is not set # CONFIG_MFD_TMIO is not set +CONFIG_TMIO_MMC_DMA=y # CONFIG_MFD_T7L66XB is not set # CONFIG_MFD_TC6387XB is not set +# CONFIG_MFD_TC6393XB is not set +# CONFIG_PMIC_DA903X is not set +# CONFIG_PMIC_ADP5520 is not set +# CONFIG_MFD_MAX8925 is not set +# CONFIG_MFD_WM8400 is not set +# CONFIG_MFD_WM831X is not set +# CONFIG_MFD_WM8350_I2C is not set +# CONFIG_MFD_WM8994 is not set +# CONFIG_MFD_PCF50633 is not set +# CONFIG_ABX500_CORE is not set # CONFIG_REGULATOR is not set -# CONFIG_MEDIA_SUPPORT is not set +CONFIG_MEDIA_SUPPORT=y + +# +# Multimedia core support +# +CONFIG_VIDEO_DEV=y +CONFIG_VIDEO_V4L2_COMMON=y +# CONFIG_VIDEO_ALLOW_V4L1 is not set +# CONFIG_VIDEO_V4L1_COMPAT is not set +CONFIG_VIDEO_MEDIA=y + +# +# Multimedia drivers +# +CONFIG_IR_CORE=y +CONFIG_VIDEO_IR=y +CONFIG_RC_MAP=y +CONFIG_IR_NEC_DECODER=y +CONFIG_IR_RC5_DECODER=y +CONFIG_IR_RC6_DECODER=y +CONFIG_IR_JVC_DECODER=y +CONFIG_IR_SONY_DECODER=y +# CONFIG_IR_IMON is not set +CONFIG_MEDIA_TUNER=y +# CONFIG_MEDIA_TUNER_CUSTOMISE is not set +CONFIG_MEDIA_TUNER_SIMPLE=y +CONFIG_MEDIA_TUNER_TDA8290=y +CONFIG_MEDIA_TUNER_TDA9887=y +CONFIG_MEDIA_TUNER_TEA5761=y +CONFIG_MEDIA_TUNER_TEA5767=y +CONFIG_MEDIA_TUNER_MT20XX=y +CONFIG_MEDIA_TUNER_XC2028=y +CONFIG_MEDIA_TUNER_XC5000=y +CONFIG_MEDIA_TUNER_MC44S803=y +CONFIG_VIDEO_V4L2=y +CONFIG_VIDEO_CAPTURE_DRIVERS=y +# CONFIG_VIDEO_ADV_DEBUG is not set +# CONFIG_VIDEO_FIXED_MINOR_RANGES is not set +CONFIG_VIDEO_HELPER_CHIPS_AUTO=y +CONFIG_VIDEO_IR_I2C=y +# CONFIG_VIDEO_SH_VOU is not set +# CONFIG_VIDEO_SAA5246A is not set +# CONFIG_VIDEO_SAA5249 is not set +# CONFIG_SOC_CAMERA is not set +CONFIG_V4L_USB_DRIVERS=y +# CONFIG_USB_VIDEO_CLASS is not set +CONFIG_USB_VIDEO_CLASS_INPUT_EVDEV=y +CONFIG_USB_GSPCA=y +# CONFIG_USB_M5602 is not set +# CONFIG_USB_STV06XX is not set +# CONFIG_USB_GL860 is not set +# CONFIG_USB_GSPCA_BENQ is not set +# CONFIG_USB_GSPCA_CONEX is not set +# CONFIG_USB_GSPCA_CPIA1 is not set +# CONFIG_USB_GSPCA_ETOMS is not set +# CONFIG_USB_GSPCA_FINEPIX is not set +# CONFIG_USB_GSPCA_JEILINJ is not set +# CONFIG_USB_GSPCA_MARS is not set +# CONFIG_USB_GSPCA_MR97310A is not set +# CONFIG_USB_GSPCA_OV519 is not set +# CONFIG_USB_GSPCA_OV534 is not set +# CONFIG_USB_GSPCA_OV534_9 is not set +# CONFIG_USB_GSPCA_PAC207 is not set +# CONFIG_USB_GSPCA_PAC7302 is not set +# CONFIG_USB_GSPCA_PAC7311 is not set +# CONFIG_USB_GSPCA_SN9C2028 is not set +# CONFIG_USB_GSPCA_SN9C20X is not set +# CONFIG_USB_GSPCA_SONIXB is not set +# CONFIG_USB_GSPCA_SONIXJ is not set +# CONFIG_USB_GSPCA_SPCA500 is not set +# CONFIG_USB_GSPCA_SPCA501 is not set +# CONFIG_USB_GSPCA_SPCA505 is not set +# CONFIG_USB_GSPCA_SPCA506 is not set +# CONFIG_USB_GSPCA_SPCA508 is not set +# CONFIG_USB_GSPCA_SPCA561 is not set +# CONFIG_USB_GSPCA_SQ905 is not set +# CONFIG_USB_GSPCA_SQ905C is not set +# CONFIG_USB_GSPCA_STK014 is not set +# CONFIG_USB_GSPCA_STV0680 is not set +# CONFIG_USB_GSPCA_SUNPLUS is not set +# CONFIG_USB_GSPCA_T613 is not set +# CONFIG_USB_GSPCA_TV8532 is not set +# CONFIG_USB_GSPCA_VC032X is not set +# CONFIG_USB_GSPCA_ZC3XX is not set +# CONFIG_VIDEO_PVRUSB2 is not set +# CONFIG_VIDEO_HDPVR is not set +# CONFIG_VIDEO_EM28XX is not set +# CONFIG_VIDEO_CX231XX is not set +# CONFIG_VIDEO_USBVISION is not set +# CONFIG_USB_ET61X251 is not set +# CONFIG_USB_SN9C102 is not set +# CONFIG_USB_ZC0301 is not set +# CONFIG_USB_ZR364XX is not set +# CONFIG_USB_STKWEBCAM is not set +# CONFIG_USB_S2255 is not set +# CONFIG_V4L_MEM2MEM_DRIVERS is not set +# CONFIG_RADIO_ADAPTERS is not set +# CONFIG_DAB is not set # # Graphics support # # CONFIG_VGASTATE is not set # CONFIG_VIDEO_OUTPUT_CONTROL is not set -# CONFIG_FB is not set +CONFIG_FB=y +# CONFIG_FIRMWARE_EDID is not set +# CONFIG_FB_DDC is not set +# CONFIG_FB_BOOT_VESA_SUPPORT is not set +# CONFIG_FB_CFB_FILLRECT is not set +# CONFIG_FB_CFB_COPYAREA is not set +# CONFIG_FB_CFB_IMAGEBLIT is not set +# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set +CONFIG_FB_SYS_FILLRECT=y +CONFIG_FB_SYS_COPYAREA=y +CONFIG_FB_SYS_IMAGEBLIT=y +# CONFIG_FB_FOREIGN_ENDIAN is not set +CONFIG_FB_SYS_FOPS=y +CONFIG_FB_DEFERRED_IO=y +# CONFIG_FB_SVGALIB is not set +# CONFIG_FB_MACMODES is not set +# CONFIG_FB_BACKLIGHT is not set +# CONFIG_FB_MODE_HELPERS is not set +# CONFIG_FB_TILEBLITTING is not set + +# +# Frame buffer hardware drivers +# +# CONFIG_FB_S1D13XXX is not set +CONFIG_SH_MIPI_DSI=y +CONFIG_SH_LCD_MIPI_DSI=y +CONFIG_FB_SH_MOBILE_LCDC=y +# CONFIG_FB_TMIO is not set +# CONFIG_FB_VIRTUAL is not set +# CONFIG_FB_METRONOME is not set +# CONFIG_FB_MB862XX is not set +# CONFIG_FB_BROADSHEET is not set # CONFIG_BACKLIGHT_LCD_SUPPORT is not set # @@ -600,22 +880,237 @@ CONFIG_SSB_POSSIBLE=y # # CONFIG_VGA_CONSOLE is not set CONFIG_DUMMY_CONSOLE=y -# CONFIG_SOUND is not set +# CONFIG_FRAMEBUFFER_CONSOLE is not set +CONFIG_LOGO=y +CONFIG_LOGO_LINUX_MONO=y +CONFIG_LOGO_LINUX_VGA16=y +CONFIG_LOGO_LINUX_CLUT224=y +CONFIG_SOUND=y +# CONFIG_SOUND_OSS_CORE is not set +CONFIG_SND=y +CONFIG_SND_TIMER=y +CONFIG_SND_PCM=y +CONFIG_SND_JACK=y +# CONFIG_SND_SEQUENCER is not set +# CONFIG_SND_MIXER_OSS is not set +# CONFIG_SND_PCM_OSS is not set +# CONFIG_SND_DYNAMIC_MINORS is not set +CONFIG_SND_SUPPORT_OLD_API=y +CONFIG_SND_VERBOSE_PROCFS=y +# CONFIG_SND_VERBOSE_PRINTK is not set +# CONFIG_SND_DEBUG is not set +# CONFIG_SND_RAWMIDI_SEQ is not set +# CONFIG_SND_OPL3_LIB_SEQ is not set +# CONFIG_SND_OPL4_LIB_SEQ is not set +# CONFIG_SND_SBAWE_SEQ is not set +# CONFIG_SND_EMU10K1_SEQ is not set +CONFIG_SND_DRIVERS=y +# CONFIG_SND_DUMMY is not set +# CONFIG_SND_MTPAV is not set +# CONFIG_SND_SERIAL_U16550 is not set +# CONFIG_SND_MPU401 is not set +CONFIG_SND_ARM=y +CONFIG_SND_USB=y +# CONFIG_SND_USB_AUDIO is not set +# CONFIG_SND_USB_UA101 is not set +# CONFIG_SND_USB_CAIAQ is not set +CONFIG_SND_SOC=y + +# +# SoC Audio support for SuperH +# +CONFIG_SND_SOC_SH4_FSI=y +CONFIG_SND_FSI_AK4642=y +CONFIG_SND_FSI_DA7210=y +CONFIG_SND_SOC_I2C_AND_SPI=y +# CONFIG_SND_SOC_ALL_CODECS is not set +CONFIG_SND_SOC_AK4642=y +CONFIG_SND_SOC_DA7210=y +# CONFIG_SOUND_PRIME is not set # CONFIG_HID_SUPPORT is not set -# CONFIG_USB_SUPPORT is not set -# CONFIG_MMC is not set +CONFIG_USB_SUPPORT=y +CONFIG_USB_ARCH_HAS_HCD=y +# CONFIG_USB_ARCH_HAS_OHCI is not set +# CONFIG_USB_ARCH_HAS_EHCI is not set +CONFIG_USB=y +# CONFIG_USB_DEBUG is not set +# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set + +# +# Miscellaneous USB options +# +# CONFIG_USB_DEVICEFS is not set +CONFIG_USB_DEVICE_CLASS=y +# CONFIG_USB_DYNAMIC_MINORS is not set +# CONFIG_USB_MON is not set +# CONFIG_USB_WUSB is not set +# CONFIG_USB_WUSB_CBAF is not set + +# +# USB Host Controller Drivers +# +# CONFIG_USB_C67X00_HCD is not set +# CONFIG_USB_OXU210HP_HCD is not set +# CONFIG_USB_ISP116X_HCD is not set +# CONFIG_USB_ISP1760_HCD is not set +# CONFIG_USB_ISP1362_HCD is not set +# CONFIG_USB_SL811_HCD is not set +CONFIG_USB_R8A66597_HCD=y +# CONFIG_USB_HWA_HCD is not set +# CONFIG_USB_MUSB_HDRC is not set + +# +# USB Device Class drivers +# +# CONFIG_USB_ACM is not set +# CONFIG_USB_PRINTER is not set +# CONFIG_USB_WDM is not set +# CONFIG_USB_TMC is not set + +# +# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may +# + +# +# also be needed; see USB_STORAGE Help for more info +# +# CONFIG_USB_LIBUSUAL is not set + +# +# USB Imaging devices +# +# CONFIG_USB_MDC800 is not set + +# +# USB port drivers +# +# CONFIG_USB_SERIAL is not set + +# +# USB Miscellaneous drivers +# +# CONFIG_USB_EMI62 is not set +# CONFIG_USB_EMI26 is not set +# CONFIG_USB_ADUTUX is not set +# CONFIG_USB_SEVSEG is not set +# CONFIG_USB_RIO500 is not set +# CONFIG_USB_LEGOTOWER is not set +# CONFIG_USB_LCD is not set +# CONFIG_USB_LED is not set +# CONFIG_USB_CYPRESS_CY7C63 is not set +# CONFIG_USB_CYTHERM is not set +# CONFIG_USB_IDMOUSE is not set +# CONFIG_USB_FTDI_ELAN is not set +# CONFIG_USB_APPLEDISPLAY is not set +# CONFIG_USB_LD is not set +# CONFIG_USB_TRANCEVIBRATOR is not set +# CONFIG_USB_IOWARRIOR is not set +# CONFIG_USB_TEST is not set +# CONFIG_USB_ISIGHTFW is not set +# CONFIG_USB_GADGET is not set + +# +# OTG and related infrastructure +# +# CONFIG_USB_GPIO_VBUS is not set +# CONFIG_USB_ULPI is not set +# CONFIG_NOP_USB_XCEIV is not set +CONFIG_MMC=y +# CONFIG_MMC_DEBUG is not set +# CONFIG_MMC_UNSAFE_RESUME is not set + +# +# MMC/SD/SDIO Card Drivers +# +CONFIG_MMC_BLOCK=y +CONFIG_MMC_BLOCK_BOUNCE=y +# CONFIG_SDIO_UART is not set +# CONFIG_MMC_TEST is not set + +# +# MMC/SD/SDIO Host Controller Drivers +# +# CONFIG_MMC_SDHCI is not set +CONFIG_MMC_TMIO=y +CONFIG_MMC_SH_MMCIF=y # CONFIG_MEMSTICK is not set # CONFIG_NEW_LEDS is not set # CONFIG_ACCESSIBILITY is not set CONFIG_RTC_LIB=y -# CONFIG_RTC_CLASS is not set -# CONFIG_DMADEVICES is not set -# CONFIG_AUXDISPLAY is not set -# CONFIG_UIO is not set +CONFIG_RTC_CLASS=y +CONFIG_RTC_HCTOSYS=y +CONFIG_RTC_HCTOSYS_DEVICE="rtc0" +# CONFIG_RTC_DEBUG is not set # -# TI VLYNQ +# RTC interfaces # +CONFIG_RTC_INTF_SYSFS=y +CONFIG_RTC_INTF_PROC=y +CONFIG_RTC_INTF_DEV=y +# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set +# CONFIG_RTC_DRV_TEST is not set + +# +# I2C RTC drivers +# +# CONFIG_RTC_DRV_DS1307 is not set +# CONFIG_RTC_DRV_DS1374 is not set +# CONFIG_RTC_DRV_DS1672 is not set +# CONFIG_RTC_DRV_MAX6900 is not set +CONFIG_RTC_DRV_RS5C372=y +# CONFIG_RTC_DRV_ISL1208 is not set +# CONFIG_RTC_DRV_X1205 is not set +# CONFIG_RTC_DRV_PCF8563 is not set +# CONFIG_RTC_DRV_PCF8583 is not set +# CONFIG_RTC_DRV_M41T80 is not set +# CONFIG_RTC_DRV_BQ32K is not set +# CONFIG_RTC_DRV_S35390A is not set +# CONFIG_RTC_DRV_FM3130 is not set +# CONFIG_RTC_DRV_RX8581 is not set +# CONFIG_RTC_DRV_RX8025 is not set + +# +# SPI RTC drivers +# + +# +# Platform RTC drivers +# +# CONFIG_RTC_DRV_CMOS is not set +# CONFIG_RTC_DRV_DS1286 is not set +# CONFIG_RTC_DRV_DS1511 is not set +# CONFIG_RTC_DRV_DS1553 is not set +# CONFIG_RTC_DRV_DS1742 is not set +# CONFIG_RTC_DRV_STK17TA8 is not set +# CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_M48T35 is not set +# CONFIG_RTC_DRV_M48T59 is not set +# CONFIG_RTC_DRV_MSM6242 is not set +# CONFIG_RTC_DRV_BQ4802 is not set +# CONFIG_RTC_DRV_RP5C01 is not set +# CONFIG_RTC_DRV_V3020 is not set + +# +# on-CPU RTC drivers +# +CONFIG_DMADEVICES=y +# CONFIG_DMADEVICES_DEBUG is not set + +# +# DMA Devices +# +CONFIG_SH_DMAE=y +# CONFIG_TIMB_DMA is not set +CONFIG_DMA_ENGINE=y + +# +# DMA Clients +# +# CONFIG_ASYNC_TX_DMA is not set +# CONFIG_DMATEST is not set +# CONFIG_AUXDISPLAY is not set +# CONFIG_UIO is not set # CONFIG_STAGING is not set # @@ -677,7 +1172,46 @@ CONFIG_TMPFS=y # # CONFIG_PARTITION_ADVANCED is not set CONFIG_MSDOS_PARTITION=y -# CONFIG_NLS is not set +CONFIG_NLS=y +CONFIG_NLS_DEFAULT="iso8859-1" +# CONFIG_NLS_CODEPAGE_437 is not set +# CONFIG_NLS_CODEPAGE_737 is not set +# CONFIG_NLS_CODEPAGE_775 is not set +# CONFIG_NLS_CODEPAGE_850 is not set +# CONFIG_NLS_CODEPAGE_852 is not set +# CONFIG_NLS_CODEPAGE_855 is not set +# CONFIG_NLS_CODEPAGE_857 is not set +# CONFIG_NLS_CODEPAGE_860 is not set +# CONFIG_NLS_CODEPAGE_861 is not set +# CONFIG_NLS_CODEPAGE_862 is not set +# CONFIG_NLS_CODEPAGE_863 is not set +# CONFIG_NLS_CODEPAGE_864 is not set +# CONFIG_NLS_CODEPAGE_865 is not set +# CONFIG_NLS_CODEPAGE_866 is not set +# CONFIG_NLS_CODEPAGE_869 is not set +# CONFIG_NLS_CODEPAGE_936 is not set +# CONFIG_NLS_CODEPAGE_950 is not set +# CONFIG_NLS_CODEPAGE_932 is not set +# CONFIG_NLS_CODEPAGE_949 is not set +# CONFIG_NLS_CODEPAGE_874 is not set +# CONFIG_NLS_ISO8859_8 is not set +# CONFIG_NLS_CODEPAGE_1250 is not set +# CONFIG_NLS_CODEPAGE_1251 is not set +# CONFIG_NLS_ASCII is not set +# CONFIG_NLS_ISO8859_1 is not set +# CONFIG_NLS_ISO8859_2 is not set +# CONFIG_NLS_ISO8859_3 is not set +# CONFIG_NLS_ISO8859_4 is not set +# CONFIG_NLS_ISO8859_5 is not set +# CONFIG_NLS_ISO8859_6 is not set +# CONFIG_NLS_ISO8859_7 is not set +# CONFIG_NLS_ISO8859_9 is not set +# CONFIG_NLS_ISO8859_13 is not set +# CONFIG_NLS_ISO8859_14 is not set +# CONFIG_NLS_ISO8859_15 is not set +# CONFIG_NLS_KOI8_R is not set +# CONFIG_NLS_KOI8_U is not set +# CONFIG_NLS_UTF8 is not set # # Kernel hacking @@ -733,6 +1267,7 @@ CONFIG_DEBUG_MEMORY_INIT=y CONFIG_HAVE_FUNCTION_TRACER=y CONFIG_TRACING_SUPPORT=y # CONFIG_FTRACE is not set +# CONFIG_ATOMIC64_SELFTEST is not set # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y # CONFIG_KGDB is not set @@ -760,12 +1295,13 @@ CONFIG_DEFAULT_SECURITY="" # # Library routines # +CONFIG_BITREVERSE=y CONFIG_GENERIC_FIND_LAST_BIT=y # CONFIG_CRC_CCITT is not set # CONFIG_CRC16 is not set # CONFIG_CRC_T10DIF is not set # CONFIG_CRC_ITU_T is not set -# CONFIG_CRC32 is not set +CONFIG_CRC32=y # CONFIG_CRC7 is not set # CONFIG_LIBCRC32C is not set CONFIG_ZLIB_INFLATE=y diff --git a/arch/arm/configs/g3evm_defconfig b/arch/arm/configs/g3evm_defconfig index 3c19031961db..549e46064a29 100644 --- a/arch/arm/configs/g3evm_defconfig +++ b/arch/arm/configs/g3evm_defconfig @@ -1,12 +1,15 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.33-rc7 -# Mon Feb 8 12:20:01 2010 +# Linux kernel version: 2.6.34 +# Thu May 20 12:21:19 2010 # CONFIG_ARM=y CONFIG_SYS_SUPPORTS_APM_EMULATION=y +CONFIG_GENERIC_GPIO=y CONFIG_GENERIC_TIME=y +# CONFIG_ARCH_USES_GETTIMEOFFSET is not set CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_HAVE_PROC_CPU=y CONFIG_GENERIC_HARDIRQS=y CONFIG_STACKTRACE_SUPPORT=y CONFIG_HAVE_LATENCYTOP_SUPPORT=y @@ -17,6 +20,7 @@ CONFIG_GENERIC_IRQ_PROBE=y CONFIG_RWSEM_GENERIC_SPINLOCK=y CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_NEED_DMA_MAP_STATE=y CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y CONFIG_VECTORS_BASE=0xffff0000 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" @@ -31,6 +35,7 @@ CONFIG_INIT_ENV_ARG_LIMIT=32 CONFIG_LOCALVERSION="" CONFIG_LOCALVERSION_AUTO=y CONFIG_HAVE_KERNEL_GZIP=y +CONFIG_HAVE_KERNEL_LZMA=y CONFIG_HAVE_KERNEL_LZO=y CONFIG_KERNEL_GZIP=y # CONFIG_KERNEL_BZIP2 is not set @@ -54,11 +59,6 @@ CONFIG_RCU_FANOUT=32 CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=16 -CONFIG_GROUP_SCHED=y -CONFIG_FAIR_GROUP_SCHED=y -# CONFIG_RT_GROUP_SCHED is not set -CONFIG_USER_SCHED=y -# CONFIG_CGROUP_SCHED is not set # CONFIG_CGROUPS is not set # CONFIG_SYSFS_DEPRECATED_V2 is not set # CONFIG_RELAY is not set @@ -94,10 +94,14 @@ CONFIG_TIMERFD=y CONFIG_EVENTFD=y CONFIG_SHMEM=y CONFIG_AIO=y +CONFIG_HAVE_PERF_EVENTS=y +CONFIG_PERF_USE_VMALLOC=y # # Kernel Performance Events And Counters # +# CONFIG_PERF_EVENTS is not set +# CONFIG_PERF_COUNTERS is not set CONFIG_VM_EVENT_COUNTERS=y CONFIG_COMPAT_BRK=y CONFIG_SLAB=y @@ -172,8 +176,11 @@ CONFIG_MMU=y # CONFIG_ARCH_INTEGRATOR is not set # CONFIG_ARCH_REALVIEW is not set # CONFIG_ARCH_VERSATILE is not set +# CONFIG_ARCH_VEXPRESS is not set # CONFIG_ARCH_AT91 is not set +# CONFIG_ARCH_BCMRING is not set # CONFIG_ARCH_CLPS711X is not set +# CONFIG_ARCH_CNS3XXX is not set # CONFIG_ARCH_GEMINI is not set # CONFIG_ARCH_EBSA110 is not set # CONFIG_ARCH_EP93XX is not set @@ -182,7 +189,6 @@ CONFIG_MMU=y # CONFIG_ARCH_STMP3XXX is not set # CONFIG_ARCH_NETX is not set # CONFIG_ARCH_H720X is not set -# CONFIG_ARCH_NOMADIK is not set # CONFIG_ARCH_IOP13XX is not set # CONFIG_ARCH_IOP32X is not set # CONFIG_ARCH_IOP33X is not set @@ -199,6 +205,7 @@ CONFIG_MMU=y # CONFIG_ARCH_KS8695 is not set # CONFIG_ARCH_NS9XXX is not set # CONFIG_ARCH_W90X900 is not set +# CONFIG_ARCH_NUC93X is not set # CONFIG_ARCH_PNX4008 is not set # CONFIG_ARCH_PXA is not set # CONFIG_ARCH_MSM is not set @@ -207,14 +214,18 @@ CONFIG_ARCH_SHMOBILE=y # CONFIG_ARCH_SA1100 is not set # CONFIG_ARCH_S3C2410 is not set # CONFIG_ARCH_S3C64XX is not set +# CONFIG_ARCH_S5P6440 is not set +# CONFIG_ARCH_S5P6442 is not set # CONFIG_ARCH_S5PC1XX is not set +# CONFIG_ARCH_S5PV210 is not set # CONFIG_ARCH_SHARK is not set # CONFIG_ARCH_LH7A40X is not set # CONFIG_ARCH_U300 is not set +# CONFIG_ARCH_U8500 is not set +# CONFIG_ARCH_NOMADIK is not set # CONFIG_ARCH_DAVINCI is not set # CONFIG_ARCH_OMAP is not set -# CONFIG_ARCH_BCMRING is not set -# CONFIG_ARCH_U8500 is not set +# CONFIG_PLAT_SPEAR is not set # # SH-Mobile System Type @@ -242,6 +253,7 @@ CONFIG_MEMORY_SIZE=0x08000000 # Timer and clock configuration # CONFIG_SH_TIMER_CMT=y +CONFIG_SH_TIMER_TMU=y # # Processor Type @@ -267,6 +279,8 @@ CONFIG_ARM_THUMB=y # CONFIG_CPU_DCACHE_DISABLE is not set # CONFIG_CPU_BPREDICT_DISABLE is not set CONFIG_ARM_L1_CACHE_SHIFT=5 +CONFIG_ARM_DMA_MEM_BUFFERABLE=y +CONFIG_CPU_HAS_PMU=y # CONFIG_ARM_ERRATA_411920 is not set CONFIG_COMMON_CLKDEV=y @@ -317,7 +331,7 @@ CONFIG_ALIGNMENT_TRAP=y # CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 -CONFIG_CMDLINE="console=ttySC1,115200 earlyprintk=sh-sci.1,115200" +CONFIG_CMDLINE="console=ttySC1,115200" # CONFIG_XIP_KERNEL is not set CONFIG_KEXEC=y CONFIG_ATAGS_PROC=y @@ -447,10 +461,12 @@ CONFIG_MTD_NAND=y # CONFIG_MTD_NAND_VERIFY_WRITE is not set # CONFIG_MTD_NAND_ECC_SMC is not set # CONFIG_MTD_NAND_MUSEUM_IDS is not set +# CONFIG_MTD_NAND_GPIO is not set CONFIG_MTD_NAND_IDS=y # CONFIG_MTD_NAND_DISKONCHIP is not set # CONFIG_MTD_NAND_NANDSIM is not set # CONFIG_MTD_NAND_PLATFORM is not set +CONFIG_MTD_NAND_SH_FLCTL=y # CONFIG_MTD_ONENAND is not set # @@ -471,6 +487,7 @@ CONFIG_HAVE_IDE=y # # SCSI device support # +CONFIG_SCSI_MOD=y # CONFIG_RAID_ATTRS is not set # CONFIG_SCSI is not set # CONFIG_SCSI_DMA is not set @@ -538,6 +555,7 @@ CONFIG_SERIAL_SH_SCI_NR_UARTS=8 CONFIG_SERIAL_SH_SCI_CONSOLE=y CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y +# CONFIG_SERIAL_TIMBERDALE is not set CONFIG_UNIX98_PTYS=y # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set # CONFIG_LEGACY_PTYS is not set @@ -553,6 +571,31 @@ CONFIG_UNIX98_PTYS=y # PPS support # # CONFIG_PPS is not set +CONFIG_ARCH_REQUIRE_GPIOLIB=y +CONFIG_GPIOLIB=y +# CONFIG_DEBUG_GPIO is not set +# CONFIG_GPIO_SYSFS is not set + +# +# Memory mapped GPIO expanders: +# +# CONFIG_GPIO_IT8761E is not set + +# +# I2C GPIO expanders: +# + +# +# PCI GPIO expanders: +# + +# +# SPI GPIO expanders: +# + +# +# AC97 GPIO expanders: +# # CONFIG_W1 is not set # CONFIG_POWER_SUPPLY is not set # CONFIG_HWMON is not set @@ -568,12 +611,16 @@ CONFIG_SSB_POSSIBLE=y # # Multifunction device drivers # -# CONFIG_MFD_CORE is not set +CONFIG_MFD_CORE=y # CONFIG_MFD_SM501 is not set +# CONFIG_MFD_ASIC3 is not set +CONFIG_MFD_SH_MOBILE_SDHI=y +# CONFIG_HTC_EGPIO is not set # CONFIG_HTC_PASIC3 is not set # CONFIG_MFD_TMIO is not set # CONFIG_MFD_T7L66XB is not set # CONFIG_MFD_TC6387XB is not set +# CONFIG_MFD_TC6393XB is not set # CONFIG_REGULATOR is not set # CONFIG_MEDIA_SUPPORT is not set @@ -728,6 +775,7 @@ CONFIG_DEBUG_MEMORY_INIT=y CONFIG_HAVE_FUNCTION_TRACER=y CONFIG_TRACING_SUPPORT=y # CONFIG_FTRACE is not set +# CONFIG_ATOMIC64_SELFTEST is not set # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y # CONFIG_KGDB is not set @@ -772,3 +820,4 @@ CONFIG_DECOMPRESS_LZO=y CONFIG_HAS_IOMEM=y CONFIG_HAS_IOPORT=y CONFIG_HAS_DMA=y +CONFIG_GENERIC_ATOMIC64=y diff --git a/arch/arm/configs/g4evm_defconfig b/arch/arm/configs/g4evm_defconfig index 8ee79a537134..3841bc609d41 100644 --- a/arch/arm/configs/g4evm_defconfig +++ b/arch/arm/configs/g4evm_defconfig @@ -1,12 +1,15 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.33-rc7 -# Mon Feb 8 12:21:35 2010 +# Linux kernel version: 2.6.34 +# Thu May 20 12:37:38 2010 # CONFIG_ARM=y CONFIG_SYS_SUPPORTS_APM_EMULATION=y +CONFIG_GENERIC_GPIO=y CONFIG_GENERIC_TIME=y +# CONFIG_ARCH_USES_GETTIMEOFFSET is not set CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_HAVE_PROC_CPU=y CONFIG_GENERIC_HARDIRQS=y CONFIG_STACKTRACE_SUPPORT=y CONFIG_HAVE_LATENCYTOP_SUPPORT=y @@ -17,6 +20,7 @@ CONFIG_GENERIC_IRQ_PROBE=y CONFIG_RWSEM_GENERIC_SPINLOCK=y CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_NEED_DMA_MAP_STATE=y CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y CONFIG_VECTORS_BASE=0xffff0000 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" @@ -31,6 +35,7 @@ CONFIG_INIT_ENV_ARG_LIMIT=32 CONFIG_LOCALVERSION="" CONFIG_LOCALVERSION_AUTO=y CONFIG_HAVE_KERNEL_GZIP=y +CONFIG_HAVE_KERNEL_LZMA=y CONFIG_HAVE_KERNEL_LZO=y CONFIG_KERNEL_GZIP=y # CONFIG_KERNEL_BZIP2 is not set @@ -54,11 +59,6 @@ CONFIG_RCU_FANOUT=32 CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=16 -CONFIG_GROUP_SCHED=y -CONFIG_FAIR_GROUP_SCHED=y -# CONFIG_RT_GROUP_SCHED is not set -CONFIG_USER_SCHED=y -# CONFIG_CGROUP_SCHED is not set # CONFIG_CGROUPS is not set # CONFIG_SYSFS_DEPRECATED_V2 is not set # CONFIG_RELAY is not set @@ -94,10 +94,14 @@ CONFIG_TIMERFD=y CONFIG_EVENTFD=y CONFIG_SHMEM=y CONFIG_AIO=y +CONFIG_HAVE_PERF_EVENTS=y +CONFIG_PERF_USE_VMALLOC=y # # Kernel Performance Events And Counters # +# CONFIG_PERF_EVENTS is not set +# CONFIG_PERF_COUNTERS is not set CONFIG_VM_EVENT_COUNTERS=y CONFIG_COMPAT_BRK=y CONFIG_SLAB=y @@ -172,8 +176,11 @@ CONFIG_MMU=y # CONFIG_ARCH_INTEGRATOR is not set # CONFIG_ARCH_REALVIEW is not set # CONFIG_ARCH_VERSATILE is not set +# CONFIG_ARCH_VEXPRESS is not set # CONFIG_ARCH_AT91 is not set +# CONFIG_ARCH_BCMRING is not set # CONFIG_ARCH_CLPS711X is not set +# CONFIG_ARCH_CNS3XXX is not set # CONFIG_ARCH_GEMINI is not set # CONFIG_ARCH_EBSA110 is not set # CONFIG_ARCH_EP93XX is not set @@ -182,7 +189,6 @@ CONFIG_MMU=y # CONFIG_ARCH_STMP3XXX is not set # CONFIG_ARCH_NETX is not set # CONFIG_ARCH_H720X is not set -# CONFIG_ARCH_NOMADIK is not set # CONFIG_ARCH_IOP13XX is not set # CONFIG_ARCH_IOP32X is not set # CONFIG_ARCH_IOP33X is not set @@ -199,6 +205,7 @@ CONFIG_MMU=y # CONFIG_ARCH_KS8695 is not set # CONFIG_ARCH_NS9XXX is not set # CONFIG_ARCH_W90X900 is not set +# CONFIG_ARCH_NUC93X is not set # CONFIG_ARCH_PNX4008 is not set # CONFIG_ARCH_PXA is not set # CONFIG_ARCH_MSM is not set @@ -207,14 +214,18 @@ CONFIG_ARCH_SHMOBILE=y # CONFIG_ARCH_SA1100 is not set # CONFIG_ARCH_S3C2410 is not set # CONFIG_ARCH_S3C64XX is not set +# CONFIG_ARCH_S5P6440 is not set +# CONFIG_ARCH_S5P6442 is not set # CONFIG_ARCH_S5PC1XX is not set +# CONFIG_ARCH_S5PV210 is not set # CONFIG_ARCH_SHARK is not set # CONFIG_ARCH_LH7A40X is not set # CONFIG_ARCH_U300 is not set +# CONFIG_ARCH_U8500 is not set +# CONFIG_ARCH_NOMADIK is not set # CONFIG_ARCH_DAVINCI is not set # CONFIG_ARCH_OMAP is not set -# CONFIG_ARCH_BCMRING is not set -# CONFIG_ARCH_U8500 is not set +# CONFIG_PLAT_SPEAR is not set # # SH-Mobile System Type @@ -242,6 +253,7 @@ CONFIG_MEMORY_SIZE=0x08000000 # Timer and clock configuration # CONFIG_SH_TIMER_CMT=y +CONFIG_SH_TIMER_TMU=y # # Processor Type @@ -269,6 +281,8 @@ CONFIG_ARM_THUMB=y # CONFIG_CPU_BPREDICT_DISABLE is not set CONFIG_HAS_TLS_REG=y CONFIG_ARM_L1_CACHE_SHIFT=5 +CONFIG_ARM_DMA_MEM_BUFFERABLE=y +CONFIG_CPU_HAS_PMU=y # CONFIG_ARM_ERRATA_430973 is not set # CONFIG_ARM_ERRATA_458693 is not set # CONFIG_ARM_ERRATA_460075 is not set @@ -322,7 +336,7 @@ CONFIG_ALIGNMENT_TRAP=y # CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 -CONFIG_CMDLINE="console=ttySC4,115200 earlyprintk=sh-sci.4,115200" +CONFIG_CMDLINE="console=ttySC4,115200" # CONFIG_XIP_KERNEL is not set CONFIG_KEXEC=y CONFIG_ATAGS_PROC=y @@ -452,10 +466,12 @@ CONFIG_MTD_NAND=y # CONFIG_MTD_NAND_VERIFY_WRITE is not set # CONFIG_MTD_NAND_ECC_SMC is not set # CONFIG_MTD_NAND_MUSEUM_IDS is not set +# CONFIG_MTD_NAND_GPIO is not set CONFIG_MTD_NAND_IDS=y # CONFIG_MTD_NAND_DISKONCHIP is not set # CONFIG_MTD_NAND_NANDSIM is not set # CONFIG_MTD_NAND_PLATFORM is not set +CONFIG_MTD_NAND_SH_FLCTL=y # CONFIG_MTD_ONENAND is not set # @@ -476,6 +492,7 @@ CONFIG_HAVE_IDE=y # # SCSI device support # +CONFIG_SCSI_MOD=y # CONFIG_RAID_ATTRS is not set # CONFIG_SCSI is not set # CONFIG_SCSI_DMA is not set @@ -543,6 +560,7 @@ CONFIG_SERIAL_SH_SCI_NR_UARTS=8 CONFIG_SERIAL_SH_SCI_CONSOLE=y CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y +# CONFIG_SERIAL_TIMBERDALE is not set CONFIG_UNIX98_PTYS=y # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set # CONFIG_LEGACY_PTYS is not set @@ -558,6 +576,31 @@ CONFIG_UNIX98_PTYS=y # PPS support # # CONFIG_PPS is not set +CONFIG_ARCH_REQUIRE_GPIOLIB=y +CONFIG_GPIOLIB=y +# CONFIG_DEBUG_GPIO is not set +# CONFIG_GPIO_SYSFS is not set + +# +# Memory mapped GPIO expanders: +# +# CONFIG_GPIO_IT8761E is not set + +# +# I2C GPIO expanders: +# + +# +# PCI GPIO expanders: +# + +# +# SPI GPIO expanders: +# + +# +# AC97 GPIO expanders: +# # CONFIG_W1 is not set # CONFIG_POWER_SUPPLY is not set # CONFIG_HWMON is not set @@ -573,12 +616,16 @@ CONFIG_SSB_POSSIBLE=y # # Multifunction device drivers # -# CONFIG_MFD_CORE is not set +CONFIG_MFD_CORE=y # CONFIG_MFD_SM501 is not set +# CONFIG_MFD_ASIC3 is not set +CONFIG_MFD_SH_MOBILE_SDHI=y +# CONFIG_HTC_EGPIO is not set # CONFIG_HTC_PASIC3 is not set # CONFIG_MFD_TMIO is not set # CONFIG_MFD_T7L66XB is not set # CONFIG_MFD_TC6387XB is not set +# CONFIG_MFD_TC6393XB is not set # CONFIG_REGULATOR is not set # CONFIG_MEDIA_SUPPORT is not set @@ -733,6 +780,7 @@ CONFIG_DEBUG_MEMORY_INIT=y CONFIG_HAVE_FUNCTION_TRACER=y CONFIG_TRACING_SUPPORT=y # CONFIG_FTRACE is not set +# CONFIG_ATOMIC64_SELFTEST is not set # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y # CONFIG_KGDB is not set diff --git a/arch/arm/configs/mx25_defconfig b/arch/arm/configs/mx25_defconfig new file mode 100644 index 000000000000..17d40ee5519b --- /dev/null +++ b/arch/arm/configs/mx25_defconfig @@ -0,0 +1,1756 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.34 +# Mon May 31 10:57:45 2010 +# +CONFIG_ARM=y +CONFIG_HAVE_PWM=y +CONFIG_SYS_SUPPORTS_APM_EMULATION=y +CONFIG_GENERIC_GPIO=y +CONFIG_GENERIC_TIME=y +# CONFIG_ARCH_USES_GETTIMEOFFSET is not set +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_HAVE_PROC_CPU=y +CONFIG_GENERIC_HARDIRQS=y +CONFIG_STACKTRACE_SUPPORT=y +CONFIG_HAVE_LATENCYTOP_SUPPORT=y +CONFIG_LOCKDEP_SUPPORT=y +CONFIG_TRACE_IRQFLAGS_SUPPORT=y +CONFIG_HARDIRQS_SW_RESEND=y +CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_RWSEM_GENERIC_SPINLOCK=y +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_NEED_DMA_MAP_STATE=y +CONFIG_FIQ=y +CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y +CONFIG_VECTORS_BASE=0xffff0000 +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" +CONFIG_CONSTRUCTORS=y + +# +# General setup +# +CONFIG_EXPERIMENTAL=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_LOCK_KERNEL=y +CONFIG_INIT_ENV_ARG_LIMIT=32 +CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y +CONFIG_HAVE_KERNEL_GZIP=y +CONFIG_HAVE_KERNEL_LZMA=y +CONFIG_HAVE_KERNEL_LZO=y +CONFIG_KERNEL_GZIP=y +# CONFIG_KERNEL_BZIP2 is not set +# CONFIG_KERNEL_LZMA is not set +# CONFIG_KERNEL_LZO is not set +CONFIG_SWAP=y +CONFIG_SYSVIPC=y +CONFIG_SYSVIPC_SYSCTL=y +# CONFIG_POSIX_MQUEUE is not set +# CONFIG_BSD_PROCESS_ACCT is not set +# CONFIG_TASKSTATS is not set +# CONFIG_AUDIT is not set + +# +# RCU Subsystem +# +CONFIG_TREE_RCU=y +# CONFIG_TREE_PREEMPT_RCU is not set +# CONFIG_TINY_RCU is not set +# CONFIG_RCU_TRACE is not set +CONFIG_RCU_FANOUT=32 +# CONFIG_RCU_FANOUT_EXACT is not set +# CONFIG_TREE_RCU_TRACE is not set +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_LOG_BUF_SHIFT=14 +# CONFIG_CGROUPS is not set +CONFIG_SYSFS_DEPRECATED=y +CONFIG_SYSFS_DEPRECATED_V2=y +# CONFIG_RELAY is not set +# CONFIG_NAMESPACES is not set +# CONFIG_BLK_DEV_INITRD is not set +CONFIG_CC_OPTIMIZE_FOR_SIZE=y +CONFIG_SYSCTL=y +CONFIG_ANON_INODES=y +CONFIG_EMBEDDED=y +CONFIG_UID16=y +CONFIG_SYSCTL_SYSCALL=y +CONFIG_KALLSYMS=y +# CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_ELF_CORE=y +CONFIG_BASE_FULL=y +CONFIG_FUTEX=y +CONFIG_EPOLL=y +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y +CONFIG_SHMEM=y +CONFIG_AIO=y +CONFIG_HAVE_PERF_EVENTS=y +CONFIG_PERF_USE_VMALLOC=y + +# +# Kernel Performance Events And Counters +# +# CONFIG_PERF_EVENTS is not set +# CONFIG_PERF_COUNTERS is not set +CONFIG_VM_EVENT_COUNTERS=y +CONFIG_COMPAT_BRK=y +CONFIG_SLAB=y +# CONFIG_SLUB is not set +# CONFIG_SLOB is not set +# CONFIG_PROFILING is not set +CONFIG_HAVE_OPROFILE=y +# CONFIG_KPROBES is not set +CONFIG_HAVE_KPROBES=y +CONFIG_HAVE_KRETPROBES=y +CONFIG_HAVE_CLK=y + +# +# GCOV-based kernel profiling +# +# CONFIG_SLOW_WORK is not set +CONFIG_HAVE_GENERIC_DMA_COHERENT=y +CONFIG_SLABINFO=y +CONFIG_RT_MUTEXES=y +CONFIG_BASE_SMALL=0 +CONFIG_MODULES=y +# CONFIG_MODULE_FORCE_LOAD is not set +CONFIG_MODULE_UNLOAD=y +CONFIG_MODULE_FORCE_UNLOAD=y +CONFIG_MODVERSIONS=y +# CONFIG_MODULE_SRCVERSION_ALL is not set +CONFIG_BLOCK=y +CONFIG_LBDAF=y +# CONFIG_BLK_DEV_BSG is not set +# CONFIG_BLK_DEV_INTEGRITY is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +# CONFIG_DEFAULT_DEADLINE is not set +CONFIG_DEFAULT_CFQ=y +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="cfq" +# CONFIG_INLINE_SPIN_TRYLOCK is not set +# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set +# CONFIG_INLINE_SPIN_LOCK is not set +# CONFIG_INLINE_SPIN_LOCK_BH is not set +# CONFIG_INLINE_SPIN_LOCK_IRQ is not set +# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set +# CONFIG_INLINE_SPIN_UNLOCK is not set +# CONFIG_INLINE_SPIN_UNLOCK_BH is not set +# CONFIG_INLINE_SPIN_UNLOCK_IRQ is not set +# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set +# CONFIG_INLINE_READ_TRYLOCK is not set +# CONFIG_INLINE_READ_LOCK is not set +# CONFIG_INLINE_READ_LOCK_BH is not set +# CONFIG_INLINE_READ_LOCK_IRQ is not set +# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set +# CONFIG_INLINE_READ_UNLOCK is not set +# CONFIG_INLINE_READ_UNLOCK_BH is not set +# CONFIG_INLINE_READ_UNLOCK_IRQ is not set +# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set +# CONFIG_INLINE_WRITE_TRYLOCK is not set +# CONFIG_INLINE_WRITE_LOCK is not set +# CONFIG_INLINE_WRITE_LOCK_BH is not set +# CONFIG_INLINE_WRITE_LOCK_IRQ is not set +# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set +# CONFIG_INLINE_WRITE_UNLOCK is not set +# CONFIG_INLINE_WRITE_UNLOCK_BH is not set +# CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set +# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set +# CONFIG_MUTEX_SPIN_ON_OWNER is not set +CONFIG_FREEZER=y + +# +# System Type +# +CONFIG_MMU=y +# CONFIG_ARCH_AAEC2000 is not set +# CONFIG_ARCH_INTEGRATOR is not set +# CONFIG_ARCH_REALVIEW is not set +# CONFIG_ARCH_VERSATILE is not set +# CONFIG_ARCH_VEXPRESS is not set +# CONFIG_ARCH_AT91 is not set +# CONFIG_ARCH_BCMRING is not set +# CONFIG_ARCH_CLPS711X is not set +# CONFIG_ARCH_CNS3XXX is not set +# CONFIG_ARCH_GEMINI is not set +# CONFIG_ARCH_EBSA110 is not set +# CONFIG_ARCH_EP93XX is not set +# CONFIG_ARCH_FOOTBRIDGE is not set +CONFIG_ARCH_MXC=y +# CONFIG_ARCH_STMP3XXX is not set +# CONFIG_ARCH_NETX is not set +# CONFIG_ARCH_H720X is not set +# CONFIG_ARCH_IOP13XX is not set +# CONFIG_ARCH_IOP32X is not set +# CONFIG_ARCH_IOP33X is not set +# CONFIG_ARCH_IXP23XX is not set +# CONFIG_ARCH_IXP2000 is not set +# CONFIG_ARCH_IXP4XX is not set +# CONFIG_ARCH_L7200 is not set +# CONFIG_ARCH_DOVE is not set +# CONFIG_ARCH_KIRKWOOD is not set +# CONFIG_ARCH_LOKI is not set +# CONFIG_ARCH_MV78XX0 is not set +# CONFIG_ARCH_ORION5X is not set +# CONFIG_ARCH_MMP is not set +# CONFIG_ARCH_KS8695 is not set +# CONFIG_ARCH_NS9XXX is not set +# CONFIG_ARCH_W90X900 is not set +# CONFIG_ARCH_NUC93X is not set +# CONFIG_ARCH_PNX4008 is not set +# CONFIG_ARCH_PXA is not set +# CONFIG_ARCH_MSM is not set +# CONFIG_ARCH_SHMOBILE is not set +# CONFIG_ARCH_RPC is not set +# CONFIG_ARCH_SA1100 is not set +# CONFIG_ARCH_S3C2410 is not set +# CONFIG_ARCH_S3C64XX is not set +# CONFIG_ARCH_S5P6440 is not set +# CONFIG_ARCH_S5P6442 is not set +# CONFIG_ARCH_S5PC100 is not set +# CONFIG_ARCH_S5PV210 is not set +# CONFIG_ARCH_SHARK is not set +# CONFIG_ARCH_LH7A40X is not set +# CONFIG_ARCH_U300 is not set +# CONFIG_ARCH_U8500 is not set +# CONFIG_ARCH_NOMADIK is not set +# CONFIG_ARCH_DAVINCI is not set +# CONFIG_ARCH_OMAP is not set +# CONFIG_PLAT_SPEAR is not set + +# +# Freescale MXC Implementations +# +# CONFIG_ARCH_MX1 is not set +# CONFIG_ARCH_MX2 is not set +CONFIG_ARCH_MX25=y +# CONFIG_ARCH_MX3 is not set +# CONFIG_ARCH_MXC91231 is not set +# CONFIG_ARCH_MX5 is not set + +# +# MX25 platforms: +# +CONFIG_MACH_MX25_3DS=y +CONFIG_MXC_IRQ_PRIOR=y +CONFIG_MXC_PWM=y +CONFIG_ARCH_MXC_IOMUX_V3=y + +# +# Processor Type +# +CONFIG_CPU_ARM926T=y +CONFIG_CPU_32v5=y +CONFIG_CPU_ABRT_EV5TJ=y +CONFIG_CPU_PABRT_LEGACY=y +CONFIG_CPU_CACHE_VIVT=y +CONFIG_CPU_COPY_V4WB=y +CONFIG_CPU_TLB_V4WBI=y +CONFIG_CPU_CP15=y +CONFIG_CPU_CP15_MMU=y + +# +# Processor Features +# +CONFIG_ARM_THUMB=y +# CONFIG_CPU_ICACHE_DISABLE is not set +# CONFIG_CPU_DCACHE_DISABLE is not set +# CONFIG_CPU_DCACHE_WRITETHROUGH is not set +# CONFIG_CPU_CACHE_ROUND_ROBIN is not set +CONFIG_ARM_L1_CACHE_SHIFT=5 +CONFIG_COMMON_CLKDEV=y + +# +# Bus support +# +# CONFIG_PCI_SYSCALL is not set +# CONFIG_ARCH_SUPPORTS_MSI is not set +# CONFIG_PCCARD is not set + +# +# Kernel Features +# +CONFIG_TICK_ONESHOT=y +CONFIG_NO_HZ=y +CONFIG_HIGH_RES_TIMERS=y +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y +CONFIG_VMSPLIT_3G=y +# CONFIG_VMSPLIT_2G is not set +# CONFIG_VMSPLIT_1G is not set +CONFIG_PAGE_OFFSET=0xC0000000 +# CONFIG_PREEMPT_NONE is not set +# CONFIG_PREEMPT_VOLUNTARY is not set +CONFIG_PREEMPT=y +CONFIG_HZ=100 +CONFIG_AEABI=y +CONFIG_OABI_COMPAT=y +# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set +# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set +# CONFIG_HIGHMEM is not set +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_SPLIT_PTLOCK_CPUS=999999 +# CONFIG_PHYS_ADDR_T_64BIT is not set +CONFIG_ZONE_DMA_FLAG=0 +CONFIG_VIRT_TO_BUS=y +# CONFIG_KSM is not set +CONFIG_DEFAULT_MMAP_MIN_ADDR=4096 +CONFIG_ALIGNMENT_TRAP=y +# CONFIG_UACCESS_WITH_MEMCPY is not set + +# +# Boot options +# +CONFIG_ZBOOT_ROM_TEXT=0x0 +CONFIG_ZBOOT_ROM_BSS=0x0 +CONFIG_CMDLINE="noinitrd console=ttymxc0,115200 root=/dev/mtdblock2 rw ip=off" +# CONFIG_CMDLINE_FORCE is not set +# CONFIG_XIP_KERNEL is not set +# CONFIG_KEXEC is not set + +# +# CPU Power Management +# +# CONFIG_CPU_IDLE is not set + +# +# Floating point emulation +# + +# +# At least one emulation must be selected +# +# CONFIG_FPE_NWFPE is not set +# CONFIG_FPE_FASTFPE is not set +CONFIG_VFP=y + +# +# Userspace binary formats +# +CONFIG_BINFMT_ELF=y +# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set +CONFIG_HAVE_AOUT=y +# CONFIG_BINFMT_AOUT is not set +# CONFIG_BINFMT_MISC is not set + +# +# Power management options +# +CONFIG_PM=y +CONFIG_PM_DEBUG=y +# CONFIG_PM_ADVANCED_DEBUG is not set +# CONFIG_PM_VERBOSE is not set +CONFIG_CAN_PM_TRACE=y +CONFIG_PM_SLEEP=y +CONFIG_SUSPEND=y +# CONFIG_PM_TEST_SUSPEND is not set +CONFIG_SUSPEND_FREEZER=y +# CONFIG_APM_EMULATION is not set +# CONFIG_PM_RUNTIME is not set +CONFIG_PM_OPS=y +CONFIG_ARCH_SUSPEND_POSSIBLE=y +CONFIG_NET=y + +# +# Networking options +# +CONFIG_PACKET=y +CONFIG_UNIX=y +# CONFIG_NET_KEY is not set +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +# CONFIG_IP_PNP_BOOTP is not set +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_ARPD is not set +# CONFIG_SYN_COOKIES is not set +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_TRANSPORT is not set +# CONFIG_INET_XFRM_MODE_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_BEET is not set +# CONFIG_INET_LRO is not set +# CONFIG_INET_DIAG is not set +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set +# CONFIG_IP_DCCP is not set +# CONFIG_IP_SCTP is not set +# CONFIG_RDS is not set +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_L2TP is not set +# CONFIG_BRIDGE is not set +# CONFIG_NET_DSA is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set +# CONFIG_PHONET is not set +# CONFIG_IEEE802154 is not set +# CONFIG_NET_SCHED is not set +# CONFIG_DCB is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_CAN is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_AF_RXRPC is not set +CONFIG_WIRELESS=y +# CONFIG_CFG80211 is not set +# CONFIG_LIB80211 is not set + +# +# CFG80211 needs to be enabled for MAC80211 +# + +# +# Some wireless drivers require a rate control algorithm +# +# CONFIG_WIMAX is not set +# CONFIG_RFKILL is not set +# CONFIG_NET_9P is not set +# CONFIG_CAIF is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +# CONFIG_DEVTMPFS is not set +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +CONFIG_FW_LOADER=m +CONFIG_FIRMWARE_IN_KERNEL=y +CONFIG_EXTRA_FIRMWARE="" +# CONFIG_SYS_HYPERVISOR is not set +# CONFIG_CONNECTOR is not set +CONFIG_MTD=y +# CONFIG_MTD_DEBUG is not set +# CONFIG_MTD_TESTS is not set +# CONFIG_MTD_CONCAT is not set +CONFIG_MTD_PARTITIONS=y +# CONFIG_MTD_REDBOOT_PARTS is not set +CONFIG_MTD_CMDLINE_PARTS=y +# CONFIG_MTD_AFS_PARTS is not set +# CONFIG_MTD_AR7_PARTS is not set + +# +# User Modules And Translation Layers +# +CONFIG_MTD_CHAR=y +CONFIG_MTD_BLKDEVS=y +CONFIG_MTD_BLOCK=y +# CONFIG_FTL is not set +# CONFIG_NFTL is not set +# CONFIG_INFTL is not set +# CONFIG_RFD_FTL is not set +# CONFIG_SSFDC is not set +# CONFIG_SM_FTL is not set +# CONFIG_MTD_OOPS is not set + +# +# RAM/ROM/Flash chip drivers +# +CONFIG_MTD_CFI=y +# CONFIG_MTD_JEDECPROBE is not set +CONFIG_MTD_GEN_PROBE=y +# CONFIG_MTD_CFI_ADV_OPTIONS is not set +CONFIG_MTD_MAP_BANK_WIDTH_1=y +CONFIG_MTD_MAP_BANK_WIDTH_2=y +CONFIG_MTD_MAP_BANK_WIDTH_4=y +# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set +CONFIG_MTD_CFI_I1=y +CONFIG_MTD_CFI_I2=y +# CONFIG_MTD_CFI_I4 is not set +# CONFIG_MTD_CFI_I8 is not set +# CONFIG_MTD_CFI_INTELEXT is not set +# CONFIG_MTD_CFI_AMDSTD is not set +# CONFIG_MTD_CFI_STAA is not set +CONFIG_MTD_CFI_UTIL=y +# CONFIG_MTD_RAM is not set +# CONFIG_MTD_ROM is not set +# CONFIG_MTD_ABSENT is not set + +# +# Mapping drivers for chip access +# +# CONFIG_MTD_COMPLEX_MAPPINGS is not set +CONFIG_MTD_PHYSMAP=y +# CONFIG_MTD_PHYSMAP_COMPAT is not set +# CONFIG_MTD_ARM_INTEGRATOR is not set +# CONFIG_MTD_PLATRAM is not set + +# +# Self-contained MTD device drivers +# +# CONFIG_MTD_DATAFLASH is not set +# CONFIG_MTD_M25P80 is not set +# CONFIG_MTD_SST25L is not set +# CONFIG_MTD_SLRAM is not set +# CONFIG_MTD_PHRAM is not set +# CONFIG_MTD_MTDRAM is not set +# CONFIG_MTD_BLOCK2MTD is not set + +# +# Disk-On-Chip Device Drivers +# +# CONFIG_MTD_DOC2000 is not set +# CONFIG_MTD_DOC2001 is not set +# CONFIG_MTD_DOC2001PLUS is not set +CONFIG_MTD_NAND=y +CONFIG_MTD_NAND_ECC=y +# CONFIG_MTD_NAND_ECC_SMC is not set +# CONFIG_MTD_NAND_VERIFY_WRITE is not set +# CONFIG_MTD_SM_COMMON is not set +# CONFIG_MTD_NAND_MUSEUM_IDS is not set +CONFIG_MTD_NAND_DENALI_SCRATCH_REG_ADDR=0xFF108018 +# CONFIG_MTD_NAND_GPIO is not set +CONFIG_MTD_NAND_IDS=y +# CONFIG_MTD_NAND_DISKONCHIP is not set +# CONFIG_MTD_NAND_NANDSIM is not set +# CONFIG_MTD_NAND_PLATFORM is not set +# CONFIG_MTD_ALAUDA is not set +CONFIG_MTD_NAND_MXC=y +# CONFIG_MTD_ONENAND is not set + +# +# LPDDR flash memory drivers +# +# CONFIG_MTD_LPDDR is not set + +# +# UBI - Unsorted block images +# +CONFIG_MTD_UBI=y +CONFIG_MTD_UBI_WL_THRESHOLD=4096 +CONFIG_MTD_UBI_BEB_RESERVE=1 +# CONFIG_MTD_UBI_GLUEBI is not set + +# +# UBI debugging options +# +# CONFIG_MTD_UBI_DEBUG is not set +# CONFIG_PARPORT is not set +# CONFIG_BLK_DEV is not set +CONFIG_MISC_DEVICES=y +# CONFIG_AD525X_DPOT is not set +# CONFIG_ICS932S401 is not set +# CONFIG_ENCLOSURE_SERVICES is not set +# CONFIG_ISL29003 is not set +# CONFIG_SENSORS_TSL2550 is not set +# CONFIG_DS1682 is not set +# CONFIG_TI_DAC7512 is not set +# CONFIG_C2PORT is not set + +# +# EEPROM support +# +CONFIG_EEPROM_AT24=y +# CONFIG_EEPROM_AT25 is not set +# CONFIG_EEPROM_LEGACY is not set +# CONFIG_EEPROM_MAX6875 is not set +# CONFIG_EEPROM_93CX6 is not set +# CONFIG_IWMC3200TOP is not set +CONFIG_HAVE_IDE=y +# CONFIG_IDE is not set + +# +# SCSI device support +# +CONFIG_SCSI_MOD=y +# CONFIG_RAID_ATTRS is not set +# CONFIG_SCSI is not set +# CONFIG_SCSI_DMA is not set +# CONFIG_SCSI_NETLINK is not set +# CONFIG_ATA is not set +# CONFIG_MD is not set +CONFIG_NETDEVICES=y +# CONFIG_DUMMY is not set +# CONFIG_BONDING is not set +# CONFIG_MACVLAN is not set +# CONFIG_EQUALIZER is not set +# CONFIG_TUN is not set +# CONFIG_VETH is not set +CONFIG_PHYLIB=y + +# +# MII PHY device drivers +# +# CONFIG_MARVELL_PHY is not set +# CONFIG_DAVICOM_PHY is not set +# CONFIG_QSEMI_PHY is not set +# CONFIG_LXT_PHY is not set +# CONFIG_CICADA_PHY is not set +# CONFIG_VITESSE_PHY is not set +CONFIG_SMSC_PHY=y +# CONFIG_BROADCOM_PHY is not set +# CONFIG_ICPLUS_PHY is not set +# CONFIG_REALTEK_PHY is not set +# CONFIG_NATIONAL_PHY is not set +# CONFIG_STE10XP is not set +# CONFIG_LSI_ET1011C_PHY is not set +# CONFIG_MICREL_PHY is not set +# CONFIG_FIXED_PHY is not set +# CONFIG_MDIO_BITBANG is not set +CONFIG_NET_ETHERNET=y +CONFIG_MII=y +# CONFIG_AX88796 is not set +# CONFIG_SMC91X is not set +# CONFIG_DM9000 is not set +# CONFIG_ENC28J60 is not set +# CONFIG_ETHOC is not set +# CONFIG_SMC911X is not set +CONFIG_SMSC911X=y +CONFIG_DNET=y +# CONFIG_IBM_NEW_EMAC_ZMII is not set +# CONFIG_IBM_NEW_EMAC_RGMII is not set +# CONFIG_IBM_NEW_EMAC_TAH is not set +# CONFIG_IBM_NEW_EMAC_EMAC4 is not set +# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set +# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set +# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set +# CONFIG_B44 is not set +# CONFIG_KS8842 is not set +# CONFIG_KS8851 is not set +# CONFIG_KS8851_MLL is not set +CONFIG_FEC=y +# CONFIG_FEC2 is not set +# CONFIG_NETDEV_1000 is not set +# CONFIG_NETDEV_10000 is not set +CONFIG_WLAN=y +# CONFIG_USB_ZD1201 is not set +# CONFIG_HOSTAP is not set + +# +# Enable WiMAX (Networking options) to see the WiMAX drivers +# + +# +# USB Network Adapters +# +# CONFIG_USB_CATC is not set +# CONFIG_USB_KAWETH is not set +# CONFIG_USB_PEGASUS is not set +# CONFIG_USB_RTL8150 is not set +# CONFIG_USB_USBNET is not set +# CONFIG_USB_IPHETH is not set +# CONFIG_WAN is not set +# CONFIG_PPP is not set +# CONFIG_SLIP is not set +# CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set +# CONFIG_ISDN is not set +# CONFIG_PHONE is not set + +# +# Input device support +# +CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set +# CONFIG_INPUT_POLLDEV is not set +# CONFIG_INPUT_SPARSEKMAP is not set + +# +# Userland interfaces +# +CONFIG_INPUT_MOUSEDEV=y +# CONFIG_INPUT_MOUSEDEV_PSAUX is not set +CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024 +CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 +# CONFIG_INPUT_JOYDEV is not set +CONFIG_INPUT_EVDEV=y +# CONFIG_INPUT_EVBUG is not set + +# +# Input Device Drivers +# +CONFIG_INPUT_KEYBOARD=y +# CONFIG_KEYBOARD_ADP5588 is not set +CONFIG_KEYBOARD_ATKBD=y +# CONFIG_QT2160 is not set +# CONFIG_KEYBOARD_LKKBD is not set +# CONFIG_KEYBOARD_GPIO is not set +# CONFIG_KEYBOARD_TCA6416 is not set +# CONFIG_KEYBOARD_MATRIX is not set +# CONFIG_KEYBOARD_LM8323 is not set +# CONFIG_KEYBOARD_MAX7359 is not set +CONFIG_KEYBOARD_IMX=y +# CONFIG_KEYBOARD_NEWTON is not set +# CONFIG_KEYBOARD_OPENCORES is not set +# CONFIG_KEYBOARD_STOWAWAY is not set +# CONFIG_KEYBOARD_SUNKBD is not set +# CONFIG_KEYBOARD_XTKBD is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TABLET is not set +CONFIG_INPUT_TOUCHSCREEN=y +# CONFIG_TOUCHSCREEN_ADS7846 is not set +# CONFIG_TOUCHSCREEN_AD7877 is not set +# CONFIG_TOUCHSCREEN_AD7879_I2C is not set +# CONFIG_TOUCHSCREEN_AD7879_SPI is not set +# CONFIG_TOUCHSCREEN_AD7879 is not set +# CONFIG_TOUCHSCREEN_DYNAPRO is not set +# CONFIG_TOUCHSCREEN_HAMPSHIRE is not set +# CONFIG_TOUCHSCREEN_EETI is not set +# CONFIG_TOUCHSCREEN_FUJITSU is not set +# CONFIG_TOUCHSCREEN_GUNZE is not set +# CONFIG_TOUCHSCREEN_ELO is not set +# CONFIG_TOUCHSCREEN_WACOM_W8001 is not set +# CONFIG_TOUCHSCREEN_MCS5000 is not set +# CONFIG_TOUCHSCREEN_MTOUCH is not set +# CONFIG_TOUCHSCREEN_INEXIO is not set +# CONFIG_TOUCHSCREEN_MK712 is not set +# CONFIG_TOUCHSCREEN_PENMOUNT is not set +# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set +# CONFIG_TOUCHSCREEN_TOUCHWIN is not set +# CONFIG_TOUCHSCREEN_WM97XX is not set +# CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set +# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set +# CONFIG_TOUCHSCREEN_TSC2007 is not set +# CONFIG_TOUCHSCREEN_W90X900 is not set +# CONFIG_INPUT_MISC is not set + +# +# Hardware I/O ports +# +CONFIG_SERIO=y +CONFIG_SERIO_SERPORT=y +CONFIG_SERIO_LIBPS2=y +# CONFIG_SERIO_RAW is not set +# CONFIG_SERIO_ALTERA_PS2 is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +# CONFIG_VT is not set +CONFIG_DEVKMEM=y +# CONFIG_SERIAL_NONSTANDARD is not set +# CONFIG_N_GSM is not set + +# +# Serial drivers +# +CONFIG_SERIAL_8250=m +CONFIG_SERIAL_8250_NR_UARTS=4 +CONFIG_SERIAL_8250_RUNTIME_UARTS=4 +CONFIG_SERIAL_8250_EXTENDED=y +# CONFIG_SERIAL_8250_MANY_PORTS is not set +CONFIG_SERIAL_8250_SHARE_IRQ=y +# CONFIG_SERIAL_8250_DETECT_IRQ is not set +# CONFIG_SERIAL_8250_RSA is not set + +# +# Non-8250 serial port support +# +# CONFIG_SERIAL_MAX3100 is not set +CONFIG_SERIAL_IMX=y +CONFIG_SERIAL_IMX_CONSOLE=y +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +# CONFIG_SERIAL_TIMBERDALE is not set +# CONFIG_SERIAL_ALTERA_JTAGUART is not set +# CONFIG_SERIAL_ALTERA_UART is not set +CONFIG_UNIX98_PTYS=y +# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set +# CONFIG_LEGACY_PTYS is not set +# CONFIG_IPMI_HANDLER is not set +# CONFIG_HW_RANDOM is not set +# CONFIG_R3964 is not set +# CONFIG_RAW_DRIVER is not set +# CONFIG_TCG_TPM is not set +CONFIG_I2C=y +CONFIG_I2C_BOARDINFO=y +CONFIG_I2C_COMPAT=y +CONFIG_I2C_CHARDEV=y +CONFIG_I2C_HELPER_AUTO=y + +# +# I2C Hardware Bus support +# + +# +# I2C system bus drivers (mostly embedded / system-on-chip) +# +# CONFIG_I2C_DESIGNWARE is not set +# CONFIG_I2C_GPIO is not set +CONFIG_I2C_IMX=y +# CONFIG_I2C_OCORES is not set +# CONFIG_I2C_SIMTEC is not set +# CONFIG_I2C_XILINX is not set + +# +# External I2C/SMBus adapter drivers +# +# CONFIG_I2C_PARPORT_LIGHT is not set +# CONFIG_I2C_TAOS_EVM is not set +# CONFIG_I2C_TINY_USB is not set + +# +# Other I2C/SMBus bus drivers +# +# CONFIG_I2C_PCA_PLATFORM is not set +# CONFIG_I2C_STUB is not set +# CONFIG_I2C_DEBUG_CORE is not set +# CONFIG_I2C_DEBUG_ALGO is not set +# CONFIG_I2C_DEBUG_BUS is not set +CONFIG_SPI=y +CONFIG_SPI_MASTER=y + +# +# SPI Master Controller Drivers +# +CONFIG_SPI_BITBANG=y +CONFIG_SPI_GPIO=y +CONFIG_SPI_IMX=y +# CONFIG_SPI_XILINX is not set +# CONFIG_SPI_DESIGNWARE is not set + +# +# SPI Protocol Masters +# +# CONFIG_SPI_SPIDEV is not set +# CONFIG_SPI_TLE62X0 is not set + +# +# PPS support +# +# CONFIG_PPS is not set +CONFIG_ARCH_REQUIRE_GPIOLIB=y +CONFIG_GPIOLIB=y +# CONFIG_GPIO_SYSFS is not set + +# +# Memory mapped GPIO expanders: +# +# CONFIG_GPIO_IT8761E is not set + +# +# I2C GPIO expanders: +# +# CONFIG_GPIO_MAX7300 is not set +# CONFIG_GPIO_MAX732X is not set +# CONFIG_GPIO_PCA953X is not set +# CONFIG_GPIO_PCF857X is not set +# CONFIG_GPIO_ADP5588 is not set + +# +# PCI GPIO expanders: +# + +# +# SPI GPIO expanders: +# +# CONFIG_GPIO_MAX7301 is not set +# CONFIG_GPIO_MCP23S08 is not set +# CONFIG_GPIO_MC33880 is not set + +# +# AC97 GPIO expanders: +# +CONFIG_W1=y + +# +# 1-wire Bus Masters +# +# CONFIG_W1_MASTER_DS2490 is not set +# CONFIG_W1_MASTER_DS2482 is not set +CONFIG_W1_MASTER_MXC=y +# CONFIG_W1_MASTER_DS1WM is not set +# CONFIG_W1_MASTER_GPIO is not set + +# +# 1-wire Slaves +# +CONFIG_W1_SLAVE_THERM=y +# CONFIG_W1_SLAVE_SMEM is not set +# CONFIG_W1_SLAVE_DS2431 is not set +# CONFIG_W1_SLAVE_DS2433 is not set +# CONFIG_W1_SLAVE_DS2760 is not set +# CONFIG_W1_SLAVE_BQ27000 is not set +CONFIG_POWER_SUPPLY=y +# CONFIG_POWER_SUPPLY_DEBUG is not set +# CONFIG_PDA_POWER is not set +# CONFIG_TEST_POWER is not set +# CONFIG_BATTERY_DS2760 is not set +# CONFIG_BATTERY_DS2782 is not set +# CONFIG_BATTERY_BQ27x00 is not set +# CONFIG_BATTERY_MAX17040 is not set +# CONFIG_HWMON is not set +# CONFIG_THERMAL is not set +# CONFIG_WATCHDOG is not set +CONFIG_SSB_POSSIBLE=y + +# +# Sonics Silicon Backplane +# +# CONFIG_SSB is not set + +# +# Multifunction device drivers +# +# CONFIG_MFD_CORE is not set +# CONFIG_MFD_88PM860X is not set +# CONFIG_MFD_SM501 is not set +# CONFIG_MFD_ASIC3 is not set +# CONFIG_HTC_EGPIO is not set +# CONFIG_HTC_PASIC3 is not set +# CONFIG_HTC_I2CPLD is not set +# CONFIG_UCB1400_CORE is not set +# CONFIG_TPS65010 is not set +# CONFIG_TWL4030_CORE is not set +# CONFIG_MFD_TMIO is not set +# CONFIG_MFD_T7L66XB is not set +# CONFIG_MFD_TC6387XB is not set +# CONFIG_MFD_TC6393XB is not set +# CONFIG_PMIC_DA903X is not set +# CONFIG_PMIC_ADP5520 is not set +# CONFIG_MFD_MAX8925 is not set +# CONFIG_MFD_WM8400 is not set +# CONFIG_MFD_WM831X is not set +# CONFIG_MFD_WM8350_I2C is not set +# CONFIG_MFD_WM8994 is not set +# CONFIG_MFD_PCF50633 is not set +# CONFIG_MFD_MC13783 is not set +# CONFIG_AB3100_CORE is not set +# CONFIG_EZX_PCAP is not set +# CONFIG_AB4500_CORE is not set +CONFIG_REGULATOR=y +# CONFIG_REGULATOR_DEBUG is not set +# CONFIG_REGULATOR_DUMMY is not set +# CONFIG_REGULATOR_FIXED_VOLTAGE is not set +# CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set +# CONFIG_REGULATOR_USERSPACE_CONSUMER is not set +# CONFIG_REGULATOR_BQ24022 is not set +# CONFIG_REGULATOR_MAX1586 is not set +# CONFIG_REGULATOR_MAX8649 is not set +# CONFIG_REGULATOR_MAX8660 is not set +# CONFIG_REGULATOR_LP3971 is not set +# CONFIG_REGULATOR_TPS65023 is not set +# CONFIG_REGULATOR_TPS6507X is not set +CONFIG_MEDIA_SUPPORT=y + +# +# Multimedia core support +# +CONFIG_VIDEO_DEV=y +CONFIG_VIDEO_V4L2_COMMON=y +# CONFIG_VIDEO_ALLOW_V4L1 is not set +CONFIG_VIDEO_V4L1_COMPAT=y +# CONFIG_DVB_CORE is not set +CONFIG_VIDEO_MEDIA=y + +# +# Multimedia drivers +# +CONFIG_IR_CORE=y +CONFIG_VIDEO_IR=y +CONFIG_RC_MAP=y +CONFIG_IR_NEC_DECODER=y +CONFIG_IR_RC5_DECODER=y +CONFIG_IR_RC6_DECODER=y +CONFIG_IR_JVC_DECODER=y +CONFIG_IR_SONY_DECODER=y +# CONFIG_IR_IMON is not set +# CONFIG_MEDIA_ATTACH is not set +CONFIG_MEDIA_TUNER=y +# CONFIG_MEDIA_TUNER_CUSTOMISE is not set +CONFIG_MEDIA_TUNER_SIMPLE=y +CONFIG_MEDIA_TUNER_TDA8290=y +CONFIG_MEDIA_TUNER_TDA9887=y +CONFIG_MEDIA_TUNER_TEA5761=y +CONFIG_MEDIA_TUNER_TEA5767=y +CONFIG_MEDIA_TUNER_MT20XX=y +CONFIG_MEDIA_TUNER_XC2028=y +CONFIG_MEDIA_TUNER_XC5000=y +CONFIG_MEDIA_TUNER_MC44S803=y +CONFIG_VIDEO_V4L2=y +CONFIG_VIDEOBUF_GEN=y +CONFIG_VIDEO_CAPTURE_DRIVERS=y +# CONFIG_VIDEO_ADV_DEBUG is not set +# CONFIG_VIDEO_FIXED_MINOR_RANGES is not set +CONFIG_VIDEO_HELPER_CHIPS_AUTO=y +CONFIG_VIDEO_IR_I2C=y +# CONFIG_VIDEO_SAA5246A is not set +# CONFIG_VIDEO_SAA5249 is not set +CONFIG_SOC_CAMERA=y +CONFIG_SOC_CAMERA_MT9M001=y +CONFIG_SOC_CAMERA_MT9M111=y +CONFIG_SOC_CAMERA_MT9T031=y +# CONFIG_SOC_CAMERA_MT9T112 is not set +CONFIG_SOC_CAMERA_MT9V022=y +# CONFIG_SOC_CAMERA_RJ54N1 is not set +CONFIG_SOC_CAMERA_TW9910=y +# CONFIG_SOC_CAMERA_PLATFORM is not set +CONFIG_SOC_CAMERA_OV772X=y +# CONFIG_SOC_CAMERA_OV9640 is not set +# CONFIG_VIDEO_SH_MOBILE_CEU is not set +CONFIG_V4L_USB_DRIVERS=y +# CONFIG_USB_VIDEO_CLASS is not set +CONFIG_USB_VIDEO_CLASS_INPUT_EVDEV=y +CONFIG_USB_GSPCA=m +# CONFIG_USB_M5602 is not set +# CONFIG_USB_STV06XX is not set +# CONFIG_USB_GL860 is not set +# CONFIG_USB_GSPCA_BENQ is not set +# CONFIG_USB_GSPCA_CONEX is not set +# CONFIG_USB_GSPCA_CPIA1 is not set +# CONFIG_USB_GSPCA_ETOMS is not set +# CONFIG_USB_GSPCA_FINEPIX is not set +# CONFIG_USB_GSPCA_JEILINJ is not set +# CONFIG_USB_GSPCA_MARS is not set +# CONFIG_USB_GSPCA_MR97310A is not set +# CONFIG_USB_GSPCA_OV519 is not set +# CONFIG_USB_GSPCA_OV534 is not set +# CONFIG_USB_GSPCA_OV534_9 is not set +# CONFIG_USB_GSPCA_PAC207 is not set +# CONFIG_USB_GSPCA_PAC7302 is not set +# CONFIG_USB_GSPCA_PAC7311 is not set +# CONFIG_USB_GSPCA_SN9C2028 is not set +# CONFIG_USB_GSPCA_SN9C20X is not set +# CONFIG_USB_GSPCA_SONIXB is not set +# CONFIG_USB_GSPCA_SONIXJ is not set +# CONFIG_USB_GSPCA_SPCA500 is not set +# CONFIG_USB_GSPCA_SPCA501 is not set +# CONFIG_USB_GSPCA_SPCA505 is not set +# CONFIG_USB_GSPCA_SPCA506 is not set +# CONFIG_USB_GSPCA_SPCA508 is not set +# CONFIG_USB_GSPCA_SPCA561 is not set +# CONFIG_USB_GSPCA_SQ905 is not set +# CONFIG_USB_GSPCA_SQ905C is not set +# CONFIG_USB_GSPCA_STK014 is not set +# CONFIG_USB_GSPCA_STV0680 is not set +# CONFIG_USB_GSPCA_SUNPLUS is not set +# CONFIG_USB_GSPCA_T613 is not set +# CONFIG_USB_GSPCA_TV8532 is not set +# CONFIG_USB_GSPCA_VC032X is not set +# CONFIG_USB_GSPCA_ZC3XX is not set +# CONFIG_VIDEO_PVRUSB2 is not set +# CONFIG_VIDEO_HDPVR is not set +# CONFIG_VIDEO_EM28XX is not set +# CONFIG_VIDEO_CX231XX is not set +# CONFIG_VIDEO_USBVISION is not set +# CONFIG_USB_ET61X251 is not set +# CONFIG_USB_SN9C102 is not set +# CONFIG_USB_ZC0301 is not set +# CONFIG_USB_ZR364XX is not set +# CONFIG_USB_STKWEBCAM is not set +# CONFIG_USB_S2255 is not set +# CONFIG_V4L_MEM2MEM_DRIVERS is not set +# CONFIG_RADIO_ADAPTERS is not set +# CONFIG_DAB is not set + +# +# Graphics support +# +# CONFIG_VGASTATE is not set +# CONFIG_VIDEO_OUTPUT_CONTROL is not set +CONFIG_FB=y +# CONFIG_FIRMWARE_EDID is not set +# CONFIG_FB_DDC is not set +# CONFIG_FB_BOOT_VESA_SUPPORT is not set +CONFIG_FB_CFB_FILLRECT=y +CONFIG_FB_CFB_COPYAREA=y +CONFIG_FB_CFB_IMAGEBLIT=y +# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set +# CONFIG_FB_SYS_FILLRECT is not set +# CONFIG_FB_SYS_COPYAREA is not set +# CONFIG_FB_SYS_IMAGEBLIT is not set +# CONFIG_FB_FOREIGN_ENDIAN is not set +# CONFIG_FB_SYS_FOPS is not set +# CONFIG_FB_SVGALIB is not set +# CONFIG_FB_MACMODES is not set +# CONFIG_FB_BACKLIGHT is not set +# CONFIG_FB_MODE_HELPERS is not set +# CONFIG_FB_TILEBLITTING is not set + +# +# Frame buffer hardware drivers +# +CONFIG_HAVE_FB_IMX=y +CONFIG_FB_IMX=y +# CONFIG_FB_S1D13XXX is not set +# CONFIG_FB_VIRTUAL is not set +# CONFIG_FB_METRONOME is not set +# CONFIG_FB_MB862XX is not set +# CONFIG_FB_BROADSHEET is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set + +# +# Display device support +# +# CONFIG_DISPLAY_SUPPORT is not set +# CONFIG_LOGO is not set +CONFIG_SOUND=y +# CONFIG_SOUND_OSS_CORE is not set +CONFIG_SND=y +CONFIG_SND_TIMER=y +CONFIG_SND_PCM=y +CONFIG_SND_JACK=y +# CONFIG_SND_SEQUENCER is not set +# CONFIG_SND_MIXER_OSS is not set +# CONFIG_SND_PCM_OSS is not set +# CONFIG_SND_HRTIMER is not set +# CONFIG_SND_DYNAMIC_MINORS is not set +CONFIG_SND_SUPPORT_OLD_API=y +CONFIG_SND_VERBOSE_PROCFS=y +# CONFIG_SND_VERBOSE_PRINTK is not set +# CONFIG_SND_DEBUG is not set +# CONFIG_SND_RAWMIDI_SEQ is not set +# CONFIG_SND_OPL3_LIB_SEQ is not set +# CONFIG_SND_OPL4_LIB_SEQ is not set +# CONFIG_SND_SBAWE_SEQ is not set +# CONFIG_SND_EMU10K1_SEQ is not set +CONFIG_SND_DRIVERS=y +# CONFIG_SND_DUMMY is not set +# CONFIG_SND_MTPAV is not set +# CONFIG_SND_SERIAL_U16550 is not set +# CONFIG_SND_MPU401 is not set +# CONFIG_SND_ARM is not set +# CONFIG_SND_SPI is not set +# CONFIG_SND_USB is not set +CONFIG_SND_SOC=y +CONFIG_SND_SOC_AC97_BUS=y +CONFIG_SND_IMX_SOC=y +# CONFIG_SND_MXC_SOC_WM1133_EV1 is not set +CONFIG_SND_SOC_I2C_AND_SPI=y +# CONFIG_SND_SOC_ALL_CODECS is not set +# CONFIG_SOUND_PRIME is not set +CONFIG_AC97_BUS=y +CONFIG_HID_SUPPORT=y +CONFIG_HID=y +# CONFIG_HIDRAW is not set + +# +# USB Input Devices +# +CONFIG_USB_HID=y +# CONFIG_HID_PID is not set +# CONFIG_USB_HIDDEV is not set + +# +# Special HID drivers +# +# CONFIG_HID_3M_PCT is not set +# CONFIG_HID_A4TECH is not set +# CONFIG_HID_APPLE is not set +# CONFIG_HID_BELKIN is not set +# CONFIG_HID_CANDO is not set +# CONFIG_HID_CHERRY is not set +# CONFIG_HID_CHICONY is not set +# CONFIG_HID_PRODIKEYS is not set +# CONFIG_HID_CYPRESS is not set +# CONFIG_HID_DRAGONRISE is not set +# CONFIG_HID_EGALAX is not set +# CONFIG_HID_EZKEY is not set +# CONFIG_HID_KYE is not set +# CONFIG_HID_GYRATION is not set +# CONFIG_HID_TWINHAN is not set +# CONFIG_HID_KENSINGTON is not set +# CONFIG_HID_LOGITECH is not set +# CONFIG_HID_MICROSOFT is not set +# CONFIG_HID_MOSART is not set +# CONFIG_HID_MONTEREY is not set +# CONFIG_HID_NTRIG is not set +# CONFIG_HID_ORTEK is not set +# CONFIG_HID_PANTHERLORD is not set +# CONFIG_HID_PETALYNX is not set +# CONFIG_HID_PICOLCD is not set +# CONFIG_HID_QUANTA is not set +# CONFIG_HID_ROCCAT_KONE is not set +# CONFIG_HID_SAMSUNG is not set +# CONFIG_HID_SONY is not set +# CONFIG_HID_STANTUM is not set +# CONFIG_HID_SUNPLUS is not set +# CONFIG_HID_GREENASIA is not set +# CONFIG_HID_SMARTJOYPLUS is not set +# CONFIG_HID_TOPSEED is not set +# CONFIG_HID_THRUSTMASTER is not set +# CONFIG_HID_ZEROPLUS is not set +# CONFIG_HID_ZYDACRON is not set +CONFIG_USB_SUPPORT=y +CONFIG_USB_ARCH_HAS_HCD=y +# CONFIG_USB_ARCH_HAS_OHCI is not set +CONFIG_USB_ARCH_HAS_EHCI=y +CONFIG_USB=y +# CONFIG_USB_DEBUG is not set +# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set + +# +# Miscellaneous USB options +# +# CONFIG_USB_DEVICEFS is not set +CONFIG_USB_DEVICE_CLASS=y +# CONFIG_USB_DYNAMIC_MINORS is not set +# CONFIG_USB_OTG_WHITELIST is not set +# CONFIG_USB_OTG_BLACKLIST_HUB is not set +# CONFIG_USB_MON is not set +# CONFIG_USB_WUSB is not set +# CONFIG_USB_WUSB_CBAF is not set + +# +# USB Host Controller Drivers +# +# CONFIG_USB_C67X00_HCD is not set +CONFIG_USB_EHCI_HCD=y +CONFIG_USB_EHCI_ROOT_HUB_TT=y +# CONFIG_USB_EHCI_TT_NEWSCHED is not set +CONFIG_USB_EHCI_MXC=y +# CONFIG_USB_OXU210HP_HCD is not set +# CONFIG_USB_ISP116X_HCD is not set +# CONFIG_USB_ISP1760_HCD is not set +# CONFIG_USB_ISP1362_HCD is not set +# CONFIG_USB_SL811_HCD is not set +# CONFIG_USB_R8A66597_HCD is not set +# CONFIG_USB_HWA_HCD is not set +# CONFIG_USB_MUSB_HDRC is not set + +# +# USB Device Class drivers +# +# CONFIG_USB_ACM is not set +# CONFIG_USB_PRINTER is not set +# CONFIG_USB_WDM is not set +# CONFIG_USB_TMC is not set + +# +# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may +# + +# +# also be needed; see USB_STORAGE Help for more info +# +# CONFIG_USB_LIBUSUAL is not set + +# +# USB Imaging devices +# +# CONFIG_USB_MDC800 is not set + +# +# USB port drivers +# +# CONFIG_USB_SERIAL is not set + +# +# USB Miscellaneous drivers +# +# CONFIG_USB_EMI62 is not set +# CONFIG_USB_EMI26 is not set +# CONFIG_USB_ADUTUX is not set +# CONFIG_USB_SEVSEG is not set +# CONFIG_USB_RIO500 is not set +# CONFIG_USB_LEGOTOWER is not set +# CONFIG_USB_LCD is not set +# CONFIG_USB_LED is not set +# CONFIG_USB_CYPRESS_CY7C63 is not set +# CONFIG_USB_CYTHERM is not set +# CONFIG_USB_IDMOUSE is not set +# CONFIG_USB_FTDI_ELAN is not set +# CONFIG_USB_APPLEDISPLAY is not set +# CONFIG_USB_SISUSBVGA is not set +# CONFIG_USB_LD is not set +# CONFIG_USB_TRANCEVIBRATOR is not set +# CONFIG_USB_IOWARRIOR is not set +# CONFIG_USB_TEST is not set +# CONFIG_USB_ISIGHTFW is not set +# CONFIG_USB_GADGET is not set + +# +# OTG and related infrastructure +# +CONFIG_USB_OTG_UTILS=y +# CONFIG_USB_GPIO_VBUS is not set +CONFIG_USB_ULPI=y +# CONFIG_NOP_USB_XCEIV is not set +CONFIG_MMC=y +# CONFIG_MMC_DEBUG is not set +# CONFIG_MMC_UNSAFE_RESUME is not set + +# +# MMC/SD/SDIO Card Drivers +# +CONFIG_MMC_BLOCK=y +CONFIG_MMC_BLOCK_BOUNCE=y +# CONFIG_SDIO_UART is not set +# CONFIG_MMC_TEST is not set + +# +# MMC/SD/SDIO Host Controller Drivers +# +# CONFIG_MMC_SDHCI is not set +# CONFIG_MMC_MXC is not set +# CONFIG_MMC_SPI is not set +# CONFIG_MEMSTICK is not set +CONFIG_NEW_LEDS=y +CONFIG_LEDS_CLASS=y + +# +# LED drivers +# +# CONFIG_LEDS_PCA9532 is not set +CONFIG_LEDS_GPIO=y +CONFIG_LEDS_GPIO_PLATFORM=y +# CONFIG_LEDS_LP3944 is not set +# CONFIG_LEDS_PCA955X is not set +# CONFIG_LEDS_DAC124S085 is not set +# CONFIG_LEDS_PWM is not set +CONFIG_LEDS_REGULATOR=y +# CONFIG_LEDS_BD2802 is not set +# CONFIG_LEDS_LT3593 is not set +CONFIG_LEDS_TRIGGERS=y + +# +# LED Triggers +# +# CONFIG_LEDS_TRIGGER_TIMER is not set +# CONFIG_LEDS_TRIGGER_HEARTBEAT is not set +# CONFIG_LEDS_TRIGGER_BACKLIGHT is not set +# CONFIG_LEDS_TRIGGER_GPIO is not set +# CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set + +# +# iptables trigger is under Netfilter config (LED target) +# +# CONFIG_ACCESSIBILITY is not set +CONFIG_RTC_LIB=y +CONFIG_RTC_CLASS=y +CONFIG_RTC_HCTOSYS=y +CONFIG_RTC_HCTOSYS_DEVICE="rtc0" +# CONFIG_RTC_DEBUG is not set + +# +# RTC interfaces +# +CONFIG_RTC_INTF_SYSFS=y +CONFIG_RTC_INTF_PROC=y +CONFIG_RTC_INTF_DEV=y +# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set +# CONFIG_RTC_DRV_TEST is not set + +# +# I2C RTC drivers +# +# CONFIG_RTC_DRV_DS1307 is not set +# CONFIG_RTC_DRV_DS1374 is not set +# CONFIG_RTC_DRV_DS1672 is not set +# CONFIG_RTC_DRV_MAX6900 is not set +# CONFIG_RTC_DRV_RS5C372 is not set +# CONFIG_RTC_DRV_ISL1208 is not set +# CONFIG_RTC_DRV_X1205 is not set +# CONFIG_RTC_DRV_PCF8563 is not set +# CONFIG_RTC_DRV_PCF8583 is not set +# CONFIG_RTC_DRV_M41T80 is not set +# CONFIG_RTC_DRV_BQ32K is not set +# CONFIG_RTC_DRV_S35390A is not set +# CONFIG_RTC_DRV_FM3130 is not set +# CONFIG_RTC_DRV_RX8581 is not set +# CONFIG_RTC_DRV_RX8025 is not set + +# +# SPI RTC drivers +# +# CONFIG_RTC_DRV_M41T94 is not set +# CONFIG_RTC_DRV_DS1305 is not set +# CONFIG_RTC_DRV_DS1390 is not set +# CONFIG_RTC_DRV_MAX6902 is not set +# CONFIG_RTC_DRV_R9701 is not set +# CONFIG_RTC_DRV_RS5C348 is not set +# CONFIG_RTC_DRV_DS3234 is not set +# CONFIG_RTC_DRV_PCF2123 is not set + +# +# Platform RTC drivers +# +# CONFIG_RTC_DRV_CMOS is not set +# CONFIG_RTC_DRV_DS1286 is not set +# CONFIG_RTC_DRV_DS1511 is not set +# CONFIG_RTC_DRV_DS1553 is not set +# CONFIG_RTC_DRV_DS1742 is not set +# CONFIG_RTC_DRV_STK17TA8 is not set +# CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_M48T35 is not set +# CONFIG_RTC_DRV_M48T59 is not set +# CONFIG_RTC_DRV_MSM6242 is not set +# CONFIG_RTC_MXC is not set +# CONFIG_RTC_DRV_BQ4802 is not set +# CONFIG_RTC_DRV_RP5C01 is not set +# CONFIG_RTC_DRV_V3020 is not set + +# +# on-CPU RTC drivers +# +CONFIG_DMADEVICES=y +# CONFIG_DMADEVICES_DEBUG is not set + +# +# DMA Devices +# +# CONFIG_TIMB_DMA is not set +# CONFIG_AUXDISPLAY is not set +# CONFIG_UIO is not set +# CONFIG_STAGING is not set + +# +# File systems +# +# CONFIG_EXT2_FS is not set +# CONFIG_EXT3_FS is not set +# CONFIG_EXT4_FS is not set +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +# CONFIG_FS_POSIX_ACL is not set +# CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set +# CONFIG_OCFS2_FS is not set +# CONFIG_BTRFS_FS is not set +# CONFIG_NILFS2_FS is not set +CONFIG_FILE_LOCKING=y +CONFIG_FSNOTIFY=y +# CONFIG_DNOTIFY is not set +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y +# CONFIG_QUOTA is not set +# CONFIG_AUTOFS_FS is not set +# CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set + +# +# Caches +# +# CONFIG_FSCACHE is not set + +# +# CD-ROM/DVD Filesystems +# +# CONFIG_ISO9660_FS is not set +# CONFIG_UDF_FS is not set + +# +# DOS/FAT/NT Filesystems +# +# CONFIG_MSDOS_FS is not set +# CONFIG_VFAT_FS is not set +# CONFIG_NTFS_FS is not set + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +CONFIG_PROC_SYSCTL=y +CONFIG_PROC_PAGE_MONITOR=y +CONFIG_SYSFS=y +CONFIG_TMPFS=y +# CONFIG_TMPFS_POSIX_ACL is not set +# CONFIG_HUGETLB_PAGE is not set +# CONFIG_CONFIGFS_FS is not set +CONFIG_MISC_FILESYSTEMS=y +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +CONFIG_JFFS2_FS=y +CONFIG_JFFS2_FS_DEBUG=0 +CONFIG_JFFS2_FS_WRITEBUFFER=y +# CONFIG_JFFS2_FS_WBUF_VERIFY is not set +# CONFIG_JFFS2_SUMMARY is not set +# CONFIG_JFFS2_FS_XATTR is not set +# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set +CONFIG_JFFS2_ZLIB=y +# CONFIG_JFFS2_LZO is not set +CONFIG_JFFS2_RTIME=y +# CONFIG_JFFS2_RUBIN is not set +CONFIG_UBIFS_FS=y +# CONFIG_UBIFS_FS_XATTR is not set +# CONFIG_UBIFS_FS_ADVANCED_COMPR is not set +CONFIG_UBIFS_FS_LZO=y +CONFIG_UBIFS_FS_ZLIB=y +# CONFIG_UBIFS_FS_DEBUG is not set +# CONFIG_LOGFS is not set +# CONFIG_CRAMFS is not set +# CONFIG_SQUASHFS is not set +# CONFIG_VXFS_FS is not set +# CONFIG_MINIX_FS is not set +# CONFIG_OMFS_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_ROMFS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set +CONFIG_NETWORK_FILESYSTEMS=y +CONFIG_NFS_FS=y +CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set +CONFIG_NFS_V4=y +# CONFIG_NFS_V4_1 is not set +CONFIG_ROOT_NFS=y +# CONFIG_NFSD is not set +CONFIG_LOCKD=y +CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y +CONFIG_SUNRPC=y +CONFIG_SUNRPC_GSS=y +CONFIG_RPCSEC_GSS_KRB5=y +# CONFIG_RPCSEC_GSS_SPKM3 is not set +# CONFIG_SMB_FS is not set +# CONFIG_CEPH_FS is not set +# CONFIG_CIFS is not set +# CONFIG_NCP_FS is not set +# CONFIG_CODA_FS is not set +# CONFIG_AFS_FS is not set + +# +# Partition Types +# +# CONFIG_PARTITION_ADVANCED is not set +CONFIG_MSDOS_PARTITION=y +CONFIG_NLS=y +CONFIG_NLS_DEFAULT="iso8859-1" +# CONFIG_NLS_CODEPAGE_437 is not set +# CONFIG_NLS_CODEPAGE_737 is not set +# CONFIG_NLS_CODEPAGE_775 is not set +# CONFIG_NLS_CODEPAGE_850 is not set +# CONFIG_NLS_CODEPAGE_852 is not set +# CONFIG_NLS_CODEPAGE_855 is not set +# CONFIG_NLS_CODEPAGE_857 is not set +# CONFIG_NLS_CODEPAGE_860 is not set +# CONFIG_NLS_CODEPAGE_861 is not set +# CONFIG_NLS_CODEPAGE_862 is not set +# CONFIG_NLS_CODEPAGE_863 is not set +# CONFIG_NLS_CODEPAGE_864 is not set +# CONFIG_NLS_CODEPAGE_865 is not set +# CONFIG_NLS_CODEPAGE_866 is not set +# CONFIG_NLS_CODEPAGE_869 is not set +# CONFIG_NLS_CODEPAGE_936 is not set +# CONFIG_NLS_CODEPAGE_950 is not set +# CONFIG_NLS_CODEPAGE_932 is not set +# CONFIG_NLS_CODEPAGE_949 is not set +# CONFIG_NLS_CODEPAGE_874 is not set +# CONFIG_NLS_ISO8859_8 is not set +# CONFIG_NLS_CODEPAGE_1250 is not set +# CONFIG_NLS_CODEPAGE_1251 is not set +# CONFIG_NLS_ASCII is not set +# CONFIG_NLS_ISO8859_1 is not set +# CONFIG_NLS_ISO8859_2 is not set +# CONFIG_NLS_ISO8859_3 is not set +# CONFIG_NLS_ISO8859_4 is not set +# CONFIG_NLS_ISO8859_5 is not set +# CONFIG_NLS_ISO8859_6 is not set +# CONFIG_NLS_ISO8859_7 is not set +# CONFIG_NLS_ISO8859_9 is not set +# CONFIG_NLS_ISO8859_13 is not set +# CONFIG_NLS_ISO8859_14 is not set +# CONFIG_NLS_ISO8859_15 is not set +# CONFIG_NLS_KOI8_R is not set +# CONFIG_NLS_KOI8_U is not set +# CONFIG_NLS_UTF8 is not set +# CONFIG_DLM is not set + +# +# Kernel hacking +# +CONFIG_PRINTK_TIME=y +# CONFIG_ENABLE_WARN_DEPRECATED is not set +# CONFIG_ENABLE_MUST_CHECK is not set +CONFIG_FRAME_WARN=1024 +# CONFIG_MAGIC_SYSRQ is not set +# CONFIG_STRIP_ASM_SYMS is not set +# CONFIG_UNUSED_SYMBOLS is not set +# CONFIG_DEBUG_FS is not set +# CONFIG_HEADERS_CHECK is not set +# CONFIG_DEBUG_KERNEL is not set +CONFIG_DEBUG_BUGVERBOSE=y +# CONFIG_DEBUG_MEMORY_INIT is not set +# CONFIG_RCU_CPU_STALL_DETECTOR is not set +# CONFIG_LATENCYTOP is not set +CONFIG_SYSCTL_SYSCALL_CHECK=y +CONFIG_HAVE_FUNCTION_TRACER=y +CONFIG_TRACING_SUPPORT=y +# CONFIG_FTRACE is not set +# CONFIG_ATOMIC64_SELFTEST is not set +# CONFIG_SAMPLES is not set +CONFIG_HAVE_ARCH_KGDB=y +CONFIG_ARM_UNWIND=y +# CONFIG_DEBUG_USER is not set +# CONFIG_OC_ETM is not set + +# +# Security options +# +# CONFIG_KEYS is not set +# CONFIG_SECURITY is not set +# CONFIG_SECURITYFS is not set +# CONFIG_DEFAULT_SECURITY_SELINUX is not set +# CONFIG_DEFAULT_SECURITY_SMACK is not set +# CONFIG_DEFAULT_SECURITY_TOMOYO is not set +CONFIG_DEFAULT_SECURITY_DAC=y +CONFIG_DEFAULT_SECURITY="" +CONFIG_CRYPTO=y + +# +# Crypto core or helper +# +CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_ALGAPI2=y +CONFIG_CRYPTO_AEAD2=y +CONFIG_CRYPTO_BLKCIPHER=y +CONFIG_CRYPTO_BLKCIPHER2=y +CONFIG_CRYPTO_HASH=y +CONFIG_CRYPTO_HASH2=y +CONFIG_CRYPTO_RNG2=y +CONFIG_CRYPTO_PCOMP=y +CONFIG_CRYPTO_MANAGER=y +CONFIG_CRYPTO_MANAGER2=y +# CONFIG_CRYPTO_GF128MUL is not set +# CONFIG_CRYPTO_NULL is not set +CONFIG_CRYPTO_WORKQUEUE=y +# CONFIG_CRYPTO_CRYPTD is not set +# CONFIG_CRYPTO_AUTHENC is not set +# CONFIG_CRYPTO_TEST is not set + +# +# Authenticated Encryption with Associated Data +# +# CONFIG_CRYPTO_CCM is not set +# CONFIG_CRYPTO_GCM is not set +# CONFIG_CRYPTO_SEQIV is not set + +# +# Block modes +# +CONFIG_CRYPTO_CBC=y +# CONFIG_CRYPTO_CTR is not set +# CONFIG_CRYPTO_CTS is not set +# CONFIG_CRYPTO_ECB is not set +# CONFIG_CRYPTO_LRW is not set +# CONFIG_CRYPTO_PCBC is not set +# CONFIG_CRYPTO_XTS is not set + +# +# Hash modes +# +# CONFIG_CRYPTO_HMAC is not set +# CONFIG_CRYPTO_XCBC is not set +# CONFIG_CRYPTO_VMAC is not set + +# +# Digest +# +# CONFIG_CRYPTO_CRC32C is not set +# CONFIG_CRYPTO_GHASH is not set +# CONFIG_CRYPTO_MD4 is not set +CONFIG_CRYPTO_MD5=y +# CONFIG_CRYPTO_MICHAEL_MIC is not set +# CONFIG_CRYPTO_RMD128 is not set +# CONFIG_CRYPTO_RMD160 is not set +# CONFIG_CRYPTO_RMD256 is not set +# CONFIG_CRYPTO_RMD320 is not set +# CONFIG_CRYPTO_SHA1 is not set +# CONFIG_CRYPTO_SHA256 is not set +# CONFIG_CRYPTO_SHA512 is not set +# CONFIG_CRYPTO_TGR192 is not set +# CONFIG_CRYPTO_WP512 is not set + +# +# Ciphers +# +# CONFIG_CRYPTO_AES is not set +# CONFIG_CRYPTO_ANUBIS is not set +# CONFIG_CRYPTO_ARC4 is not set +# CONFIG_CRYPTO_BLOWFISH is not set +# CONFIG_CRYPTO_CAMELLIA is not set +# CONFIG_CRYPTO_CAST5 is not set +# CONFIG_CRYPTO_CAST6 is not set +CONFIG_CRYPTO_DES=y +# CONFIG_CRYPTO_FCRYPT is not set +# CONFIG_CRYPTO_KHAZAD is not set +# CONFIG_CRYPTO_SALSA20 is not set +# CONFIG_CRYPTO_SEED is not set +# CONFIG_CRYPTO_SERPENT is not set +# CONFIG_CRYPTO_TEA is not set +# CONFIG_CRYPTO_TWOFISH is not set + +# +# Compression +# +CONFIG_CRYPTO_DEFLATE=y +# CONFIG_CRYPTO_ZLIB is not set +CONFIG_CRYPTO_LZO=y + +# +# Random Number Generation +# +# CONFIG_CRYPTO_ANSI_CPRNG is not set +CONFIG_CRYPTO_HW=y +# CONFIG_BINARY_PRINTF is not set + +# +# Library routines +# +CONFIG_BITREVERSE=y +CONFIG_RATIONAL=y +CONFIG_GENERIC_FIND_LAST_BIT=y +# CONFIG_CRC_CCITT is not set +CONFIG_CRC16=y +# CONFIG_CRC_T10DIF is not set +# CONFIG_CRC_ITU_T is not set +CONFIG_CRC32=y +# CONFIG_CRC7 is not set +# CONFIG_LIBCRC32C is not set +CONFIG_ZLIB_INFLATE=y +CONFIG_ZLIB_DEFLATE=y +CONFIG_LZO_COMPRESS=y +CONFIG_LZO_DECOMPRESS=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y +CONFIG_NLATTR=y +CONFIG_GENERIC_ATOMIC64=y diff --git a/arch/arm/configs/mx3_defconfig b/arch/arm/configs/mx3_defconfig index 8a06bc64fe59..c45f9eccda34 100644 --- a/arch/arm/configs/mx3_defconfig +++ b/arch/arm/configs/mx3_defconfig @@ -1,14 +1,16 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.32-rc5 -# Sun Nov 1 22:56:24 2009 +# Linux kernel version: 2.6.34 +# Tue May 25 14:54:32 2010 # CONFIG_ARM=y CONFIG_HAVE_PWM=y CONFIG_SYS_SUPPORTS_APM_EMULATION=y CONFIG_GENERIC_GPIO=y CONFIG_GENERIC_TIME=y +# CONFIG_ARCH_USES_GETTIMEOFFSET is not set CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_HAVE_PROC_CPU=y CONFIG_GENERIC_HARDIRQS=y CONFIG_STACKTRACE_SUPPORT=y CONFIG_HAVE_LATENCYTOP_SUPPORT=y @@ -19,7 +21,8 @@ CONFIG_GENERIC_IRQ_PROBE=y CONFIG_RWSEM_GENERIC_SPINLOCK=y CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y -CONFIG_ARCH_MTD_XIP=y +CONFIG_NEED_DMA_MAP_STATE=y +CONFIG_FIQ=y CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y CONFIG_VECTORS_BASE=0xffff0000 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" @@ -34,6 +37,13 @@ CONFIG_LOCK_KERNEL=y CONFIG_INIT_ENV_ARG_LIMIT=32 CONFIG_LOCALVERSION="" CONFIG_LOCALVERSION_AUTO=y +CONFIG_HAVE_KERNEL_GZIP=y +CONFIG_HAVE_KERNEL_LZMA=y +CONFIG_HAVE_KERNEL_LZO=y +CONFIG_KERNEL_GZIP=y +# CONFIG_KERNEL_BZIP2 is not set +# CONFIG_KERNEL_LZMA is not set +# CONFIG_KERNEL_LZO is not set CONFIG_SWAP=y CONFIG_SYSVIPC=y CONFIG_SYSVIPC_SYSCTL=y @@ -47,6 +57,7 @@ CONFIG_SYSVIPC_SYSCTL=y # CONFIG_TREE_RCU=y # CONFIG_TREE_PREEMPT_RCU is not set +# CONFIG_TINY_RCU is not set # CONFIG_RCU_TRACE is not set CONFIG_RCU_FANOUT=32 # CONFIG_RCU_FANOUT_EXACT is not set @@ -54,11 +65,6 @@ CONFIG_RCU_FANOUT=32 CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=14 -CONFIG_GROUP_SCHED=y -CONFIG_FAIR_GROUP_SCHED=y -# CONFIG_RT_GROUP_SCHED is not set -CONFIG_USER_SCHED=y -# CONFIG_CGROUP_SCHED is not set # CONFIG_CGROUPS is not set CONFIG_SYSFS_DEPRECATED=y CONFIG_SYSFS_DEPRECATED_V2=y @@ -85,10 +91,14 @@ CONFIG_TIMERFD=y CONFIG_EVENTFD=y CONFIG_SHMEM=y CONFIG_AIO=y +CONFIG_HAVE_PERF_EVENTS=y +CONFIG_PERF_USE_VMALLOC=y # # Kernel Performance Events And Counters # +# CONFIG_PERF_EVENTS is not set +# CONFIG_PERF_COUNTERS is not set CONFIG_VM_EVENT_COUNTERS=y CONFIG_COMPAT_BRK=y CONFIG_SLAB=y @@ -124,14 +134,41 @@ CONFIG_LBDAF=y # IO Schedulers # CONFIG_IOSCHED_NOOP=y -CONFIG_IOSCHED_AS=y CONFIG_IOSCHED_DEADLINE=y CONFIG_IOSCHED_CFQ=y -# CONFIG_DEFAULT_AS is not set # CONFIG_DEFAULT_DEADLINE is not set CONFIG_DEFAULT_CFQ=y # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="cfq" +# CONFIG_INLINE_SPIN_TRYLOCK is not set +# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set +# CONFIG_INLINE_SPIN_LOCK is not set +# CONFIG_INLINE_SPIN_LOCK_BH is not set +# CONFIG_INLINE_SPIN_LOCK_IRQ is not set +# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set +# CONFIG_INLINE_SPIN_UNLOCK is not set +# CONFIG_INLINE_SPIN_UNLOCK_BH is not set +# CONFIG_INLINE_SPIN_UNLOCK_IRQ is not set +# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set +# CONFIG_INLINE_READ_TRYLOCK is not set +# CONFIG_INLINE_READ_LOCK is not set +# CONFIG_INLINE_READ_LOCK_BH is not set +# CONFIG_INLINE_READ_LOCK_IRQ is not set +# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set +# CONFIG_INLINE_READ_UNLOCK is not set +# CONFIG_INLINE_READ_UNLOCK_BH is not set +# CONFIG_INLINE_READ_UNLOCK_IRQ is not set +# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set +# CONFIG_INLINE_WRITE_TRYLOCK is not set +# CONFIG_INLINE_WRITE_LOCK is not set +# CONFIG_INLINE_WRITE_LOCK_BH is not set +# CONFIG_INLINE_WRITE_LOCK_IRQ is not set +# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set +# CONFIG_INLINE_WRITE_UNLOCK is not set +# CONFIG_INLINE_WRITE_UNLOCK_BH is not set +# CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set +# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set +# CONFIG_MUTEX_SPIN_ON_OWNER is not set CONFIG_FREEZER=y # @@ -142,8 +179,11 @@ CONFIG_MMU=y # CONFIG_ARCH_INTEGRATOR is not set # CONFIG_ARCH_REALVIEW is not set # CONFIG_ARCH_VERSATILE is not set +# CONFIG_ARCH_VEXPRESS is not set # CONFIG_ARCH_AT91 is not set +# CONFIG_ARCH_BCMRING is not set # CONFIG_ARCH_CLPS711X is not set +# CONFIG_ARCH_CNS3XXX is not set # CONFIG_ARCH_GEMINI is not set # CONFIG_ARCH_EBSA110 is not set # CONFIG_ARCH_EP93XX is not set @@ -152,7 +192,6 @@ CONFIG_ARCH_MXC=y # CONFIG_ARCH_STMP3XXX is not set # CONFIG_ARCH_NETX is not set # CONFIG_ARCH_H720X is not set -# CONFIG_ARCH_NOMADIK is not set # CONFIG_ARCH_IOP13XX is not set # CONFIG_ARCH_IOP32X is not set # CONFIG_ARCH_IOP33X is not set @@ -160,6 +199,7 @@ CONFIG_ARCH_MXC=y # CONFIG_ARCH_IXP2000 is not set # CONFIG_ARCH_IXP4XX is not set # CONFIG_ARCH_L7200 is not set +# CONFIG_ARCH_DOVE is not set # CONFIG_ARCH_KIRKWOOD is not set # CONFIG_ARCH_LOKI is not set # CONFIG_ARCH_MV78XX0 is not set @@ -168,20 +208,27 @@ CONFIG_ARCH_MXC=y # CONFIG_ARCH_KS8695 is not set # CONFIG_ARCH_NS9XXX is not set # CONFIG_ARCH_W90X900 is not set +# CONFIG_ARCH_NUC93X is not set # CONFIG_ARCH_PNX4008 is not set # CONFIG_ARCH_PXA is not set # CONFIG_ARCH_MSM is not set +# CONFIG_ARCH_SHMOBILE is not set # CONFIG_ARCH_RPC is not set # CONFIG_ARCH_SA1100 is not set # CONFIG_ARCH_S3C2410 is not set # CONFIG_ARCH_S3C64XX is not set +# CONFIG_ARCH_S5P6440 is not set +# CONFIG_ARCH_S5P6442 is not set # CONFIG_ARCH_S5PC1XX is not set +# CONFIG_ARCH_S5PV210 is not set # CONFIG_ARCH_SHARK is not set # CONFIG_ARCH_LH7A40X is not set # CONFIG_ARCH_U300 is not set +# CONFIG_ARCH_U8500 is not set +# CONFIG_ARCH_NOMADIK is not set # CONFIG_ARCH_DAVINCI is not set # CONFIG_ARCH_OMAP is not set -# CONFIG_ARCH_BCMRING is not set +# CONFIG_PLAT_SPEAR is not set # # Freescale MXC Implementations @@ -191,6 +238,7 @@ CONFIG_ARCH_MXC=y # CONFIG_ARCH_MX25 is not set CONFIG_ARCH_MX3=y # CONFIG_ARCH_MXC91231 is not set +# CONFIG_ARCH_MX5 is not set CONFIG_ARCH_MX31=y CONFIG_ARCH_MX35=y @@ -203,6 +251,7 @@ CONFIG_MACH_PCM037=y CONFIG_MACH_PCM037_EET=y CONFIG_MACH_MX31LITE=y CONFIG_MACH_MX31_3DS=y +# CONFIG_MACH_MX31_3DS_MXC_NAND_USE_BBT is not set CONFIG_MACH_MX31MOBOARD=y CONFIG_MACH_MX31LILLY=y CONFIG_MACH_QONG=y @@ -212,8 +261,10 @@ CONFIG_MACH_MX35_3DS=y CONFIG_MACH_KZM_ARM11_01=y CONFIG_MXC_IRQ_PRIOR=y CONFIG_MXC_PWM=y +CONFIG_MXC_ULPI=y CONFIG_ARCH_HAS_RNGA=y CONFIG_ARCH_MXC_IOMUX_V3=y +CONFIG_ARCH_MXC_AUDMUX_V2=y # # Processor Type @@ -239,8 +290,11 @@ CONFIG_ARM_THUMB=y # CONFIG_CPU_DCACHE_DISABLE is not set # CONFIG_CPU_BPREDICT_DISABLE is not set CONFIG_OUTER_CACHE=y +CONFIG_OUTER_CACHE_SYNC=y CONFIG_CACHE_L2X0=y CONFIG_ARM_L1_CACHE_SHIFT=5 +CONFIG_ARM_DMA_MEM_BUFFERABLE=y +CONFIG_CPU_HAS_PMU=y # CONFIG_ARM_ERRATA_411920 is not set CONFIG_COMMON_CLKDEV=y @@ -282,8 +336,6 @@ CONFIG_SPLIT_PTLOCK_CPUS=4 # CONFIG_PHYS_ADDR_T_64BIT is not set CONFIG_ZONE_DMA_FLAG=0 CONFIG_VIRT_TO_BUS=y -CONFIG_HAVE_MLOCK=y -CONFIG_HAVE_MLOCKED_PAGE_BIT=y # CONFIG_KSM is not set CONFIG_DEFAULT_MMAP_MIN_ADDR=4096 CONFIG_ALIGNMENT_TRAP=y @@ -328,13 +380,16 @@ CONFIG_HAVE_AOUT=y # CONFIG_PM=y CONFIG_PM_DEBUG=y +# CONFIG_PM_ADVANCED_DEBUG is not set # CONFIG_PM_VERBOSE is not set CONFIG_CAN_PM_TRACE=y CONFIG_PM_SLEEP=y CONFIG_SUSPEND=y +# CONFIG_PM_TEST_SUSPEND is not set CONFIG_SUSPEND_FREEZER=y # CONFIG_APM_EMULATION is not set # CONFIG_PM_RUNTIME is not set +CONFIG_PM_OPS=y CONFIG_ARCH_SUSPEND_POSSIBLE=y CONFIG_NET=y @@ -342,7 +397,6 @@ CONFIG_NET=y # Networking options # CONFIG_PACKET=y -# CONFIG_PACKET_MMAP is not set CONFIG_UNIX=y # CONFIG_NET_KEY is not set CONFIG_INET=y @@ -379,6 +433,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_RDS is not set # CONFIG_TIPC is not set # CONFIG_ATM is not set +# CONFIG_L2TP is not set # CONFIG_BRIDGE is not set # CONFIG_NET_DSA is not set # CONFIG_VLAN_8021Q is not set @@ -404,12 +459,27 @@ CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_IRDA is not set # CONFIG_BT is not set # CONFIG_AF_RXRPC is not set -# CONFIG_WIRELESS is not set +CONFIG_WIRELESS=y +# CONFIG_CFG80211 is not set +# CONFIG_LIB80211 is not set + +# +# CFG80211 needs to be enabled for MAC80211 +# + +# +# Some wireless drivers require a rate control algorithm +# # CONFIG_WIMAX is not set # CONFIG_RFKILL is not set # CONFIG_NET_9P is not set # +# CAIF Support +# +# CONFIG_CAIF is not set + +# # Device Drivers # @@ -446,6 +516,7 @@ CONFIG_MTD_BLOCK=y # CONFIG_INFTL is not set # CONFIG_RFD_FTL is not set # CONFIG_SSFDC is not set +# CONFIG_SM_FTL is not set # CONFIG_MTD_OOPS is not set # @@ -485,6 +556,9 @@ CONFIG_MTD_PHYSMAP=y # # Self-contained MTD device drivers # +# CONFIG_MTD_DATAFLASH is not set +# CONFIG_MTD_M25P80 is not set +# CONFIG_MTD_SST25L is not set # CONFIG_MTD_SLRAM is not set # CONFIG_MTD_PHRAM is not set # CONFIG_MTD_MTDRAM is not set @@ -497,14 +571,18 @@ CONFIG_MTD_PHYSMAP=y # CONFIG_MTD_DOC2001 is not set # CONFIG_MTD_DOC2001PLUS is not set CONFIG_MTD_NAND=y -# CONFIG_MTD_NAND_VERIFY_WRITE is not set +CONFIG_MTD_NAND_ECC=y # CONFIG_MTD_NAND_ECC_SMC is not set +# CONFIG_MTD_NAND_VERIFY_WRITE is not set +# CONFIG_MTD_SM_COMMON is not set # CONFIG_MTD_NAND_MUSEUM_IDS is not set +CONFIG_MTD_NAND_DENALI_SCRATCH_REG_ADDR=0xFF108018 # CONFIG_MTD_NAND_GPIO is not set CONFIG_MTD_NAND_IDS=y # CONFIG_MTD_NAND_DISKONCHIP is not set # CONFIG_MTD_NAND_NANDSIM is not set # CONFIG_MTD_NAND_PLATFORM is not set +# CONFIG_MTD_ALAUDA is not set CONFIG_MTD_NAND_MXC=y # CONFIG_MTD_ONENAND is not set @@ -528,24 +606,31 @@ CONFIG_MTD_UBI_BEB_RESERVE=1 # CONFIG_PARPORT is not set # CONFIG_BLK_DEV is not set CONFIG_MISC_DEVICES=y +# CONFIG_AD525X_DPOT is not set # CONFIG_ICS932S401 is not set # CONFIG_ENCLOSURE_SERVICES is not set # CONFIG_ISL29003 is not set +# CONFIG_SENSORS_TSL2550 is not set +# CONFIG_DS1682 is not set +# CONFIG_TI_DAC7512 is not set # CONFIG_C2PORT is not set # # EEPROM support # CONFIG_EEPROM_AT24=y +# CONFIG_EEPROM_AT25 is not set # CONFIG_EEPROM_LEGACY is not set # CONFIG_EEPROM_MAX6875 is not set # CONFIG_EEPROM_93CX6 is not set +# CONFIG_IWMC3200TOP is not set CONFIG_HAVE_IDE=y # CONFIG_IDE is not set # # SCSI device support # +CONFIG_SCSI_MOD=y # CONFIG_RAID_ATTRS is not set # CONFIG_SCSI is not set # CONFIG_SCSI_DMA is not set @@ -577,6 +662,7 @@ CONFIG_SMSC_PHY=y # CONFIG_NATIONAL_PHY is not set # CONFIG_STE10XP is not set # CONFIG_LSI_ET1011C_PHY is not set +# CONFIG_MICREL_PHY is not set # CONFIG_FIXED_PHY is not set # CONFIG_MDIO_BITBANG is not set CONFIG_NET_ETHERNET=y @@ -584,6 +670,7 @@ CONFIG_MII=y # CONFIG_AX88796 is not set # CONFIG_SMC91X is not set # CONFIG_DM9000 is not set +# CONFIG_ENC28J60 is not set # CONFIG_ETHOC is not set # CONFIG_SMC911X is not set CONFIG_SMSC911X=y @@ -598,18 +685,29 @@ CONFIG_DNET=y # CONFIG_B44 is not set # CONFIG_CS89x0 is not set # CONFIG_KS8842 is not set +# CONFIG_KS8851 is not set # CONFIG_KS8851_MLL is not set CONFIG_FEC=y # CONFIG_FEC2 is not set # CONFIG_NETDEV_1000 is not set # CONFIG_NETDEV_10000 is not set CONFIG_WLAN=y -# CONFIG_WLAN_PRE80211 is not set -# CONFIG_WLAN_80211 is not set +# CONFIG_USB_ZD1201 is not set +# CONFIG_HOSTAP is not set # # Enable WiMAX (Networking options) to see the WiMAX drivers # + +# +# USB Network Adapters +# +# CONFIG_USB_CATC is not set +# CONFIG_USB_KAWETH is not set +# CONFIG_USB_PEGASUS is not set +# CONFIG_USB_RTL8150 is not set +# CONFIG_USB_USBNET is not set +# CONFIG_USB_IPHETH is not set # CONFIG_WAN is not set # CONFIG_PPP is not set # CONFIG_SLIP is not set @@ -622,12 +720,80 @@ CONFIG_WLAN=y # # Input device support # -# CONFIG_INPUT is not set +CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set +# CONFIG_INPUT_POLLDEV is not set +# CONFIG_INPUT_SPARSEKMAP is not set + +# +# Userland interfaces +# +CONFIG_INPUT_MOUSEDEV=y +# CONFIG_INPUT_MOUSEDEV_PSAUX is not set +CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024 +CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 +# CONFIG_INPUT_JOYDEV is not set +CONFIG_INPUT_EVDEV=y +# CONFIG_INPUT_EVBUG is not set + +# +# Input Device Drivers +# +CONFIG_INPUT_KEYBOARD=y +# CONFIG_KEYBOARD_ADP5588 is not set +CONFIG_KEYBOARD_ATKBD=y +# CONFIG_QT2160 is not set +# CONFIG_KEYBOARD_LKKBD is not set +# CONFIG_KEYBOARD_GPIO is not set +# CONFIG_KEYBOARD_TCA6416 is not set +# CONFIG_KEYBOARD_MATRIX is not set +# CONFIG_KEYBOARD_LM8323 is not set +# CONFIG_KEYBOARD_MAX7359 is not set +# CONFIG_KEYBOARD_IMX is not set +# CONFIG_KEYBOARD_NEWTON is not set +# CONFIG_KEYBOARD_OPENCORES is not set +# CONFIG_KEYBOARD_STOWAWAY is not set +# CONFIG_KEYBOARD_SUNKBD is not set +# CONFIG_KEYBOARD_XTKBD is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TABLET is not set +CONFIG_INPUT_TOUCHSCREEN=y +# CONFIG_TOUCHSCREEN_ADS7846 is not set +# CONFIG_TOUCHSCREEN_AD7877 is not set +# CONFIG_TOUCHSCREEN_AD7879_I2C is not set +# CONFIG_TOUCHSCREEN_AD7879_SPI is not set +# CONFIG_TOUCHSCREEN_AD7879 is not set +# CONFIG_TOUCHSCREEN_DYNAPRO is not set +# CONFIG_TOUCHSCREEN_HAMPSHIRE is not set +# CONFIG_TOUCHSCREEN_EETI is not set +# CONFIG_TOUCHSCREEN_FUJITSU is not set +# CONFIG_TOUCHSCREEN_GUNZE is not set +# CONFIG_TOUCHSCREEN_ELO is not set +# CONFIG_TOUCHSCREEN_WACOM_W8001 is not set +# CONFIG_TOUCHSCREEN_MCS5000 is not set +# CONFIG_TOUCHSCREEN_MTOUCH is not set +# CONFIG_TOUCHSCREEN_INEXIO is not set +# CONFIG_TOUCHSCREEN_MK712 is not set +# CONFIG_TOUCHSCREEN_PENMOUNT is not set +# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set +# CONFIG_TOUCHSCREEN_TOUCHWIN is not set +# CONFIG_TOUCHSCREEN_WM97XX is not set +# CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set +CONFIG_TOUCHSCREEN_MC13783=y +# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set +# CONFIG_TOUCHSCREEN_TSC2007 is not set +# CONFIG_TOUCHSCREEN_W90X900 is not set +# CONFIG_INPUT_MISC is not set # # Hardware I/O ports # -# CONFIG_SERIO is not set +CONFIG_SERIO=y +CONFIG_SERIO_SERPORT=y +CONFIG_SERIO_LIBPS2=y +# CONFIG_SERIO_RAW is not set +# CONFIG_SERIO_ALTERA_PS2 is not set # CONFIG_GAMEPORT is not set # @@ -636,6 +802,7 @@ CONFIG_WLAN=y # CONFIG_VT is not set CONFIG_DEVKMEM=y # CONFIG_SERIAL_NONSTANDARD is not set +# CONFIG_N_GSM is not set # # Serial drivers @@ -652,10 +819,14 @@ CONFIG_SERIAL_8250_SHARE_IRQ=y # # Non-8250 serial port support # +# CONFIG_SERIAL_MAX3100 is not set CONFIG_SERIAL_IMX=y CONFIG_SERIAL_IMX_CONSOLE=y CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y +# CONFIG_SERIAL_TIMBERDALE is not set +# CONFIG_SERIAL_ALTERA_JTAGUART is not set +# CONFIG_SERIAL_ALTERA_UART is not set CONFIG_UNIX98_PTYS=y # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set # CONFIG_LEGACY_PTYS is not set @@ -682,29 +853,40 @@ CONFIG_I2C_HELPER_AUTO=y CONFIG_I2C_IMX=y # CONFIG_I2C_OCORES is not set # CONFIG_I2C_SIMTEC is not set +# CONFIG_I2C_XILINX is not set # # External I2C/SMBus adapter drivers # # CONFIG_I2C_PARPORT_LIGHT is not set # CONFIG_I2C_TAOS_EVM is not set +# CONFIG_I2C_TINY_USB is not set # # Other I2C/SMBus bus drivers # # CONFIG_I2C_PCA_PLATFORM is not set # CONFIG_I2C_STUB is not set - -# -# Miscellaneous I2C Chip support -# -# CONFIG_DS1682 is not set -# CONFIG_SENSORS_TSL2550 is not set # CONFIG_I2C_DEBUG_CORE is not set # CONFIG_I2C_DEBUG_ALGO is not set # CONFIG_I2C_DEBUG_BUS is not set -# CONFIG_I2C_DEBUG_CHIP is not set -# CONFIG_SPI is not set +CONFIG_SPI=y +CONFIG_SPI_MASTER=y + +# +# SPI Master Controller Drivers +# +CONFIG_SPI_BITBANG=y +CONFIG_SPI_GPIO=y +CONFIG_SPI_IMX=y +# CONFIG_SPI_XILINX is not set +# CONFIG_SPI_DESIGNWARE is not set + +# +# SPI Protocol Masters +# +# CONFIG_SPI_SPIDEV is not set +# CONFIG_SPI_TLE62X0 is not set # # PPS support @@ -717,13 +899,17 @@ CONFIG_GPIOLIB=y # # Memory mapped GPIO expanders: # +# CONFIG_GPIO_IT8761E is not set # # I2C GPIO expanders: # +# CONFIG_GPIO_MAX7300 is not set # CONFIG_GPIO_MAX732X is not set # CONFIG_GPIO_PCA953X is not set # CONFIG_GPIO_PCF857X is not set +# CONFIG_GPIO_WM8350 is not set +# CONFIG_GPIO_ADP5588 is not set # # PCI GPIO expanders: @@ -732,6 +918,9 @@ CONFIG_GPIOLIB=y # # SPI GPIO expanders: # +# CONFIG_GPIO_MAX7301 is not set +# CONFIG_GPIO_MCP23S08 is not set +# CONFIG_GPIO_MC33880 is not set # # AC97 GPIO expanders: @@ -741,6 +930,7 @@ CONFIG_W1=y # # 1-wire Bus Masters # +# CONFIG_W1_MASTER_DS2490 is not set # CONFIG_W1_MASTER_DS2482 is not set CONFIG_W1_MASTER_MXC=y # CONFIG_W1_MASTER_DS1WM is not set @@ -755,7 +945,15 @@ CONFIG_W1_SLAVE_THERM=y # CONFIG_W1_SLAVE_DS2433 is not set # CONFIG_W1_SLAVE_DS2760 is not set # CONFIG_W1_SLAVE_BQ27000 is not set -# CONFIG_POWER_SUPPLY is not set +CONFIG_POWER_SUPPLY=y +# CONFIG_POWER_SUPPLY_DEBUG is not set +# CONFIG_PDA_POWER is not set +# CONFIG_WM8350_POWER is not set +# CONFIG_TEST_POWER is not set +# CONFIG_BATTERY_DS2760 is not set +# CONFIG_BATTERY_DS2782 is not set +# CONFIG_BATTERY_BQ27x00 is not set +# CONFIG_BATTERY_MAX17040 is not set # CONFIG_HWMON is not set # CONFIG_THERMAL is not set # CONFIG_WATCHDOG is not set @@ -769,11 +967,14 @@ CONFIG_SSB_POSSIBLE=y # # Multifunction device drivers # -# CONFIG_MFD_CORE is not set +CONFIG_MFD_CORE=y +# CONFIG_MFD_88PM860X is not set # CONFIG_MFD_SM501 is not set # CONFIG_MFD_ASIC3 is not set # CONFIG_HTC_EGPIO is not set # CONFIG_HTC_PASIC3 is not set +# CONFIG_HTC_I2CPLD is not set +# CONFIG_UCB1400_CORE is not set # CONFIG_TPS65010 is not set # CONFIG_TWL4030_CORE is not set # CONFIG_MFD_TMIO is not set @@ -781,23 +982,33 @@ CONFIG_SSB_POSSIBLE=y # CONFIG_MFD_TC6387XB is not set # CONFIG_MFD_TC6393XB is not set # CONFIG_PMIC_DA903X is not set +# CONFIG_PMIC_ADP5520 is not set +# CONFIG_MFD_MAX8925 is not set # CONFIG_MFD_WM8400 is not set # CONFIG_MFD_WM831X is not set CONFIG_MFD_WM8350=y CONFIG_MFD_WM8350_CONFIG_MODE_0=y CONFIG_MFD_WM8352_CONFIG_MODE_0=y CONFIG_MFD_WM8350_I2C=y +# CONFIG_MFD_WM8994 is not set # CONFIG_MFD_PCF50633 is not set +CONFIG_MFD_MC13783=y # CONFIG_AB3100_CORE is not set +# CONFIG_EZX_PCAP is not set +# CONFIG_AB4500_CORE is not set CONFIG_REGULATOR=y # CONFIG_REGULATOR_DEBUG is not set +# CONFIG_REGULATOR_DUMMY is not set # CONFIG_REGULATOR_FIXED_VOLTAGE is not set # CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set # CONFIG_REGULATOR_USERSPACE_CONSUMER is not set # CONFIG_REGULATOR_BQ24022 is not set # CONFIG_REGULATOR_MAX1586 is not set +# CONFIG_REGULATOR_MAX8649 is not set +# CONFIG_REGULATOR_MAX8660 is not set CONFIG_REGULATOR_WM8350=y # CONFIG_REGULATOR_LP3971 is not set +# CONFIG_REGULATOR_MC13783 is not set # CONFIG_REGULATOR_TPS65023 is not set # CONFIG_REGULATOR_TPS6507X is not set CONFIG_MEDIA_SUPPORT=y @@ -815,6 +1026,15 @@ CONFIG_VIDEO_MEDIA=y # # Multimedia drivers # +CONFIG_IR_CORE=y +CONFIG_VIDEO_IR=y +CONFIG_RC_MAP=y +CONFIG_IR_NEC_DECODER=y +CONFIG_IR_RC5_DECODER=y +CONFIG_IR_RC6_DECODER=y +CONFIG_IR_JVC_DECODER=y +CONFIG_IR_SONY_DECODER=y +# CONFIG_IR_IMON is not set # CONFIG_MEDIA_ATTACH is not set CONFIG_MEDIA_TUNER=y # CONFIG_MEDIA_TUNER_CUSTOMISE is not set @@ -834,20 +1054,75 @@ CONFIG_VIDEO_CAPTURE_DRIVERS=y # CONFIG_VIDEO_ADV_DEBUG is not set # CONFIG_VIDEO_FIXED_MINOR_RANGES is not set CONFIG_VIDEO_HELPER_CHIPS_AUTO=y -# CONFIG_VIDEO_VIVI is not set +CONFIG_VIDEO_IR_I2C=y # CONFIG_VIDEO_SAA5246A is not set # CONFIG_VIDEO_SAA5249 is not set CONFIG_SOC_CAMERA=y CONFIG_SOC_CAMERA_MT9M001=y CONFIG_SOC_CAMERA_MT9M111=y CONFIG_SOC_CAMERA_MT9T031=y +# CONFIG_SOC_CAMERA_MT9T112 is not set CONFIG_SOC_CAMERA_MT9V022=y +# CONFIG_SOC_CAMERA_RJ54N1 is not set CONFIG_SOC_CAMERA_TW9910=y # CONFIG_SOC_CAMERA_PLATFORM is not set CONFIG_SOC_CAMERA_OV772X=y +# CONFIG_SOC_CAMERA_OV9640 is not set CONFIG_MX3_VIDEO=y CONFIG_VIDEO_MX3=y # CONFIG_VIDEO_SH_MOBILE_CEU is not set +CONFIG_V4L_USB_DRIVERS=y +# CONFIG_USB_VIDEO_CLASS is not set +CONFIG_USB_VIDEO_CLASS_INPUT_EVDEV=y +CONFIG_USB_GSPCA=m +# CONFIG_USB_M5602 is not set +# CONFIG_USB_STV06XX is not set +# CONFIG_USB_GL860 is not set +# CONFIG_USB_GSPCA_BENQ is not set +# CONFIG_USB_GSPCA_CONEX is not set +# CONFIG_USB_GSPCA_CPIA1 is not set +# CONFIG_USB_GSPCA_ETOMS is not set +# CONFIG_USB_GSPCA_FINEPIX is not set +# CONFIG_USB_GSPCA_JEILINJ is not set +# CONFIG_USB_GSPCA_MARS is not set +# CONFIG_USB_GSPCA_MR97310A is not set +# CONFIG_USB_GSPCA_OV519 is not set +# CONFIG_USB_GSPCA_OV534 is not set +# CONFIG_USB_GSPCA_OV534_9 is not set +# CONFIG_USB_GSPCA_PAC207 is not set +# CONFIG_USB_GSPCA_PAC7302 is not set +# CONFIG_USB_GSPCA_PAC7311 is not set +# CONFIG_USB_GSPCA_SN9C2028 is not set +# CONFIG_USB_GSPCA_SN9C20X is not set +# CONFIG_USB_GSPCA_SONIXB is not set +# CONFIG_USB_GSPCA_SONIXJ is not set +# CONFIG_USB_GSPCA_SPCA500 is not set +# CONFIG_USB_GSPCA_SPCA501 is not set +# CONFIG_USB_GSPCA_SPCA505 is not set +# CONFIG_USB_GSPCA_SPCA506 is not set +# CONFIG_USB_GSPCA_SPCA508 is not set +# CONFIG_USB_GSPCA_SPCA561 is not set +# CONFIG_USB_GSPCA_SQ905 is not set +# CONFIG_USB_GSPCA_SQ905C is not set +# CONFIG_USB_GSPCA_STK014 is not set +# CONFIG_USB_GSPCA_STV0680 is not set +# CONFIG_USB_GSPCA_SUNPLUS is not set +# CONFIG_USB_GSPCA_T613 is not set +# CONFIG_USB_GSPCA_TV8532 is not set +# CONFIG_USB_GSPCA_VC032X is not set +# CONFIG_USB_GSPCA_ZC3XX is not set +# CONFIG_VIDEO_PVRUSB2 is not set +# CONFIG_VIDEO_HDPVR is not set +# CONFIG_VIDEO_EM28XX is not set +# CONFIG_VIDEO_CX231XX is not set +# CONFIG_VIDEO_USBVISION is not set +# CONFIG_USB_ET61X251 is not set +# CONFIG_USB_SN9C102 is not set +# CONFIG_USB_ZC0301 is not set +# CONFIG_USB_ZR364XX is not set +# CONFIG_USB_STKWEBCAM is not set +# CONFIG_USB_S2255 is not set +# CONFIG_V4L_MEM2MEM_DRIVERS is not set # CONFIG_RADIO_ADAPTERS is not set # CONFIG_DAB is not set @@ -879,6 +1154,7 @@ CONFIG_FB_CFB_IMAGEBLIT=y # Frame buffer hardware drivers # # CONFIG_FB_S1D13XXX is not set +# CONFIG_FB_TMIO is not set # CONFIG_FB_VIRTUAL is not set # CONFIG_FB_METRONOME is not set # CONFIG_FB_MB862XX is not set @@ -891,8 +1167,193 @@ CONFIG_FB_MX3=y # # CONFIG_DISPLAY_SUPPORT is not set # CONFIG_LOGO is not set -# CONFIG_SOUND is not set -# CONFIG_USB_SUPPORT is not set +CONFIG_SOUND=y +# CONFIG_SOUND_OSS_CORE is not set +CONFIG_SND=y +CONFIG_SND_TIMER=y +CONFIG_SND_PCM=y +CONFIG_SND_JACK=y +# CONFIG_SND_SEQUENCER is not set +# CONFIG_SND_MIXER_OSS is not set +# CONFIG_SND_PCM_OSS is not set +# CONFIG_SND_HRTIMER is not set +# CONFIG_SND_DYNAMIC_MINORS is not set +CONFIG_SND_SUPPORT_OLD_API=y +CONFIG_SND_VERBOSE_PROCFS=y +# CONFIG_SND_VERBOSE_PRINTK is not set +# CONFIG_SND_DEBUG is not set +# CONFIG_SND_RAWMIDI_SEQ is not set +# CONFIG_SND_OPL3_LIB_SEQ is not set +# CONFIG_SND_OPL4_LIB_SEQ is not set +# CONFIG_SND_SBAWE_SEQ is not set +# CONFIG_SND_EMU10K1_SEQ is not set +CONFIG_SND_DRIVERS=y +# CONFIG_SND_DUMMY is not set +# CONFIG_SND_MTPAV is not set +# CONFIG_SND_SERIAL_U16550 is not set +# CONFIG_SND_MPU401 is not set +CONFIG_SND_ARM=y +CONFIG_SND_SPI=y +CONFIG_SND_USB=y +# CONFIG_SND_USB_AUDIO is not set +# CONFIG_SND_USB_UA101 is not set +# CONFIG_SND_USB_CAIAQ is not set +CONFIG_SND_SOC=y +CONFIG_SND_SOC_AC97_BUS=y +CONFIG_SND_IMX_SOC=y +CONFIG_SND_MXC_SOC_SSI=y +CONFIG_SND_MXC_SOC_WM1133_EV1=y +CONFIG_SND_SOC_I2C_AND_SPI=y +# CONFIG_SND_SOC_ALL_CODECS is not set +CONFIG_SND_SOC_WM8350=y +# CONFIG_SOUND_PRIME is not set +CONFIG_AC97_BUS=y +CONFIG_HID_SUPPORT=y +CONFIG_HID=y +# CONFIG_HIDRAW is not set + +# +# USB Input Devices +# +CONFIG_USB_HID=y +# CONFIG_HID_PID is not set +# CONFIG_USB_HIDDEV is not set + +# +# Special HID drivers +# +# CONFIG_HID_3M_PCT is not set +# CONFIG_HID_A4TECH is not set +# CONFIG_HID_APPLE is not set +# CONFIG_HID_BELKIN is not set +# CONFIG_HID_CANDO is not set +# CONFIG_HID_CHERRY is not set +# CONFIG_HID_CHICONY is not set +# CONFIG_HID_PRODIKEYS is not set +# CONFIG_HID_CYPRESS is not set +# CONFIG_HID_DRAGONRISE is not set +# CONFIG_HID_EGALAX is not set +# CONFIG_HID_EZKEY is not set +# CONFIG_HID_KYE is not set +# CONFIG_HID_GYRATION is not set +# CONFIG_HID_TWINHAN is not set +# CONFIG_HID_KENSINGTON is not set +# CONFIG_HID_LOGITECH is not set +# CONFIG_HID_MICROSOFT is not set +# CONFIG_HID_MOSART is not set +# CONFIG_HID_MONTEREY is not set +# CONFIG_HID_NTRIG is not set +# CONFIG_HID_ORTEK is not set +# CONFIG_HID_PANTHERLORD is not set +# CONFIG_HID_PETALYNX is not set +# CONFIG_HID_PICOLCD is not set +# CONFIG_HID_QUANTA is not set +# CONFIG_HID_ROCCAT_KONE is not set +# CONFIG_HID_SAMSUNG is not set +# CONFIG_HID_SONY is not set +# CONFIG_HID_STANTUM is not set +# CONFIG_HID_SUNPLUS is not set +# CONFIG_HID_GREENASIA is not set +# CONFIG_HID_SMARTJOYPLUS is not set +# CONFIG_HID_TOPSEED is not set +# CONFIG_HID_THRUSTMASTER is not set +# CONFIG_HID_ZEROPLUS is not set +# CONFIG_HID_ZYDACRON is not set +CONFIG_USB_SUPPORT=y +CONFIG_USB_ARCH_HAS_HCD=y +# CONFIG_USB_ARCH_HAS_OHCI is not set +CONFIG_USB_ARCH_HAS_EHCI=y +CONFIG_USB=y +# CONFIG_USB_DEBUG is not set +# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set + +# +# Miscellaneous USB options +# +# CONFIG_USB_DEVICEFS is not set +CONFIG_USB_DEVICE_CLASS=y +# CONFIG_USB_DYNAMIC_MINORS is not set +# CONFIG_USB_OTG_WHITELIST is not set +# CONFIG_USB_OTG_BLACKLIST_HUB is not set +# CONFIG_USB_MON is not set +# CONFIG_USB_WUSB is not set +# CONFIG_USB_WUSB_CBAF is not set + +# +# USB Host Controller Drivers +# +# CONFIG_USB_C67X00_HCD is not set +CONFIG_USB_EHCI_HCD=y +CONFIG_USB_EHCI_ROOT_HUB_TT=y +# CONFIG_USB_EHCI_TT_NEWSCHED is not set +CONFIG_USB_EHCI_MXC=y +# CONFIG_USB_OXU210HP_HCD is not set +# CONFIG_USB_ISP116X_HCD is not set +# CONFIG_USB_ISP1760_HCD is not set +# CONFIG_USB_ISP1362_HCD is not set +# CONFIG_USB_SL811_HCD is not set +# CONFIG_USB_R8A66597_HCD is not set +# CONFIG_USB_HWA_HCD is not set +# CONFIG_USB_MUSB_HDRC is not set + +# +# USB Device Class drivers +# +# CONFIG_USB_ACM is not set +# CONFIG_USB_PRINTER is not set +# CONFIG_USB_WDM is not set +# CONFIG_USB_TMC is not set + +# +# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may +# + +# +# also be needed; see USB_STORAGE Help for more info +# +# CONFIG_USB_LIBUSUAL is not set + +# +# USB Imaging devices +# +# CONFIG_USB_MDC800 is not set + +# +# USB port drivers +# +# CONFIG_USB_SERIAL is not set + +# +# USB Miscellaneous drivers +# +# CONFIG_USB_EMI62 is not set +# CONFIG_USB_EMI26 is not set +# CONFIG_USB_ADUTUX is not set +# CONFIG_USB_SEVSEG is not set +# CONFIG_USB_RIO500 is not set +# CONFIG_USB_LEGOTOWER is not set +# CONFIG_USB_LCD is not set +# CONFIG_USB_LED is not set +# CONFIG_USB_CYPRESS_CY7C63 is not set +# CONFIG_USB_CYTHERM is not set +# CONFIG_USB_IDMOUSE is not set +# CONFIG_USB_FTDI_ELAN is not set +# CONFIG_USB_APPLEDISPLAY is not set +# CONFIG_USB_SISUSBVGA is not set +# CONFIG_USB_LD is not set +# CONFIG_USB_TRANCEVIBRATOR is not set +# CONFIG_USB_IOWARRIOR is not set +# CONFIG_USB_TEST is not set +# CONFIG_USB_ISIGHTFW is not set +# CONFIG_USB_GADGET is not set + +# +# OTG and related infrastructure +# +CONFIG_USB_OTG_UTILS=y +# CONFIG_USB_GPIO_VBUS is not set +CONFIG_USB_ULPI=y +# CONFIG_NOP_USB_XCEIV is not set CONFIG_MMC=y # CONFIG_MMC_DEBUG is not set # CONFIG_MMC_UNSAFE_RESUME is not set @@ -909,21 +1370,119 @@ CONFIG_MMC_BLOCK_BOUNCE=y # MMC/SD/SDIO Host Controller Drivers # # CONFIG_MMC_SDHCI is not set -# CONFIG_MMC_AT91 is not set -# CONFIG_MMC_ATMELMCI is not set CONFIG_MMC_MXC=y +# CONFIG_MMC_SPI is not set # CONFIG_MEMSTICK is not set -# CONFIG_NEW_LEDS is not set +CONFIG_NEW_LEDS=y +CONFIG_LEDS_CLASS=y + +# +# LED drivers +# +# CONFIG_LEDS_PCA9532 is not set +CONFIG_LEDS_GPIO=y +CONFIG_LEDS_GPIO_PLATFORM=y +# CONFIG_LEDS_LP3944 is not set +# CONFIG_LEDS_PCA955X is not set +# CONFIG_LEDS_WM8350 is not set +# CONFIG_LEDS_DAC124S085 is not set +# CONFIG_LEDS_PWM is not set +CONFIG_LEDS_REGULATOR=y +# CONFIG_LEDS_BD2802 is not set +# CONFIG_LEDS_LT3593 is not set +CONFIG_LEDS_TRIGGERS=y + +# +# LED Triggers +# +# CONFIG_LEDS_TRIGGER_TIMER is not set +# CONFIG_LEDS_TRIGGER_HEARTBEAT is not set +# CONFIG_LEDS_TRIGGER_BACKLIGHT is not set +# CONFIG_LEDS_TRIGGER_GPIO is not set +# CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set + +# +# iptables trigger is under Netfilter config (LED target) +# # CONFIG_ACCESSIBILITY is not set CONFIG_RTC_LIB=y -# CONFIG_RTC_CLASS is not set +CONFIG_RTC_CLASS=y +CONFIG_RTC_HCTOSYS=y +CONFIG_RTC_HCTOSYS_DEVICE="rtc0" +# CONFIG_RTC_DEBUG is not set + +# +# RTC interfaces +# +CONFIG_RTC_INTF_SYSFS=y +CONFIG_RTC_INTF_PROC=y +CONFIG_RTC_INTF_DEV=y +# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set +# CONFIG_RTC_DRV_TEST is not set + +# +# I2C RTC drivers +# +# CONFIG_RTC_DRV_DS1307 is not set +# CONFIG_RTC_DRV_DS1374 is not set +# CONFIG_RTC_DRV_DS1672 is not set +# CONFIG_RTC_DRV_MAX6900 is not set +# CONFIG_RTC_DRV_RS5C372 is not set +# CONFIG_RTC_DRV_ISL1208 is not set +# CONFIG_RTC_DRV_X1205 is not set +# CONFIG_RTC_DRV_PCF8563 is not set +# CONFIG_RTC_DRV_PCF8583 is not set +# CONFIG_RTC_DRV_M41T80 is not set +# CONFIG_RTC_DRV_BQ32K is not set +# CONFIG_RTC_DRV_S35390A is not set +# CONFIG_RTC_DRV_FM3130 is not set +# CONFIG_RTC_DRV_RX8581 is not set +# CONFIG_RTC_DRV_RX8025 is not set + +# +# SPI RTC drivers +# +# CONFIG_RTC_DRV_M41T94 is not set +# CONFIG_RTC_DRV_DS1305 is not set +# CONFIG_RTC_DRV_DS1390 is not set +# CONFIG_RTC_DRV_MAX6902 is not set +# CONFIG_RTC_DRV_R9701 is not set +# CONFIG_RTC_DRV_RS5C348 is not set +# CONFIG_RTC_DRV_DS3234 is not set +# CONFIG_RTC_DRV_PCF2123 is not set + +# +# Platform RTC drivers +# +# CONFIG_RTC_DRV_CMOS is not set +# CONFIG_RTC_DRV_DS1286 is not set +# CONFIG_RTC_DRV_DS1511 is not set +# CONFIG_RTC_DRV_DS1553 is not set +# CONFIG_RTC_DRV_DS1742 is not set +# CONFIG_RTC_DRV_STK17TA8 is not set +# CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_M48T35 is not set +# CONFIG_RTC_DRV_M48T59 is not set +# CONFIG_RTC_DRV_MSM6242 is not set +# CONFIG_RTC_MXC is not set +# CONFIG_RTC_DRV_BQ4802 is not set +# CONFIG_RTC_DRV_RP5C01 is not set +# CONFIG_RTC_DRV_V3020 is not set +# CONFIG_RTC_DRV_WM8350 is not set + +# +# on-CPU RTC drivers +# +CONFIG_RTC_DRV_MC13783=y CONFIG_DMADEVICES=y +# CONFIG_DMADEVICES_DEBUG is not set # # DMA Devices # CONFIG_MX3_IPU=y CONFIG_MX3_IPU_IRQS=4 +# CONFIG_TIMB_DMA is not set CONFIG_DMA_ENGINE=y # @@ -934,10 +1493,6 @@ CONFIG_DMA_ENGINE=y # CONFIG_DMATEST is not set # CONFIG_AUXDISPLAY is not set # CONFIG_UIO is not set - -# -# TI VLYNQ -# # CONFIG_STAGING is not set # @@ -1018,6 +1573,7 @@ CONFIG_UBIFS_FS=y CONFIG_UBIFS_FS_LZO=y CONFIG_UBIFS_FS_ZLIB=y # CONFIG_UBIFS_FS_DEBUG is not set +# CONFIG_LOGFS is not set # CONFIG_CRAMFS is not set # CONFIG_SQUASHFS is not set # CONFIG_VXFS_FS is not set @@ -1044,6 +1600,7 @@ CONFIG_SUNRPC_GSS=y CONFIG_RPCSEC_GSS_KRB5=y # CONFIG_RPCSEC_GSS_SPKM3 is not set # CONFIG_SMB_FS is not set +# CONFIG_CEPH_FS is not set # CONFIG_CIFS is not set # CONFIG_NCP_FS is not set # CONFIG_CODA_FS is not set @@ -1054,13 +1611,52 @@ CONFIG_RPCSEC_GSS_KRB5=y # # CONFIG_PARTITION_ADVANCED is not set CONFIG_MSDOS_PARTITION=y -# CONFIG_NLS is not set +CONFIG_NLS=y +CONFIG_NLS_DEFAULT="iso8859-1" +# CONFIG_NLS_CODEPAGE_437 is not set +# CONFIG_NLS_CODEPAGE_737 is not set +# CONFIG_NLS_CODEPAGE_775 is not set +# CONFIG_NLS_CODEPAGE_850 is not set +# CONFIG_NLS_CODEPAGE_852 is not set +# CONFIG_NLS_CODEPAGE_855 is not set +# CONFIG_NLS_CODEPAGE_857 is not set +# CONFIG_NLS_CODEPAGE_860 is not set +# CONFIG_NLS_CODEPAGE_861 is not set +# CONFIG_NLS_CODEPAGE_862 is not set +# CONFIG_NLS_CODEPAGE_863 is not set +# CONFIG_NLS_CODEPAGE_864 is not set +# CONFIG_NLS_CODEPAGE_865 is not set +# CONFIG_NLS_CODEPAGE_866 is not set +# CONFIG_NLS_CODEPAGE_869 is not set +# CONFIG_NLS_CODEPAGE_936 is not set +# CONFIG_NLS_CODEPAGE_950 is not set +# CONFIG_NLS_CODEPAGE_932 is not set +# CONFIG_NLS_CODEPAGE_949 is not set +# CONFIG_NLS_CODEPAGE_874 is not set +# CONFIG_NLS_ISO8859_8 is not set +# CONFIG_NLS_CODEPAGE_1250 is not set +# CONFIG_NLS_CODEPAGE_1251 is not set +# CONFIG_NLS_ASCII is not set +# CONFIG_NLS_ISO8859_1 is not set +# CONFIG_NLS_ISO8859_2 is not set +# CONFIG_NLS_ISO8859_3 is not set +# CONFIG_NLS_ISO8859_4 is not set +# CONFIG_NLS_ISO8859_5 is not set +# CONFIG_NLS_ISO8859_6 is not set +# CONFIG_NLS_ISO8859_7 is not set +# CONFIG_NLS_ISO8859_9 is not set +# CONFIG_NLS_ISO8859_13 is not set +# CONFIG_NLS_ISO8859_14 is not set +# CONFIG_NLS_ISO8859_15 is not set +# CONFIG_NLS_KOI8_R is not set +# CONFIG_NLS_KOI8_U is not set +# CONFIG_NLS_UTF8 is not set # CONFIG_DLM is not set # # Kernel hacking # -# CONFIG_PRINTK_TIME is not set +CONFIG_PRINTK_TIME=y # CONFIG_ENABLE_WARN_DEPRECATED is not set # CONFIG_ENABLE_MUST_CHECK is not set CONFIG_FRAME_WARN=1024 @@ -1070,7 +1666,7 @@ CONFIG_FRAME_WARN=1024 # CONFIG_DEBUG_FS is not set # CONFIG_HEADERS_CHECK is not set # CONFIG_DEBUG_KERNEL is not set -# CONFIG_DEBUG_BUGVERBOSE is not set +CONFIG_DEBUG_BUGVERBOSE=y # CONFIG_DEBUG_MEMORY_INIT is not set # CONFIG_RCU_CPU_STALL_DETECTOR is not set # CONFIG_LATENCYTOP is not set @@ -1078,10 +1674,12 @@ CONFIG_SYSCTL_SYSCALL_CHECK=y CONFIG_HAVE_FUNCTION_TRACER=y CONFIG_TRACING_SUPPORT=y # CONFIG_FTRACE is not set +# CONFIG_ATOMIC64_SELFTEST is not set # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y CONFIG_ARM_UNWIND=y # CONFIG_DEBUG_USER is not set +# CONFIG_OC_ETM is not set # # Security options @@ -1089,7 +1687,11 @@ CONFIG_ARM_UNWIND=y # CONFIG_KEYS is not set # CONFIG_SECURITY is not set # CONFIG_SECURITYFS is not set -# CONFIG_SECURITY_FILE_CAPABILITIES is not set +# CONFIG_DEFAULT_SECURITY_SELINUX is not set +# CONFIG_DEFAULT_SECURITY_SMACK is not set +# CONFIG_DEFAULT_SECURITY_TOMOYO is not set +CONFIG_DEFAULT_SECURITY_DAC=y +CONFIG_DEFAULT_SECURITY="" CONFIG_CRYPTO=y # @@ -1210,3 +1812,4 @@ CONFIG_HAS_IOMEM=y CONFIG_HAS_IOPORT=y CONFIG_HAS_DMA=y CONFIG_NLATTR=y +CONFIG_GENERIC_ATOMIC64=y diff --git a/arch/arm/configs/s3c2410_defconfig b/arch/arm/configs/s3c2410_defconfig index 43af89c027d9..44cea2ddd22b 100644 --- a/arch/arm/configs/s3c2410_defconfig +++ b/arch/arm/configs/s3c2410_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.34 -# Wed May 26 19:04:29 2010 +# Fri May 28 19:15:48 2010 # CONFIG_ARM=y CONFIG_HAVE_PWM=y @@ -250,12 +250,15 @@ CONFIG_S3C_BOOT_UART_FORCE_FIFO=y CONFIG_S3C_LOWLEVEL_UART_PORT=0 CONFIG_SAMSUNG_CLKSRC=y CONFIG_S3C_GPIO_CFG_S3C24XX=y +CONFIG_S3C_GPIO_PULL_UPDOWN=y CONFIG_S3C_GPIO_PULL_UP=y CONFIG_SAMSUNG_GPIO_EXTRA=0 CONFIG_S3C_GPIO_SPACE=0 CONFIG_S3C_ADC=y CONFIG_S3C_DEV_HSMMC=y +CONFIG_S3C_DEV_HSMMC1=y CONFIG_S3C_DEV_HWMON=y +CONFIG_S3C_DEV_FB=y CONFIG_S3C_DEV_USB_HOST=y CONFIG_S3C_DEV_WDT=y CONFIG_S3C_DEV_NAND=y @@ -322,11 +325,13 @@ CONFIG_MACH_SMDK2413=y CONFIG_MACH_S3C2413=y CONFIG_MACH_SMDK2412=y CONFIG_MACH_VSTMS=y +CONFIG_CPU_S3C2416=y +CONFIG_S3C2416_DMA=y # # S3C2416 Machines # -# CONFIG_MACH_SMDK2416 is not set +CONFIG_MACH_SMDK2416=y CONFIG_CPU_S3C2440=y CONFIG_CPU_S3C2442=y CONFIG_CPU_S3C244X=y @@ -338,9 +343,9 @@ CONFIG_S3C2440_DMA=y # S3C2440 and S3C2442 Machines # CONFIG_MACH_ANUBIS=y -# CONFIG_MACH_NEO1973_GTA02 is not set +CONFIG_MACH_NEO1973_GTA02=y CONFIG_MACH_OSIRIS=y -# CONFIG_MACH_OSIRIS_DVS is not set +CONFIG_MACH_OSIRIS_DVS=m CONFIG_MACH_RX3715=y CONFIG_ARCH_S3C2440=y CONFIG_MACH_NEXCODER_2440=y @@ -348,7 +353,7 @@ CONFIG_SMDK2440_CPU2440=y CONFIG_SMDK2440_CPU2442=y CONFIG_MACH_AT2440EVB=y CONFIG_MACH_MINI2440=y -# CONFIG_MACH_RX1950 is not set +CONFIG_MACH_RX1950=y CONFIG_CPU_S3C2443=y CONFIG_S3C2443_DMA=y @@ -1302,6 +1307,7 @@ CONFIG_INPUT_POWERMATE=m CONFIG_INPUT_YEALINK=m CONFIG_INPUT_CM109=m CONFIG_INPUT_UINPUT=m +# CONFIG_INPUT_PCF50633_PMU is not set # CONFIG_INPUT_PCF8574 is not set CONFIG_INPUT_GPIO_ROTARY_ENCODER=m @@ -1490,7 +1496,16 @@ CONFIG_GPIOLIB=y # AC97 GPIO expanders: # # CONFIG_W1 is not set -# CONFIG_POWER_SUPPLY is not set +CONFIG_POWER_SUPPLY=y +# CONFIG_POWER_SUPPLY_DEBUG is not set +# CONFIG_PDA_POWER is not set +# CONFIG_APM_POWER is not set +# CONFIG_TEST_POWER is not set +# CONFIG_BATTERY_DS2760 is not set +# CONFIG_BATTERY_DS2782 is not set +# CONFIG_BATTERY_BQ27x00 is not set +# CONFIG_BATTERY_MAX17040 is not set +# CONFIG_CHARGER_PCF50633 is not set CONFIG_HWMON=y CONFIG_HWMON_VID=m # CONFIG_HWMON_DEBUG_CHIP is not set @@ -1607,7 +1622,7 @@ CONFIG_MFD_SM501=y # CONFIG_HTC_PASIC3 is not set # CONFIG_HTC_I2CPLD is not set # CONFIG_UCB1400_CORE is not set -# CONFIG_TPS65010 is not set +CONFIG_TPS65010=m # CONFIG_TWL4030_CORE is not set # CONFIG_MFD_TMIO is not set # CONFIG_MFD_T7L66XB is not set @@ -1620,8 +1635,10 @@ CONFIG_MFD_SM501=y # CONFIG_MFD_WM831X is not set # CONFIG_MFD_WM8350_I2C is not set # CONFIG_MFD_WM8994 is not set -# CONFIG_MFD_PCF50633 is not set +CONFIG_MFD_PCF50633=y # CONFIG_MFD_MC13783 is not set +# CONFIG_PCF50633_ADC is not set +CONFIG_PCF50633_GPIO=y # CONFIG_AB3100_CORE is not set # CONFIG_EZX_PCAP is not set # CONFIG_AB4500_CORE is not set @@ -1737,6 +1754,7 @@ CONFIG_SND_S3C24XX_SOC_I2S=y CONFIG_SND_S3C_I2SV2_SOC=m CONFIG_SND_S3C2412_SOC_I2S=m CONFIG_SND_S3C_SOC_AC97=m +# CONFIG_SND_S3C24XX_SOC_NEO1973_GTA02_WM8753 is not set CONFIG_SND_S3C24XX_SOC_JIVE_WM8750=m CONFIG_SND_S3C24XX_SOC_SMDK2443_WM9710=m CONFIG_SND_S3C24XX_SOC_LN2440SBC_ALC650=m @@ -2045,6 +2063,7 @@ CONFIG_RTC_INTF_DEV=y # CONFIG_RTC_DRV_BQ4802 is not set # CONFIG_RTC_DRV_RP5C01 is not set # CONFIG_RTC_DRV_V3020 is not set +# CONFIG_RTC_DRV_PCF50633 is not set # # on-CPU RTC drivers diff --git a/arch/arm/configs/s3c6400_defconfig b/arch/arm/configs/s3c6400_defconfig index 7d8b4cf3858c..2b642386f030 100644 --- a/arch/arm/configs/s3c6400_defconfig +++ b/arch/arm/configs/s3c6400_defconfig @@ -1,9 +1,10 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.34 -# Wed May 26 19:04:30 2010 +# Fri May 28 19:05:39 2010 # CONFIG_ARM=y +CONFIG_HAVE_PWM=y CONFIG_SYS_SUPPORTS_APM_EMULATION=y CONFIG_GENERIC_GPIO=y CONFIG_GENERIC_TIME=y @@ -253,12 +254,15 @@ CONFIG_S3C_GPIO_TRACK=y # CONFIG_S3C_ADC is not set CONFIG_S3C_DEV_HSMMC=y CONFIG_S3C_DEV_HSMMC1=y +CONFIG_S3C_DEV_HSMMC2=y +CONFIG_S3C_DEV_HWMON=y CONFIG_S3C_DEV_I2C1=y CONFIG_S3C_DEV_FB=y CONFIG_S3C_DEV_USB_HOST=y CONFIG_S3C_DEV_USB_HSOTG=y CONFIG_S3C_DEV_WDT=y CONFIG_S3C_DEV_NAND=y +CONFIG_S3C_DEV_RTC=y CONFIG_SAMSUNG_DEV_ADC=y CONFIG_SAMSUNG_DEV_TS=y CONFIG_S3C_DMA=y @@ -271,6 +275,7 @@ CONFIG_S3C_DMA=y # CONFIG_SAMSUNG_PM_CHECK is not set CONFIG_SAMSUNG_WAKEMASK=y CONFIG_PLAT_S3C64XX=y +CONFIG_CPU_S3C6400=y CONFIG_CPU_S3C6410=y CONFIG_S3C64XX_DMA=y CONFIG_S3C64XX_SETUP_SDHCI=y @@ -278,17 +283,18 @@ CONFIG_S3C64XX_SETUP_I2C0=y CONFIG_S3C64XX_SETUP_I2C1=y CONFIG_S3C64XX_SETUP_FB_24BPP=y CONFIG_S3C64XX_SETUP_SDHCI_GPIO=y -# CONFIG_MACH_SMDK6400 is not set -# CONFIG_MACH_ANW6410 is not set +CONFIG_MACH_SMDK6400=y +CONFIG_MACH_ANW6410=y CONFIG_MACH_SMDK6410=y CONFIG_SMDK6410_SD_CH0=y # CONFIG_SMDK6410_SD_CH1 is not set # CONFIG_SMDK6410_WM1190_EV1 is not set # CONFIG_SMDK6410_WM1192_EV1 is not set -# CONFIG_MACH_NCP is not set -# CONFIG_MACH_HMT is not set -# CONFIG_MACH_SMARTQ5 is not set -# CONFIG_MACH_SMARTQ7 is not set +CONFIG_MACH_NCP=y +CONFIG_MACH_HMT=y +CONFIG_MACH_SMARTQ=y +CONFIG_MACH_SMARTQ5=y +CONFIG_MACH_SMARTQ7=y # # Processor Type @@ -475,6 +481,9 @@ CONFIG_MTD_CFI_I2=y # # Self-contained MTD device drivers # +# CONFIG_MTD_DATAFLASH is not set +# CONFIG_MTD_M25P80 is not set +# CONFIG_MTD_SST25L is not set # CONFIG_MTD_SLRAM is not set # CONFIG_MTD_PHRAM is not set # CONFIG_MTD_MTDRAM is not set @@ -501,6 +510,7 @@ CONFIG_MTD_NAND_S3C2410=y # CONFIG_MTD_NAND_S3C2410_CLKSTOP is not set # CONFIG_MTD_NAND_DISKONCHIP is not set # CONFIG_MTD_NAND_PLATFORM is not set +# CONFIG_MTD_ALAUDA is not set # CONFIG_MTD_ONENAND is not set # @@ -521,6 +531,7 @@ CONFIG_BLK_DEV_LOOP=y # # DRBD disabled because PROC_FS, INET or CONNECTOR not selected # +# CONFIG_BLK_DEV_UB is not set CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=4096 @@ -534,12 +545,14 @@ CONFIG_MISC_DEVICES=y # CONFIG_ISL29003 is not set # CONFIG_SENSORS_TSL2550 is not set # CONFIG_DS1682 is not set +# CONFIG_TI_DAC7512 is not set # CONFIG_C2PORT is not set # # EEPROM support # CONFIG_EEPROM_AT24=y +# CONFIG_EEPROM_AT25 is not set # CONFIG_EEPROM_LEGACY is not set # CONFIG_EEPROM_MAX6875 is not set # CONFIG_EEPROM_93CX6 is not set @@ -654,6 +667,7 @@ CONFIG_SERIAL_SAMSUNG_UARTS=4 # CONFIG_SERIAL_SAMSUNG_DEBUG is not set CONFIG_SERIAL_SAMSUNG_CONSOLE=y CONFIG_SERIAL_S3C6400=y +# CONFIG_SERIAL_MAX3100 is not set CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y # CONFIG_SERIAL_TIMBERDALE is not set @@ -694,6 +708,7 @@ CONFIG_I2C_S3C2410=y # # CONFIG_I2C_PARPORT_LIGHT is not set # CONFIG_I2C_TAOS_EVM is not set +# CONFIG_I2C_TINY_USB is not set # # Other I2C/SMBus bus drivers @@ -703,7 +718,24 @@ CONFIG_I2C_S3C2410=y # CONFIG_I2C_DEBUG_CORE is not set # CONFIG_I2C_DEBUG_ALGO is not set # CONFIG_I2C_DEBUG_BUS is not set -# CONFIG_SPI is not set +CONFIG_SPI=y +# CONFIG_SPI_DEBUG is not set +CONFIG_SPI_MASTER=y + +# +# SPI Master Controller Drivers +# +CONFIG_SPI_BITBANG=m +CONFIG_SPI_GPIO=m +CONFIG_SPI_S3C64XX=m +# CONFIG_SPI_XILINX is not set +# CONFIG_SPI_DESIGNWARE is not set + +# +# SPI Protocol Masters +# +# CONFIG_SPI_SPIDEV is not set +# CONFIG_SPI_TLE62X0 is not set # # PPS support @@ -735,6 +767,9 @@ CONFIG_GPIOLIB=y # # SPI GPIO expanders: # +# CONFIG_GPIO_MAX7301 is not set +# CONFIG_GPIO_MCP23S08 is not set +# CONFIG_GPIO_MC33880 is not set # # AC97 GPIO expanders: @@ -750,6 +785,7 @@ CONFIG_HWMON=y # # CONFIG_SENSORS_AD7414 is not set # CONFIG_SENSORS_AD7418 is not set +# CONFIG_SENSORS_ADCXX is not set # CONFIG_SENSORS_ADM1021 is not set # CONFIG_SENSORS_ADM1025 is not set # CONFIG_SENSORS_ADM1026 is not set @@ -771,6 +807,7 @@ CONFIG_HWMON=y # CONFIG_SENSORS_GL520SM is not set # CONFIG_SENSORS_IT87 is not set # CONFIG_SENSORS_LM63 is not set +# CONFIG_SENSORS_LM70 is not set # CONFIG_SENSORS_LM73 is not set # CONFIG_SENSORS_LM75 is not set # CONFIG_SENSORS_LM77 is not set @@ -785,6 +822,7 @@ CONFIG_HWMON=y # CONFIG_SENSORS_LTC4215 is not set # CONFIG_SENSORS_LTC4245 is not set # CONFIG_SENSORS_LM95241 is not set +# CONFIG_SENSORS_MAX1111 is not set # CONFIG_SENSORS_MAX1619 is not set # CONFIG_SENSORS_MAX6650 is not set # CONFIG_SENSORS_PC87360 is not set @@ -796,6 +834,7 @@ CONFIG_HWMON=y # CONFIG_SENSORS_SMSC47M192 is not set # CONFIG_SENSORS_SMSC47B397 is not set # CONFIG_SENSORS_ADS7828 is not set +# CONFIG_SENSORS_ADS7871 is not set # CONFIG_SENSORS_AMC6821 is not set # CONFIG_SENSORS_THMC50 is not set # CONFIG_SENSORS_TMP401 is not set @@ -809,6 +848,7 @@ CONFIG_HWMON=y # CONFIG_SENSORS_W83L786NG is not set # CONFIG_SENSORS_W83627HF is not set # CONFIG_SENSORS_W83627EHF is not set +# CONFIG_SENSORS_LIS3_SPI is not set # CONFIG_SENSORS_LIS3_I2C is not set # CONFIG_THERMAL is not set # CONFIG_WATCHDOG is not set @@ -845,7 +885,10 @@ CONFIG_SSB_POSSIBLE=y # CONFIG_MFD_WM8350_I2C is not set # CONFIG_MFD_WM8994 is not set # CONFIG_MFD_PCF50633 is not set +# CONFIG_MFD_MC13783 is not set # CONFIG_AB3100_CORE is not set +# CONFIG_EZX_PCAP is not set +# CONFIG_AB4500_CORE is not set # CONFIG_REGULATOR is not set # CONFIG_MEDIA_SUPPORT is not set @@ -854,8 +897,47 @@ CONFIG_SSB_POSSIBLE=y # # CONFIG_VGASTATE is not set # CONFIG_VIDEO_OUTPUT_CONTROL is not set -# CONFIG_FB is not set -# CONFIG_BACKLIGHT_LCD_SUPPORT is not set +CONFIG_FB=y +# CONFIG_FIRMWARE_EDID is not set +# CONFIG_FB_DDC is not set +# CONFIG_FB_BOOT_VESA_SUPPORT is not set +CONFIG_FB_CFB_FILLRECT=y +CONFIG_FB_CFB_COPYAREA=y +CONFIG_FB_CFB_IMAGEBLIT=y +# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set +# CONFIG_FB_SYS_FILLRECT is not set +# CONFIG_FB_SYS_COPYAREA is not set +# CONFIG_FB_SYS_IMAGEBLIT is not set +# CONFIG_FB_FOREIGN_ENDIAN is not set +# CONFIG_FB_SYS_FOPS is not set +# CONFIG_FB_SVGALIB is not set +# CONFIG_FB_MACMODES is not set +# CONFIG_FB_BACKLIGHT is not set +# CONFIG_FB_MODE_HELPERS is not set +# CONFIG_FB_TILEBLITTING is not set + +# +# Frame buffer hardware drivers +# +# CONFIG_FB_S1D13XXX is not set +CONFIG_FB_S3C=y +# CONFIG_FB_S3C_DEBUG_REGWRITE is not set +# CONFIG_FB_VIRTUAL is not set +# CONFIG_FB_METRONOME is not set +# CONFIG_FB_MB862XX is not set +# CONFIG_FB_BROADSHEET is not set +CONFIG_BACKLIGHT_LCD_SUPPORT=y +CONFIG_LCD_CLASS_DEVICE=y +# CONFIG_LCD_L4F00242T03 is not set +# CONFIG_LCD_LMS283GF05 is not set +CONFIG_LCD_LTV350QV=y +# CONFIG_LCD_ILI9320 is not set +# CONFIG_LCD_TDO24M is not set +# CONFIG_LCD_VGG2432A4 is not set +# CONFIG_LCD_PLATFORM is not set +CONFIG_BACKLIGHT_CLASS_DEVICE=y +CONFIG_BACKLIGHT_GENERIC=y +CONFIG_BACKLIGHT_PWM=y # # Display device support @@ -867,6 +949,8 @@ CONFIG_SSB_POSSIBLE=y # # CONFIG_VGA_CONSOLE is not set CONFIG_DUMMY_CONSOLE=y +# CONFIG_FRAMEBUFFER_CONSOLE is not set +# CONFIG_LOGO is not set CONFIG_SOUND=y CONFIG_SOUND_OSS_CORE=y CONFIG_SOUND_OSS_CORE_PRECLAIM=y @@ -895,6 +979,11 @@ CONFIG_SND_DRIVERS=y # CONFIG_SND_SERIAL_U16550 is not set # CONFIG_SND_MPU401 is not set CONFIG_SND_ARM=y +CONFIG_SND_SPI=y +CONFIG_SND_USB=y +# CONFIG_SND_USB_AUDIO is not set +# CONFIG_SND_USB_UA101 is not set +# CONFIG_SND_USB_CAIAQ is not set CONFIG_SND_SOC=m CONFIG_SND_SOC_AC97_BUS=y CONFIG_SND_S3C24XX_SOC=m @@ -909,29 +998,197 @@ CONFIG_AC97_BUS=m CONFIG_HID_SUPPORT=y CONFIG_HID=y # CONFIG_HIDRAW is not set + +# +# USB Input Devices +# +CONFIG_USB_HID=y # CONFIG_HID_PID is not set +# CONFIG_USB_HIDDEV is not set # # Special HID drivers # +# CONFIG_HID_3M_PCT is not set +CONFIG_HID_A4TECH=y +CONFIG_HID_APPLE=y +CONFIG_HID_BELKIN=y +# CONFIG_HID_CANDO is not set +CONFIG_HID_CHERRY=y +CONFIG_HID_CHICONY=y +# CONFIG_HID_PRODIKEYS is not set +CONFIG_HID_CYPRESS=y +# CONFIG_HID_DRAGONRISE is not set +# CONFIG_HID_EGALAX is not set +CONFIG_HID_EZKEY=y +CONFIG_HID_KYE=y +# CONFIG_HID_GYRATION is not set +# CONFIG_HID_TWINHAN is not set +CONFIG_HID_KENSINGTON=y +CONFIG_HID_LOGITECH=y +# CONFIG_LOGITECH_FF is not set +# CONFIG_LOGIRUMBLEPAD2_FF is not set +# CONFIG_LOGIG940_FF is not set +CONFIG_HID_MICROSOFT=y +# CONFIG_HID_MOSART is not set +CONFIG_HID_MONTEREY=y +# CONFIG_HID_NTRIG is not set +# CONFIG_HID_ORTEK is not set +# CONFIG_HID_PANTHERLORD is not set +# CONFIG_HID_PETALYNX is not set +# CONFIG_HID_PICOLCD is not set +# CONFIG_HID_QUANTA is not set +# CONFIG_HID_ROCCAT_KONE is not set +# CONFIG_HID_SAMSUNG is not set +# CONFIG_HID_SONY is not set +# CONFIG_HID_STANTUM is not set +# CONFIG_HID_SUNPLUS is not set +# CONFIG_HID_GREENASIA is not set +# CONFIG_HID_SMARTJOYPLUS is not set +# CONFIG_HID_TOPSEED is not set +# CONFIG_HID_THRUSTMASTER is not set +# CONFIG_HID_ZEROPLUS is not set +# CONFIG_HID_ZYDACRON is not set CONFIG_USB_SUPPORT=y CONFIG_USB_ARCH_HAS_HCD=y CONFIG_USB_ARCH_HAS_OHCI=y # CONFIG_USB_ARCH_HAS_EHCI is not set -# CONFIG_USB is not set +CONFIG_USB=y +# CONFIG_USB_DEBUG is not set +CONFIG_USB_ANNOUNCE_NEW_DEVICES=y # -# Enable Host or Gadget support to see Inventra options +# Miscellaneous USB options # +CONFIG_USB_DEVICEFS=y +CONFIG_USB_DEVICE_CLASS=y +# CONFIG_USB_DYNAMIC_MINORS is not set +# CONFIG_USB_MON is not set +# CONFIG_USB_WUSB is not set +# CONFIG_USB_WUSB_CBAF is not set + +# +# USB Host Controller Drivers +# +# CONFIG_USB_C67X00_HCD is not set +# CONFIG_USB_OXU210HP_HCD is not set +# CONFIG_USB_ISP116X_HCD is not set +# CONFIG_USB_ISP1760_HCD is not set +# CONFIG_USB_ISP1362_HCD is not set +CONFIG_USB_OHCI_HCD=y +# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set +# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set +CONFIG_USB_OHCI_LITTLE_ENDIAN=y +# CONFIG_USB_SL811_HCD is not set +# CONFIG_USB_R8A66597_HCD is not set +# CONFIG_USB_HWA_HCD is not set +# CONFIG_USB_MUSB_HDRC is not set + +# +# USB Device Class drivers +# +CONFIG_USB_ACM=m +CONFIG_USB_PRINTER=m +# CONFIG_USB_WDM is not set +# CONFIG_USB_TMC is not set # # NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may # + +# +# also be needed; see USB_STORAGE Help for more info +# +# CONFIG_USB_LIBUSUAL is not set + +# +# USB Imaging devices +# +# CONFIG_USB_MDC800 is not set + +# +# USB port drivers +# +CONFIG_USB_SERIAL=m +# CONFIG_USB_EZUSB is not set +CONFIG_USB_SERIAL_GENERIC=y +# CONFIG_USB_SERIAL_AIRCABLE is not set +# CONFIG_USB_SERIAL_ARK3116 is not set +# CONFIG_USB_SERIAL_BELKIN is not set +# CONFIG_USB_SERIAL_CH341 is not set +# CONFIG_USB_SERIAL_WHITEHEAT is not set +# CONFIG_USB_SERIAL_DIGI_ACCELEPORT is not set +# CONFIG_USB_SERIAL_CP210X is not set +# CONFIG_USB_SERIAL_CYPRESS_M8 is not set +CONFIG_USB_SERIAL_EMPEG=m +CONFIG_USB_SERIAL_FTDI_SIO=m +# CONFIG_USB_SERIAL_FUNSOFT is not set +# CONFIG_USB_SERIAL_VISOR is not set +# CONFIG_USB_SERIAL_IPAQ is not set +# CONFIG_USB_SERIAL_IR is not set +# CONFIG_USB_SERIAL_EDGEPORT is not set +# CONFIG_USB_SERIAL_EDGEPORT_TI is not set +# CONFIG_USB_SERIAL_GARMIN is not set +# CONFIG_USB_SERIAL_IPW is not set +# CONFIG_USB_SERIAL_IUU is not set +# CONFIG_USB_SERIAL_KEYSPAN_PDA is not set +# CONFIG_USB_SERIAL_KEYSPAN is not set +# CONFIG_USB_SERIAL_KLSI is not set +# CONFIG_USB_SERIAL_KOBIL_SCT is not set +# CONFIG_USB_SERIAL_MCT_U232 is not set +# CONFIG_USB_SERIAL_MOS7720 is not set +# CONFIG_USB_SERIAL_MOS7840 is not set +# CONFIG_USB_SERIAL_MOTOROLA is not set +# CONFIG_USB_SERIAL_NAVMAN is not set +CONFIG_USB_SERIAL_PL2303=m +# CONFIG_USB_SERIAL_OTI6858 is not set +# CONFIG_USB_SERIAL_QCAUX is not set +# CONFIG_USB_SERIAL_QUALCOMM is not set +# CONFIG_USB_SERIAL_SPCP8X5 is not set +# CONFIG_USB_SERIAL_HP4X is not set +# CONFIG_USB_SERIAL_SAFE is not set +# CONFIG_USB_SERIAL_SIEMENS_MPI is not set +# CONFIG_USB_SERIAL_SIERRAWIRELESS is not set +# CONFIG_USB_SERIAL_SYMBOL is not set +# CONFIG_USB_SERIAL_TI is not set +# CONFIG_USB_SERIAL_CYBERJACK is not set +# CONFIG_USB_SERIAL_XIRCOM is not set +# CONFIG_USB_SERIAL_OPTION is not set +# CONFIG_USB_SERIAL_OMNINET is not set +# CONFIG_USB_SERIAL_OPTICON is not set +# CONFIG_USB_SERIAL_VIVOPAY_SERIAL is not set +# CONFIG_USB_SERIAL_ZIO is not set +# CONFIG_USB_SERIAL_DEBUG is not set + +# +# USB Miscellaneous drivers +# +# CONFIG_USB_EMI62 is not set +# CONFIG_USB_EMI26 is not set +# CONFIG_USB_ADUTUX is not set +# CONFIG_USB_SEVSEG is not set +# CONFIG_USB_RIO500 is not set +# CONFIG_USB_LEGOTOWER is not set +# CONFIG_USB_LCD is not set +# CONFIG_USB_LED is not set +# CONFIG_USB_CYPRESS_CY7C63 is not set +# CONFIG_USB_CYTHERM is not set +# CONFIG_USB_IDMOUSE is not set +# CONFIG_USB_FTDI_ELAN is not set +# CONFIG_USB_APPLEDISPLAY is not set +# CONFIG_USB_LD is not set +# CONFIG_USB_TRANCEVIBRATOR is not set +# CONFIG_USB_IOWARRIOR is not set +# CONFIG_USB_TEST is not set +# CONFIG_USB_ISIGHTFW is not set # CONFIG_USB_GADGET is not set # # OTG and related infrastructure # +# CONFIG_USB_GPIO_VBUS is not set +# CONFIG_USB_ULPI is not set +# CONFIG_NOP_USB_XCEIV is not set CONFIG_MMC=y CONFIG_MMC_DEBUG=y CONFIG_MMC_UNSAFE_RESUME=y @@ -951,11 +1208,77 @@ CONFIG_MMC_SDHCI=y # CONFIG_MMC_SDHCI_PLTFM is not set CONFIG_MMC_SDHCI_S3C=y # CONFIG_MMC_SDHCI_S3C_DMA is not set +# CONFIG_MMC_SPI is not set # CONFIG_MEMSTICK is not set # CONFIG_NEW_LEDS is not set # CONFIG_ACCESSIBILITY is not set CONFIG_RTC_LIB=y -# CONFIG_RTC_CLASS is not set +CONFIG_RTC_CLASS=y +CONFIG_RTC_HCTOSYS=y +CONFIG_RTC_HCTOSYS_DEVICE="rtc0" +# CONFIG_RTC_DEBUG is not set + +# +# RTC interfaces +# +CONFIG_RTC_INTF_SYSFS=y +CONFIG_RTC_INTF_PROC=y +CONFIG_RTC_INTF_DEV=y +# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set +# CONFIG_RTC_DRV_TEST is not set + +# +# I2C RTC drivers +# +# CONFIG_RTC_DRV_DS1307 is not set +# CONFIG_RTC_DRV_DS1374 is not set +# CONFIG_RTC_DRV_DS1672 is not set +# CONFIG_RTC_DRV_MAX6900 is not set +# CONFIG_RTC_DRV_RS5C372 is not set +# CONFIG_RTC_DRV_ISL1208 is not set +# CONFIG_RTC_DRV_X1205 is not set +# CONFIG_RTC_DRV_PCF8563 is not set +# CONFIG_RTC_DRV_PCF8583 is not set +# CONFIG_RTC_DRV_M41T80 is not set +# CONFIG_RTC_DRV_BQ32K is not set +# CONFIG_RTC_DRV_S35390A is not set +# CONFIG_RTC_DRV_FM3130 is not set +# CONFIG_RTC_DRV_RX8581 is not set +# CONFIG_RTC_DRV_RX8025 is not set + +# +# SPI RTC drivers +# +# CONFIG_RTC_DRV_M41T94 is not set +# CONFIG_RTC_DRV_DS1305 is not set +# CONFIG_RTC_DRV_DS1390 is not set +# CONFIG_RTC_DRV_MAX6902 is not set +# CONFIG_RTC_DRV_R9701 is not set +# CONFIG_RTC_DRV_RS5C348 is not set +# CONFIG_RTC_DRV_DS3234 is not set +# CONFIG_RTC_DRV_PCF2123 is not set + +# +# Platform RTC drivers +# +# CONFIG_RTC_DRV_CMOS is not set +# CONFIG_RTC_DRV_DS1286 is not set +# CONFIG_RTC_DRV_DS1511 is not set +# CONFIG_RTC_DRV_DS1553 is not set +# CONFIG_RTC_DRV_DS1742 is not set +# CONFIG_RTC_DRV_STK17TA8 is not set +# CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_M48T35 is not set +# CONFIG_RTC_DRV_M48T59 is not set +# CONFIG_RTC_DRV_MSM6242 is not set +# CONFIG_RTC_DRV_BQ4802 is not set +# CONFIG_RTC_DRV_RP5C01 is not set +# CONFIG_RTC_DRV_V3020 is not set + +# +# on-CPU RTC drivers +# +CONFIG_RTC_DRV_S3C=y # CONFIG_DMADEVICES is not set # CONFIG_AUXDISPLAY is not set # CONFIG_UIO is not set @@ -1052,7 +1375,46 @@ CONFIG_ROMFS_ON_BLOCK=y # # CONFIG_PARTITION_ADVANCED is not set CONFIG_MSDOS_PARTITION=y -# CONFIG_NLS is not set +CONFIG_NLS=y +CONFIG_NLS_DEFAULT="iso8859-1" +# CONFIG_NLS_CODEPAGE_437 is not set +# CONFIG_NLS_CODEPAGE_737 is not set +# CONFIG_NLS_CODEPAGE_775 is not set +# CONFIG_NLS_CODEPAGE_850 is not set +# CONFIG_NLS_CODEPAGE_852 is not set +# CONFIG_NLS_CODEPAGE_855 is not set +# CONFIG_NLS_CODEPAGE_857 is not set +# CONFIG_NLS_CODEPAGE_860 is not set +# CONFIG_NLS_CODEPAGE_861 is not set +# CONFIG_NLS_CODEPAGE_862 is not set +# CONFIG_NLS_CODEPAGE_863 is not set +# CONFIG_NLS_CODEPAGE_864 is not set +# CONFIG_NLS_CODEPAGE_865 is not set +# CONFIG_NLS_CODEPAGE_866 is not set +# CONFIG_NLS_CODEPAGE_869 is not set +# CONFIG_NLS_CODEPAGE_936 is not set +# CONFIG_NLS_CODEPAGE_950 is not set +# CONFIG_NLS_CODEPAGE_932 is not set +# CONFIG_NLS_CODEPAGE_949 is not set +# CONFIG_NLS_CODEPAGE_874 is not set +# CONFIG_NLS_ISO8859_8 is not set +# CONFIG_NLS_CODEPAGE_1250 is not set +# CONFIG_NLS_CODEPAGE_1251 is not set +# CONFIG_NLS_ASCII is not set +# CONFIG_NLS_ISO8859_1 is not set +# CONFIG_NLS_ISO8859_2 is not set +# CONFIG_NLS_ISO8859_3 is not set +# CONFIG_NLS_ISO8859_4 is not set +# CONFIG_NLS_ISO8859_5 is not set +# CONFIG_NLS_ISO8859_6 is not set +# CONFIG_NLS_ISO8859_7 is not set +# CONFIG_NLS_ISO8859_9 is not set +# CONFIG_NLS_ISO8859_13 is not set +# CONFIG_NLS_ISO8859_14 is not set +# CONFIG_NLS_ISO8859_15 is not set +# CONFIG_NLS_KOI8_R is not set +# CONFIG_NLS_KOI8_U is not set +# CONFIG_NLS_UTF8 is not set # # Kernel hacking diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c index abd04932917b..2ec3095ffb7b 100644 --- a/arch/arm/mach-davinci/board-da850-evm.c +++ b/arch/arm/mach-davinci/board-da850-evm.c @@ -17,6 +17,7 @@ #include <linux/i2c.h> #include <linux/i2c/at24.h> #include <linux/i2c/pca953x.h> +#include <linux/mfd/tps6507x.h> #include <linux/gpio.h> #include <linux/platform_device.h> #include <linux/mtd/mtd.h> @@ -24,6 +25,8 @@ #include <linux/mtd/partitions.h> #include <linux/mtd/physmap.h> #include <linux/regulator/machine.h> +#include <linux/mfd/tps6507x.h> +#include <linux/input/tps6507x-ts.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -533,10 +536,24 @@ struct regulator_init_data tps65070_regulator_data[] = { }, }; +static struct touchscreen_init_data tps6507x_touchscreen_data = { + .poll_period = 30, /* ms between touch samples */ + .min_pressure = 0x30, /* minimum pressure to trigger touch */ + .vref = 0, /* turn off vref when not using A/D */ + .vendor = 0, /* /sys/class/input/input?/id/vendor */ + .product = 65070, /* /sys/class/input/input?/id/product */ + .version = 0x100, /* /sys/class/input/input?/id/version */ +}; + +static struct tps6507x_board tps_board = { + .tps6507x_pmic_init_data = &tps65070_regulator_data[0], + .tps6507x_ts_init_data = &tps6507x_touchscreen_data, +}; + static struct i2c_board_info __initdata da850evm_tps65070_info[] = { { I2C_BOARD_INFO("tps6507x", 0x48), - .platform_data = &tps65070_regulator_data[0], + .platform_data = &tps_board, }, }; diff --git a/arch/arm/mach-msm/acpuclock-arm11.c b/arch/arm/mach-msm/acpuclock-arm11.c index af5e85b91d02..6ca42fd5ce2a 100644 --- a/arch/arm/mach-msm/acpuclock-arm11.c +++ b/arch/arm/mach-msm/acpuclock-arm11.c @@ -17,7 +17,6 @@ * */ -#include <linux/version.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/list.h> diff --git a/arch/arm/mach-msm/clock.c b/arch/arm/mach-msm/clock.c index 9cb1276ab749..c57210f4f06a 100644 --- a/arch/arm/mach-msm/clock.c +++ b/arch/arm/mach-msm/clock.c @@ -14,7 +14,6 @@ * */ -#include <linux/version.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/module.h> diff --git a/arch/arm/mach-msm/dma.c b/arch/arm/mach-msm/dma.c index d029d1f5f9e2..02cae5e2951c 100644 --- a/arch/arm/mach-msm/dma.c +++ b/arch/arm/mach-msm/dma.c @@ -17,6 +17,7 @@ #include <linux/err.h> #include <linux/io.h> #include <linux/interrupt.h> +#include <linux/completion.h> #include <mach/dma.h> #define MSM_DMOV_CHANNEL_COUNT 16 diff --git a/arch/arm/mach-mx2/Kconfig b/arch/arm/mach-mx2/Kconfig index 742fd4e6dcb9..3f756f4ad050 100644 --- a/arch/arm/mach-mx2/Kconfig +++ b/arch/arm/mach-mx2/Kconfig @@ -59,6 +59,7 @@ endchoice config MACH_CPUIMX27 bool "Eukrea CPUIMX27 module" depends on MACH_MX27 + select MXC_ULPI if USB_ULPI help Include support for Eukrea CPUIMX27 platform. This includes specific configurations for the module and its peripherals. @@ -67,9 +68,16 @@ config MACH_EUKREA_CPUIMX27_USESDHC2 bool "CPUIMX27 integrates SDHC2 module" depends on MACH_CPUIMX27 help - This adds support for the internal SDHC2 used on CPUIMX27 used + This adds support for the internal SDHC2 used on CPUIMX27 for wifi or eMMC. +config MACH_EUKREA_CPUIMX27_USEUART4 + bool "CPUIMX27 integrates UART4 module" + depends on MACH_CPUIMX27 + help + This adds support for the internal UART4 used on CPUIMX27 + for bluetooth. + choice prompt "Baseboard" depends on MACH_CPUIMX27 diff --git a/arch/arm/mach-mx2/devices.c b/arch/arm/mach-mx2/devices.c index a0aeb8a4adc1..4df2e340652c 100644 --- a/arch/arm/mach-mx2/devices.c +++ b/arch/arm/mach-mx2/devices.c @@ -501,3 +501,21 @@ struct platform_device mx21_usbhc_device = { }; #endif +static struct resource imx_kpp_resources[] = { + { + .start = MX2x_KPP_BASE_ADDR, + .end = MX2x_KPP_BASE_ADDR + 0xf, + .flags = IORESOURCE_MEM + }, { + .start = MX2x_INT_KPP, + .end = MX2x_INT_KPP, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device imx_kpp_device = { + .name = "imx-keypad", + .id = -1, + .num_resources = ARRAY_SIZE(imx_kpp_resources), + .resource = imx_kpp_resources, +}; diff --git a/arch/arm/mach-mx2/devices.h b/arch/arm/mach-mx2/devices.h index 84ed51380174..cd4977990bd4 100644 --- a/arch/arm/mach-mx2/devices.h +++ b/arch/arm/mach-mx2/devices.h @@ -40,3 +40,4 @@ extern struct platform_device mxc_spi_device2; extern struct platform_device mx21_usbhc_device; extern struct platform_device imx_ssi_device0; extern struct platform_device imx_ssi_device1; +extern struct platform_device imx_kpp_device; diff --git a/arch/arm/mach-mx2/eukrea_mbimx27-baseboard.c b/arch/arm/mach-mx2/eukrea_mbimx27-baseboard.c index f3b169d5245f..80f626803401 100644 --- a/arch/arm/mach-mx2/eukrea_mbimx27-baseboard.c +++ b/arch/arm/mach-mx2/eukrea_mbimx27-baseboard.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2009 Eric Benard - eric@eukrea.com + * Copyright (C) 2009-2010 Eric Benard - eric@eukrea.com * * Based on pcm970-baseboard.c which is : * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de) @@ -24,6 +24,9 @@ #include <linux/platform_device.h> #include <linux/spi/spi.h> #include <linux/spi/ads7846.h> +#include <linux/backlight.h> +#include <video/platform_lcd.h> +#include <linux/input/matrix_keypad.h> #include <asm/mach/arch.h> @@ -33,6 +36,9 @@ #include <mach/hardware.h> #include <mach/mmc.h> #include <mach/imx-uart.h> +#include <mach/spi.h> +#include <mach/ssi.h> +#include <mach/audmux.h> #include "devices.h" @@ -48,10 +54,12 @@ static int eukrea_mbimx27_pins[] = { PE10_PF_UART3_CTS, PE11_PF_UART3_RTS, /* UART4 */ +#if !defined(MACH_EUKREA_CPUIMX27_USEUART4) PB26_AF_UART4_RTS, PB28_AF_UART4_TXD, PB29_AF_UART4_CTS, PB31_AF_UART4_RXD, +#endif /* SDHC1*/ PE18_PF_SD1_D0, PE19_PF_SD1_D1, @@ -84,10 +92,28 @@ static int eukrea_mbimx27_pins[] = { PA30_PF_CONTRAST, PA31_PF_OE_ACD, /* SPI1 */ - PD28_PF_CSPI1_SS0, PD29_PF_CSPI1_SCLK, PD30_PF_CSPI1_MISO, PD31_PF_CSPI1_MOSI, + /* SSI4 */ +#if defined(CONFIG_SND_SOC_EUKREA_TLV320) + PC16_PF_SSI4_FS, + PC17_PF_SSI4_RXD | GPIO_PUEN, + PC18_PF_SSI4_TXD | GPIO_PUEN, + PC19_PF_SSI4_CLK, +#endif +}; + +static const uint32_t eukrea_mbimx27_keymap[] = { + KEY(0, 0, KEY_UP), + KEY(0, 1, KEY_DOWN), + KEY(1, 0, KEY_RIGHT), + KEY(1, 1, KEY_LEFT), +}; + +static struct matrix_keymap_data eukrea_mbimx27_keymap_data = { + .keymap = eukrea_mbimx27_keymap, + .keymap_size = ARRAY_SIZE(eukrea_mbimx27_keymap), }; static struct gpio_led gpio_leds[] = { @@ -103,12 +129,6 @@ static struct gpio_led gpio_leds[] = { .active_low = 1, .gpio = GPIO_PORTF | 19, }, - { - .name = "backlight", - .default_trigger = "backlight", - .active_low = 0, - .gpio = GPIO_PORTE | 5, - }, }; static struct gpio_led_platform_data gpio_led_info = { @@ -127,7 +147,7 @@ static struct platform_device leds_gpio = { static struct imx_fb_videomode eukrea_mbimx27_modes[] = { { .mode = { - .name = "CMO-QGVA", + .name = "CMO-QVGA", .refresh = 60, .xres = 320, .yres = 240, @@ -141,6 +161,38 @@ static struct imx_fb_videomode eukrea_mbimx27_modes[] = { }, .pcr = 0xFAD08B80, .bpp = 16, + }, { + .mode = { + .name = "DVI-VGA", + .refresh = 60, + .xres = 640, + .yres = 480, + .pixclock = 32000, + .hsync_len = 1, + .left_margin = 35, + .right_margin = 0, + .vsync_len = 1, + .upper_margin = 7, + .lower_margin = 0, + }, + .pcr = 0xFA208B80, + .bpp = 16, + }, { + .mode = { + .name = "DVI-SVGA", + .refresh = 60, + .xres = 800, + .yres = 600, + .pixclock = 25000, + .hsync_len = 1, + .left_margin = 35, + .right_margin = 0, + .vsync_len = 1, + .upper_margin = 7, + .lower_margin = 0, + }, + .pcr = 0xFA208B80, + .bpp = 16, }, }; @@ -153,6 +205,47 @@ static struct imx_fb_platform_data eukrea_mbimx27_fb_data = { .dmacr = 0x00040060, }; +static void eukrea_mbimx27_bl_set_intensity(int intensity) +{ + if (intensity) + gpio_direction_output(GPIO_PORTE | 5, 1); + else + gpio_direction_output(GPIO_PORTE | 5, 0); +} + +static struct generic_bl_info eukrea_mbimx27_bl_info = { + .name = "eukrea_mbimx27-bl", + .max_intensity = 0xff, + .default_intensity = 0xff, + .set_bl_intensity = eukrea_mbimx27_bl_set_intensity, +}; + +static struct platform_device eukrea_mbimx27_bl_dev = { + .name = "generic-bl", + .id = 1, + .dev = { + .platform_data = &eukrea_mbimx27_bl_info, + }, +}; + +static void eukrea_mbimx27_lcd_power_set(struct plat_lcd_data *pd, + unsigned int power) +{ + if (power) + gpio_direction_output(GPIO_PORTA | 25, 1); + else + gpio_direction_output(GPIO_PORTA | 25, 0); +} + +static struct plat_lcd_data eukrea_mbimx27_lcd_power_data = { + .set_power = eukrea_mbimx27_lcd_power_set, +}; + +static struct platform_device eukrea_mbimx27_lcd_powerdev = { + .name = "platform-lcd", + .dev.platform_data = &eukrea_mbimx27_lcd_power_data, +}; + static struct imxuart_platform_data uart_pdata[] = { { .flags = IMXUART_HAVE_RTSCTS, @@ -160,9 +253,12 @@ static struct imxuart_platform_data uart_pdata[] = { { .flags = IMXUART_HAVE_RTSCTS, }, + { + .flags = IMXUART_HAVE_RTSCTS, + }, }; -#if defined(CONFIG_TOUCHSCREEN_ADS7846) +#if defined(CONFIG_TOUCHSCREEN_ADS7846) \ || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) #define ADS7846_PENDOWN (GPIO_PORTD | 25) @@ -173,7 +269,6 @@ static void ads7846_dev_init(void) printk(KERN_ERR "can't get ads746 pen down GPIO\n"); return; } - gpio_direction_input(ADS7846_PENDOWN); } @@ -186,7 +281,9 @@ static struct ads7846_platform_data ads7846_config __initdata = { .get_pendown_state = ads7846_get_pendown_state, .keep_vref_on = 1, }; +#endif +#if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE) static struct spi_board_info eukrea_mbimx27_spi_board_info[] __initdata = { [0] = { .modalias = "ads7846", @@ -199,6 +296,12 @@ static struct spi_board_info eukrea_mbimx27_spi_board_info[] __initdata = { }, }; +static struct i2c_board_info eukrea_mbimx27_i2c_devices[] = { + { + I2C_BOARD_INFO("tlv320aic23", 0x1a), + }, +}; + static int eukrea_mbimx27_spi_cs[] = {GPIO_PORTD | 28}; static struct spi_imx_master eukrea_mbimx27_spi_0_data = { @@ -211,6 +314,14 @@ static struct platform_device *platform_devices[] __initdata = { &leds_gpio, }; +static struct imxmmc_platform_data sdhc_pdata = { + .dat3_card_detect = 1, +}; + +struct imx_ssi_platform_data eukrea_mbimx27_ssi_pdata = { + .flags = IMX_SSI_DMA | IMX_SSI_USE_I2S_SLAVE, +}; + /* * system init for baseboard usage. Will be called by cpuimx27 init. * @@ -222,21 +333,51 @@ void __init eukrea_mbimx27_baseboard_init(void) mxc_gpio_setup_multiple_pins(eukrea_mbimx27_pins, ARRAY_SIZE(eukrea_mbimx27_pins), "MBIMX27"); +#if defined(CONFIG_SND_SOC_EUKREA_TLV320) + /* SSI unit master I2S codec connected to SSI_PINS_4*/ + mxc_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0, + MXC_AUDMUX_V1_PCR_SYN | + MXC_AUDMUX_V1_PCR_TFSDIR | + MXC_AUDMUX_V1_PCR_TCLKDIR | + MXC_AUDMUX_V1_PCR_RFSDIR | + MXC_AUDMUX_V1_PCR_RCLKDIR | + MXC_AUDMUX_V1_PCR_TFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) | + MXC_AUDMUX_V1_PCR_RFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) | + MXC_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) + ); + mxc_audmux_v1_configure_port(MX27_AUDMUX_HPCR3_SSI_PINS_4, + MXC_AUDMUX_V1_PCR_SYN | + MXC_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0) + ); +#endif + mxc_register_device(&mxc_uart_device1, &uart_pdata[0]); mxc_register_device(&mxc_uart_device2, &uart_pdata[1]); +#if !defined(MACH_EUKREA_CPUIMX27_USEUART4) + mxc_register_device(&mxc_uart_device3, &uart_pdata[2]); +#endif mxc_register_device(&mxc_fb_device, &eukrea_mbimx27_fb_data); - mxc_register_device(&mxc_sdhc_device0, NULL); + mxc_register_device(&mxc_sdhc_device0, &sdhc_pdata); + + i2c_register_board_info(0, eukrea_mbimx27_i2c_devices, + ARRAY_SIZE(eukrea_mbimx27_i2c_devices)); + + mxc_register_device(&imx_ssi_device0, &eukrea_mbimx27_ssi_pdata); -#if defined(CONFIG_TOUCHSCREEN_ADS7846) +#if defined(CONFIG_TOUCHSCREEN_ADS7846) \ || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) - /* SPI and ADS7846 Touchscreen controler init */ - mxc_gpio_mode(GPIO_PORTD | 28 | GPIO_GPIO | GPIO_OUT); + /* ADS7846 Touchscreen controller init */ mxc_gpio_mode(GPIO_PORTD | 25 | GPIO_GPIO | GPIO_IN); + ads7846_dev_init(); +#endif + +#if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE) + /* SPI_CS0 init */ + mxc_gpio_mode(GPIO_PORTD | 28 | GPIO_GPIO | GPIO_OUT); mxc_register_device(&mxc_spi_device0, &eukrea_mbimx27_spi_0_data); spi_register_board_info(eukrea_mbimx27_spi_board_info, ARRAY_SIZE(eukrea_mbimx27_spi_board_info)); - ads7846_dev_init(); #endif /* Leds configuration */ @@ -244,6 +385,14 @@ void __init eukrea_mbimx27_baseboard_init(void) mxc_gpio_mode(GPIO_PORTF | 19 | GPIO_GPIO | GPIO_OUT); /* Backlight */ mxc_gpio_mode(GPIO_PORTE | 5 | GPIO_GPIO | GPIO_OUT); + gpio_request(GPIO_PORTE | 5, "backlight"); + platform_device_register(&eukrea_mbimx27_bl_dev); + /* LCD Reset */ + mxc_gpio_mode(GPIO_PORTA | 25 | GPIO_GPIO | GPIO_OUT); + gpio_request(GPIO_PORTA | 25, "lcd_enable"); + platform_device_register(&eukrea_mbimx27_lcd_powerdev); + + mxc_register_device(&imx_kpp_device, &eukrea_mbimx27_keymap_data); platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); } diff --git a/arch/arm/mach-mx2/mach-cpuimx27.c b/arch/arm/mach-mx2/mach-cpuimx27.c index 1f616dcaabc9..dc2dca3ff9b7 100644 --- a/arch/arm/mach-mx2/mach-cpuimx27.c +++ b/arch/arm/mach-mx2/mach-cpuimx27.c @@ -26,6 +26,9 @@ #include <linux/mtd/physmap.h> #include <linux/platform_device.h> #include <linux/serial_8250.h> +#include <linux/usb/otg.h> +#include <linux/usb/ulpi.h> +#include <linux/fsl_devices.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -39,6 +42,8 @@ #include <mach/iomux-mx27.h> #include <mach/imx-uart.h> #include <mach/mxc_nand.h> +#include <mach/mxc_ehci.h> +#include <mach/ulpi.h> #include "devices.h" @@ -49,10 +54,12 @@ static int eukrea_cpuimx27_pins[] = { PE14_PF_UART1_CTS, PE15_PF_UART1_RTS, /* UART4 */ +#if defined(MACH_EUKREA_CPUIMX27_USEUART4) PB26_AF_UART4_RTS, PB28_AF_UART4_TXD, PB29_AF_UART4_CTS, PB31_AF_UART4_RXD, +#endif /* FEC */ PD0_AIN_FEC_TXD0, PD1_AIN_FEC_TXD1, @@ -76,19 +83,47 @@ static int eukrea_cpuimx27_pins[] = { PD17_PF_I2C_DATA, PD18_PF_I2C_CLK, /* SDHC2 */ +#if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2) PB4_PF_SD2_D0, PB5_PF_SD2_D1, PB6_PF_SD2_D2, PB7_PF_SD2_D3, PB8_PF_SD2_CMD, PB9_PF_SD2_CLK, +#endif #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE) /* Quad UART's IRQ */ - GPIO_PORTD | 22 | GPIO_GPIO | GPIO_IN, - GPIO_PORTD | 23 | GPIO_GPIO | GPIO_IN, - GPIO_PORTD | 27 | GPIO_GPIO | GPIO_IN, - GPIO_PORTD | 30 | GPIO_GPIO | GPIO_IN, + GPIO_PORTB | 22 | GPIO_GPIO | GPIO_IN, + GPIO_PORTB | 23 | GPIO_GPIO | GPIO_IN, + GPIO_PORTB | 27 | GPIO_GPIO | GPIO_IN, + GPIO_PORTB | 30 | GPIO_GPIO | GPIO_IN, #endif + /* OTG */ + PC7_PF_USBOTG_DATA5, + PC8_PF_USBOTG_DATA6, + PC9_PF_USBOTG_DATA0, + PC10_PF_USBOTG_DATA2, + PC11_PF_USBOTG_DATA1, + PC12_PF_USBOTG_DATA4, + PC13_PF_USBOTG_DATA3, + PE0_PF_USBOTG_NXT, + PE1_PF_USBOTG_STP, + PE2_PF_USBOTG_DIR, + PE24_PF_USBOTG_CLK, + PE25_PF_USBOTG_DATA7, + /* USBH2 */ + PA0_PF_USBH2_CLK, + PA1_PF_USBH2_DIR, + PA2_PF_USBH2_DATA7, + PA3_PF_USBH2_NXT, + PA4_PF_USBH2_STP, + PD19_AF_USBH2_DATA4, + PD20_AF_USBH2_DATA3, + PD21_AF_USBH2_DATA6, + PD22_AF_USBH2_DATA0, + PD23_AF_USBH2_DATA2, + PD24_AF_USBH2_DATA1, + PD26_AF_USBH2_DATA5, }; static struct physmap_flash_data eukrea_cpuimx27_flash_data = { @@ -127,6 +162,8 @@ static struct mxc_nand_platform_data eukrea_cpuimx27_nand_board_info = { static struct platform_device *platform_devices[] __initdata = { &eukrea_cpuimx27_nor_mtd_device, &mxc_fec_device, + &mxc_wdt, + &mxc_w1_master_device, }; static struct imxi2c_platform_data eukrea_cpuimx27_i2c_1_data = { @@ -182,6 +219,36 @@ static struct platform_device serial_device = { }; #endif +static struct mxc_usbh_platform_data otg_pdata = { + .portsc = MXC_EHCI_MODE_ULPI, + .flags = MXC_EHCI_INTERFACE_DIFF_UNI, +}; + +static struct mxc_usbh_platform_data usbh2_pdata = { + .portsc = MXC_EHCI_MODE_ULPI, + .flags = MXC_EHCI_INTERFACE_DIFF_UNI, +}; + +static struct fsl_usb2_platform_data otg_device_pdata = { + .operating_mode = FSL_USB2_DR_DEVICE, + .phy_mode = FSL_USB2_PHY_ULPI, +}; + +static int otg_mode_host; + +static int __init eukrea_cpuimx27_otg_mode(char *options) +{ + if (!strcmp(options, "host")) + otg_mode_host = 1; + else if (!strcmp(options, "device")) + otg_mode_host = 0; + else + pr_info("otg_mode neither \"host\" nor \"device\". " + "Defaulting to device\n"); + return 0; +} +__setup("otg_mode=", eukrea_cpuimx27_otg_mode); + static void __init eukrea_cpuimx27_init(void) { mxc_gpio_setup_multiple_pins(eukrea_cpuimx27_pins, @@ -202,6 +269,8 @@ static void __init eukrea_cpuimx27_init(void) #if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2) /* SDHC2 can be used for Wifi */ mxc_register_device(&mxc_sdhc_device1, NULL); +#endif +#if defined(MACH_EUKREA_CPUIMX27_USEUART4) /* in which case UART4 is also used for Bluetooth */ mxc_register_device(&mxc_uart_device3, &uart_pdata[1]); #endif @@ -210,6 +279,22 @@ static void __init eukrea_cpuimx27_init(void) platform_device_register(&serial_device); #endif +#if defined(CONFIG_USB_ULPI) + if (otg_mode_host) { + otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, + USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); + + mxc_register_device(&mxc_otg_host, &otg_pdata); + } + + usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, + USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); + + mxc_register_device(&mxc_usbh2, &usbh2_pdata); +#endif + if (!otg_mode_host) + mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata); + #ifdef CONFIG_MACH_EUKREA_MBIMX27_BASEBOARD eukrea_mbimx27_baseboard_init(); #endif diff --git a/arch/arm/mach-mx2/mach-pca100.c b/arch/arm/mach-mx2/mach-pca100.c index a87422ed4ff5..7651d0ef4666 100644 --- a/arch/arm/mach-mx2/mach-pca100.c +++ b/arch/arm/mach-mx2/mach-pca100.c @@ -253,6 +253,7 @@ static struct imxmmc_platform_data sdhc_pdata = { .exit = pca100_sdhc2_exit, }; +#if defined(CONFIG_USB_ULPI) static int otg_phy_init(struct platform_device *pdev) { gpio_set_value(OTG_PHY_CS_GPIO, 0); @@ -276,6 +277,7 @@ static struct mxc_usbh_platform_data usbh2_pdata = { .portsc = MXC_EHCI_MODE_ULPI, .flags = MXC_EHCI_INTERFACE_DIFF_UNI, }; +#endif static struct fsl_usb2_platform_data otg_device_pdata = { .operating_mode = FSL_USB2_DR_DEVICE, diff --git a/arch/arm/mach-mx25/clock.c b/arch/arm/mach-mx25/clock.c index 155014993b13..f44d65765b9a 100644 --- a/arch/arm/mach-mx25/clock.c +++ b/arch/arm/mach-mx25/clock.c @@ -217,7 +217,7 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK("mxc_pwm.1", NULL, pwm2_clk) _REGISTER_CLOCK("mxc_pwm.2", NULL, pwm3_clk) _REGISTER_CLOCK("mxc_pwm.3", NULL, pwm4_clk) - _REGISTER_CLOCK("mxc-keypad", NULL, kpp_clk) + _REGISTER_CLOCK("imx-keypad", NULL, kpp_clk) _REGISTER_CLOCK("mx25-adc", NULL, tsc_clk) _REGISTER_CLOCK("imx-i2c.0", NULL, i2c_clk) _REGISTER_CLOCK("imx-i2c.1", NULL, i2c_clk) diff --git a/arch/arm/mach-mx25/devices.c b/arch/arm/mach-mx25/devices.c index 3a405fa400eb..fd331d04ea0d 100644 --- a/arch/arm/mach-mx25/devices.c +++ b/arch/arm/mach-mx25/devices.c @@ -515,3 +515,23 @@ struct platform_device mxc_wdt = { .num_resources = ARRAY_SIZE(mxc_wdt_resources), .resource = mxc_wdt_resources, }; + +static struct resource mx25_kpp_resources[] = { + { + .start = MX25_KPP_BASE_ADDR, + .end = MX25_KPP_BASE_ADDR + 0xf, + .flags = IORESOURCE_MEM, + }, + { + .start = MX25_INT_KPP, + .end = MX25_INT_KPP, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device mx25_kpp_device = { + .name = "imx-keypad", + .id = -1, + .num_resources = ARRAY_SIZE(mx25_kpp_resources), + .resource = mx25_kpp_resources, +}; diff --git a/arch/arm/mach-mx25/devices.h b/arch/arm/mach-mx25/devices.h index cee12c0a0be6..8247fd451118 100644 --- a/arch/arm/mach-mx25/devices.h +++ b/arch/arm/mach-mx25/devices.h @@ -22,3 +22,4 @@ extern struct platform_device mxc_nand_device; extern struct platform_device mx25_rtc_device; extern struct platform_device mx25_fb_device; extern struct platform_device mxc_wdt; +extern struct platform_device mx25_kpp_device; diff --git a/arch/arm/mach-mx25/mach-mx25pdk.c b/arch/arm/mach-mx25/mach-mx25pdk.c index 83d74109e7d8..4a57f68860cb 100644 --- a/arch/arm/mach-mx25/mach-mx25pdk.c +++ b/arch/arm/mach-mx25/mach-mx25pdk.c @@ -24,6 +24,7 @@ #include <linux/gpio.h> #include <linux/fec.h> #include <linux/platform_device.h> +#include <linux/input/matrix_keypad.h> #include <mach/hardware.h> #include <asm/mach-types.h> @@ -80,6 +81,16 @@ static struct pad_desc mx25pdk_pads[] = { MX25_PAD_LSCLK__LSCLK, MX25_PAD_OE_ACD__OE_ACD, MX25_PAD_CONTRAST__CONTRAST, + + /* Keypad */ + MX25_PAD_KPP_ROW0__KPP_ROW0, + MX25_PAD_KPP_ROW1__KPP_ROW1, + MX25_PAD_KPP_ROW2__KPP_ROW2, + MX25_PAD_KPP_ROW3__KPP_ROW3, + MX25_PAD_KPP_COL0__KPP_COL0, + MX25_PAD_KPP_COL1__KPP_COL1, + MX25_PAD_KPP_COL2__KPP_COL2, + MX25_PAD_KPP_COL3__KPP_COL3, }; static struct fec_platform_data mx25_fec_pdata = { @@ -137,6 +148,30 @@ static struct imx_fb_platform_data mx25pdk_fb_pdata = { .dmacr = 0x00020010, }; +static const uint32_t mx25pdk_keymap[] = { + KEY(0, 0, KEY_UP), + KEY(0, 1, KEY_DOWN), + KEY(0, 2, KEY_VOLUMEDOWN), + KEY(0, 3, KEY_HOME), + KEY(1, 0, KEY_RIGHT), + KEY(1, 1, KEY_LEFT), + KEY(1, 2, KEY_ENTER), + KEY(1, 3, KEY_VOLUMEUP), + KEY(2, 0, KEY_F6), + KEY(2, 1, KEY_F8), + KEY(2, 2, KEY_F9), + KEY(2, 3, KEY_F10), + KEY(3, 0, KEY_F1), + KEY(3, 1, KEY_F2), + KEY(3, 2, KEY_F3), + KEY(3, 3, KEY_POWER), +}; + +static struct matrix_keymap_data mx25pdk_keymap_data = { + .keymap = mx25pdk_keymap, + .keymap_size = ARRAY_SIZE(mx25pdk_keymap), +}; + static void __init mx25pdk_init(void) { mxc_iomux_v3_setup_multiple_pads(mx25pdk_pads, @@ -150,6 +185,7 @@ static void __init mx25pdk_init(void) mx25pdk_fec_reset(); mxc_register_device(&mx25_fec_device, &mx25_fec_pdata); + mxc_register_device(&mx25_kpp_device, &mx25pdk_keymap_data); } static void __init mx25pdk_timer_init(void) diff --git a/arch/arm/mach-mx3/mach-mx31lilly.c b/arch/arm/mach-mx3/mach-mx31lilly.c index d3d5877c750e..4b330844ccc5 100644 --- a/arch/arm/mach-mx3/mach-mx31lilly.c +++ b/arch/arm/mach-mx3/mach-mx31lilly.c @@ -115,6 +115,8 @@ static struct platform_device physmap_flash_device = { /* USB */ +#if defined(CONFIG_USB_ULPI) + #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \ PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU) @@ -244,10 +246,20 @@ static struct mxc_usbh_platform_data usbh2_pdata = { .flags = MXC_EHCI_POWER_PINS_ENABLED, }; -static struct platform_device *devices[] __initdata = { - &smsc91x_device, - &physmap_flash_device, -}; +static void lilly1131_usb_init(void) +{ + usbotg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, + USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); + usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, + USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); + + mxc_register_device(&mxc_usbh1, &usbh1_pdata); + mxc_register_device(&mxc_usbh2, &usbh2_pdata); +} + +#else +static inline void lilly1131_usb_init(void) {} +#endif /* CONFIG_USB_ULPI */ /* SPI */ @@ -277,6 +289,12 @@ static struct spi_board_info mc13783_dev __initdata = { .bus_num = 1, .chip_select = 0, .platform_data = &mc13783_pdata, + .irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3), +}; + +static struct platform_device *devices[] __initdata = { + &smsc91x_device, + &physmap_flash_device, }; static int mx31lilly_baseboard; @@ -321,13 +339,7 @@ static void __init mx31lilly_board_init(void) platform_add_devices(devices, ARRAY_SIZE(devices)); /* USB */ - usbotg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, - USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); - usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, - USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); - - mxc_register_device(&mxc_usbh1, &usbh1_pdata); - mxc_register_device(&mxc_usbh2, &usbh2_pdata); + lilly1131_usb_init(); } static void __init mx31lilly_timer_init(void) diff --git a/arch/arm/mach-mx3/mach-pcm037.c b/arch/arm/mach-mx3/mach-pcm037.c index cce410662383..bb6c056854e9 100644 --- a/arch/arm/mach-mx3/mach-pcm037.c +++ b/arch/arm/mach-mx3/mach-pcm037.c @@ -545,6 +545,7 @@ static struct platform_device pcm970_sja1000 = { .num_resources = ARRAY_SIZE(pcm970_sja1000_resources), }; +#if defined(CONFIG_USB_ULPI) static struct mxc_usbh_platform_data otg_pdata = { .portsc = MXC_EHCI_MODE_ULPI, .flags = MXC_EHCI_INTERFACE_DIFF_UNI, @@ -554,6 +555,7 @@ static struct mxc_usbh_platform_data usbh2_pdata = { .portsc = MXC_EHCI_MODE_ULPI, .flags = MXC_EHCI_INTERFACE_DIFF_UNI, }; +#endif static struct fsl_usb2_platform_data otg_device_pdata = { .operating_mode = FSL_USB2_DR_DEVICE, @@ -581,7 +583,6 @@ __setup("otg_mode=", pcm037_otg_mode); static void __init mxc_board_init(void) { int ret; - u32 tmp; mxc_iomux_set_gpr(MUX_PGP_UH2, 1); diff --git a/arch/arm/mach-mx3/mach-pcm043.c b/arch/arm/mach-mx3/mach-pcm043.c index 78d9185a9d4b..8071b7281c4b 100644 --- a/arch/arm/mach-mx3/mach-pcm043.c +++ b/arch/arm/mach-mx3/mach-pcm043.c @@ -309,6 +309,7 @@ static struct mxc_nand_platform_data pcm037_nand_board_info = { .hw_ecc = 1, }; +#if defined(CONFIG_USB_ULPI) static struct mxc_usbh_platform_data otg_pdata = { .portsc = MXC_EHCI_MODE_UTMI, .flags = MXC_EHCI_INTERFACE_DIFF_UNI, @@ -319,6 +320,7 @@ static struct mxc_usbh_platform_data usbh1_pdata = { .flags = MXC_EHCI_INTERFACE_SINGLE_UNI | MXC_EHCI_INTERNAL_PHY | MXC_EHCI_IPPUE_DOWN, }; +#endif static struct fsl_usb2_platform_data otg_device_pdata = { .operating_mode = FSL_USB2_DR_DEVICE, diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c index ed885f9d7b73..19cde6896302 100644 --- a/arch/arm/mach-mx5/board-mx51_babbage.c +++ b/arch/arm/mach-mx5/board-mx51_babbage.c @@ -12,6 +12,7 @@ #include <linux/init.h> #include <linux/platform_device.h> +#include <linux/i2c.h> #include <linux/gpio.h> #include <linux/delay.h> #include <linux/io.h> @@ -21,6 +22,7 @@ #include <mach/hardware.h> #include <mach/imx-uart.h> #include <mach/iomux-mx51.h> +#include <mach/i2c.h> #include <mach/mxc_ehci.h> #include <asm/irq.h> @@ -64,6 +66,18 @@ static struct pad_desc mx51babbage_pads[] = { MX51_PAD_EIM_D27__UART3_RTS, MX51_PAD_EIM_D24__UART3_CTS, + /* I2C1 */ + MX51_PAD_EIM_D16__I2C1_SDA, + MX51_PAD_EIM_D19__I2C1_SCL, + + /* I2C2 */ + MX51_PAD_KEY_COL4__I2C2_SCL, + MX51_PAD_KEY_COL5__I2C2_SDA, + + /* HSI2C */ + MX51_PAD_I2C1_CLK__HSI2C_CLK, + MX51_PAD_I2C1_DAT__HSI2C_DAT, + /* USB HOST1 */ MX51_PAD_USBH1_CLK__USBH1_CLK, MX51_PAD_USBH1_DIR__USBH1_DIR, @@ -99,6 +113,14 @@ static inline void mxc_init_imx_uart(void) } #endif /* SERIAL_IMX */ +static struct imxi2c_platform_data babbage_i2c_data = { + .bitrate = 100000, +}; + +static struct imxi2c_platform_data babbage_hsi2c_data = { + .bitrate = 400000, +}; + static int gpio_usbh1_active(void) { struct pad_desc usbh1stp_gpio = MX51_PAD_USBH1_STP__GPIO_1_27; @@ -230,6 +252,10 @@ static void __init mxc_board_init(void) mxc_init_imx_uart(); platform_add_devices(devices, ARRAY_SIZE(devices)); + mxc_register_device(&mxc_i2c_device0, &babbage_i2c_data); + mxc_register_device(&mxc_i2c_device1, &babbage_i2c_data); + mxc_register_device(&mxc_hsi2c_device, &babbage_hsi2c_data); + if (otg_mode_host) mxc_register_device(&mxc_usbdr_host_device, &dr_utmi_config); else { diff --git a/arch/arm/mach-mx5/clock-mx51.c b/arch/arm/mach-mx5/clock-mx51.c index d9f612d3370e..fd24092154b5 100644 --- a/arch/arm/mach-mx5/clock-mx51.c +++ b/arch/arm/mach-mx5/clock-mx51.c @@ -798,6 +798,14 @@ DEFINE_CLOCK(gpt_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG9_OFFSET, DEFINE_CLOCK(gpt_ipg_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG10_OFFSET, NULL, NULL, &ipg_clk, NULL); +/* I2C */ +DEFINE_CLOCK(i2c1_clk, 0, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG9_OFFSET, + NULL, NULL, &ipg_clk, NULL); +DEFINE_CLOCK(i2c2_clk, 1, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG10_OFFSET, + NULL, NULL, &ipg_clk, NULL); +DEFINE_CLOCK(hsi2c_clk, 0, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG11_OFFSET, + NULL, NULL, &ipg_clk, NULL); + /* FEC */ DEFINE_CLOCK(fec_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG12_OFFSET, NULL, NULL, &ipg_clk, NULL); @@ -815,6 +823,9 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk) _REGISTER_CLOCK(NULL, "gpt", gpt_clk) _REGISTER_CLOCK("fec.0", NULL, fec_clk) + _REGISTER_CLOCK("imx-i2c.0", NULL, i2c1_clk) + _REGISTER_CLOCK("imx-i2c.1", NULL, i2c2_clk) + _REGISTER_CLOCK("imx-i2c.2", NULL, hsi2c_clk) _REGISTER_CLOCK("mxc-ehci.0", "usb", usboh3_clk) _REGISTER_CLOCK("mxc-ehci.0", "usb_ahb", ahb_clk) _REGISTER_CLOCK("mxc-ehci.1", "usb", usboh3_clk) diff --git a/arch/arm/mach-mx5/devices.c b/arch/arm/mach-mx5/devices.c index 7130449aacdc..ede4fcbc7e80 100644 --- a/arch/arm/mach-mx5/devices.c +++ b/arch/arm/mach-mx5/devices.c @@ -93,6 +93,64 @@ struct platform_device mxc_fec_device = { .resource = mxc_fec_resources, }; +static struct resource mxc_i2c0_resources[] = { + { + .start = MX51_I2C1_BASE_ADDR, + .end = MX51_I2C1_BASE_ADDR + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, { + .start = MX51_MXC_INT_I2C1, + .end = MX51_MXC_INT_I2C1, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device mxc_i2c_device0 = { + .name = "imx-i2c", + .id = 0, + .num_resources = ARRAY_SIZE(mxc_i2c0_resources), + .resource = mxc_i2c0_resources, +}; + +static struct resource mxc_i2c1_resources[] = { + { + .start = MX51_I2C2_BASE_ADDR, + .end = MX51_I2C2_BASE_ADDR + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, { + .start = MX51_MXC_INT_I2C2, + .end = MX51_MXC_INT_I2C2, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device mxc_i2c_device1 = { + .name = "imx-i2c", + .id = 1, + .num_resources = ARRAY_SIZE(mxc_i2c1_resources), + .resource = mxc_i2c1_resources, +}; + +static struct resource mxc_hsi2c_resources[] = { + { + .start = MX51_HSI2C_DMA_BASE_ADDR, + .end = MX51_HSI2C_DMA_BASE_ADDR + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = MX51_MXC_INT_HS_I2C, + .end = MX51_MXC_INT_HS_I2C, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device mxc_hsi2c_device = { + .name = "imx-i2c", + .id = 2, + .num_resources = ARRAY_SIZE(mxc_hsi2c_resources), + .resource = mxc_hsi2c_resources +}; + static u64 usb_dma_mask = DMA_BIT_MASK(32); static struct resource usbotg_resources[] = { diff --git a/arch/arm/mach-mx5/devices.h b/arch/arm/mach-mx5/devices.h index c879ae71cd5b..a853933682e7 100644 --- a/arch/arm/mach-mx5/devices.h +++ b/arch/arm/mach-mx5/devices.h @@ -6,3 +6,6 @@ extern struct platform_device mxc_usbdr_host_device; extern struct platform_device mxc_usbh1_device; extern struct platform_device mxc_usbdr_udc_device; extern struct platform_device mxc_wdt; +extern struct platform_device mxc_i2c_device0; +extern struct platform_device mxc_i2c_device1; +extern struct platform_device mxc_hsi2c_device; diff --git a/arch/arm/mach-nomadik/clock.c b/arch/arm/mach-nomadik/clock.c index 2c471fc451d7..f035f4185274 100644 --- a/arch/arm/mach-nomadik/clock.c +++ b/arch/arm/mach-nomadik/clock.c @@ -32,7 +32,10 @@ void clk_disable(struct clk *clk) } EXPORT_SYMBOL(clk_disable); -/* We have a fixed clock alone, for now */ +static struct clk clk_24 = { + .rate = 2400000, +}; + static struct clk clk_48 = { .rate = 48 * 1000 * 1000, }; @@ -50,6 +53,8 @@ static struct clk clk_default; } static struct clk_lookup lookups[] = { + CLK(&clk_24, "mtu0"), + CLK(&clk_24, "mtu1"), CLK(&clk_48, "uart0"), CLK(&clk_48, "uart1"), CLK(&clk_default, "gpio.0"), @@ -59,10 +64,8 @@ static struct clk_lookup lookups[] = { CLK(&clk_default, "rng"), }; -static int __init clk_init(void) +int __init clk_init(void) { clkdev_add_table(lookups, ARRAY_SIZE(lookups)); return 0; } - -arch_initcall(clk_init); diff --git a/arch/arm/mach-nomadik/clock.h b/arch/arm/mach-nomadik/clock.h index 5563985a2cc7..78da2e7c3985 100644 --- a/arch/arm/mach-nomadik/clock.h +++ b/arch/arm/mach-nomadik/clock.h @@ -11,3 +11,5 @@ struct clk { unsigned long rate; }; + +int __init clk_init(void); diff --git a/arch/arm/mach-nomadik/cpu-8815.c b/arch/arm/mach-nomadik/cpu-8815.c index 91c3c901b469..ac58e3b03b1a 100644 --- a/arch/arm/mach-nomadik/cpu-8815.c +++ b/arch/arm/mach-nomadik/cpu-8815.c @@ -31,6 +31,8 @@ #include <asm/cacheflush.h> #include <asm/hardware/cache-l2x0.h> +#include "clock.h" + #define __MEM_4K_RESOURCE(x) \ .res = {.start = (x), .end = (x) + SZ_4K - 1, .flags = IORESOURCE_MEM} @@ -143,6 +145,12 @@ void __init cpu8815_init_irq(void) /* This modified VIC cell has two register blocks, at 0 and 0x20 */ vic_init(io_p2v(NOMADIK_IC_BASE + 0x00), IRQ_VIC_START + 0, ~0, 0); vic_init(io_p2v(NOMADIK_IC_BASE + 0x20), IRQ_VIC_START + 32, ~0, 0); + + /* + * Init clocks here so that they are available for system timer + * initialization. + */ + clk_init(); } /* diff --git a/arch/arm/mach-omap2/usb-ehci.c b/arch/arm/mach-omap2/usb-ehci.c index c68f799e83c5..d72d1ac30333 100644 --- a/arch/arm/mach-omap2/usb-ehci.c +++ b/arch/arm/mach-omap2/usb-ehci.c @@ -20,6 +20,8 @@ #include <linux/delay.h> #include <linux/platform_device.h> #include <linux/clk.h> +#include <linux/dma-mapping.h> + #include <asm/io.h> #include <plat/mux.h> diff --git a/arch/arm/mach-s3c64xx/clock.c b/arch/arm/mach-s3c64xx/clock.c index 7a4138beb665..fbd85a9b7bbf 100644 --- a/arch/arm/mach-s3c64xx/clock.c +++ b/arch/arm/mach-s3c64xx/clock.c @@ -259,6 +259,12 @@ static struct clk init_clocks[] = { .enable = s3c64xx_hclk_ctrl, .ctrlbit = S3C_CLKCON_HCLK_HSMMC2, }, { + .name = "otg", + .id = -1, + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_USB, + }, { .name = "timers", .id = -1, .parent = &clk_p, diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig index f2b88c5fe142..1de8d171c6e9 100644 --- a/arch/arm/mach-shmobile/Kconfig +++ b/arch/arm/mach-shmobile/Kconfig @@ -7,6 +7,7 @@ config ARCH_SH7367 select CPU_V6 select HAVE_CLK select COMMON_CLKDEV + select SH_CLK_CPG select GENERIC_CLOCKEVENTS config ARCH_SH7377 @@ -14,6 +15,7 @@ config ARCH_SH7377 select CPU_V7 select HAVE_CLK select COMMON_CLKDEV + select SH_CLK_CPG select GENERIC_CLOCKEVENTS config ARCH_SH7372 @@ -21,6 +23,7 @@ config ARCH_SH7372 select CPU_V7 select HAVE_CLK select COMMON_CLKDEV + select SH_CLK_CPG select GENERIC_CLOCKEVENTS comment "SH-Mobile Board Type" @@ -39,6 +42,7 @@ config MACH_AP4EVB bool "AP4EVB board" depends on ARCH_SH7372 select ARCH_REQUIRE_GPIOLIB + select SH_LCD_MIPI_DSI comment "SH-Mobile System Configuration" @@ -76,6 +80,15 @@ config SH_TIMER_CMT help This enables build of the CMT timer driver. +config SH_TIMER_TMU + bool "TMU timer driver" + default y + help + This enables build of the TMU timer driver. + endmenu +config SH_CLK_CPG + bool + endif diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile index 6d385d371c33..5e16b4c69222 100644 --- a/arch/arm/mach-shmobile/Makefile +++ b/arch/arm/mach-shmobile/Makefile @@ -3,12 +3,12 @@ # # Common objects -obj-y := timer.o console.o +obj-y := timer.o console.o clock.o # CPU objects obj-$(CONFIG_ARCH_SH7367) += setup-sh7367.o clock-sh7367.o intc-sh7367.o -obj-$(CONFIG_ARCH_SH7377) += setup-sh7377.o clock-sh7367.o intc-sh7377.o -obj-$(CONFIG_ARCH_SH7372) += setup-sh7372.o clock-sh7367.o intc-sh7372.o +obj-$(CONFIG_ARCH_SH7377) += setup-sh7377.o clock-sh7377.o intc-sh7377.o +obj-$(CONFIG_ARCH_SH7372) += setup-sh7372.o clock-sh7372.o intc-sh7372.o # Pinmux setup pfc-$(CONFIG_ARCH_SH7367) := pfc-sh7367.o diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c index 1c2ec96ce261..bdc4c6bd3108 100644 --- a/arch/arm/mach-shmobile/board-ap4evb.c +++ b/arch/arm/mach-shmobile/board-ap4evb.c @@ -17,25 +17,44 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ +#include <linux/clk.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/platform_device.h> #include <linux/delay.h> +#include <linux/mfd/sh_mobile_sdhi.h> +#include <linux/mmc/host.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/mtd/physmap.h> +#include <linux/mmc/host.h> +#include <linux/mmc/sh_mmcif.h> +#include <linux/i2c.h> +#include <linux/i2c/tsc2007.h> #include <linux/io.h> #include <linux/smsc911x.h> +#include <linux/sh_intc.h> +#include <linux/sh_clk.h> #include <linux/gpio.h> #include <linux/input.h> #include <linux/input/sh_keysc.h> +#include <linux/usb/r8a66597.h> + +#include <sound/sh_fsi.h> + +#include <video/sh_mobile_lcdc.h> +#include <video/sh_mipi_dsi.h> + #include <mach/common.h> +#include <mach/irqs.h> #include <mach/sh7372.h> + #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> +#include <asm/mach/time.h> /* * Address Interface BusWidth note @@ -80,12 +99,44 @@ */ /* - * KEYSC + * LCD / IRQ / KEYSC / IrDA + * + * IRQ = IRQ26 (TS), IRQ27 (VIO), IRQ28 (TouchScreen) + * LCD = 2nd LCDC * - * SW43 KEYSC - * ------------------------- - * ON enable - * OFF disable + * | SW43 | + * SW3 | ON | OFF | + * -------------+-----------------------+---------------+ + * ON | KEY / IrDA | LCD | + * OFF | KEY / IrDA / IRQ | IRQ | + */ + +/* + * USB + * + * J7 : 1-2 MAX3355E VBUS + * 2-3 DC 5.0V + * + * S39: bit2: off + */ + +/* + * FSI/FSMI + * + * SW41 : ON : SH-Mobile AP4 Audio Mode + * : OFF : Bluetooth Audio Mode + */ + +/* + * MMC (CN7) + * + * J22 : 1-2: 1.8v for MMC + * 2-3: 3.3v for MMC + * SW1 : OFF + * SW33: bit1: OFF + * bit2: ON + * bit3: ON + * bit4: X */ /* MTD */ @@ -148,7 +199,7 @@ static struct resource smc911x_resources[] = { .end = 0x16000000 - 1, .flags = IORESOURCE_MEM, }, { - .start = 6, + .start = evt2irq(0x02c0) /* IRQ6A */, .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, }, }; @@ -191,7 +242,7 @@ static struct resource keysc_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = 79, + .start = evt2irq(0x0be0), /* KEYSC_KEY */ .flags = IORESOURCE_IRQ, }, }; @@ -206,7 +257,52 @@ static struct platform_device keysc_device = { }, }; +/* SH_MMCIF */ +static struct resource sh_mmcif_resources[] = { + [0] = { + .name = "SH_MMCIF", + .start = 0xE6BD0000, + .end = 0xE6BD00FF, + .flags = IORESOURCE_MEM, + }, + [1] = { + /* MMC ERR */ + .start = 198, + .flags = IORESOURCE_IRQ, + }, + [2] = { + /* MMC NOR */ + .start = 199, + .flags = IORESOURCE_IRQ, + }, +}; + +struct sh_mmcif_plat_data sh_mmcif_plat = { + .sup_pclk = 0, + .ocr = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34, + .caps = MMC_CAP_4_BIT_DATA | + MMC_CAP_8_BIT_DATA | + MMC_CAP_NEEDS_POLL, +}; + +static struct platform_device sh_mmcif_device = { + .name = "sh_mmcif", + .id = 0, + .dev = { + .dma_mask = NULL, + .coherent_dma_mask = 0xffffffff, + .platform_data = &sh_mmcif_plat, + }, + .num_resources = ARRAY_SIZE(sh_mmcif_resources), + .resource = sh_mmcif_resources, +}; + /* SDHI0 */ +static struct sh_mobile_sdhi_info sdhi0_info = { + .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX, + .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX, +}; + static struct resource sdhi0_resources[] = { [0] = { .name = "SDHI0", @@ -215,7 +311,7 @@ static struct resource sdhi0_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = 96, + .start = evt2irq(0x0e00) /* SDHI0 */, .flags = IORESOURCE_IRQ, }, }; @@ -225,6 +321,206 @@ static struct platform_device sdhi0_device = { .num_resources = ARRAY_SIZE(sdhi0_resources), .resource = sdhi0_resources, .id = 0, + .dev = { + .platform_data = &sdhi0_info, + }, +}; + +/* SDHI1 */ +static struct sh_mobile_sdhi_info sdhi1_info = { + .dma_slave_tx = SHDMA_SLAVE_SDHI1_TX, + .dma_slave_rx = SHDMA_SLAVE_SDHI1_RX, + .tmio_ocr_mask = MMC_VDD_165_195, +}; + +static struct resource sdhi1_resources[] = { + [0] = { + .name = "SDHI1", + .start = 0xe6860000, + .end = 0xe68601ff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = evt2irq(0x0e80), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device sdhi1_device = { + .name = "sh_mobile_sdhi", + .num_resources = ARRAY_SIZE(sdhi1_resources), + .resource = sdhi1_resources, + .id = 1, + .dev = { + .platform_data = &sdhi1_info, + }, +}; + +/* USB1 */ +void usb1_host_port_power(int port, int power) +{ + if (!power) /* only power-on supported for now */ + return; + + /* set VBOUT/PWEN and EXTLP1 in DVSTCTR */ + __raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008); +} + +static struct r8a66597_platdata usb1_host_data = { + .on_chip = 1, + .port_power = usb1_host_port_power, +}; + +static struct resource usb1_host_resources[] = { + [0] = { + .name = "USBHS", + .start = 0xE68B0000, + .end = 0xE68B00E6 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = evt2irq(0x1ce0) /* USB1_USB1I0 */, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device usb1_host_device = { + .name = "r8a66597_hcd", + .id = 1, + .dev = { + .dma_mask = NULL, /* not use dma */ + .coherent_dma_mask = 0xffffffff, + .platform_data = &usb1_host_data, + }, + .num_resources = ARRAY_SIZE(usb1_host_resources), + .resource = usb1_host_resources, +}; + +static struct sh_mobile_lcdc_info sh_mobile_lcdc_info = { + .clock_source = LCDC_CLK_PERIPHERAL, /* One of interface clocks */ + .ch[0] = { + .chan = LCDC_CHAN_MAINLCD, + .bpp = 16, + .interface_type = RGB24, + .clock_divider = 1, + .flags = LCDC_FLAGS_DWPOL, + .lcd_cfg = { + .name = "R63302(QHD)", + .xres = 544, + .yres = 961, + .left_margin = 72, + .right_margin = 600, + .hsync_len = 16, + .upper_margin = 8, + .lower_margin = 8, + .vsync_len = 2, + .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT, + }, + .lcd_size_cfg = { + .width = 44, + .height = 79, + }, + } +}; + +static struct resource lcdc_resources[] = { + [0] = { + .name = "LCDC", + .start = 0xfe940000, /* P4-only space */ + .end = 0xfe943fff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = intcs_evt2irq(0x580), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device lcdc_device = { + .name = "sh_mobile_lcdc_fb", + .num_resources = ARRAY_SIZE(lcdc_resources), + .resource = lcdc_resources, + .dev = { + .platform_data = &sh_mobile_lcdc_info, + .coherent_dma_mask = ~0, + }, +}; + +static struct resource mipidsi0_resources[] = { + [0] = { + .start = 0xffc60000, + .end = 0xffc68fff, + .flags = IORESOURCE_MEM, + }, +}; + +static struct sh_mipi_dsi_info mipidsi0_info = { + .data_format = MIPI_RGB888, + .lcd_chan = &sh_mobile_lcdc_info.ch[0], +}; + +static struct platform_device mipidsi0_device = { + .name = "sh-mipi-dsi", + .num_resources = ARRAY_SIZE(mipidsi0_resources), + .resource = mipidsi0_resources, + .id = 0, + .dev = { + .platform_data = &mipidsi0_info, + }, +}; + +/* FSI */ +#define IRQ_FSI evt2irq(0x1840) +#define FSIACKCR 0xE6150018 +static void fsiackcr_init(struct clk *clk) +{ + u32 status = __raw_readl(clk->enable_reg); + + /* use external clock */ + status &= ~0x000000ff; + status |= 0x00000080; + __raw_writel(status, clk->enable_reg); +} + +static struct clk_ops fsiackcr_clk_ops = { + .init = fsiackcr_init, +}; + +static struct clk fsiackcr_clk = { + .ops = &fsiackcr_clk_ops, + .enable_reg = (void __iomem *)FSIACKCR, + .rate = 0, /* unknown */ +}; + +struct sh_fsi_platform_info fsi_info = { + .porta_flags = SH_FSI_BRS_INV | + SH_FSI_OUT_SLAVE_MODE | + SH_FSI_IN_SLAVE_MODE | + SH_FSI_OFMT(PCM) | + SH_FSI_IFMT(PCM), +}; + +static struct resource fsi_resources[] = { + [0] = { + .name = "FSI", + .start = 0xFE3C0000, + .end = 0xFE3C0400 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_FSI, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device fsi_device = { + .name = "sh_fsi2", + .id = 0, + .num_resources = ARRAY_SIZE(fsi_resources), + .resource = fsi_resources, + .dev = { + .platform_data = &fsi_info, + }, }; static struct platform_device *ap4evb_devices[] __initdata = { @@ -232,6 +528,38 @@ static struct platform_device *ap4evb_devices[] __initdata = { &smc911x_device, &keysc_device, &sdhi0_device, + &sdhi1_device, + &usb1_host_device, + &lcdc_device, + &mipidsi0_device, + &fsi_device, + &sh_mmcif_device +}; + +/* TouchScreen (Needs SW3 set to OFF) */ +#define IRQ28 evt2irq(0x3380) /* IRQ28A */ +struct tsc2007_platform_data tsc2007_info = { + .model = 2007, + .x_plate_ohms = 180, +}; + +/* I2C */ +static struct i2c_board_info i2c0_devices[] = { + { + I2C_BOARD_INFO("ak4643", 0x13), + }, +}; + +static struct i2c_board_info i2c1_devices[] = { + { + I2C_BOARD_INFO("r2025sd", 0x32), + }, + { + I2C_BOARD_INFO("tsc2007", 0x48), + .type = "tsc2007", + .platform_data = &tsc2007_info, + .irq = IRQ28, + }, }; static struct map_desc ap4evb_io_desc[] __initdata = { @@ -250,14 +578,71 @@ static void __init ap4evb_map_io(void) { iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc)); - /* setup early devices, clocks and console here as well */ + /* setup early devices and console here as well */ sh7372_add_early_devices(); - sh7367_clock_init(); /* use g3 clocks for now */ shmobile_setup_console(); } +/* This function will disappear when we switch to (runtime) PM */ +static int __init ap4evb_init_display_clk(void) +{ + struct clk *lcdc_clk; + struct clk *dsitx_clk; + int ret; + + lcdc_clk = clk_get(&lcdc_device.dev, "sh_mobile_lcdc_fb.0"); + if (IS_ERR(lcdc_clk)) + return PTR_ERR(lcdc_clk); + + dsitx_clk = clk_get(&mipidsi0_device.dev, "sh-mipi-dsi.0"); + if (IS_ERR(dsitx_clk)) { + ret = PTR_ERR(dsitx_clk); + goto eclkdsitxget; + } + + ret = clk_enable(lcdc_clk); + if (ret < 0) + goto eclklcdcon; + + ret = clk_enable(dsitx_clk); + if (ret < 0) + goto eclkdsitxon; + + return 0; + +eclkdsitxon: + clk_disable(lcdc_clk); +eclklcdcon: + clk_put(dsitx_clk); +eclkdsitxget: + clk_put(lcdc_clk); + + return ret; +} + +device_initcall(ap4evb_init_display_clk); + +/* + * FIXME !! + * + * gpio_no_direction is quick_hack. + * + * current gpio frame work doesn't have + * the method to control only pull up/down/free. + * this function should be replaced by correct gpio function + */ +static void __init gpio_no_direction(u32 addr) +{ + __raw_writeb(0x00, addr); +} + +#define GPIO_PORT9CR 0xE6051009 +#define GPIO_PORT10CR 0xE605100A + static void __init ap4evb_init(void) { + struct clk *clk; + sh7372_pinmux_init(); /* enable SCIFA0 */ @@ -318,16 +703,102 @@ static void __init ap4evb_init(void) gpio_request(GPIO_FN_SDHID0_1, NULL); gpio_request(GPIO_FN_SDHID0_0, NULL); + /* enable TouchScreen */ + gpio_request(GPIO_FN_IRQ28_123, NULL); + set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW); + + /* MMCIF */ + gpio_request(GPIO_FN_MMCD0_0, NULL); + gpio_request(GPIO_FN_MMCD0_1, NULL); + gpio_request(GPIO_FN_MMCD0_2, NULL); + gpio_request(GPIO_FN_MMCD0_3, NULL); + gpio_request(GPIO_FN_MMCD0_4, NULL); + gpio_request(GPIO_FN_MMCD0_5, NULL); + gpio_request(GPIO_FN_MMCD0_6, NULL); + gpio_request(GPIO_FN_MMCD0_7, NULL); + gpio_request(GPIO_FN_MMCCMD0, NULL); + gpio_request(GPIO_FN_MMCCLK0, NULL); + + /* USB enable */ + gpio_request(GPIO_FN_VBUS0_1, NULL); + gpio_request(GPIO_FN_IDIN_1_18, NULL); + gpio_request(GPIO_FN_PWEN_1_115, NULL); + gpio_request(GPIO_FN_OVCN_1_114, NULL); + gpio_request(GPIO_FN_EXTLP_1, NULL); + gpio_request(GPIO_FN_OVCN2_1, NULL); + + /* setup USB phy */ + __raw_writew(0x8a0a, 0xE6058130); /* USBCR2 */ + + /* enable FSI2 */ + gpio_request(GPIO_FN_FSIAIBT, NULL); + gpio_request(GPIO_FN_FSIAILR, NULL); + gpio_request(GPIO_FN_FSIAISLD, NULL); + gpio_request(GPIO_FN_FSIAOSLD, NULL); + gpio_request(GPIO_PORT161, NULL); + gpio_direction_output(GPIO_PORT161, 0); /* slave */ + + gpio_request(GPIO_PORT9, NULL); + gpio_request(GPIO_PORT10, NULL); + gpio_no_direction(GPIO_PORT9CR); /* FSIAOBT needs no direction */ + gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */ + + /* set SPU2 clock to 119.6 MHz */ + clk = clk_get(NULL, "spu_clk"); + if (!IS_ERR(clk)) { + clk_set_rate(clk, clk_round_rate(clk, 119600000)); + clk_put(clk); + } + + /* change parent of FSI A */ + clk = clk_get(NULL, "fsia_clk"); + if (!IS_ERR(clk)) { + clk_register(&fsiackcr_clk); + clk_set_parent(clk, &fsiackcr_clk); + clk_put(clk); + } + + /* + * set irq priority, to avoid sound chopping + * when NFS rootfs is used + * FSI(3) > SMSC911X(2) + */ + intc_set_priority(IRQ_FSI, 3); + + i2c_register_board_info(0, i2c0_devices, + ARRAY_SIZE(i2c0_devices)); + + i2c_register_board_info(1, i2c1_devices, + ARRAY_SIZE(i2c1_devices)); + + /* SDHI1 */ + gpio_request(GPIO_FN_SDHICMD1, NULL); + gpio_request(GPIO_FN_SDHICLK1, NULL); + gpio_request(GPIO_FN_SDHID1_3, NULL); + gpio_request(GPIO_FN_SDHID1_2, NULL); + gpio_request(GPIO_FN_SDHID1_1, NULL); + gpio_request(GPIO_FN_SDHID1_0, NULL); + sh7372_add_standard_devices(); platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices)); } +static void __init ap4evb_timer_init(void) +{ + sh7372_clock_init(); + shmobile_timer.init(); +} + +static struct sys_timer ap4evb_timer = { + .init = ap4evb_timer_init, +}; + MACHINE_START(AP4EVB, "ap4evb") .phys_io = 0xe6000000, .io_pg_offst = ((0xe6000000) >> 18) & 0xfffc, .map_io = ap4evb_map_io, .init_irq = sh7372_init_irq, .init_machine = ap4evb_init, - .timer = &shmobile_timer, + .timer = &ap4evb_timer, MACHINE_END diff --git a/arch/arm/mach-shmobile/board-g3evm.c b/arch/arm/mach-shmobile/board-g3evm.c index 9247503296c4..a8f20cb0b7d2 100644 --- a/arch/arm/mach-shmobile/board-g3evm.c +++ b/arch/arm/mach-shmobile/board-g3evm.c @@ -37,6 +37,15 @@ #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> +#include <asm/mach/time.h> + +/* + * IrDA + * + * S67: 5bit : ON power + * : 6bit : ON remote control + * OFF IrDA + */ static struct mtd_partition nor_flash_partitions[] = { { @@ -113,7 +122,7 @@ static struct resource usb_host_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = 65, + .start = evt2irq(0xa20), /* USBHS_USHI0 */ .flags = IORESOURCE_IRQ, }, }; @@ -153,7 +162,7 @@ static struct resource keysc_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = 79, + .start = evt2irq(0xbe0), /* KEYSC_KEY */ .flags = IORESOURCE_IRQ, }, }; @@ -209,11 +218,30 @@ static struct platform_device nand_flash_device = { }, }; +static struct resource irda_resources[] = { + [0] = { + .start = 0xE6D00000, + .end = 0xE6D01FD4 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = evt2irq(0x480), /* IRDA */ + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device irda_device = { + .name = "sh_irda", + .resource = irda_resources, + .num_resources = ARRAY_SIZE(irda_resources), +}; + static struct platform_device *g3evm_devices[] __initdata = { &nor_flash_device, &usb_host_device, &keysc_device, &nand_flash_device, + &irda_device, }; static struct map_desc g3evm_io_desc[] __initdata = { @@ -232,9 +260,8 @@ static void __init g3evm_map_io(void) { iotable_init(g3evm_io_desc, ARRAY_SIZE(g3evm_io_desc)); - /* setup early devices, clocks and console here as well */ + /* setup early devices and console here as well */ sh7367_add_early_devices(); - sh7367_clock_init(); shmobile_setup_console(); } @@ -271,9 +298,6 @@ static void __init g3evm_init(void) gpio_request(GPIO_FN_EXTLP, NULL); gpio_request(GPIO_FN_IDIN, NULL); - /* enable clock in SYMSTPCR2 */ - __raw_writel(__raw_readl(0xe6158048) & ~(1 << 22), 0xe6158048); - /* setup USB phy */ __raw_writew(0x0300, 0xe605810a); /* USBCR1 */ __raw_writew(0x00e0, 0xe60581c0); /* CPFCH */ @@ -318,16 +342,32 @@ static void __init g3evm_init(void) /* FOE, FCDE, FSC on dedicated pins */ __raw_writel(__raw_readl(0xe6158048) & ~(1 << 15), 0xe6158048); + /* IrDA */ + gpio_request(GPIO_FN_IRDA_OUT, NULL); + gpio_request(GPIO_FN_IRDA_IN, NULL); + gpio_request(GPIO_FN_IRDA_FIRSEL, NULL); + set_irq_type(evt2irq(0x480), IRQ_TYPE_LEVEL_LOW); + sh7367_add_standard_devices(); platform_add_devices(g3evm_devices, ARRAY_SIZE(g3evm_devices)); } +static void __init g3evm_timer_init(void) +{ + sh7367_clock_init(); + shmobile_timer.init(); +} + +static struct sys_timer g3evm_timer = { + .init = g3evm_timer_init, +}; + MACHINE_START(G3EVM, "g3evm") .phys_io = 0xe6000000, .io_pg_offst = ((0xe6000000) >> 18) & 0xfffc, .map_io = g3evm_map_io, .init_irq = sh7367_init_irq, .init_machine = g3evm_init, - .timer = &shmobile_timer, + .timer = &g3evm_timer, MACHINE_END diff --git a/arch/arm/mach-shmobile/board-g4evm.c b/arch/arm/mach-shmobile/board-g4evm.c index 10673a90be52..e256b7cc4275 100644 --- a/arch/arm/mach-shmobile/board-g4evm.c +++ b/arch/arm/mach-shmobile/board-g4evm.c @@ -30,12 +30,39 @@ #include <linux/io.h> #include <linux/input.h> #include <linux/input/sh_keysc.h> +#include <linux/mfd/sh_mobile_sdhi.h> #include <linux/gpio.h> #include <mach/sh7377.h> #include <mach/common.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> +#include <asm/mach/time.h> + +/* + * SDHI + * + * SDHI0 : card detection is possible + * SDHI1 : card detection is impossible + * + * [G4-MAIN-BOARD] + * JP74 : short # DBG_2V8A for SDHI0 + * JP75 : NC # DBG_3V3A for SDHI0 + * JP76 : NC # DBG_3V3A_SD for SDHI0 + * JP77 : NC # 3V3A_SDIO for SDHI1 + * JP78 : short # DBG_2V8A for SDHI1 + * JP79 : NC # DBG_3V3A for SDHI1 + * JP80 : NC # DBG_3V3A_SD for SDHI1 + * + * [G4-CORE-BOARD] + * S32 : all off # to dissever from G3-CORE_DBG board + * S33 : all off # to dissever from G3-CORE_DBG board + * + * [G3-CORE_DBG-BOARD] + * S1 : all off # to dissever from G3-CORE_DBG board + * S3 : all off # to dissever from G3-CORE_DBG board + * S4 : all off # to dissever from G3-CORE_DBG board + */ static struct mtd_partition nor_flash_partitions[] = { { @@ -112,8 +139,7 @@ static struct resource usb_host_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = 65, - .end = 65, + .start = evt2irq(0x0a20), /* USBHS_USHI0 */ .flags = IORESOURCE_IRQ, }, }; @@ -154,7 +180,7 @@ static struct resource keysc_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = 79, + .start = evt2irq(0x0be0), /* KEYSC_KEY */ .flags = IORESOURCE_IRQ, }, }; @@ -169,10 +195,53 @@ static struct platform_device keysc_device = { }, }; +/* SDHI */ +static struct resource sdhi0_resources[] = { + [0] = { + .name = "SDHI0", + .start = 0xe6d50000, + .end = 0xe6d501ff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = evt2irq(0x0e00), /* SDHI0 */ + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device sdhi0_device = { + .name = "sh_mobile_sdhi", + .num_resources = ARRAY_SIZE(sdhi0_resources), + .resource = sdhi0_resources, + .id = 0, +}; + +static struct resource sdhi1_resources[] = { + [0] = { + .name = "SDHI1", + .start = 0xe6d60000, + .end = 0xe6d601ff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = evt2irq(0x0e80), /* SDHI1 */ + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device sdhi1_device = { + .name = "sh_mobile_sdhi", + .num_resources = ARRAY_SIZE(sdhi1_resources), + .resource = sdhi1_resources, + .id = 1, +}; + static struct platform_device *g4evm_devices[] __initdata = { &nor_flash_device, &usb_host_device, &keysc_device, + &sdhi0_device, + &sdhi1_device, }; static struct map_desc g4evm_io_desc[] __initdata = { @@ -191,12 +260,41 @@ static void __init g4evm_map_io(void) { iotable_init(g4evm_io_desc, ARRAY_SIZE(g4evm_io_desc)); - /* setup early devices, clocks and console here as well */ + /* setup early devices and console here as well */ sh7377_add_early_devices(); - sh7367_clock_init(); /* use g3 clocks for now */ shmobile_setup_console(); } +#define GPIO_SDHID0_D0 0xe60520fc +#define GPIO_SDHID0_D1 0xe60520fd +#define GPIO_SDHID0_D2 0xe60520fe +#define GPIO_SDHID0_D3 0xe60520ff +#define GPIO_SDHICMD0 0xe6052100 + +#define GPIO_SDHID1_D0 0xe6052103 +#define GPIO_SDHID1_D1 0xe6052104 +#define GPIO_SDHID1_D2 0xe6052105 +#define GPIO_SDHID1_D3 0xe6052106 +#define GPIO_SDHICMD1 0xe6052107 + +/* + * FIXME !! + * + * gpio_pull_up is quick_hack. + * + * current gpio frame work doesn't have + * the method to control only pull up/down/free. + * this function should be replaced by correct gpio function + */ +static void __init gpio_pull_up(u32 addr) +{ + u8 data = __raw_readb(addr); + + data &= 0x0F; + data |= 0xC0; + __raw_writeb(data, addr); +} + static void __init g4evm_init(void) { sh7377_pinmux_init(); @@ -229,9 +327,6 @@ static void __init g4evm_init(void) gpio_request(GPIO_FN_EXTLP, NULL); gpio_request(GPIO_FN_IDIN, NULL); - /* enable clock in SMSTPCR3 */ - __raw_writel(__raw_readl(0xe615013c) & ~(1 << 22), 0xe615013c); - /* setup USB phy */ __raw_writew(0x0200, 0xe605810a); /* USBCR1 */ __raw_writew(0x00e0, 0xe60581c0); /* CPFCH */ @@ -253,16 +348,54 @@ static void __init g4evm_init(void) gpio_request(GPIO_FN_PORT71_KEYIN5_PU, NULL); gpio_request(GPIO_FN_PORT72_KEYIN6_PU, NULL); + /* SDHI0 */ + gpio_request(GPIO_FN_SDHICLK0, NULL); + gpio_request(GPIO_FN_SDHICD0, NULL); + gpio_request(GPIO_FN_SDHID0_0, NULL); + gpio_request(GPIO_FN_SDHID0_1, NULL); + gpio_request(GPIO_FN_SDHID0_2, NULL); + gpio_request(GPIO_FN_SDHID0_3, NULL); + gpio_request(GPIO_FN_SDHICMD0, NULL); + gpio_request(GPIO_FN_SDHIWP0, NULL); + gpio_pull_up(GPIO_SDHID0_D0); + gpio_pull_up(GPIO_SDHID0_D1); + gpio_pull_up(GPIO_SDHID0_D2); + gpio_pull_up(GPIO_SDHID0_D3); + gpio_pull_up(GPIO_SDHICMD0); + + /* SDHI1 */ + gpio_request(GPIO_FN_SDHICLK1, NULL); + gpio_request(GPIO_FN_SDHID1_0, NULL); + gpio_request(GPIO_FN_SDHID1_1, NULL); + gpio_request(GPIO_FN_SDHID1_2, NULL); + gpio_request(GPIO_FN_SDHID1_3, NULL); + gpio_request(GPIO_FN_SDHICMD1, NULL); + gpio_pull_up(GPIO_SDHID1_D0); + gpio_pull_up(GPIO_SDHID1_D1); + gpio_pull_up(GPIO_SDHID1_D2); + gpio_pull_up(GPIO_SDHID1_D3); + gpio_pull_up(GPIO_SDHICMD1); + sh7377_add_standard_devices(); platform_add_devices(g4evm_devices, ARRAY_SIZE(g4evm_devices)); } +static void __init g4evm_timer_init(void) +{ + sh7377_clock_init(); + shmobile_timer.init(); +} + +static struct sys_timer g4evm_timer = { + .init = g4evm_timer_init, +}; + MACHINE_START(G4EVM, "g4evm") .phys_io = 0xe6000000, .io_pg_offst = ((0xe6000000) >> 18) & 0xfffc, .map_io = g4evm_map_io, .init_irq = sh7377_init_irq, .init_machine = g4evm_init, - .timer = &shmobile_timer, + .timer = &g4evm_timer, MACHINE_END diff --git a/arch/arm/mach-shmobile/clock-sh7367.c b/arch/arm/mach-shmobile/clock-sh7367.c index bb940c6e4e6c..b6454c9f2abb 100644 --- a/arch/arm/mach-shmobile/clock-sh7367.c +++ b/arch/arm/mach-shmobile/clock-sh7367.c @@ -1,5 +1,5 @@ /* - * Preliminary clock framework support for sh7367 + * SH7367 clock framework support * * Copyright (C) 2010 Magnus Damm * @@ -17,87 +17,342 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include <linux/init.h> -#include <linux/module.h> #include <linux/kernel.h> -#include <linux/list.h> -#include <linux/clk.h> +#include <linux/io.h> +#include <linux/sh_clk.h> +#include <mach/common.h> +#include <asm/clkdev.h> + +/* SH7367 registers */ +#define RTFRQCR 0xe6150000 +#define SYFRQCR 0xe6150004 +#define CMFRQCR 0xe61500E0 +#define VCLKCR1 0xe6150008 +#define VCLKCR2 0xe615000C +#define VCLKCR3 0xe615001C +#define SCLKACR 0xe6150010 +#define SCLKBCR 0xe6150014 +#define SUBUSBCKCR 0xe6158080 +#define SPUCKCR 0xe6150084 +#define MSUCKCR 0xe6150088 +#define MVI3CKCR 0xe6150090 +#define VOUCKCR 0xe6150094 +#define MFCK1CR 0xe6150098 +#define MFCK2CR 0xe615009C +#define PLLC1CR 0xe6150028 +#define PLLC2CR 0xe615002C +#define RTMSTPCR0 0xe6158030 +#define RTMSTPCR2 0xe6158038 +#define SYMSTPCR0 0xe6158040 +#define SYMSTPCR2 0xe6158048 +#define CMMSTPCR0 0xe615804c -struct clk { - const char *name; - unsigned long rate; +/* Fixed 32 KHz root clock from EXTALR pin */ +static struct clk r_clk = { + .rate = 32768, }; -#include <asm/clkdev.h> +/* + * 26MHz default rate for the EXTALB1 root input clock. + * If needed, reset this with clk_set_rate() from the platform code. + */ +struct clk sh7367_extalb1_clk = { + .rate = 26666666, +}; -int __clk_get(struct clk *clk) -{ - return 1; -} -EXPORT_SYMBOL(__clk_get); +/* + * 48MHz default rate for the EXTAL2 root input clock. + * If needed, reset this with clk_set_rate() from the platform code. + */ +struct clk sh7367_extal2_clk = { + .rate = 48000000, +}; -void __clk_put(struct clk *clk) +/* A fixed divide-by-2 block */ +static unsigned long div2_recalc(struct clk *clk) { + return clk->parent->rate / 2; } -EXPORT_SYMBOL(__clk_put); +static struct clk_ops div2_clk_ops = { + .recalc = div2_recalc, +}; + +/* Divide extalb1 by two */ +static struct clk extalb1_div2_clk = { + .ops = &div2_clk_ops, + .parent = &sh7367_extalb1_clk, +}; + +/* Divide extal2 by two */ +static struct clk extal2_div2_clk = { + .ops = &div2_clk_ops, + .parent = &sh7367_extal2_clk, +}; -int clk_enable(struct clk *clk) +/* PLLC1 */ +static unsigned long pllc1_recalc(struct clk *clk) { - return 0; + unsigned long mult = 1; + + if (__raw_readl(PLLC1CR) & (1 << 14)) + mult = (((__raw_readl(RTFRQCR) >> 24) & 0x3f) + 1) * 2; + + return clk->parent->rate * mult; } -EXPORT_SYMBOL(clk_enable); -void clk_disable(struct clk *clk) +static struct clk_ops pllc1_clk_ops = { + .recalc = pllc1_recalc, +}; + +static struct clk pllc1_clk = { + .ops = &pllc1_clk_ops, + .flags = CLK_ENABLE_ON_INIT, + .parent = &extalb1_div2_clk, +}; + +/* Divide PLLC1 by two */ +static struct clk pllc1_div2_clk = { + .ops = &div2_clk_ops, + .parent = &pllc1_clk, +}; + +/* PLLC2 */ +static unsigned long pllc2_recalc(struct clk *clk) { + unsigned long mult = 1; + + if (__raw_readl(PLLC2CR) & (1 << 31)) + mult = (((__raw_readl(PLLC2CR) >> 24) & 0x3f) + 1) * 2; + + return clk->parent->rate * mult; } -EXPORT_SYMBOL(clk_disable); -unsigned long clk_get_rate(struct clk *clk) +static struct clk_ops pllc2_clk_ops = { + .recalc = pllc2_recalc, +}; + +static struct clk pllc2_clk = { + .ops = &pllc2_clk_ops, + .flags = CLK_ENABLE_ON_INIT, + .parent = &extalb1_div2_clk, +}; + +static struct clk *main_clks[] = { + &r_clk, + &sh7367_extalb1_clk, + &sh7367_extal2_clk, + &extalb1_div2_clk, + &extal2_div2_clk, + &pllc1_clk, + &pllc1_div2_clk, + &pllc2_clk, +}; + +static void div4_kick(struct clk *clk) { - return clk ? clk->rate : 0; + unsigned long value; + + /* set KICK bit in SYFRQCR to update hardware setting */ + value = __raw_readl(SYFRQCR); + value |= (1 << 31); + __raw_writel(value, SYFRQCR); } -EXPORT_SYMBOL(clk_get_rate); -/* a static peripheral clock for now - enough to get sh-sci working */ -static struct clk peripheral_clk = { - .name = "peripheral_clk", - .rate = 48000000, +static int divisors[] = { 2, 3, 4, 6, 8, 12, 16, 18, + 24, 32, 36, 48, 0, 72, 0, 0 }; + +static struct clk_div_mult_table div4_div_mult_table = { + .divisors = divisors, + .nr_divisors = ARRAY_SIZE(divisors), }; -/* a static rclk for now - enough to get sh_cmt working */ -static struct clk r_clk = { - .name = "r_clk", - .rate = 32768, +static struct clk_div4_table div4_table = { + .div_mult_table = &div4_div_mult_table, + .kick = div4_kick, +}; + +enum { DIV4_I, DIV4_G, DIV4_S, DIV4_B, + DIV4_ZX, DIV4_ZT, DIV4_Z, DIV4_ZD, DIV4_HP, + DIV4_ZS, DIV4_ZB, DIV4_ZB3, DIV4_CP, DIV4_NR }; + +#define DIV4(_reg, _bit, _mask, _flags) \ + SH_CLK_DIV4(&pllc1_clk, _reg, _bit, _mask, _flags) + +static struct clk div4_clks[DIV4_NR] = { + [DIV4_I] = DIV4(RTFRQCR, 20, 0x6fff, CLK_ENABLE_ON_INIT), + [DIV4_G] = DIV4(RTFRQCR, 16, 0x6fff, CLK_ENABLE_ON_INIT), + [DIV4_S] = DIV4(RTFRQCR, 12, 0x6fff, CLK_ENABLE_ON_INIT), + [DIV4_B] = DIV4(RTFRQCR, 8, 0x6fff, CLK_ENABLE_ON_INIT), + [DIV4_ZX] = DIV4(SYFRQCR, 20, 0x6fff, 0), + [DIV4_ZT] = DIV4(SYFRQCR, 16, 0x6fff, 0), + [DIV4_Z] = DIV4(SYFRQCR, 12, 0x6fff, 0), + [DIV4_ZD] = DIV4(SYFRQCR, 8, 0x6fff, 0), + [DIV4_HP] = DIV4(SYFRQCR, 4, 0x6fff, 0), + [DIV4_ZS] = DIV4(CMFRQCR, 12, 0x6fff, 0), + [DIV4_ZB] = DIV4(CMFRQCR, 8, 0x6fff, 0), + [DIV4_ZB3] = DIV4(CMFRQCR, 4, 0x6fff, 0), + [DIV4_CP] = DIV4(CMFRQCR, 0, 0x6fff, 0), }; -/* a static usb0 for now - enough to get r8a66597 working */ -static struct clk usb0_clk = { - .name = "usb0", +enum { DIV6_SUB, DIV6_SIUA, DIV6_SIUB, DIV6_MSU, DIV6_SPU, + DIV6_MVI3, DIV6_MF1, DIV6_MF2, + DIV6_VCK1, DIV6_VCK2, DIV6_VCK3, DIV6_VOU, + DIV6_NR }; + +static struct clk div6_clks[DIV6_NR] = { + [DIV6_SUB] = SH_CLK_DIV6(&sh7367_extal2_clk, SUBUSBCKCR, 0), + [DIV6_SIUA] = SH_CLK_DIV6(&pllc1_div2_clk, SCLKACR, 0), + [DIV6_SIUB] = SH_CLK_DIV6(&pllc1_div2_clk, SCLKBCR, 0), + [DIV6_MSU] = SH_CLK_DIV6(&pllc1_div2_clk, MSUCKCR, 0), + [DIV6_SPU] = SH_CLK_DIV6(&pllc1_div2_clk, SPUCKCR, 0), + [DIV6_MVI3] = SH_CLK_DIV6(&pllc1_div2_clk, MVI3CKCR, 0), + [DIV6_MF1] = SH_CLK_DIV6(&pllc1_div2_clk, MFCK1CR, 0), + [DIV6_MF2] = SH_CLK_DIV6(&pllc1_div2_clk, MFCK2CR, 0), + [DIV6_VCK1] = SH_CLK_DIV6(&pllc1_div2_clk, VCLKCR1, 0), + [DIV6_VCK2] = SH_CLK_DIV6(&pllc1_div2_clk, VCLKCR2, 0), + [DIV6_VCK3] = SH_CLK_DIV6(&pllc1_div2_clk, VCLKCR3, 0), + [DIV6_VOU] = SH_CLK_DIV6(&pllc1_div2_clk, VOUCKCR, 0), }; -/* a static keysc0 clk for now - enough to get sh_keysc working */ -static struct clk keysc0_clk = { - .name = "keysc0", +enum { RTMSTP001, + RTMSTP231, RTMSTP230, RTMSTP229, RTMSTP228, RTMSTP226, + RTMSTP216, RTMSTP206, RTMSTP205, RTMSTP201, + SYMSTP023, SYMSTP007, SYMSTP006, SYMSTP004, + SYMSTP003, SYMSTP002, SYMSTP001, SYMSTP000, + SYMSTP231, SYMSTP229, SYMSTP225, SYMSTP223, SYMSTP222, + SYMSTP215, SYMSTP214, SYMSTP213, SYMSTP211, + CMMSTP003, + MSTP_NR }; + +#define MSTP(_parent, _reg, _bit, _flags) \ + SH_CLK_MSTP32(_parent, _reg, _bit, _flags) + +static struct clk mstp_clks[MSTP_NR] = { + [RTMSTP001] = MSTP(&div6_clks[DIV6_SUB], RTMSTPCR0, 1, 0), /* IIC2 */ + [RTMSTP231] = MSTP(&div4_clks[DIV4_B], RTMSTPCR2, 31, 0), /* VEU3 */ + [RTMSTP230] = MSTP(&div4_clks[DIV4_B], RTMSTPCR2, 30, 0), /* VEU2 */ + [RTMSTP229] = MSTP(&div4_clks[DIV4_B], RTMSTPCR2, 29, 0), /* VEU1 */ + [RTMSTP228] = MSTP(&div4_clks[DIV4_B], RTMSTPCR2, 28, 0), /* VEU0 */ + [RTMSTP226] = MSTP(&div4_clks[DIV4_B], RTMSTPCR2, 26, 0), /* VEU2H */ + [RTMSTP216] = MSTP(&div6_clks[DIV6_SUB], RTMSTPCR2, 16, 0), /* IIC0 */ + [RTMSTP206] = MSTP(&div4_clks[DIV4_B], RTMSTPCR2, 6, 0), /* JPU */ + [RTMSTP205] = MSTP(&div6_clks[DIV6_VOU], RTMSTPCR2, 5, 0), /* VOU */ + [RTMSTP201] = MSTP(&div4_clks[DIV4_B], RTMSTPCR2, 1, 0), /* VPU */ + [SYMSTP023] = MSTP(&div6_clks[DIV6_SPU], SYMSTPCR0, 23, 0), /* SPU1 */ + [SYMSTP007] = MSTP(&div6_clks[DIV6_SUB], SYMSTPCR0, 7, 0), /* SCIFA5 */ + [SYMSTP006] = MSTP(&div6_clks[DIV6_SUB], SYMSTPCR0, 6, 0), /* SCIFB */ + [SYMSTP004] = MSTP(&div6_clks[DIV6_SUB], SYMSTPCR0, 4, 0), /* SCIFA0 */ + [SYMSTP003] = MSTP(&div6_clks[DIV6_SUB], SYMSTPCR0, 3, 0), /* SCIFA1 */ + [SYMSTP002] = MSTP(&div6_clks[DIV6_SUB], SYMSTPCR0, 2, 0), /* SCIFA2 */ + [SYMSTP001] = MSTP(&div6_clks[DIV6_SUB], SYMSTPCR0, 1, 0), /* SCIFA3 */ + [SYMSTP000] = MSTP(&div6_clks[DIV6_SUB], SYMSTPCR0, 0, 0), /* SCIFA4 */ + [SYMSTP231] = MSTP(&div6_clks[DIV6_SUB], SYMSTPCR2, 31, 0), /* SIU */ + [SYMSTP229] = MSTP(&r_clk, SYMSTPCR2, 29, 0), /* CMT10 */ + [SYMSTP225] = MSTP(&div6_clks[DIV6_SUB], SYMSTPCR2, 25, 0), /* IRDA */ + [SYMSTP223] = MSTP(&div6_clks[DIV6_SUB], SYMSTPCR2, 23, 0), /* IIC1 */ + [SYMSTP222] = MSTP(&div6_clks[DIV6_SUB], SYMSTPCR2, 22, 0), /* USBHS */ + [SYMSTP215] = MSTP(&div4_clks[DIV4_HP], SYMSTPCR2, 15, 0), /* FLCTL */ + [SYMSTP214] = MSTP(&div4_clks[DIV4_HP], SYMSTPCR2, 14, 0), /* SDHI0 */ + [SYMSTP213] = MSTP(&div4_clks[DIV4_HP], SYMSTPCR2, 13, 0), /* SDHI1 */ + [SYMSTP211] = MSTP(&div4_clks[DIV4_HP], SYMSTPCR2, 11, 0), /* SDHI2 */ + [CMMSTP003] = MSTP(&r_clk, CMMSTPCR0, 3, 0), /* KEYSC */ }; +#define CLKDEV_CON_ID(_id, _clk) { .con_id = _id, .clk = _clk } +#define CLKDEV_DEV_ID(_id, _clk) { .dev_id = _id, .clk = _clk } + static struct clk_lookup lookups[] = { - { - .clk = &peripheral_clk, - }, { - .clk = &r_clk, - }, { - .clk = &usb0_clk, - }, { - .clk = &keysc0_clk, - } + /* main clocks */ + CLKDEV_CON_ID("r_clk", &r_clk), + CLKDEV_CON_ID("extalb1", &sh7367_extalb1_clk), + CLKDEV_CON_ID("extal2", &sh7367_extal2_clk), + CLKDEV_CON_ID("extalb1_div2_clk", &extalb1_div2_clk), + CLKDEV_CON_ID("extal2_div2_clk", &extal2_div2_clk), + CLKDEV_CON_ID("pllc1_clk", &pllc1_clk), + CLKDEV_CON_ID("pllc1_div2_clk", &pllc1_div2_clk), + CLKDEV_CON_ID("pllc2_clk", &pllc2_clk), + + /* DIV4 clocks */ + CLKDEV_CON_ID("i_clk", &div4_clks[DIV4_I]), + CLKDEV_CON_ID("g_clk", &div4_clks[DIV4_G]), + CLKDEV_CON_ID("b_clk", &div4_clks[DIV4_B]), + CLKDEV_CON_ID("zx_clk", &div4_clks[DIV4_ZX]), + CLKDEV_CON_ID("zt_clk", &div4_clks[DIV4_ZT]), + CLKDEV_CON_ID("z_clk", &div4_clks[DIV4_Z]), + CLKDEV_CON_ID("zd_clk", &div4_clks[DIV4_ZD]), + CLKDEV_CON_ID("hp_clk", &div4_clks[DIV4_HP]), + CLKDEV_CON_ID("zs_clk", &div4_clks[DIV4_ZS]), + CLKDEV_CON_ID("zb_clk", &div4_clks[DIV4_ZB]), + CLKDEV_CON_ID("zb3_clk", &div4_clks[DIV4_ZB3]), + CLKDEV_CON_ID("cp_clk", &div4_clks[DIV4_CP]), + + /* DIV6 clocks */ + CLKDEV_CON_ID("sub_clk", &div6_clks[DIV6_SUB]), + CLKDEV_CON_ID("siua_clk", &div6_clks[DIV6_SIUA]), + CLKDEV_CON_ID("siub_clk", &div6_clks[DIV6_SIUB]), + CLKDEV_CON_ID("msu_clk", &div6_clks[DIV6_MSU]), + CLKDEV_CON_ID("spu_clk", &div6_clks[DIV6_SPU]), + CLKDEV_CON_ID("mvi3_clk", &div6_clks[DIV6_MVI3]), + CLKDEV_CON_ID("mf1_clk", &div6_clks[DIV6_MF1]), + CLKDEV_CON_ID("mf2_clk", &div6_clks[DIV6_MF2]), + CLKDEV_CON_ID("vck1_clk", &div6_clks[DIV6_VCK1]), + CLKDEV_CON_ID("vck2_clk", &div6_clks[DIV6_VCK2]), + CLKDEV_CON_ID("vck3_clk", &div6_clks[DIV6_VCK3]), + CLKDEV_CON_ID("vou_clk", &div6_clks[DIV6_VOU]), + + /* MSTP32 clocks */ + CLKDEV_DEV_ID("i2c-sh_mobile.2", &mstp_clks[RTMSTP001]), /* IIC2 */ + CLKDEV_DEV_ID("uio_pdrv_genirq.4", &mstp_clks[RTMSTP231]), /* VEU3 */ + CLKDEV_DEV_ID("uio_pdrv_genirq.3", &mstp_clks[RTMSTP230]), /* VEU2 */ + CLKDEV_DEV_ID("uio_pdrv_genirq.2", &mstp_clks[RTMSTP229]), /* VEU1 */ + CLKDEV_DEV_ID("uio_pdrv_genirq.1", &mstp_clks[RTMSTP228]), /* VEU0 */ + CLKDEV_DEV_ID("uio_pdrv_genirq.5", &mstp_clks[RTMSTP226]), /* VEU2H */ + CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[RTMSTP216]), /* IIC0 */ + CLKDEV_DEV_ID("uio_pdrv_genirq.6", &mstp_clks[RTMSTP206]), /* JPU */ + CLKDEV_DEV_ID("sh-vou", &mstp_clks[RTMSTP205]), /* VOU */ + CLKDEV_DEV_ID("uio_pdrv_genirq.0", &mstp_clks[RTMSTP201]), /* VPU */ + CLKDEV_DEV_ID("uio_pdrv_genirq.7", &mstp_clks[SYMSTP023]), /* SPU1 */ + CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[SYMSTP007]), /* SCIFA5 */ + CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[SYMSTP006]), /* SCIFB */ + CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[SYMSTP004]), /* SCIFA0 */ + CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[SYMSTP003]), /* SCIFA1 */ + CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[SYMSTP002]), /* SCIFA2 */ + CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[SYMSTP001]), /* SCIFA3 */ + CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[SYMSTP000]), /* SCIFA4 */ + CLKDEV_DEV_ID("sh_siu", &mstp_clks[SYMSTP231]), /* SIU */ + CLKDEV_CON_ID("cmt1", &mstp_clks[SYMSTP229]), /* CMT10 */ + CLKDEV_DEV_ID("sh_irda", &mstp_clks[SYMSTP225]), /* IRDA */ + CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[SYMSTP223]), /* IIC1 */ + CLKDEV_DEV_ID("r8a66597_hcd.0", &mstp_clks[SYMSTP222]), /* USBHS */ + CLKDEV_DEV_ID("r8a66597_udc.0", &mstp_clks[SYMSTP222]), /* USBHS */ + CLKDEV_DEV_ID("sh_flctl", &mstp_clks[SYMSTP215]), /* FLCTL */ + CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[SYMSTP214]), /* SDHI0 */ + CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[SYMSTP213]), /* SDHI1 */ + CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[SYMSTP211]), /* SDHI2 */ + CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[CMMSTP003]), /* KEYSC */ }; void __init sh7367_clock_init(void) { - int i; + int k, ret = 0; + + for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++) + ret = clk_register(main_clks[k]); + + if (!ret) + ret = sh_clk_div4_register(div4_clks, DIV4_NR, &div4_table); + + if (!ret) + ret = sh_clk_div6_register(div6_clks, DIV6_NR); + + if (!ret) + ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR); + + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); - for (i = 0; i < ARRAY_SIZE(lookups); i++) { - lookups[i].con_id = lookups[i].clk->name; - clkdev_add(&lookups[i]); - } + if (!ret) + clk_init(); + else + panic("failed to setup sh7367 clocks\n"); } diff --git a/arch/arm/mach-shmobile/clock-sh7372.c b/arch/arm/mach-shmobile/clock-sh7372.c new file mode 100644 index 000000000000..1364072934b4 --- /dev/null +++ b/arch/arm/mach-shmobile/clock-sh7372.c @@ -0,0 +1,397 @@ +/* + * SH7372 clock framework support + * + * Copyright (C) 2010 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/io.h> +#include <linux/sh_clk.h> +#include <mach/common.h> +#include <asm/clkdev.h> + +/* SH7372 registers */ +#define FRQCRA 0xe6150000 +#define FRQCRB 0xe6150004 +#define FRQCRC 0xe61500e0 +#define FRQCRD 0xe61500e4 +#define VCLKCR1 0xe6150008 +#define VCLKCR2 0xe615000c +#define VCLKCR3 0xe615001c +#define FMSICKCR 0xe6150010 +#define FMSOCKCR 0xe6150014 +#define FSIACKCR 0xe6150018 +#define FSIBCKCR 0xe6150090 +#define SUBCKCR 0xe6150080 +#define SPUCKCR 0xe6150084 +#define VOUCKCR 0xe6150088 +#define HDMICKCR 0xe6150094 +#define DSITCKCR 0xe6150060 +#define DSI0PCKCR 0xe6150064 +#define DSI1PCKCR 0xe6150098 +#define PLLC01CR 0xe6150028 +#define PLLC2CR 0xe615002c +#define SMSTPCR0 0xe6150130 +#define SMSTPCR1 0xe6150134 +#define SMSTPCR2 0xe6150138 +#define SMSTPCR3 0xe615013c +#define SMSTPCR4 0xe6150140 + +/* Fixed 32 KHz root clock from EXTALR pin */ +static struct clk r_clk = { + .rate = 32768, +}; + +/* + * 26MHz default rate for the EXTAL1 root input clock. + * If needed, reset this with clk_set_rate() from the platform code. + */ +struct clk sh7372_extal1_clk = { + .rate = 26666666, +}; + +/* + * 48MHz default rate for the EXTAL2 root input clock. + * If needed, reset this with clk_set_rate() from the platform code. + */ +struct clk sh7372_extal2_clk = { + .rate = 48000000, +}; + +/* A fixed divide-by-2 block */ +static unsigned long div2_recalc(struct clk *clk) +{ + return clk->parent->rate / 2; +} + +static struct clk_ops div2_clk_ops = { + .recalc = div2_recalc, +}; + +/* Divide extal1 by two */ +static struct clk extal1_div2_clk = { + .ops = &div2_clk_ops, + .parent = &sh7372_extal1_clk, +}; + +/* Divide extal2 by two */ +static struct clk extal2_div2_clk = { + .ops = &div2_clk_ops, + .parent = &sh7372_extal2_clk, +}; + +/* Divide extal2 by four */ +static struct clk extal2_div4_clk = { + .ops = &div2_clk_ops, + .parent = &extal2_div2_clk, +}; + +/* PLLC0 and PLLC1 */ +static unsigned long pllc01_recalc(struct clk *clk) +{ + unsigned long mult = 1; + + if (__raw_readl(PLLC01CR) & (1 << 14)) + mult = (((__raw_readl(clk->enable_reg) >> 24) & 0x3f) + 1) * 2; + + return clk->parent->rate * mult; +} + +static struct clk_ops pllc01_clk_ops = { + .recalc = pllc01_recalc, +}; + +static struct clk pllc0_clk = { + .ops = &pllc01_clk_ops, + .flags = CLK_ENABLE_ON_INIT, + .parent = &extal1_div2_clk, + .enable_reg = (void __iomem *)FRQCRC, +}; + +static struct clk pllc1_clk = { + .ops = &pllc01_clk_ops, + .flags = CLK_ENABLE_ON_INIT, + .parent = &extal1_div2_clk, + .enable_reg = (void __iomem *)FRQCRA, +}; + +/* Divide PLLC1 by two */ +static struct clk pllc1_div2_clk = { + .ops = &div2_clk_ops, + .parent = &pllc1_clk, +}; + +/* PLLC2 */ +static unsigned long pllc2_recalc(struct clk *clk) +{ + unsigned long mult = 1; + + if (__raw_readl(PLLC2CR) & (1 << 31)) + mult = (((__raw_readl(PLLC2CR) >> 24) & 0x3f) + 1) * 2; + + return clk->parent->rate * mult; +} + +static struct clk_ops pllc2_clk_ops = { + .recalc = pllc2_recalc, +}; + +static struct clk pllc2_clk = { + .ops = &pllc2_clk_ops, + .flags = CLK_ENABLE_ON_INIT, + .parent = &extal1_div2_clk, +}; + +static struct clk *main_clks[] = { + &r_clk, + &sh7372_extal1_clk, + &sh7372_extal2_clk, + &extal1_div2_clk, + &extal2_div2_clk, + &extal2_div4_clk, + &pllc0_clk, + &pllc1_clk, + &pllc1_div2_clk, + &pllc2_clk, +}; + +static void div4_kick(struct clk *clk) +{ + unsigned long value; + + /* set KICK bit in FRQCRB to update hardware setting */ + value = __raw_readl(FRQCRB); + value |= (1 << 31); + __raw_writel(value, FRQCRB); +} + +static int divisors[] = { 2, 3, 4, 6, 8, 12, 16, 18, + 24, 32, 36, 48, 0, 72, 96, 0 }; + +static struct clk_div_mult_table div4_div_mult_table = { + .divisors = divisors, + .nr_divisors = ARRAY_SIZE(divisors), +}; + +static struct clk_div4_table div4_table = { + .div_mult_table = &div4_div_mult_table, + .kick = div4_kick, +}; + +enum { DIV4_I, DIV4_ZG, DIV4_B, DIV4_M1, DIV4_CSIR, + DIV4_ZTR, DIV4_ZT, DIV4_ZX, DIV4_HP, + DIV4_ISPB, DIV4_S, DIV4_ZB, DIV4_ZB3, DIV4_CP, + DIV4_DDRP, DIV4_NR }; + +#define DIV4(_reg, _bit, _mask, _flags) \ + SH_CLK_DIV4(&pllc1_clk, _reg, _bit, _mask, _flags) + +static struct clk div4_clks[DIV4_NR] = { + [DIV4_I] = DIV4(FRQCRA, 20, 0x6fff, CLK_ENABLE_ON_INIT), + [DIV4_ZG] = DIV4(FRQCRA, 16, 0x6fff, CLK_ENABLE_ON_INIT), + [DIV4_B] = DIV4(FRQCRA, 8, 0x6fff, CLK_ENABLE_ON_INIT), + [DIV4_M1] = DIV4(FRQCRA, 4, 0x6fff, CLK_ENABLE_ON_INIT), + [DIV4_CSIR] = DIV4(FRQCRA, 0, 0x6fff, 0), + [DIV4_ZTR] = DIV4(FRQCRB, 20, 0x6fff, 0), + [DIV4_ZT] = DIV4(FRQCRB, 16, 0x6fff, 0), + [DIV4_ZX] = DIV4(FRQCRB, 12, 0x6fff, 0), + [DIV4_HP] = DIV4(FRQCRB, 4, 0x6fff, 0), + [DIV4_ISPB] = DIV4(FRQCRC, 20, 0x6fff, 0), + [DIV4_S] = DIV4(FRQCRC, 12, 0x6fff, 0), + [DIV4_ZB] = DIV4(FRQCRC, 8, 0x6fff, 0), + [DIV4_ZB3] = DIV4(FRQCRC, 4, 0x6fff, 0), + [DIV4_CP] = DIV4(FRQCRC, 0, 0x6fff, 0), + [DIV4_DDRP] = DIV4(FRQCRD, 0, 0x677c, 0), +}; + +enum { DIV6_VCK1, DIV6_VCK2, DIV6_VCK3, DIV6_FMSI, DIV6_FMSO, + DIV6_FSIA, DIV6_FSIB, DIV6_SUB, DIV6_SPU, + DIV6_VOU, DIV6_HDMI, DIV6_DSIT, DIV6_DSI0P, DIV6_DSI1P, + DIV6_NR }; + +static struct clk div6_clks[DIV6_NR] = { + [DIV6_VCK1] = SH_CLK_DIV6(&pllc1_div2_clk, VCLKCR1, 0), + [DIV6_VCK2] = SH_CLK_DIV6(&pllc1_div2_clk, VCLKCR2, 0), + [DIV6_VCK3] = SH_CLK_DIV6(&pllc1_div2_clk, VCLKCR3, 0), + [DIV6_FMSI] = SH_CLK_DIV6(&pllc1_div2_clk, FMSICKCR, 0), + [DIV6_FMSO] = SH_CLK_DIV6(&pllc1_div2_clk, FMSOCKCR, 0), + [DIV6_FSIA] = SH_CLK_DIV6(&pllc1_div2_clk, FSIACKCR, 0), + [DIV6_FSIB] = SH_CLK_DIV6(&pllc1_div2_clk, FSIBCKCR, 0), + [DIV6_SUB] = SH_CLK_DIV6(&sh7372_extal2_clk, SUBCKCR, 0), + [DIV6_SPU] = SH_CLK_DIV6(&pllc1_div2_clk, SPUCKCR, 0), + [DIV6_VOU] = SH_CLK_DIV6(&pllc1_div2_clk, VOUCKCR, 0), + [DIV6_HDMI] = SH_CLK_DIV6(&pllc1_div2_clk, HDMICKCR, 0), + [DIV6_DSIT] = SH_CLK_DIV6(&pllc1_div2_clk, DSITCKCR, 0), + [DIV6_DSI0P] = SH_CLK_DIV6(&pllc1_div2_clk, DSI0PCKCR, 0), + [DIV6_DSI1P] = SH_CLK_DIV6(&pllc1_div2_clk, DSI1PCKCR, 0), +}; + +enum { MSTP001, + MSTP131, MSTP130, + MSTP129, MSTP128, + MSTP118, MSTP117, MSTP116, + MSTP106, MSTP101, MSTP100, + MSTP223, + MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200, + MSTP329, MSTP328, MSTP323, MSTP322, MSTP314, MSTP313, + MSTP415, MSTP410, MSTP411, MSTP406, MSTP403, + MSTP_NR }; + +#define MSTP(_parent, _reg, _bit, _flags) \ + SH_CLK_MSTP32(_parent, _reg, _bit, _flags) + +static struct clk mstp_clks[MSTP_NR] = { + [MSTP001] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR0, 1, 0), /* IIC2 */ + [MSTP131] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 31, 0), /* VEU3 */ + [MSTP130] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 30, 0), /* VEU2 */ + [MSTP129] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 29, 0), /* VEU1 */ + [MSTP128] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 28, 0), /* VEU0 */ + [MSTP118] = MSTP(&div6_clks[DIV4_B], SMSTPCR1, 18, 0), /* DSITX */ + [MSTP117] = MSTP(&div6_clks[DIV4_B], SMSTPCR1, 17, 0), /* LCDC1 */ + [MSTP116] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR1, 16, 0), /* IIC0 */ + [MSTP106] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 6, 0), /* JPU */ + [MSTP101] = MSTP(&div4_clks[DIV4_M1], SMSTPCR1, 1, 0), /* VPU */ + [MSTP100] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 0, 0), /* LCDC0 */ + [MSTP223] = MSTP(&div6_clks[DIV6_SPU], SMSTPCR2, 23, 0), /* SPU2 */ + [MSTP207] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */ + [MSTP206] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */ + [MSTP204] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 4, 0), /* SCIFA0 */ + [MSTP203] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 3, 0), /* SCIFA1 */ + [MSTP202] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 2, 0), /* SCIFA2 */ + [MSTP201] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 1, 0), /* SCIFA3 */ + [MSTP200] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 0, 0), /* SCIFA4 */ + [MSTP329] = MSTP(&r_clk, SMSTPCR3, 29, 0), /* CMT10 */ + [MSTP328] = MSTP(&div6_clks[DIV6_SPU], SMSTPCR3, 28, CLK_ENABLE_ON_INIT), /* FSIA */ + [MSTP323] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 23, 0), /* IIC1 */ + [MSTP322] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 22, 0), /* USB0 */ + [MSTP314] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 14, 0), /* SDHI0 */ + [MSTP313] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 13, 0), /* SDHI1 */ + [MSTP415] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 15, 0), /* SDHI2 */ + [MSTP411] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR4, 11, 0), /* IIC3 */ + [MSTP410] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR4, 10, 0), /* IIC4 */ + [MSTP406] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR4, 6, 0), /* USB1 */ + [MSTP403] = MSTP(&r_clk, SMSTPCR4, 3, 0), /* KEYSC */ +}; + +#define CLKDEV_CON_ID(_id, _clk) { .con_id = _id, .clk = _clk } +#define CLKDEV_DEV_ID(_id, _clk) { .dev_id = _id, .clk = _clk } + +static struct clk_lookup lookups[] = { + /* main clocks */ + CLKDEV_CON_ID("r_clk", &r_clk), + CLKDEV_CON_ID("extal1", &sh7372_extal1_clk), + CLKDEV_CON_ID("extal2", &sh7372_extal2_clk), + CLKDEV_CON_ID("extal1_div2_clk", &extal1_div2_clk), + CLKDEV_CON_ID("extal2_div2_clk", &extal2_div2_clk), + CLKDEV_CON_ID("extal2_div4_clk", &extal2_div4_clk), + CLKDEV_CON_ID("pllc0_clk", &pllc0_clk), + CLKDEV_CON_ID("pllc1_clk", &pllc1_clk), + CLKDEV_CON_ID("pllc1_div2_clk", &pllc1_div2_clk), + CLKDEV_CON_ID("pllc2_clk", &pllc2_clk), + + /* DIV4 clocks */ + CLKDEV_CON_ID("i_clk", &div4_clks[DIV4_I]), + CLKDEV_CON_ID("zg_clk", &div4_clks[DIV4_ZG]), + CLKDEV_CON_ID("b_clk", &div4_clks[DIV4_B]), + CLKDEV_CON_ID("m1_clk", &div4_clks[DIV4_M1]), + CLKDEV_CON_ID("csir_clk", &div4_clks[DIV4_CSIR]), + CLKDEV_CON_ID("ztr_clk", &div4_clks[DIV4_ZTR]), + CLKDEV_CON_ID("zt_clk", &div4_clks[DIV4_ZT]), + CLKDEV_CON_ID("zx_clk", &div4_clks[DIV4_ZX]), + CLKDEV_CON_ID("hp_clk", &div4_clks[DIV4_HP]), + CLKDEV_CON_ID("ispb_clk", &div4_clks[DIV4_ISPB]), + CLKDEV_CON_ID("s_clk", &div4_clks[DIV4_S]), + CLKDEV_CON_ID("zb_clk", &div4_clks[DIV4_ZB]), + CLKDEV_CON_ID("zb3_clk", &div4_clks[DIV4_ZB3]), + CLKDEV_CON_ID("cp_clk", &div4_clks[DIV4_CP]), + CLKDEV_CON_ID("ddrp_clk", &div4_clks[DIV4_DDRP]), + + /* DIV6 clocks */ + CLKDEV_CON_ID("vck1_clk", &div6_clks[DIV6_VCK1]), + CLKDEV_CON_ID("vck2_clk", &div6_clks[DIV6_VCK2]), + CLKDEV_CON_ID("vck3_clk", &div6_clks[DIV6_VCK3]), + CLKDEV_CON_ID("fmsi_clk", &div6_clks[DIV6_FMSI]), + CLKDEV_CON_ID("fmso_clk", &div6_clks[DIV6_FMSO]), + CLKDEV_CON_ID("fsia_clk", &div6_clks[DIV6_FSIA]), + CLKDEV_CON_ID("fsib_clk", &div6_clks[DIV6_FSIB]), + CLKDEV_CON_ID("sub_clk", &div6_clks[DIV6_SUB]), + CLKDEV_CON_ID("spu_clk", &div6_clks[DIV6_SPU]), + CLKDEV_CON_ID("vou_clk", &div6_clks[DIV6_VOU]), + CLKDEV_CON_ID("hdmi_clk", &div6_clks[DIV6_HDMI]), + CLKDEV_CON_ID("dsit_clk", &div6_clks[DIV6_DSIT]), + CLKDEV_CON_ID("dsi0p_clk", &div6_clks[DIV6_DSI0P]), + CLKDEV_CON_ID("dsi1p_clk", &div6_clks[DIV6_DSI1P]), + + /* MSTP32 clocks */ + CLKDEV_DEV_ID("i2c-sh_mobile.2", &mstp_clks[MSTP001]), /* IIC2 */ + CLKDEV_DEV_ID("uio_pdrv_genirq.4", &mstp_clks[MSTP131]), /* VEU3 */ + CLKDEV_DEV_ID("uio_pdrv_genirq.3", &mstp_clks[MSTP130]), /* VEU2 */ + CLKDEV_DEV_ID("uio_pdrv_genirq.2", &mstp_clks[MSTP129]), /* VEU1 */ + CLKDEV_DEV_ID("uio_pdrv_genirq.1", &mstp_clks[MSTP128]), /* VEU0 */ + CLKDEV_DEV_ID("sh-mipi-dsi.0", &mstp_clks[MSTP118]), /* DSITX */ + CLKDEV_DEV_ID("sh_mobile_lcdc_fb.1", &mstp_clks[MSTP117]), /* LCDC1 */ + CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[MSTP116]), /* IIC0 */ + CLKDEV_DEV_ID("uio_pdrv_genirq.5", &mstp_clks[MSTP106]), /* JPU */ + CLKDEV_DEV_ID("uio_pdrv_genirq.0", &mstp_clks[MSTP101]), /* VPU */ + CLKDEV_DEV_ID("sh_mobile_lcdc_fb.0", &mstp_clks[MSTP100]), /* LCDC0 */ + CLKDEV_DEV_ID("uio_pdrv_genirq.6", &mstp_clks[MSTP223]), /* SPU2DSP0 */ + CLKDEV_DEV_ID("uio_pdrv_genirq.7", &mstp_clks[MSTP223]), /* SPU2DSP1 */ + CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */ + CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP206]), /* SCIFB */ + CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), /* SCIFA0 */ + CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP203]), /* SCIFA1 */ + CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP202]), /* SCIFA2 */ + CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP201]), /* SCIFA3 */ + CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP200]), /* SCIFA4 */ + CLKDEV_CON_ID("cmt1", &mstp_clks[MSTP329]), /* CMT10 */ + CLKDEV_DEV_ID("sh_fsi", &mstp_clks[MSTP328]), /* FSI */ + CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* IIC1 */ + CLKDEV_DEV_ID("r8a66597_hcd.0", &mstp_clks[MSTP323]), /* USB0 */ + CLKDEV_DEV_ID("r8a66597_udc.0", &mstp_clks[MSTP323]), /* USB0 */ + CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */ + CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */ + CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP415]), /* SDHI2 */ + CLKDEV_DEV_ID("i2c-sh_mobile.3", &mstp_clks[MSTP411]), /* IIC3 */ + CLKDEV_DEV_ID("i2c-sh_mobile.4", &mstp_clks[MSTP410]), /* IIC4 */ + CLKDEV_DEV_ID("r8a66597_hcd.1", &mstp_clks[MSTP406]), /* USB1 */ + CLKDEV_DEV_ID("r8a66597_udc.1", &mstp_clks[MSTP406]), /* USB1 */ + CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[MSTP403]), /* KEYSC */ +}; + +void __init sh7372_clock_init(void) +{ + int k, ret = 0; + + for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++) + ret = clk_register(main_clks[k]); + + if (!ret) + ret = sh_clk_div4_register(div4_clks, DIV4_NR, &div4_table); + + if (!ret) + ret = sh_clk_div6_register(div6_clks, DIV6_NR); + + if (!ret) + ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR); + + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); + + if (!ret) + clk_init(); + else + panic("failed to setup sh7372 clocks\n"); + +} diff --git a/arch/arm/mach-shmobile/clock-sh7377.c b/arch/arm/mach-shmobile/clock-sh7377.c new file mode 100644 index 000000000000..e007c28cf0a8 --- /dev/null +++ b/arch/arm/mach-shmobile/clock-sh7377.c @@ -0,0 +1,369 @@ +/* + * SH7377 clock framework support + * + * Copyright (C) 2010 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/io.h> +#include <linux/sh_clk.h> +#include <mach/common.h> +#include <asm/clkdev.h> + +/* SH7377 registers */ +#define RTFRQCR 0xe6150000 +#define SYFRQCR 0xe6150004 +#define CMFRQCR 0xe61500E0 +#define VCLKCR1 0xe6150008 +#define VCLKCR2 0xe615000C +#define VCLKCR3 0xe615001C +#define FMSICKCR 0xe6150010 +#define FMSOCKCR 0xe6150014 +#define FSICKCR 0xe6150018 +#define PLLC1CR 0xe6150028 +#define PLLC2CR 0xe615002C +#define SUBUSBCKCR 0xe6150080 +#define SPUCKCR 0xe6150084 +#define MSUCKCR 0xe6150088 +#define MVI3CKCR 0xe6150090 +#define HDMICKCR 0xe6150094 +#define MFCK1CR 0xe6150098 +#define MFCK2CR 0xe615009C +#define DSITCKCR 0xe6150060 +#define DSIPCKCR 0xe6150064 +#define SMSTPCR0 0xe6150130 +#define SMSTPCR1 0xe6150134 +#define SMSTPCR2 0xe6150138 +#define SMSTPCR3 0xe615013C +#define SMSTPCR4 0xe6150140 + +/* Fixed 32 KHz root clock from EXTALR pin */ +static struct clk r_clk = { + .rate = 32768, +}; + +/* + * 26MHz default rate for the EXTALC1 root input clock. + * If needed, reset this with clk_set_rate() from the platform code. + */ +struct clk sh7377_extalc1_clk = { + .rate = 26666666, +}; + +/* + * 48MHz default rate for the EXTAL2 root input clock. + * If needed, reset this with clk_set_rate() from the platform code. + */ +struct clk sh7377_extal2_clk = { + .rate = 48000000, +}; + +/* A fixed divide-by-2 block */ +static unsigned long div2_recalc(struct clk *clk) +{ + return clk->parent->rate / 2; +} + +static struct clk_ops div2_clk_ops = { + .recalc = div2_recalc, +}; + +/* Divide extalc1 by two */ +static struct clk extalc1_div2_clk = { + .ops = &div2_clk_ops, + .parent = &sh7377_extalc1_clk, +}; + +/* Divide extal2 by two */ +static struct clk extal2_div2_clk = { + .ops = &div2_clk_ops, + .parent = &sh7377_extal2_clk, +}; + +/* Divide extal2 by four */ +static struct clk extal2_div4_clk = { + .ops = &div2_clk_ops, + .parent = &extal2_div2_clk, +}; + +/* PLLC1 */ +static unsigned long pllc1_recalc(struct clk *clk) +{ + unsigned long mult = 1; + + if (__raw_readl(PLLC1CR) & (1 << 14)) + mult = (((__raw_readl(RTFRQCR) >> 24) & 0x3f) + 1) * 2; + + return clk->parent->rate * mult; +} + +static struct clk_ops pllc1_clk_ops = { + .recalc = pllc1_recalc, +}; + +static struct clk pllc1_clk = { + .ops = &pllc1_clk_ops, + .flags = CLK_ENABLE_ON_INIT, + .parent = &extalc1_div2_clk, +}; + +/* Divide PLLC1 by two */ +static struct clk pllc1_div2_clk = { + .ops = &div2_clk_ops, + .parent = &pllc1_clk, +}; + +/* PLLC2 */ +static unsigned long pllc2_recalc(struct clk *clk) +{ + unsigned long mult = 1; + + if (__raw_readl(PLLC2CR) & (1 << 31)) + mult = (((__raw_readl(PLLC2CR) >> 24) & 0x3f) + 1) * 2; + + return clk->parent->rate * mult; +} + +static struct clk_ops pllc2_clk_ops = { + .recalc = pllc2_recalc, +}; + +static struct clk pllc2_clk = { + .ops = &pllc2_clk_ops, + .flags = CLK_ENABLE_ON_INIT, + .parent = &extalc1_div2_clk, +}; + +static struct clk *main_clks[] = { + &r_clk, + &sh7377_extalc1_clk, + &sh7377_extal2_clk, + &extalc1_div2_clk, + &extal2_div2_clk, + &extal2_div4_clk, + &pllc1_clk, + &pllc1_div2_clk, + &pllc2_clk, +}; + +static void div4_kick(struct clk *clk) +{ + unsigned long value; + + /* set KICK bit in SYFRQCR to update hardware setting */ + value = __raw_readl(SYFRQCR); + value |= (1 << 31); + __raw_writel(value, SYFRQCR); +} + +static int divisors[] = { 2, 3, 4, 6, 8, 12, 16, 18, + 24, 32, 36, 48, 0, 72, 96, 0 }; + +static struct clk_div_mult_table div4_div_mult_table = { + .divisors = divisors, + .nr_divisors = ARRAY_SIZE(divisors), +}; + +static struct clk_div4_table div4_table = { + .div_mult_table = &div4_div_mult_table, + .kick = div4_kick, +}; + +enum { DIV4_I, DIV4_ZG, DIV4_B, DIV4_M1, DIV4_CSIR, + DIV4_ZTR, DIV4_ZT, DIV4_Z, DIV4_HP, + DIV4_ZS, DIV4_ZB, DIV4_ZB3, DIV4_CP, DIV4_NR }; + +#define DIV4(_reg, _bit, _mask, _flags) \ + SH_CLK_DIV4(&pllc1_clk, _reg, _bit, _mask, _flags) + +static struct clk div4_clks[DIV4_NR] = { + [DIV4_I] = DIV4(RTFRQCR, 20, 0x6fff, CLK_ENABLE_ON_INIT), + [DIV4_ZG] = DIV4(RTFRQCR, 16, 0x6fff, CLK_ENABLE_ON_INIT), + [DIV4_B] = DIV4(RTFRQCR, 8, 0x6fff, CLK_ENABLE_ON_INIT), + [DIV4_M1] = DIV4(RTFRQCR, 4, 0x6fff, CLK_ENABLE_ON_INIT), + [DIV4_CSIR] = DIV4(RTFRQCR, 0, 0x6fff, 0), + [DIV4_ZTR] = DIV4(SYFRQCR, 20, 0x6fff, 0), + [DIV4_ZT] = DIV4(SYFRQCR, 16, 0x6fff, 0), + [DIV4_Z] = DIV4(SYFRQCR, 12, 0x6fff, 0), + [DIV4_HP] = DIV4(SYFRQCR, 4, 0x6fff, 0), + [DIV4_ZS] = DIV4(CMFRQCR, 12, 0x6fff, 0), + [DIV4_ZB] = DIV4(CMFRQCR, 8, 0x6fff, 0), + [DIV4_ZB3] = DIV4(CMFRQCR, 4, 0x6fff, 0), + [DIV4_CP] = DIV4(CMFRQCR, 0, 0x6fff, 0), +}; + +enum { DIV6_VCK1, DIV6_VCK2, DIV6_VCK3, DIV6_FMSI, DIV6_FMSO, + DIV6_FSI, DIV6_SUB, DIV6_SPU, DIV6_MSU, DIV6_MVI3, DIV6_HDMI, + DIV6_MF1, DIV6_MF2, DIV6_DSIT, DIV6_DSIP, + DIV6_NR }; + +static struct clk div6_clks[] = { + [DIV6_VCK1] = SH_CLK_DIV6(&pllc1_div2_clk, VCLKCR1, 0), + [DIV6_VCK2] = SH_CLK_DIV6(&pllc1_div2_clk, VCLKCR2, 0), + [DIV6_VCK3] = SH_CLK_DIV6(&pllc1_div2_clk, VCLKCR3, 0), + [DIV6_FMSI] = SH_CLK_DIV6(&pllc1_div2_clk, FMSICKCR, 0), + [DIV6_FMSO] = SH_CLK_DIV6(&pllc1_div2_clk, FMSOCKCR, 0), + [DIV6_FSI] = SH_CLK_DIV6(&pllc1_div2_clk, FSICKCR, 0), + [DIV6_SUB] = SH_CLK_DIV6(&sh7377_extal2_clk, SUBUSBCKCR, 0), + [DIV6_SPU] = SH_CLK_DIV6(&pllc1_div2_clk, SPUCKCR, 0), + [DIV6_MSU] = SH_CLK_DIV6(&pllc1_div2_clk, MSUCKCR, 0), + [DIV6_MVI3] = SH_CLK_DIV6(&pllc1_div2_clk, MVI3CKCR, 0), + [DIV6_HDMI] = SH_CLK_DIV6(&pllc1_div2_clk, HDMICKCR, 0), + [DIV6_MF1] = SH_CLK_DIV6(&pllc1_div2_clk, MFCK1CR, 0), + [DIV6_MF2] = SH_CLK_DIV6(&pllc1_div2_clk, MFCK2CR, 0), + [DIV6_DSIT] = SH_CLK_DIV6(&pllc1_div2_clk, DSITCKCR, 0), + [DIV6_DSIP] = SH_CLK_DIV6(&pllc1_div2_clk, DSIPCKCR, 0), +}; + +enum { MSTP001, + MSTP131, MSTP130, MSTP129, MSTP128, MSTP116, MSTP106, MSTP101, + MSTP223, MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200, + MSTP331, MSTP329, MSTP325, MSTP323, MSTP322, + MSTP315, MSTP314, MSTP313, + MSTP403, + MSTP_NR }; + +#define MSTP(_parent, _reg, _bit, _flags) \ + SH_CLK_MSTP32(_parent, _reg, _bit, _flags) + +static struct clk mstp_clks[] = { + [MSTP001] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR0, 1, 0), /* IIC2 */ + [MSTP131] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 31, 0), /* VEU3 */ + [MSTP130] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 30, 0), /* VEU2 */ + [MSTP129] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 29, 0), /* VEU1 */ + [MSTP128] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 28, 0), /* VEU0 */ + [MSTP116] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR1, 16, 0), /* IIC0 */ + [MSTP106] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 6, 0), /* JPU */ + [MSTP101] = MSTP(&div4_clks[DIV4_M1], SMSTPCR1, 1, 0), /* VPU */ + [MSTP223] = MSTP(&div6_clks[DIV6_SPU], SMSTPCR2, 23, 0), /* SPU2 */ + [MSTP207] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */ + [MSTP206] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */ + [MSTP204] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 4, 0), /* SCIFA0 */ + [MSTP203] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 3, 0), /* SCIFA1 */ + [MSTP202] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 2, 0), /* SCIFA2 */ + [MSTP201] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 1, 0), /* SCIFA3 */ + [MSTP200] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 0, 0), /* SCIFA4 */ + [MSTP331] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 31, 0), /* SCIFA6 */ + [MSTP329] = MSTP(&r_clk, SMSTPCR3, 29, 0), /* CMT10 */ + [MSTP325] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 25, 0), /* IRDA */ + [MSTP323] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 23, 0), /* IIC1 */ + [MSTP322] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 22, 0), /* USB0 */ + [MSTP315] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 15, 0), /* FLCTL */ + [MSTP314] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 14, 0), /* SDHI0 */ + [MSTP313] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 13, 0), /* SDHI1 */ + [MSTP403] = MSTP(&r_clk, SMSTPCR4, 3, 0), /* KEYSC */ +}; + +#define CLKDEV_CON_ID(_id, _clk) { .con_id = _id, .clk = _clk } +#define CLKDEV_DEV_ID(_id, _clk) { .dev_id = _id, .clk = _clk } + +static struct clk_lookup lookups[] = { + /* main clocks */ + CLKDEV_CON_ID("r_clk", &r_clk), + CLKDEV_CON_ID("extalc1", &sh7377_extalc1_clk), + CLKDEV_CON_ID("extal2", &sh7377_extal2_clk), + CLKDEV_CON_ID("extalc1_div2_clk", &extalc1_div2_clk), + CLKDEV_CON_ID("extal2_div2_clk", &extal2_div2_clk), + CLKDEV_CON_ID("extal2_div4_clk", &extal2_div4_clk), + CLKDEV_CON_ID("pllc1_clk", &pllc1_clk), + CLKDEV_CON_ID("pllc1_div2_clk", &pllc1_div2_clk), + CLKDEV_CON_ID("pllc2_clk", &pllc2_clk), + + /* DIV4 clocks */ + CLKDEV_CON_ID("i_clk", &div4_clks[DIV4_I]), + CLKDEV_CON_ID("zg_clk", &div4_clks[DIV4_ZG]), + CLKDEV_CON_ID("b_clk", &div4_clks[DIV4_B]), + CLKDEV_CON_ID("m1_clk", &div4_clks[DIV4_M1]), + CLKDEV_CON_ID("csir_clk", &div4_clks[DIV4_CSIR]), + CLKDEV_CON_ID("ztr_clk", &div4_clks[DIV4_ZTR]), + CLKDEV_CON_ID("zt_clk", &div4_clks[DIV4_ZT]), + CLKDEV_CON_ID("z_clk", &div4_clks[DIV4_Z]), + CLKDEV_CON_ID("hp_clk", &div4_clks[DIV4_HP]), + CLKDEV_CON_ID("zs_clk", &div4_clks[DIV4_ZS]), + CLKDEV_CON_ID("zb_clk", &div4_clks[DIV4_ZB]), + CLKDEV_CON_ID("zb3_clk", &div4_clks[DIV4_ZB3]), + CLKDEV_CON_ID("cp_clk", &div4_clks[DIV4_CP]), + + /* DIV6 clocks */ + CLKDEV_CON_ID("vck1_clk", &div6_clks[DIV6_VCK1]), + CLKDEV_CON_ID("vck2_clk", &div6_clks[DIV6_VCK2]), + CLKDEV_CON_ID("vck3_clk", &div6_clks[DIV6_VCK3]), + CLKDEV_CON_ID("fmsi_clk", &div6_clks[DIV6_FMSI]), + CLKDEV_CON_ID("fmso_clk", &div6_clks[DIV6_FMSO]), + CLKDEV_CON_ID("fsi_clk", &div6_clks[DIV6_FSI]), + CLKDEV_CON_ID("sub_clk", &div6_clks[DIV6_SUB]), + CLKDEV_CON_ID("spu_clk", &div6_clks[DIV6_SPU]), + CLKDEV_CON_ID("msu_clk", &div6_clks[DIV6_MSU]), + CLKDEV_CON_ID("mvi3_clk", &div6_clks[DIV6_MVI3]), + CLKDEV_CON_ID("hdmi_clk", &div6_clks[DIV6_HDMI]), + CLKDEV_CON_ID("mf1_clk", &div6_clks[DIV6_MF1]), + CLKDEV_CON_ID("mf2_clk", &div6_clks[DIV6_MF2]), + CLKDEV_CON_ID("dsit_clk", &div6_clks[DIV6_DSIT]), + CLKDEV_CON_ID("dsip_clk", &div6_clks[DIV6_DSIP]), + + /* MSTP32 clocks */ + CLKDEV_DEV_ID("i2c-sh_mobile.2", &mstp_clks[MSTP001]), /* IIC2 */ + CLKDEV_DEV_ID("uio_pdrv_genirq.4", &mstp_clks[MSTP131]), /* VEU3 */ + CLKDEV_DEV_ID("uio_pdrv_genirq.3", &mstp_clks[MSTP130]), /* VEU2 */ + CLKDEV_DEV_ID("uio_pdrv_genirq.2", &mstp_clks[MSTP129]), /* VEU1 */ + CLKDEV_DEV_ID("uio_pdrv_genirq.1", &mstp_clks[MSTP128]), /* VEU0 */ + CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[MSTP116]), /* IIC0 */ + CLKDEV_DEV_ID("uio_pdrv_genirq.5", &mstp_clks[MSTP106]), /* JPU */ + CLKDEV_DEV_ID("uio_pdrv_genirq.0", &mstp_clks[MSTP101]), /* VPU */ + CLKDEV_DEV_ID("uio_pdrv_genirq.6", &mstp_clks[MSTP223]), /* SPU2DSP0 */ + CLKDEV_DEV_ID("uio_pdrv_genirq.7", &mstp_clks[MSTP223]), /* SPU2DSP1 */ + CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */ + CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP206]), /* SCIFB */ + CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), /* SCIFA0 */ + CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP203]), /* SCIFA1 */ + CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP202]), /* SCIFA2 */ + CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP201]), /* SCIFA3 */ + CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP200]), /* SCIFA4 */ + CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP331]), /* SCIFA6 */ + CLKDEV_CON_ID("cmt1", &mstp_clks[MSTP329]), /* CMT10 */ + CLKDEV_DEV_ID("sh_irda", &mstp_clks[MSTP325]), /* IRDA */ + CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* IIC1 */ + CLKDEV_DEV_ID("r8a66597_hcd.0", &mstp_clks[MSTP322]), /* USBHS */ + CLKDEV_DEV_ID("r8a66597_udc.0", &mstp_clks[MSTP322]), /* USBHS */ + CLKDEV_DEV_ID("sh_flctl", &mstp_clks[MSTP315]), /* FLCTL */ + CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */ + CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */ + CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[MSTP403]), /* KEYSC */ +}; + +void __init sh7377_clock_init(void) +{ + int k, ret = 0; + + for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++) + ret = clk_register(main_clks[k]); + + if (!ret) + ret = sh_clk_div4_register(div4_clks, DIV4_NR, &div4_table); + + if (!ret) + ret = sh_clk_div6_register(div6_clks, DIV6_NR); + + if (!ret) + ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR); + + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); + + if (!ret) + clk_init(); + else + panic("failed to setup sh7377 clocks\n"); +} diff --git a/arch/arm/mach-shmobile/clock.c b/arch/arm/mach-shmobile/clock.c new file mode 100644 index 000000000000..b7c705a213a2 --- /dev/null +++ b/arch/arm/mach-shmobile/clock.c @@ -0,0 +1,44 @@ +/* + * SH-Mobile Timer + * + * Copyright (C) 2010 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/sh_clk.h> + +int __init clk_init(void) +{ + /* Kick the child clocks.. */ + recalculate_root_clocks(); + + /* Enable the necessary init clocks */ + clk_enable_init_clocks(); + + return 0; +} + +int __clk_get(struct clk *clk) +{ + return 1; +} +EXPORT_SYMBOL(__clk_get); + +void __clk_put(struct clk *clk) +{ +} +EXPORT_SYMBOL(__clk_put); diff --git a/arch/arm/mach-shmobile/include/mach/common.h b/arch/arm/mach-shmobile/include/mach/common.h index 57903605cc51..efeef778a875 100644 --- a/arch/arm/mach-shmobile/include/mach/common.h +++ b/arch/arm/mach-shmobile/include/mach/common.h @@ -3,21 +3,31 @@ extern struct sys_timer shmobile_timer; extern void shmobile_setup_console(void); +struct clk; +extern int clk_init(void); extern void sh7367_init_irq(void); extern void sh7367_add_early_devices(void); extern void sh7367_add_standard_devices(void); extern void sh7367_clock_init(void); extern void sh7367_pinmux_init(void); +extern struct clk sh7367_extalb1_clk; +extern struct clk sh7367_extal2_clk; extern void sh7377_init_irq(void); extern void sh7377_add_early_devices(void); extern void sh7377_add_standard_devices(void); +extern void sh7377_clock_init(void); extern void sh7377_pinmux_init(void); +extern struct clk sh7377_extalc1_clk; +extern struct clk sh7377_extal2_clk; extern void sh7372_init_irq(void); extern void sh7372_add_early_devices(void); extern void sh7372_add_standard_devices(void); +extern void sh7372_clock_init(void); extern void sh7372_pinmux_init(void); +extern struct clk sh7372_extal1_clk; +extern struct clk sh7372_extal2_clk; #endif /* __ARCH_MACH_COMMON_H */ diff --git a/arch/arm/mach-shmobile/include/mach/irqs.h b/arch/arm/mach-shmobile/include/mach/irqs.h index 5179b72e1ee3..e881797648a9 100644 --- a/arch/arm/mach-shmobile/include/mach/irqs.h +++ b/arch/arm/mach-shmobile/include/mach/irqs.h @@ -4,7 +4,13 @@ #define NR_IRQS 512 #define NR_IRQS_LEGACY 8 +/* INTCA */ #define evt2irq(evt) (((evt) >> 5) - 16) #define irq2evt(irq) (((irq) + 16) << 5) +/* INTCS */ +#define INTCS_VECT_BASE 0x2200 +#define INTCS_VECT(n, vect) INTC_VECT((n), INTCS_VECT_BASE + (vect)) +#define intcs_evt2irq(evt) evt2irq(INTCS_VECT_BASE + (evt)) + #endif /* __ASM_MACH_IRQS_H */ diff --git a/arch/arm/mach-shmobile/include/mach/memory.h b/arch/arm/mach-shmobile/include/mach/memory.h index e188183f4dce..377584e57e03 100644 --- a/arch/arm/mach-shmobile/include/mach/memory.h +++ b/arch/arm/mach-shmobile/include/mach/memory.h @@ -4,4 +4,7 @@ #define PHYS_OFFSET UL(CONFIG_MEMORY_START) #define MEM_SIZE UL(CONFIG_MEMORY_SIZE) +/* DMA memory at 0xf6000000 - 0xffdfffff */ +#define CONSISTENT_DMA_SIZE (158 << 20) + #endif /* __ASM_MACH_MEMORY_H */ diff --git a/arch/arm/mach-shmobile/include/mach/sh7372.h b/arch/arm/mach-shmobile/include/mach/sh7372.h index dc34f00c56b8..c2d2d811059c 100644 --- a/arch/arm/mach-shmobile/include/mach/sh7372.h +++ b/arch/arm/mach-shmobile/include/mach/sh7372.h @@ -431,4 +431,28 @@ enum { GPIO_FN_SDENC_DV_CLKI, }; +/* DMA slave IDs */ +enum { + SHDMA_SLAVE_SCIF0_TX, + SHDMA_SLAVE_SCIF0_RX, + SHDMA_SLAVE_SCIF1_TX, + SHDMA_SLAVE_SCIF1_RX, + SHDMA_SLAVE_SCIF2_TX, + SHDMA_SLAVE_SCIF2_RX, + SHDMA_SLAVE_SCIF3_TX, + SHDMA_SLAVE_SCIF3_RX, + SHDMA_SLAVE_SCIF4_TX, + SHDMA_SLAVE_SCIF4_RX, + SHDMA_SLAVE_SCIF5_TX, + SHDMA_SLAVE_SCIF5_RX, + SHDMA_SLAVE_SCIF6_TX, + SHDMA_SLAVE_SCIF6_RX, + SHDMA_SLAVE_SDHI0_RX, + SHDMA_SLAVE_SDHI0_TX, + SHDMA_SLAVE_SDHI1_RX, + SHDMA_SLAVE_SDHI1_TX, + SHDMA_SLAVE_SDHI2_RX, + SHDMA_SLAVE_SDHI2_TX, +}; + #endif /* __ASM_SH7372_H__ */ diff --git a/arch/arm/mach-shmobile/include/mach/vmalloc.h b/arch/arm/mach-shmobile/include/mach/vmalloc.h index fb3c4f1ab252..4aecf6e3a859 100644 --- a/arch/arm/mach-shmobile/include/mach/vmalloc.h +++ b/arch/arm/mach-shmobile/include/mach/vmalloc.h @@ -1,6 +1,7 @@ #ifndef __ASM_MACH_VMALLOC_H #define __ASM_MACH_VMALLOC_H -#define VMALLOC_END (PAGE_OFFSET + 0x24000000) +/* Vmalloc at ... - 0xe5ffffff */ +#define VMALLOC_END 0xe6000000 #endif /* __ASM_MACH_VMALLOC_H */ diff --git a/arch/arm/mach-shmobile/intc-sh7367.c b/arch/arm/mach-shmobile/intc-sh7367.c index 5ff70cadfc32..1a20c489b20d 100644 --- a/arch/arm/mach-shmobile/intc-sh7367.c +++ b/arch/arm/mach-shmobile/intc-sh7367.c @@ -75,7 +75,7 @@ enum { ETM11, ARM11, USBHS, FLCTL, IIC1 }; -static struct intc_vect intca_vectors[] = { +static struct intc_vect intca_vectors[] __initdata = { INTC_VECT(IRQ0A, 0x0200), INTC_VECT(IRQ1A, 0x0220), INTC_VECT(IRQ2A, 0x0240), INTC_VECT(IRQ3A, 0x0260), INTC_VECT(IRQ4A, 0x0280), INTC_VECT(IRQ5A, 0x02a0), @@ -162,7 +162,7 @@ static struct intc_group intca_groups[] __initdata = { INTC_GROUP(IIC1, IIC1_ALI1, IIC1_TACKI1, IIC1_WAITI1, IIC1_DTEI1), }; -static struct intc_mask_reg intca_mask_registers[] = { +static struct intc_mask_reg intca_mask_registers[] __initdata = { { 0xe6900040, 0xe6900060, 8, /* INTMSK00A / INTMSKCLR00A */ { IRQ0A, IRQ1A, IRQ2A, IRQ3A, IRQ4A, IRQ5A, IRQ6A, IRQ7A } }, { 0xe6900044, 0xe6900064, 8, /* INTMSK10A / INTMSKCLR10A */ @@ -211,7 +211,7 @@ static struct intc_mask_reg intca_mask_registers[] = { MISTY, CMT3, RWDT1, RWDT0 } }, }; -static struct intc_prio_reg intca_prio_registers[] = { +static struct intc_prio_reg intca_prio_registers[] __initdata = { { 0xe6900010, 0, 32, 4, /* INTPRI00A */ { IRQ0A, IRQ1A, IRQ2A, IRQ3A, IRQ4A, IRQ5A, IRQ6A, IRQ7A } }, { 0xe6900014, 0, 32, 4, /* INTPRI10A */ @@ -263,8 +263,178 @@ static struct intc_desc intca_desc __initdata = { intca_sense_registers, intca_ack_registers), }; +enum { + UNUSED_INTCS = 0, + + INTCS, + + /* interrupt sources INTCS */ + VIO2_VEU0, VIO2_VEU1, VIO2_VEU2, VIO2_VEU3, + VIO3_VOU, + RTDMAC_1_DEI0, RTDMAC_1_DEI1, RTDMAC_1_DEI2, RTDMAC_1_DEI3, + VIO1_CEU, VIO1_BEU0, VIO1_BEU1, VIO1_BEU2, + VPU, + SGX530, + _2DDMAC_2DDM0, _2DDMAC_2DDM1, _2DDMAC_2DDM2, _2DDMAC_2DDM3, + IIC2_ALI2, IIC2_TACKI2, IIC2_WAITI2, IIC2_DTEI2, + IPMMU_IPMMUB, IPMMU_IPMMUS, + RTDMAC_2_DEI4, RTDMAC_2_DEI5, RTDMAC_2_DADERR, + MSIOF, + IIC0_ALI0, IIC0_TACKI0, IIC0_WAITI0, IIC0_DTEI0, + TMU_TUNI0, TMU_TUNI1, TMU_TUNI2, + CMT, + TSIF, + IPMMUI, + MVI3, + ICB, + PEP, + ASA, + BEM, + VE2HO, + HQE, + JPEG, + LCDC, + + /* interrupt groups INTCS */ + _2DDMAC, RTDMAC_1, RTDMAC_2, VEU, BEU, IIC0, IPMMU, IIC2, +}; + +static struct intc_vect intcs_vectors[] = { + INTCS_VECT(VIO2_VEU0, 0x700), INTCS_VECT(VIO2_VEU1, 0x720), + INTCS_VECT(VIO2_VEU2, 0x740), INTCS_VECT(VIO2_VEU3, 0x760), + INTCS_VECT(VIO3_VOU, 0x780), + INTCS_VECT(RTDMAC_1_DEI0, 0x800), INTCS_VECT(RTDMAC_1_DEI1, 0x820), + INTCS_VECT(RTDMAC_1_DEI2, 0x840), INTCS_VECT(RTDMAC_1_DEI3, 0x860), + INTCS_VECT(VIO1_CEU, 0x880), INTCS_VECT(VIO1_BEU0, 0x8a0), + INTCS_VECT(VIO1_BEU1, 0x8c0), INTCS_VECT(VIO1_BEU2, 0x8e0), + INTCS_VECT(VPU, 0x980), + INTCS_VECT(SGX530, 0x9e0), + INTCS_VECT(_2DDMAC_2DDM0, 0xa00), INTCS_VECT(_2DDMAC_2DDM1, 0xa20), + INTCS_VECT(_2DDMAC_2DDM2, 0xa40), INTCS_VECT(_2DDMAC_2DDM3, 0xa60), + INTCS_VECT(IIC2_ALI2, 0xa80), INTCS_VECT(IIC2_TACKI2, 0xaa0), + INTCS_VECT(IIC2_WAITI2, 0xac0), INTCS_VECT(IIC2_DTEI2, 0xae0), + INTCS_VECT(IPMMU_IPMMUB, 0xb20), INTCS_VECT(IPMMU_IPMMUS, 0xb60), + INTCS_VECT(RTDMAC_2_DEI4, 0xb80), INTCS_VECT(RTDMAC_2_DEI5, 0xba0), + INTCS_VECT(RTDMAC_2_DADERR, 0xbc0), + INTCS_VECT(MSIOF, 0xd20), + INTCS_VECT(IIC0_ALI0, 0xe00), INTCS_VECT(IIC0_TACKI0, 0xe20), + INTCS_VECT(IIC0_WAITI0, 0xe40), INTCS_VECT(IIC0_DTEI0, 0xe60), + INTCS_VECT(TMU_TUNI0, 0xe80), INTCS_VECT(TMU_TUNI1, 0xea0), + INTCS_VECT(TMU_TUNI2, 0xec0), + INTCS_VECT(CMT, 0xf00), + INTCS_VECT(TSIF, 0xf20), + INTCS_VECT(IPMMUI, 0xf60), + INTCS_VECT(MVI3, 0x420), + INTCS_VECT(ICB, 0x480), + INTCS_VECT(PEP, 0x4a0), + INTCS_VECT(ASA, 0x4c0), + INTCS_VECT(BEM, 0x4e0), + INTCS_VECT(VE2HO, 0x520), + INTCS_VECT(HQE, 0x540), + INTCS_VECT(JPEG, 0x560), + INTCS_VECT(LCDC, 0x580), + + INTC_VECT(INTCS, 0xf80), +}; + +static struct intc_group intcs_groups[] __initdata = { + INTC_GROUP(_2DDMAC, _2DDMAC_2DDM0, _2DDMAC_2DDM1, + _2DDMAC_2DDM2, _2DDMAC_2DDM3), + INTC_GROUP(RTDMAC_1, RTDMAC_1_DEI0, RTDMAC_1_DEI1, + RTDMAC_1_DEI2, RTDMAC_1_DEI3), + INTC_GROUP(RTDMAC_2, RTDMAC_2_DEI4, RTDMAC_2_DEI5, RTDMAC_2_DADERR), + INTC_GROUP(VEU, VIO2_VEU0, VIO2_VEU1, VIO2_VEU2, VIO2_VEU3), + INTC_GROUP(BEU, VIO1_BEU0, VIO1_BEU1, VIO1_BEU2), + INTC_GROUP(IIC0, IIC0_ALI0, IIC0_TACKI0, IIC0_WAITI0, IIC0_DTEI0), + INTC_GROUP(IPMMU, IPMMU_IPMMUS, IPMMU_IPMMUB), + INTC_GROUP(IIC2, IIC2_ALI2, IIC2_TACKI2, IIC2_WAITI2, IIC2_DTEI2), +}; + +static struct intc_mask_reg intcs_mask_registers[] = { + { 0xffd20184, 0xffd201c4, 8, /* IMR1SA / IMCR1SA */ + { VIO1_BEU2, VIO1_BEU1, VIO1_BEU0, VIO1_CEU, + VIO2_VEU3, VIO2_VEU2, VIO2_VEU1, VIO2_VEU0 } }, + { 0xffd20188, 0xffd201c8, 8, /* IMR2SA / IMCR2SA */ + { VIO3_VOU, 0, VE2HO, VPU, + 0, 0, 0, 0 } }, + { 0xffd2018c, 0xffd201cc, 8, /* IMR3SA / IMCR3SA */ + { _2DDMAC_2DDM3, _2DDMAC_2DDM2, _2DDMAC_2DDM1, _2DDMAC_2DDM0, + BEM, ASA, PEP, ICB } }, + { 0xffd20190, 0xffd201d0, 8, /* IMR4SA / IMCR4SA */ + { 0, 0, MVI3, 0, + JPEG, HQE, 0, LCDC } }, + { 0xffd20194, 0xffd201d4, 8, /* IMR5SA / IMCR5SA */ + { 0, RTDMAC_2_DADERR, RTDMAC_2_DEI5, RTDMAC_2_DEI4, + RTDMAC_1_DEI3, RTDMAC_1_DEI2, RTDMAC_1_DEI1, RTDMAC_1_DEI0 } }, + { 0xffd20198, 0xffd201d8, 8, /* IMR6SA / IMCR6SA */ + { 0, 0, MSIOF, 0, + SGX530, 0, 0, 0 } }, + { 0xffd2019c, 0xffd201dc, 8, /* IMR7SA / IMCR7SA */ + { 0, TMU_TUNI2, TMU_TUNI1, TMU_TUNI0, + 0, 0, 0, 0 } }, + { 0xffd201a4, 0xffd201e4, 8, /* IMR9SA / IMCR9SA */ + { 0, 0, 0, CMT, + IIC2_DTEI2, IIC2_WAITI2, IIC2_TACKI2, IIC2_ALI2 } }, + { 0xffd201a8, 0xffd201e8, 8, /* IMR10SA / IMCR10SA */ + { IPMMU_IPMMUS, 0, IPMMU_IPMMUB, 0, + 0, 0, 0, 0 } }, + { 0xffd201ac, 0xffd201ec, 8, /* IMR11SA / IMCR11SA */ + { IIC0_DTEI0, IIC0_WAITI0, IIC0_TACKI0, IIC0_ALI0, + 0, 0, IPMMUI, TSIF } }, + { 0xffd20104, 0, 16, /* INTAMASK */ + { 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, INTCS } }, +}; + +/* Priority is needed for INTCA to receive the INTCS interrupt */ +static struct intc_prio_reg intcs_prio_registers[] = { + { 0xffd20000, 0, 16, 4, /* IPRAS */ { 0, MVI3, _2DDMAC, ICB } }, + { 0xffd20004, 0, 16, 4, /* IPRBS */ { JPEG, LCDC, 0, 0 } }, + { 0xffd20008, 0, 16, 4, /* IPRCS */ { BBIF2, 0, 0, 0 } }, + { 0xffd20010, 0, 16, 4, /* IPRES */ { RTDMAC_1, VIO1_CEU, 0, VPU } }, + { 0xffd20014, 0, 16, 4, /* IPRFS */ { 0, RTDMAC_2, 0, CMT } }, + { 0xffd20018, 0, 16, 4, /* IPRGS */ { TMU_TUNI0, TMU_TUNI1, + TMU_TUNI2, 0 } }, + { 0xffd2001c, 0, 16, 4, /* IPRHS */ { 0, VIO3_VOU, VEU, BEU } }, + { 0xffd20020, 0, 16, 4, /* IPRIS */ { 0, MSIOF, TSIF, IIC0 } }, + { 0xffd20024, 0, 16, 4, /* IPRJS */ { 0, SGX530, 0, 0 } }, + { 0xffd20028, 0, 16, 4, /* IPRKS */ { BEM, ASA, IPMMUI, PEP } }, + { 0xffd2002c, 0, 16, 4, /* IPRLS */ { IPMMU, 0, VE2HO, HQE } }, + { 0xffd20030, 0, 16, 4, /* IPRMS */ { IIC2, 0, 0, 0 } }, +}; + +static struct resource intcs_resources[] __initdata = { + [0] = { + .start = 0xffd20000, + .end = 0xffd2ffff, + .flags = IORESOURCE_MEM, + } +}; + +static struct intc_desc intcs_desc __initdata = { + .name = "sh7367-intcs", + .resource = intcs_resources, + .num_resources = ARRAY_SIZE(intcs_resources), + .hw = INTC_HW_DESC(intcs_vectors, intcs_groups, intcs_mask_registers, + intcs_prio_registers, NULL, NULL), +}; + +static void intcs_demux(unsigned int irq, struct irq_desc *desc) +{ + void __iomem *reg = (void *)get_irq_data(irq); + unsigned int evtcodeas = ioread32(reg); + + generic_handle_irq(intcs_evt2irq(evtcodeas)); +} + void __init sh7367_init_irq(void) { - /* INTCA */ + void __iomem *intevtsa = ioremap_nocache(0xffd20100, PAGE_SIZE); + register_intc_controller(&intca_desc); + register_intc_controller(&intcs_desc); + + /* demux using INTEVTSA */ + set_irq_data(evt2irq(0xf80), (void *)intevtsa); + set_irq_chained_handler(evt2irq(0xf80), intcs_demux); } diff --git a/arch/arm/mach-shmobile/intc-sh7372.c b/arch/arm/mach-shmobile/intc-sh7372.c index 3ce9d9bd5899..e3551b56cd03 100644 --- a/arch/arm/mach-shmobile/intc-sh7372.c +++ b/arch/arm/mach-shmobile/intc-sh7372.c @@ -319,17 +319,17 @@ static struct intc_prio_reg intca_prio_registers[] __initdata = { { 0xe6950034, 0, 16, 4, /* IPRNA3 */ { AP_ARM2, 0, 0, 0 } }, { 0xe6950038, 0, 16, 4, /* IPROA3 */ { MFIS2, CPORTR2S, CMT14, CMT15 } }, - { 0xe694003c, 0, 16, 4, /* IPRPA3 */ { 0, 0, + { 0xe695003c, 0, 16, 4, /* IPRPA3 */ { 0, 0, MMC_MMC_ERR, MMC_MMC_NOR } }, - { 0xe6940040, 0, 16, 4, /* IPRQA3 */ { IIC4_ALI4, IIC4_TACKI4, + { 0xe6950040, 0, 16, 4, /* IPRQA3 */ { IIC4_ALI4, IIC4_TACKI4, IIC4_WAITI4, IIC4_DTEI4 } }, - { 0xe6940044, 0, 16, 4, /* IPRRA3 */ { IIC3_ALI3, IIC3_TACKI3, + { 0xe6950044, 0, 16, 4, /* IPRRA3 */ { IIC3_ALI3, IIC3_TACKI3, IIC3_WAITI3, IIC3_DTEI3 } }, - { 0xe6940048, 0, 16, 4, /* IPRSA3 */ { 0/*ERI*/, 0/*RXI*/, + { 0xe6950048, 0, 16, 4, /* IPRSA3 */ { 0/*ERI*/, 0/*RXI*/, 0/*TXI*/, 0/*TEI*/} }, - { 0xe694004c, 0, 16, 4, /* IPRTA3 */ { USB0_USB0I1, USB0_USB0I0, + { 0xe695004c, 0, 16, 4, /* IPRTA3 */ { USB0_USB0I1, USB0_USB0I0, USB1_USB1I1, USB1_USB1I0 } }, - { 0xe6940050, 0, 16, 4, /* IPRUA3 */ { USBHSDMAC1_USHDMI, 0, 0, 0 } }, + { 0xe6950050, 0, 16, 4, /* IPRUA3 */ { USBHSDMAC1_USHDMI, 0, 0, 0 } }, }; static struct intc_sense_reg intca_sense_registers[] __initdata = { @@ -363,7 +363,227 @@ static struct intc_desc intca_desc __initdata = { intca_sense_registers, intca_ack_registers), }; +enum { + UNUSED_INTCS = 0, + + INTCS, + + /* interrupt sources INTCS */ + VEU_VEU0, VEU_VEU1, VEU_VEU2, VEU_VEU3, + RTDMAC_1_DEI0, RTDMAC_1_DEI1, RTDMAC_1_DEI2, RTDMAC_1_DEI3, + CEU, BEU_BEU0, BEU_BEU1, BEU_BEU2, + VPU, + TSIF1, + _3DG_SGX530, + _2DDMAC, + IIC2_ALI2, IIC2_TACKI2, IIC2_WAITI2, IIC2_DTEI2, + IPMMU_IPMMUR, IPMMU_IPMMUR2, + RTDMAC_2_DEI4, RTDMAC_2_DEI5, RTDMAC_2_DADERR, + MSIOF, + IIC0_ALI0, IIC0_TACKI0, IIC0_WAITI0, IIC0_DTEI0, + TMU_TUNI0, TMU_TUNI1, TMU_TUNI2, + CMT0, + TSIF0, + LMB, + CTI, + ICB, + JPU_JPEG, + LCDC, + LCRC, + RTDMAC2_1_DEI0, RTDMAC2_1_DEI1, RTDMAC2_1_DEI2, RTDMAC2_1_DEI3, + RTDMAC2_2_DEI4, RTDMAC2_2_DEI5, RTDMAC2_2_DADERR, + ISP, + LCDC1, + CSIRX, + DSITX_DSITX0, + DSITX_DSITX1, + TMU1_TUNI0, TMU1_TUNI1, TMU1_TUNI2, + CMT4, + DSITX1_DSITX1_0, + DSITX1_DSITX1_1, + CPORTS2R, + JPU6E, + + /* interrupt groups INTCS */ + RTDMAC_1, RTDMAC_2, VEU, BEU, IIC0, IPMMU, IIC2, + RTDMAC2_1, RTDMAC2_2, TMU1, DSITX, +}; + +static struct intc_vect intcs_vectors[] = { + INTCS_VECT(VEU_VEU0, 0x700), INTCS_VECT(VEU_VEU1, 0x720), + INTCS_VECT(VEU_VEU2, 0x740), INTCS_VECT(VEU_VEU3, 0x760), + INTCS_VECT(RTDMAC_1_DEI0, 0x800), INTCS_VECT(RTDMAC_1_DEI1, 0x820), + INTCS_VECT(RTDMAC_1_DEI2, 0x840), INTCS_VECT(RTDMAC_1_DEI3, 0x860), + INTCS_VECT(CEU, 0x880), INTCS_VECT(BEU_BEU0, 0x8a0), + INTCS_VECT(BEU_BEU1, 0x8c0), INTCS_VECT(BEU_BEU2, 0x8e0), + INTCS_VECT(VPU, 0x980), + INTCS_VECT(TSIF1, 0x9a0), + INTCS_VECT(_3DG_SGX530, 0x9e0), + INTCS_VECT(_2DDMAC, 0xa00), + INTCS_VECT(IIC2_ALI2, 0xa80), INTCS_VECT(IIC2_TACKI2, 0xaa0), + INTCS_VECT(IIC2_WAITI2, 0xac0), INTCS_VECT(IIC2_DTEI2, 0xae0), + INTCS_VECT(IPMMU_IPMMUR, 0xb00), INTCS_VECT(IPMMU_IPMMUR2, 0xb20), + INTCS_VECT(RTDMAC_2_DEI4, 0xb80), INTCS_VECT(RTDMAC_2_DEI5, 0xba0), + INTCS_VECT(RTDMAC_2_DADERR, 0xbc0), + INTCS_VECT(IIC0_ALI0, 0xe00), INTCS_VECT(IIC0_TACKI0, 0xe20), + INTCS_VECT(IIC0_WAITI0, 0xe40), INTCS_VECT(IIC0_DTEI0, 0xe60), + INTCS_VECT(TMU_TUNI0, 0xe80), INTCS_VECT(TMU_TUNI1, 0xea0), + INTCS_VECT(TMU_TUNI2, 0xec0), + INTCS_VECT(CMT0, 0xf00), + INTCS_VECT(TSIF0, 0xf20), + INTCS_VECT(LMB, 0xf60), + INTCS_VECT(CTI, 0x400), + INTCS_VECT(ICB, 0x480), + INTCS_VECT(JPU_JPEG, 0x560), + INTCS_VECT(LCDC, 0x580), + INTCS_VECT(LCRC, 0x5a0), + INTCS_VECT(RTDMAC2_1_DEI0, 0x1300), INTCS_VECT(RTDMAC2_1_DEI1, 0x1320), + INTCS_VECT(RTDMAC2_1_DEI2, 0x1340), INTCS_VECT(RTDMAC2_1_DEI3, 0x1360), + INTCS_VECT(RTDMAC2_2_DEI4, 0x1380), INTCS_VECT(RTDMAC2_2_DEI5, 0x13a0), + INTCS_VECT(RTDMAC2_2_DADERR, 0x13c0), + INTCS_VECT(ISP, 0x1720), + INTCS_VECT(LCDC1, 0x1780), + INTCS_VECT(CSIRX, 0x17a0), + INTCS_VECT(DSITX_DSITX0, 0x17c0), + INTCS_VECT(DSITX_DSITX1, 0x17e0), + INTCS_VECT(TMU1_TUNI0, 0x1900), INTCS_VECT(TMU1_TUNI1, 0x1920), + INTCS_VECT(TMU1_TUNI2, 0x1940), + INTCS_VECT(CMT4, 0x1980), + INTCS_VECT(DSITX1_DSITX1_0, 0x19a0), + INTCS_VECT(DSITX1_DSITX1_1, 0x19c0), + INTCS_VECT(CPORTS2R, 0x1a20), + INTCS_VECT(JPU6E, 0x1a80), + + INTC_VECT(INTCS, 0xf80), +}; + +static struct intc_group intcs_groups[] __initdata = { + INTC_GROUP(RTDMAC_1, RTDMAC_1_DEI0, RTDMAC_1_DEI1, + RTDMAC_1_DEI2, RTDMAC_1_DEI3), + INTC_GROUP(RTDMAC_2, RTDMAC_2_DEI4, RTDMAC_2_DEI5, RTDMAC_2_DADERR), + INTC_GROUP(VEU, VEU_VEU0, VEU_VEU1, VEU_VEU2, VEU_VEU3), + INTC_GROUP(BEU, BEU_BEU0, BEU_BEU1, BEU_BEU2), + INTC_GROUP(IIC0, IIC0_ALI0, IIC0_TACKI0, IIC0_WAITI0, IIC0_DTEI0), + INTC_GROUP(IPMMU, IPMMU_IPMMUR, IPMMU_IPMMUR2), + INTC_GROUP(IIC2, IIC2_ALI2, IIC2_TACKI2, IIC2_WAITI2, IIC2_DTEI2), + INTC_GROUP(RTDMAC2_1, RTDMAC2_1_DEI0, RTDMAC2_1_DEI1, + RTDMAC2_1_DEI2, RTDMAC2_1_DEI3), + INTC_GROUP(RTDMAC2_2, RTDMAC2_2_DEI4, + RTDMAC2_2_DEI5, RTDMAC2_2_DADERR), + INTC_GROUP(TMU1, TMU1_TUNI2, TMU1_TUNI1, TMU1_TUNI0), + INTC_GROUP(DSITX, DSITX_DSITX0, DSITX_DSITX1), +}; + +static struct intc_mask_reg intcs_mask_registers[] = { + { 0xffd20184, 0xffd201c4, 8, /* IMR1SA / IMCR1SA */ + { BEU_BEU2, BEU_BEU1, BEU_BEU0, CEU, + VEU_VEU3, VEU_VEU2, VEU_VEU1, VEU_VEU0 } }, + { 0xffd20188, 0xffd201c8, 8, /* IMR2SA / IMCR2SA */ + { 0, 0, 0, VPU, + 0, 0, 0, 0 } }, + { 0xffd2018c, 0xffd201cc, 8, /* IMR3SA / IMCR3SA */ + { 0, 0, 0, _2DDMAC, + 0, 0, 0, ICB } }, + { 0xffd20190, 0xffd201d0, 8, /* IMR4SA / IMCR4SA */ + { 0, 0, 0, CTI, + JPU_JPEG, 0, LCRC, LCDC } }, + { 0xffd20194, 0xffd201d4, 8, /* IMR5SA / IMCR5SA */ + { 0, RTDMAC_2_DADERR, RTDMAC_2_DEI5, RTDMAC_2_DEI4, + RTDMAC_1_DEI3, RTDMAC_1_DEI2, RTDMAC_1_DEI1, RTDMAC_1_DEI0 } }, + { 0xffd20198, 0xffd201d8, 8, /* IMR6SA / IMCR6SA */ + { 0, 0, MSIOF, 0, + _3DG_SGX530, 0, 0, 0 } }, + { 0xffd2019c, 0xffd201dc, 8, /* IMR7SA / IMCR7SA */ + { 0, TMU_TUNI2, TMU_TUNI1, TMU_TUNI0, + 0, 0, 0, 0 } }, + { 0xffd201a4, 0xffd201e4, 8, /* IMR9SA / IMCR9SA */ + { 0, 0, 0, CMT0, + IIC2_DTEI2, IIC2_WAITI2, IIC2_TACKI2, IIC2_ALI2 } }, + { 0xffd201a8, 0xffd201e8, 8, /* IMR10SA / IMCR10SA */ + { 0, 0, IPMMU_IPMMUR2, IPMMU_IPMMUR, + 0, 0, 0, 0 } }, + { 0xffd201ac, 0xffd201ec, 8, /* IMR11SA / IMCR11SA */ + { IIC0_DTEI0, IIC0_WAITI0, IIC0_TACKI0, IIC0_ALI0, + 0, TSIF1, LMB, TSIF0 } }, + { 0xffd50180, 0xffd501c0, 8, /* IMR0SA3 / IMCR0SA3 */ + { 0, RTDMAC2_2_DADERR, RTDMAC2_2_DEI5, RTDMAC2_2_DEI4, + RTDMAC2_1_DEI3, RTDMAC2_1_DEI2, RTDMAC2_1_DEI1, RTDMAC2_1_DEI0 } }, + { 0xffd50190, 0xffd501d0, 8, /* IMR4SA3 / IMCR4SA3 */ + { 0, ISP, 0, 0, + LCDC1, CSIRX, DSITX_DSITX0, DSITX_DSITX1 } }, + { 0xffd50198, 0xffd501d8, 8, /* IMR6SA3 / IMCR6SA3 */ + { 0, TMU1_TUNI2, TMU1_TUNI1, TMU1_TUNI0, + CMT4, DSITX1_DSITX1_0, DSITX1_DSITX1_1, 0 } }, + { 0xffd5019c, 0xffd501dc, 8, /* IMR7SA3 / IMCR7SA3 */ + { 0, CPORTS2R, 0, 0, + JPU6E, 0, 0, 0 } }, + { 0xffd20104, 0, 16, /* INTAMASK */ + { 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, INTCS } }, +}; + +/* Priority is needed for INTCA to receive the INTCS interrupt */ +static struct intc_prio_reg intcs_prio_registers[] = { + { 0xffd20000, 0, 16, 4, /* IPRAS */ { CTI, 0, _2DDMAC, ICB } }, + { 0xffd20004, 0, 16, 4, /* IPRBS */ { JPU_JPEG, LCDC, 0, LCRC } }, + { 0xffd20010, 0, 16, 4, /* IPRES */ { RTDMAC_1, CEU, 0, VPU } }, + { 0xffd20014, 0, 16, 4, /* IPRFS */ { 0, RTDMAC_2, 0, CMT0 } }, + { 0xffd20018, 0, 16, 4, /* IPRGS */ { TMU_TUNI0, TMU_TUNI1, + TMU_TUNI2, TSIF1 } }, + { 0xffd2001c, 0, 16, 4, /* IPRHS */ { 0, 0, VEU, BEU } }, + { 0xffd20020, 0, 16, 4, /* IPRIS */ { 0, MSIOF, TSIF0, IIC0 } }, + { 0xffd20024, 0, 16, 4, /* IPRJS */ { 0, _3DG_SGX530, 0, 0 } }, + { 0xffd20028, 0, 16, 4, /* IPRKS */ { 0, 0, LMB, 0 } }, + { 0xffd2002c, 0, 16, 4, /* IPRLS */ { IPMMU, 0, 0, 0 } }, + { 0xffd20030, 0, 16, 4, /* IPRMS */ { IIC2, 0, 0, 0 } }, + { 0xffd50000, 0, 16, 4, /* IPRAS3 */ { RTDMAC2_1, 0, 0, 0 } }, + { 0xffd50004, 0, 16, 4, /* IPRBS3 */ { RTDMAC2_2, 0, 0, 0 } }, + { 0xffd50020, 0, 16, 4, /* IPRIS3 */ { 0, ISP, 0, 0 } }, + { 0xffd50024, 0, 16, 4, /* IPRJS3 */ { LCDC1, CSIRX, DSITX, 0 } }, + { 0xffd50030, 0, 16, 4, /* IPRMS3 */ { TMU1, 0, 0, 0 } }, + { 0xffd50034, 0, 16, 4, /* IPRNS3 */ { CMT4, DSITX1_DSITX1_0, + DSITX1_DSITX1_1, 0 } }, + { 0xffd50038, 0, 16, 4, /* IPROS3 */ { 0, CPORTS2R, 0, 0 } }, + { 0xffd5003c, 0, 16, 4, /* IPRPS3 */ { JPU6E, 0, 0, 0 } }, +}; + +static struct resource intcs_resources[] __initdata = { + [0] = { + .start = 0xffd20000, + .end = 0xffd201ff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 0xffd50000, + .end = 0xffd501ff, + .flags = IORESOURCE_MEM, + } +}; + +static struct intc_desc intcs_desc __initdata = { + .name = "sh7372-intcs", + .resource = intcs_resources, + .num_resources = ARRAY_SIZE(intcs_resources), + .hw = INTC_HW_DESC(intcs_vectors, intcs_groups, intcs_mask_registers, + intcs_prio_registers, NULL, NULL), +}; + +static void intcs_demux(unsigned int irq, struct irq_desc *desc) +{ + void __iomem *reg = (void *)get_irq_data(irq); + unsigned int evtcodeas = ioread32(reg); + + generic_handle_irq(intcs_evt2irq(evtcodeas)); +} + void __init sh7372_init_irq(void) { + void __iomem *intevtsa = ioremap_nocache(0xffd20100, PAGE_SIZE); + register_intc_controller(&intca_desc); + register_intc_controller(&intcs_desc); + + /* demux using INTEVTSA */ + set_irq_data(evt2irq(0xf80), (void *)intevtsa); + set_irq_chained_handler(evt2irq(0xf80), intcs_demux); } diff --git a/arch/arm/mach-shmobile/intc-sh7377.c b/arch/arm/mach-shmobile/intc-sh7377.c index 5c781e2d1897..2cdeb8ccd821 100644 --- a/arch/arm/mach-shmobile/intc-sh7377.c +++ b/arch/arm/mach-shmobile/intc-sh7377.c @@ -90,7 +90,7 @@ enum { ICUSB, ICUDMC }; -static struct intc_vect intca_vectors[] = { +static struct intc_vect intca_vectors[] __initdata = { INTC_VECT(IRQ0A, 0x0200), INTC_VECT(IRQ1A, 0x0220), INTC_VECT(IRQ2A, 0x0240), INTC_VECT(IRQ3A, 0x0260), INTC_VECT(IRQ4A, 0x0280), INTC_VECT(IRQ5A, 0x02a0), @@ -202,7 +202,7 @@ static struct intc_group intca_groups[] __initdata = { INTC_GROUP(ICUDMC, ICUDMC_ICUDMC1, ICUDMC_ICUDMC2), }; -static struct intc_mask_reg intca_mask_registers[] = { +static struct intc_mask_reg intca_mask_registers[] __initdata = { { 0xe6900040, 0xe6900060, 8, /* INTMSK00A / INTMSKCLR00A */ { IRQ0A, IRQ1A, IRQ2A, IRQ3A, IRQ4A, IRQ5A, IRQ6A, IRQ7A } }, { 0xe6900044, 0xe6900064, 8, /* INTMSK10A / INTMSKCLR10A */ @@ -272,7 +272,7 @@ static struct intc_mask_reg intca_mask_registers[] = { SCIFA6, 0, 0, 0 } }, }; -static struct intc_prio_reg intca_prio_registers[] = { +static struct intc_prio_reg intca_prio_registers[] __initdata = { { 0xe6900010, 0, 32, 4, /* INTPRI00A */ { IRQ0A, IRQ1A, IRQ2A, IRQ3A, IRQ4A, IRQ5A, IRQ6A, IRQ7A } }, { 0xe6900014, 0, 32, 4, /* INTPRI10A */ @@ -346,7 +346,301 @@ static struct intc_desc intca_desc __initdata = { intca_sense_registers, intca_ack_registers), }; +/* this macro ignore entry which is also in INTCA */ +#define __IGNORE(a...) +#define __IGNORE0(a...) 0 + +enum { + UNUSED_INTCS = 0, + + INTCS, + + /* interrupt sources INTCS */ + VEU_VEU0, VEU_VEU1, VEU_VEU2, VEU_VEU3, + RTDMAC1_1_DEI0, RTDMAC1_1_DEI1, RTDMAC1_1_DEI2, RTDMAC1_1_DEI3, + CEU, + BEU_BEU0, BEU_BEU1, BEU_BEU2, + __IGNORE(MFI) + __IGNORE(BBIF2) + VPU, + TSIF1, + __IGNORE(SGX540) + _2DDMAC, + IIC2_ALI2, IIC2_TACKI2, IIC2_WAITI2, IIC2_DTEI2, + IPMMU_IPMMUR, IPMMU_IPMMUR2, + RTDMAC1_2_DEI4, RTDMAC1_2_DEI5, RTDMAC1_2_DADERR, + __IGNORE(KEYSC) + __IGNORE(TTI20) + __IGNORE(MSIOF) + IIC0_ALI0, IIC0_TACKI0, IIC0_WAITI0, IIC0_DTEI0, + TMU_TUNI0, TMU_TUNI1, TMU_TUNI2, + CMT0, + TSIF0, + __IGNORE(CMT2) + LMB, + __IGNORE(MSUG) + __IGNORE(MSU_MSU, MSU_MSU2) + __IGNORE(CTI) + MVI3, + __IGNORE(RWDT0) + __IGNORE(RWDT1) + ICB, + PEP, + ASA, + __IGNORE(_2DG) + HQE, + JPU, + LCDC0, + __IGNORE(LCRC) + RTDMAC2_1_DEI0, RTDMAC2_1_DEI1, RTDMAC2_1_DEI2, RTDMAC2_1_DEI3, + RTDMAC2_2_DEI4, RTDMAC2_2_DEI5, RTDMAC2_2_DADERR, + FRC, + LCDC1, + CSIRX, + DSITX_DSITX0, DSITX_DSITX1, + __IGNORE(SPU2_SPU0, SPU2_SPU1) + __IGNORE(FSI) + __IGNORE(FMSI) + __IGNORE(SCUV) + TMU1_TUNI10, TMU1_TUNI11, TMU1_TUNI12, + TSIF2, + CMT4, + __IGNORE(MFIS2) + CPORTS2R, + + /* interrupt groups INTCS */ + RTDMAC1_1, RTDMAC1_2, VEU, BEU, IIC0, __IGNORE(MSU) IPMMU, + IIC2, RTDMAC2_1, RTDMAC2_2, DSITX, __IGNORE(SPU2) TMU1, +}; + +#define INTCS_INTVECT 0x0F80 +static struct intc_vect intcs_vectors[] __initdata = { + INTCS_VECT(VEU_VEU0, 0x0700), INTCS_VECT(VEU_VEU1, 0x0720), + INTCS_VECT(VEU_VEU2, 0x0740), INTCS_VECT(VEU_VEU3, 0x0760), + INTCS_VECT(RTDMAC1_1_DEI0, 0x0800), INTCS_VECT(RTDMAC1_1_DEI1, 0x0820), + INTCS_VECT(RTDMAC1_1_DEI2, 0x0840), INTCS_VECT(RTDMAC1_1_DEI3, 0x0860), + INTCS_VECT(CEU, 0x0880), + INTCS_VECT(BEU_BEU0, 0x08A0), + INTCS_VECT(BEU_BEU1, 0x08C0), + INTCS_VECT(BEU_BEU2, 0x08E0), + __IGNORE(INTCS_VECT(MFI, 0x0900)) + __IGNORE(INTCS_VECT(BBIF2, 0x0960)) + INTCS_VECT(VPU, 0x0980), + INTCS_VECT(TSIF1, 0x09A0), + __IGNORE(INTCS_VECT(SGX540, 0x09E0)) + INTCS_VECT(_2DDMAC, 0x0A00), + INTCS_VECT(IIC2_ALI2, 0x0A80), INTCS_VECT(IIC2_TACKI2, 0x0AA0), + INTCS_VECT(IIC2_WAITI2, 0x0AC0), INTCS_VECT(IIC2_DTEI2, 0x0AE0), + INTCS_VECT(IPMMU_IPMMUR, 0x0B00), INTCS_VECT(IPMMU_IPMMUR2, 0x0B20), + INTCS_VECT(RTDMAC1_2_DEI4, 0x0B80), + INTCS_VECT(RTDMAC1_2_DEI5, 0x0BA0), + INTCS_VECT(RTDMAC1_2_DADERR, 0x0BC0), + __IGNORE(INTCS_VECT(KEYSC 0x0BE0)) + __IGNORE(INTCS_VECT(TTI20, 0x0C80)) + __IGNORE(INTCS_VECT(MSIOF, 0x0D20)) + INTCS_VECT(IIC0_ALI0, 0x0E00), INTCS_VECT(IIC0_TACKI0, 0x0E20), + INTCS_VECT(IIC0_WAITI0, 0x0E40), INTCS_VECT(IIC0_DTEI0, 0x0E60), + INTCS_VECT(TMU_TUNI0, 0x0E80), + INTCS_VECT(TMU_TUNI1, 0x0EA0), + INTCS_VECT(TMU_TUNI2, 0x0EC0), + INTCS_VECT(CMT0, 0x0F00), + INTCS_VECT(TSIF0, 0x0F20), + __IGNORE(INTCS_VECT(CMT2, 0x0F40)) + INTCS_VECT(LMB, 0x0F60), + __IGNORE(INTCS_VECT(MSUG, 0x0F80)) + __IGNORE(INTCS_VECT(MSU_MSU, 0x0FA0)) + __IGNORE(INTCS_VECT(MSU_MSU2, 0x0FC0)) + __IGNORE(INTCS_VECT(CTI, 0x0400)) + INTCS_VECT(MVI3, 0x0420), + __IGNORE(INTCS_VECT(RWDT0, 0x0440)) + __IGNORE(INTCS_VECT(RWDT1, 0x0460)) + INTCS_VECT(ICB, 0x0480), + INTCS_VECT(PEP, 0x04A0), + INTCS_VECT(ASA, 0x04C0), + __IGNORE(INTCS_VECT(_2DG, 0x04E0)) + INTCS_VECT(HQE, 0x0540), + INTCS_VECT(JPU, 0x0560), + INTCS_VECT(LCDC0, 0x0580), + __IGNORE(INTCS_VECT(LCRC, 0x05A0)) + INTCS_VECT(RTDMAC2_1_DEI0, 0x1300), INTCS_VECT(RTDMAC2_1_DEI1, 0x1320), + INTCS_VECT(RTDMAC2_1_DEI2, 0x1340), INTCS_VECT(RTDMAC2_1_DEI3, 0x1360), + INTCS_VECT(RTDMAC2_2_DEI4, 0x1380), INTCS_VECT(RTDMAC2_2_DEI5, 0x13A0), + INTCS_VECT(RTDMAC2_2_DADERR, 0x13C0), + INTCS_VECT(FRC, 0x1700), + INTCS_VECT(LCDC1, 0x1780), + INTCS_VECT(CSIRX, 0x17A0), + INTCS_VECT(DSITX_DSITX0, 0x17C0), INTCS_VECT(DSITX_DSITX1, 0x17E0), + __IGNORE(INTCS_VECT(SPU2_SPU0, 0x1800)) + __IGNORE(INTCS_VECT(SPU2_SPU1, 0x1820)) + __IGNORE(INTCS_VECT(FSI, 0x1840)) + __IGNORE(INTCS_VECT(FMSI, 0x1860)) + __IGNORE(INTCS_VECT(SCUV, 0x1880)) + INTCS_VECT(TMU1_TUNI10, 0x1900), INTCS_VECT(TMU1_TUNI11, 0x1920), + INTCS_VECT(TMU1_TUNI12, 0x1940), + INTCS_VECT(TSIF2, 0x1960), + INTCS_VECT(CMT4, 0x1980), + __IGNORE(INTCS_VECT(MFIS2, 0x1A00)) + INTCS_VECT(CPORTS2R, 0x1A20), + + INTC_VECT(INTCS, INTCS_INTVECT), +}; + +static struct intc_group intcs_groups[] __initdata = { + INTC_GROUP(RTDMAC1_1, + RTDMAC1_1_DEI0, RTDMAC1_1_DEI1, + RTDMAC1_1_DEI2, RTDMAC1_1_DEI3), + INTC_GROUP(RTDMAC1_2, + RTDMAC1_2_DEI4, RTDMAC1_2_DEI5, RTDMAC1_2_DADERR), + INTC_GROUP(VEU, VEU_VEU0, VEU_VEU1, VEU_VEU2, VEU_VEU3), + INTC_GROUP(BEU, BEU_BEU0, BEU_BEU1, BEU_BEU2), + INTC_GROUP(IIC0, IIC0_ALI0, IIC0_TACKI0, IIC0_WAITI0, IIC0_DTEI0), + __IGNORE(INTC_GROUP(MSU, MSU_MSU, MSU_MSU2)) + INTC_GROUP(IPMMU, IPMMU_IPMMUR, IPMMU_IPMMUR2), + INTC_GROUP(IIC2, IIC2_ALI2, IIC2_TACKI2, IIC2_WAITI2, IIC2_DTEI2), + INTC_GROUP(RTDMAC2_1, + RTDMAC2_1_DEI0, RTDMAC2_1_DEI1, + RTDMAC2_1_DEI2, RTDMAC2_1_DEI3), + INTC_GROUP(RTDMAC2_2, RTDMAC2_2_DEI4, RTDMAC2_2_DEI5, RTDMAC2_2_DADERR), + INTC_GROUP(DSITX, DSITX_DSITX0, DSITX_DSITX1), + __IGNORE(INTC_GROUP(SPU2, SPU2_SPU0, SPU2_SPU1)) + INTC_GROUP(TMU1, TMU1_TUNI10, TMU1_TUNI11, TMU1_TUNI12), +}; + +static struct intc_mask_reg intcs_mask_registers[] __initdata = { + { 0xE6940184, 0xE69401C4, 8, /* IMR1AS / IMCR1AS */ + { BEU_BEU2, BEU_BEU1, BEU_BEU0, CEU, + VEU_VEU3, VEU_VEU2, VEU_VEU1, VEU_VEU0 } }, + { 0xE6940188, 0xE69401C8, 8, /* IMR2AS / IMCR2AS */ + { 0, 0, 0, VPU, + __IGNORE0(BBIF2), 0, 0, __IGNORE0(MFI) } }, + { 0xE694018C, 0xE69401CC, 8, /* IMR3AS / IMCR3AS */ + { 0, 0, 0, _2DDMAC, + __IGNORE0(_2DG), ASA, PEP, ICB } }, + { 0xE6940190, 0xE69401D0, 8, /* IMR4AS / IMCR4AS */ + { 0, 0, MVI3, __IGNORE0(CTI), + JPU, HQE, __IGNORE0(LCRC), LCDC0 } }, + { 0xE6940194, 0xE69401D4, 8, /* IMR5AS / IMCR5AS */ + { __IGNORE0(KEYSC), RTDMAC1_2_DADERR, RTDMAC1_2_DEI5, RTDMAC1_2_DEI4, + RTDMAC1_1_DEI3, RTDMAC1_1_DEI2, RTDMAC1_1_DEI1, RTDMAC1_1_DEI0 } }, + __IGNORE({ 0xE6940198, 0xE69401D8, 8, /* IMR6AS / IMCR6AS */ + { 0, 0, MSIOF, 0, + SGX540, 0, TTI20, 0 } }) + { 0xE694019C, 0xE69401DC, 8, /* IMR7AS / IMCR7AS */ + { 0, TMU_TUNI2, TMU_TUNI1, TMU_TUNI0, + 0, 0, 0, 0 } }, + __IGNORE({ 0xE69401A0, 0xE69401E0, 8, /* IMR8AS / IMCR8AS */ + { 0, 0, 0, 0, + 0, MSU_MSU, MSU_MSU2, MSUG } }) + { 0xE69401A4, 0xE69401E4, 8, /* IMR9AS / IMCR9AS */ + { __IGNORE0(RWDT1), __IGNORE0(RWDT0), __IGNORE0(CMT2), CMT0, + IIC2_DTEI2, IIC2_WAITI2, IIC2_TACKI2, IIC2_ALI2 } }, + { 0xE69401A8, 0xE69401E8, 8, /* IMR10AS / IMCR10AS */ + { 0, 0, IPMMU_IPMMUR, IPMMU_IPMMUR2, + 0, 0, 0, 0 } }, + { 0xE69401AC, 0xE69401EC, 8, /* IMR11AS / IMCR11AS */ + { IIC0_DTEI0, IIC0_WAITI0, IIC0_TACKI0, IIC0_ALI0, + 0, TSIF1, LMB, TSIF0 } }, + { 0xE6950180, 0xE69501C0, 8, /* IMR0AS3 / IMCR0AS3 */ + { RTDMAC2_1_DEI0, RTDMAC2_1_DEI1, RTDMAC2_1_DEI2, RTDMAC2_1_DEI3, + RTDMAC2_2_DEI4, RTDMAC2_2_DEI5, RTDMAC2_2_DADERR, 0 } }, + { 0xE6950190, 0xE69501D0, 8, /* IMR4AS3 / IMCR4AS3 */ + { FRC, 0, 0, 0, + LCDC1, CSIRX, DSITX_DSITX0, DSITX_DSITX1 } }, + __IGNORE({ 0xE6950194, 0xE69501D4, 8, /* IMR5AS3 / IMCR5AS3 */ + {SPU2_SPU0, SPU2_SPU1, FSI, FMSI, + SCUV, 0, 0, 0 } }) + { 0xE6950198, 0xE69501D8, 8, /* IMR6AS3 / IMCR6AS3 */ + { TMU1_TUNI10, TMU1_TUNI11, TMU1_TUNI12, TSIF2, + CMT4, 0, 0, 0 } }, + { 0xE695019C, 0xE69501DC, 8, /* IMR7AS3 / IMCR7AS3 */ + { __IGNORE0(MFIS2), CPORTS2R, 0, 0, + 0, 0, 0, 0 } }, + { 0xFFD20104, 0, 16, /* INTAMASK */ + { 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, INTCS } } +}; + +static struct intc_prio_reg intcs_prio_registers[] __initdata = { + /* IPRAS */ + { 0xFFD20000, 0, 16, 4, { __IGNORE0(CTI), MVI3, _2DDMAC, ICB } }, + /* IPRBS */ + { 0xFFD20004, 0, 16, 4, { JPU, LCDC0, 0, __IGNORE0(LCRC) } }, + /* IPRCS */ + __IGNORE({ 0xFFD20008, 0, 16, 4, { BBIF2, 0, 0, 0 } }) + /* IPRES */ + { 0xFFD20010, 0, 16, 4, { RTDMAC1_1, CEU, __IGNORE0(MFI), VPU } }, + /* IPRFS */ + { 0xFFD20014, 0, 16, 4, + { __IGNORE0(KEYSC), RTDMAC1_2, __IGNORE0(CMT2), CMT0 } }, + /* IPRGS */ + { 0xFFD20018, 0, 16, 4, { TMU_TUNI0, TMU_TUNI1, TMU_TUNI2, TSIF1 } }, + /* IPRHS */ + { 0xFFD2001C, 0, 16, 4, { __IGNORE0(TTI20), 0, VEU, BEU } }, + /* IPRIS */ + { 0xFFD20020, 0, 16, 4, { 0, __IGNORE0(MSIOF), TSIF0, IIC0 } }, + /* IPRJS */ + __IGNORE({ 0xFFD20024, 0, 16, 4, { 0, SGX540, MSUG, MSU } }) + /* IPRKS */ + { 0xFFD20028, 0, 16, 4, { __IGNORE0(_2DG), ASA, LMB, PEP } }, + /* IPRLS */ + { 0xFFD2002C, 0, 16, 4, { IPMMU, 0, 0, HQE } }, + /* IPRMS */ + { 0xFFD20030, 0, 16, 4, + { IIC2, 0, __IGNORE0(RWDT1), __IGNORE0(RWDT0) } }, + /* IPRAS3 */ + { 0xFFD50000, 0, 16, 4, { RTDMAC2_1, 0, 0, 0 } }, + /* IPRBS3 */ + { 0xFFD50004, 0, 16, 4, { RTDMAC2_2, 0, 0, 0 } }, + /* IPRIS3 */ + { 0xFFD50020, 0, 16, 4, { FRC, 0, 0, 0 } }, + /* IPRJS3 */ + { 0xFFD50024, 0, 16, 4, { LCDC1, CSIRX, DSITX, 0 } }, + /* IPRKS3 */ + __IGNORE({ 0xFFD50028, 0, 16, 4, { SPU2, 0, FSI, FMSI } }) + /* IPRLS3 */ + __IGNORE({ 0xFFD5002C, 0, 16, 4, { SCUV, 0, 0, 0 } }) + /* IPRMS3 */ + { 0xFFD50030, 0, 16, 4, { TMU1, 0, 0, TSIF2 } }, + /* IPRNS3 */ + { 0xFFD50034, 0, 16, 4, { CMT4, 0, 0, 0 } }, + /* IPROS3 */ + { 0xFFD50038, 0, 16, 4, { __IGNORE0(MFIS2), CPORTS2R, 0, 0 } }, +}; + +static struct resource intcs_resources[] __initdata = { + [0] = { + .start = 0xffd20000, + .end = 0xffd500ff, + .flags = IORESOURCE_MEM, + } +}; + +static struct intc_desc intcs_desc __initdata = { + .name = "sh7377-intcs", + .resource = intcs_resources, + .num_resources = ARRAY_SIZE(intcs_resources), + .hw = INTC_HW_DESC(intcs_vectors, intcs_groups, + intcs_mask_registers, intcs_prio_registers, + NULL, NULL), +}; + +static void intcs_demux(unsigned int irq, struct irq_desc *desc) +{ + void __iomem *reg = (void *)get_irq_data(irq); + unsigned int evtcodeas = ioread32(reg); + + generic_handle_irq(intcs_evt2irq(evtcodeas)); +} + +#define INTEVTSA 0xFFD20100 void __init sh7377_init_irq(void) { + void __iomem *intevtsa = ioremap_nocache(INTEVTSA, PAGE_SIZE); + register_intc_controller(&intca_desc); + register_intc_controller(&intcs_desc); + + /* demux using INTEVTSA */ + set_irq_data(evt2irq(INTCS_INTVECT), (void *)intevtsa); + set_irq_chained_handler(evt2irq(INTCS_INTVECT), intcs_demux); } diff --git a/arch/arm/mach-shmobile/setup-sh7367.c b/arch/arm/mach-shmobile/setup-sh7367.c index eca90716140e..3148c11a550e 100644 --- a/arch/arm/mach-shmobile/setup-sh7367.c +++ b/arch/arm/mach-shmobile/setup-sh7367.c @@ -31,11 +31,13 @@ #include <asm/mach-types.h> #include <asm/mach/arch.h> +/* SCIFA0 */ static struct plat_sci_port scif0_platform_data = { .mapbase = 0xe6c40000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIF, - .irqs = { 80, 80, 80, 80 }, + .irqs = { evt2irq(0xc00), evt2irq(0xc00), + evt2irq(0xc00), evt2irq(0xc00) }, }; static struct platform_device scif0_device = { @@ -46,11 +48,13 @@ static struct platform_device scif0_device = { }, }; +/* SCIFA1 */ static struct plat_sci_port scif1_platform_data = { .mapbase = 0xe6c50000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIF, - .irqs = { 81, 81, 81, 81 }, + .irqs = { evt2irq(0xc20), evt2irq(0xc20), + evt2irq(0xc20), evt2irq(0xc20) }, }; static struct platform_device scif1_device = { @@ -61,11 +65,13 @@ static struct platform_device scif1_device = { }, }; +/* SCIFA2 */ static struct plat_sci_port scif2_platform_data = { .mapbase = 0xe6c60000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIF, - .irqs = { 82, 82, 82, 82 }, + .irqs = { evt2irq(0xc40), evt2irq(0xc40), + evt2irq(0xc40), evt2irq(0xc40) }, }; static struct platform_device scif2_device = { @@ -76,11 +82,13 @@ static struct platform_device scif2_device = { }, }; +/* SCIFA3 */ static struct plat_sci_port scif3_platform_data = { .mapbase = 0xe6c70000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIF, - .irqs = { 83, 83, 83, 83 }, + .irqs = { evt2irq(0xc60), evt2irq(0xc60), + evt2irq(0xc60), evt2irq(0xc60) }, }; static struct platform_device scif3_device = { @@ -91,11 +99,13 @@ static struct platform_device scif3_device = { }, }; +/* SCIFA4 */ static struct plat_sci_port scif4_platform_data = { .mapbase = 0xe6c80000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIF, - .irqs = { 89, 89, 89, 89 }, + .irqs = { evt2irq(0xd20), evt2irq(0xd20), + evt2irq(0xd20), evt2irq(0xd20) }, }; static struct platform_device scif4_device = { @@ -106,11 +116,13 @@ static struct platform_device scif4_device = { }, }; +/* SCIFA5 */ static struct plat_sci_port scif5_platform_data = { .mapbase = 0xe6cb0000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIF, - .irqs = { 90, 90, 90, 90 }, + .irqs = { evt2irq(0xd40), evt2irq(0xd40), + evt2irq(0xd40), evt2irq(0xd40) }, }; static struct platform_device scif5_device = { @@ -121,11 +133,13 @@ static struct platform_device scif5_device = { }, }; +/* SCIFB */ static struct plat_sci_port scif6_platform_data = { .mapbase = 0xe6c30000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIF, - .irqs = { 91, 91, 91, 91 }, + .irqs = { evt2irq(0xd60), evt2irq(0xd60), + evt2irq(0xd60), evt2irq(0xd60) }, }; static struct platform_device scif6_device = { @@ -153,7 +167,7 @@ static struct resource cmt10_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = 72, + .start = evt2irq(0xb00), /* CMT1_CMT10 */ .flags = IORESOURCE_IRQ, }, }; diff --git a/arch/arm/mach-shmobile/setup-sh7372.c b/arch/arm/mach-shmobile/setup-sh7372.c index 1d1153290f59..e26686c9d0b6 100644 --- a/arch/arm/mach-shmobile/setup-sh7372.c +++ b/arch/arm/mach-shmobile/setup-sh7372.c @@ -26,17 +26,21 @@ #include <linux/input.h> #include <linux/io.h> #include <linux/serial_sci.h> +#include <linux/sh_dma.h> #include <linux/sh_intc.h> #include <linux/sh_timer.h> #include <mach/hardware.h> +#include <mach/sh7372.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> +/* SCIFA0 */ static struct plat_sci_port scif0_platform_data = { .mapbase = 0xe6c40000, .flags = UPF_BOOT_AUTOCONF, - .type = PORT_SCIF, - .irqs = { 80, 80, 80, 80 }, + .type = PORT_SCIFA, + .irqs = { evt2irq(0x0c00), evt2irq(0x0c00), + evt2irq(0x0c00), evt2irq(0x0c00) }, }; static struct platform_device scif0_device = { @@ -47,11 +51,13 @@ static struct platform_device scif0_device = { }, }; +/* SCIFA1 */ static struct plat_sci_port scif1_platform_data = { .mapbase = 0xe6c50000, .flags = UPF_BOOT_AUTOCONF, - .type = PORT_SCIF, - .irqs = { 81, 81, 81, 81 }, + .type = PORT_SCIFA, + .irqs = { evt2irq(0x0c20), evt2irq(0x0c20), + evt2irq(0x0c20), evt2irq(0x0c20) }, }; static struct platform_device scif1_device = { @@ -62,11 +68,13 @@ static struct platform_device scif1_device = { }, }; +/* SCIFA2 */ static struct plat_sci_port scif2_platform_data = { .mapbase = 0xe6c60000, .flags = UPF_BOOT_AUTOCONF, - .type = PORT_SCIF, - .irqs = { 82, 82, 82, 82 }, + .type = PORT_SCIFA, + .irqs = { evt2irq(0x0c40), evt2irq(0x0c40), + evt2irq(0x0c40), evt2irq(0x0c40) }, }; static struct platform_device scif2_device = { @@ -77,11 +85,13 @@ static struct platform_device scif2_device = { }, }; +/* SCIFA3 */ static struct plat_sci_port scif3_platform_data = { .mapbase = 0xe6c70000, .flags = UPF_BOOT_AUTOCONF, - .type = PORT_SCIF, - .irqs = { 83, 83, 83, 83 }, + .type = PORT_SCIFA, + .irqs = { evt2irq(0x0c60), evt2irq(0x0c60), + evt2irq(0x0c60), evt2irq(0x0c60) }, }; static struct platform_device scif3_device = { @@ -92,11 +102,13 @@ static struct platform_device scif3_device = { }, }; +/* SCIFA4 */ static struct plat_sci_port scif4_platform_data = { .mapbase = 0xe6c80000, .flags = UPF_BOOT_AUTOCONF, - .type = PORT_SCIF, - .irqs = { 89, 89, 89, 89 }, + .type = PORT_SCIFA, + .irqs = { evt2irq(0x0d20), evt2irq(0x0d20), + evt2irq(0x0d20), evt2irq(0x0d20) }, }; static struct platform_device scif4_device = { @@ -107,11 +119,13 @@ static struct platform_device scif4_device = { }, }; +/* SCIFA5 */ static struct plat_sci_port scif5_platform_data = { .mapbase = 0xe6cb0000, .flags = UPF_BOOT_AUTOCONF, - .type = PORT_SCIF, - .irqs = { 90, 90, 90, 90 }, + .type = PORT_SCIFA, + .irqs = { evt2irq(0x0d40), evt2irq(0x0d40), + evt2irq(0x0d40), evt2irq(0x0d40) }, }; static struct platform_device scif5_device = { @@ -122,11 +136,13 @@ static struct platform_device scif5_device = { }, }; +/* SCIFB */ static struct plat_sci_port scif6_platform_data = { .mapbase = 0xe6c30000, .flags = UPF_BOOT_AUTOCONF, - .type = PORT_SCIF, - .irqs = { 91, 91, 91, 91 }, + .type = PORT_SCIFB, + .irqs = { evt2irq(0x0d60), evt2irq(0x0d60), + evt2irq(0x0d60), evt2irq(0x0d60) }, }; static struct platform_device scif6_device = { @@ -137,11 +153,12 @@ static struct platform_device scif6_device = { }, }; +/* CMT */ static struct sh_timer_config cmt10_platform_data = { .name = "CMT10", .channel_offset = 0x10, .timer_bit = 0, - .clk = "r_clk", + .clk = "cmt1", .clockevent_rating = 125, .clocksource_rating = 125, }; @@ -154,7 +171,7 @@ static struct resource cmt10_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = 72, + .start = evt2irq(0x0b00), /* CMT1_CMT10 */ .flags = IORESOURCE_IRQ, }, }; @@ -169,6 +186,337 @@ static struct platform_device cmt10_device = { .num_resources = ARRAY_SIZE(cmt10_resources), }; +/* I2C */ +static struct resource iic0_resources[] = { + [0] = { + .name = "IIC0", + .start = 0xFFF20000, + .end = 0xFFF20425 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = intcs_evt2irq(0xe00), /* IIC0_ALI0 */ + .end = intcs_evt2irq(0xe60), /* IIC0_DTEI0 */ + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device iic0_device = { + .name = "i2c-sh_mobile", + .id = 0, /* "i2c0" clock */ + .num_resources = ARRAY_SIZE(iic0_resources), + .resource = iic0_resources, +}; + +static struct resource iic1_resources[] = { + [0] = { + .name = "IIC1", + .start = 0xE6C20000, + .end = 0xE6C20425 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = evt2irq(0x780), /* IIC1_ALI1 */ + .end = evt2irq(0x7e0), /* IIC1_DTEI1 */ + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device iic1_device = { + .name = "i2c-sh_mobile", + .id = 1, /* "i2c1" clock */ + .num_resources = ARRAY_SIZE(iic1_resources), + .resource = iic1_resources, +}; + +/* DMA */ +/* Transmit sizes and respective CHCR register values */ +enum { + XMIT_SZ_8BIT = 0, + XMIT_SZ_16BIT = 1, + XMIT_SZ_32BIT = 2, + XMIT_SZ_64BIT = 7, + XMIT_SZ_128BIT = 3, + XMIT_SZ_256BIT = 4, + XMIT_SZ_512BIT = 5, +}; + +/* log2(size / 8) - used to calculate number of transfers */ +#define TS_SHIFT { \ + [XMIT_SZ_8BIT] = 0, \ + [XMIT_SZ_16BIT] = 1, \ + [XMIT_SZ_32BIT] = 2, \ + [XMIT_SZ_64BIT] = 3, \ + [XMIT_SZ_128BIT] = 4, \ + [XMIT_SZ_256BIT] = 5, \ + [XMIT_SZ_512BIT] = 6, \ +} + +#define TS_INDEX2VAL(i) ((((i) & 3) << 3) | \ + (((i) & 0xc) << (20 - 2))) + +static const struct sh_dmae_slave_config sh7372_dmae_slaves[] = { + { + .slave_id = SHDMA_SLAVE_SCIF0_TX, + .addr = 0xe6c40020, + .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x21, + }, { + .slave_id = SHDMA_SLAVE_SCIF0_RX, + .addr = 0xe6c40024, + .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x22, + }, { + .slave_id = SHDMA_SLAVE_SCIF1_TX, + .addr = 0xe6c50020, + .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x25, + }, { + .slave_id = SHDMA_SLAVE_SCIF1_RX, + .addr = 0xe6c50024, + .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x26, + }, { + .slave_id = SHDMA_SLAVE_SCIF2_TX, + .addr = 0xe6c60020, + .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x29, + }, { + .slave_id = SHDMA_SLAVE_SCIF2_RX, + .addr = 0xe6c60024, + .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x2a, + }, { + .slave_id = SHDMA_SLAVE_SCIF3_TX, + .addr = 0xe6c70020, + .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x2d, + }, { + .slave_id = SHDMA_SLAVE_SCIF3_RX, + .addr = 0xe6c70024, + .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x2e, + }, { + .slave_id = SHDMA_SLAVE_SCIF4_TX, + .addr = 0xe6c80020, + .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x39, + }, { + .slave_id = SHDMA_SLAVE_SCIF4_RX, + .addr = 0xe6c80024, + .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x3a, + }, { + .slave_id = SHDMA_SLAVE_SCIF5_TX, + .addr = 0xe6cb0020, + .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x35, + }, { + .slave_id = SHDMA_SLAVE_SCIF5_RX, + .addr = 0xe6cb0024, + .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x36, + }, { + .slave_id = SHDMA_SLAVE_SCIF6_TX, + .addr = 0xe6c30040, + .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x3d, + }, { + .slave_id = SHDMA_SLAVE_SCIF6_RX, + .addr = 0xe6c30060, + .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x3e, + }, { + .slave_id = SHDMA_SLAVE_SDHI0_TX, + .addr = 0xe6850030, + .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), + .mid_rid = 0xc1, + }, { + .slave_id = SHDMA_SLAVE_SDHI0_RX, + .addr = 0xe6850030, + .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), + .mid_rid = 0xc2, + }, { + .slave_id = SHDMA_SLAVE_SDHI1_TX, + .addr = 0xe6860030, + .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), + .mid_rid = 0xc9, + }, { + .slave_id = SHDMA_SLAVE_SDHI1_RX, + .addr = 0xe6860030, + .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), + .mid_rid = 0xca, + }, { + .slave_id = SHDMA_SLAVE_SDHI2_TX, + .addr = 0xe6870030, + .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), + .mid_rid = 0xcd, + }, { + .slave_id = SHDMA_SLAVE_SDHI2_RX, + .addr = 0xe6870030, + .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), + .mid_rid = 0xce, + }, +}; + +static const struct sh_dmae_channel sh7372_dmae_channels[] = { + { + .offset = 0, + .dmars = 0, + .dmars_bit = 0, + }, { + .offset = 0x10, + .dmars = 0, + .dmars_bit = 8, + }, { + .offset = 0x20, + .dmars = 4, + .dmars_bit = 0, + }, { + .offset = 0x30, + .dmars = 4, + .dmars_bit = 8, + }, { + .offset = 0x50, + .dmars = 8, + .dmars_bit = 0, + }, { + .offset = 0x60, + .dmars = 8, + .dmars_bit = 8, + } +}; + +static const unsigned int ts_shift[] = TS_SHIFT; + +static struct sh_dmae_pdata dma_platform_data = { + .slave = sh7372_dmae_slaves, + .slave_num = ARRAY_SIZE(sh7372_dmae_slaves), + .channel = sh7372_dmae_channels, + .channel_num = ARRAY_SIZE(sh7372_dmae_channels), + .ts_low_shift = 3, + .ts_low_mask = 0x18, + .ts_high_shift = (20 - 2), /* 2 bits for shifted low TS */ + .ts_high_mask = 0x00300000, + .ts_shift = ts_shift, + .ts_shift_num = ARRAY_SIZE(ts_shift), + .dmaor_init = DMAOR_DME, +}; + +/* Resource order important! */ +static struct resource sh7372_dmae0_resources[] = { + { + /* Channel registers and DMAOR */ + .start = 0xfe008020, + .end = 0xfe00808f, + .flags = IORESOURCE_MEM, + }, + { + /* DMARSx */ + .start = 0xfe009000, + .end = 0xfe00900b, + .flags = IORESOURCE_MEM, + }, + { + /* DMA error IRQ */ + .start = 246, + .end = 246, + .flags = IORESOURCE_IRQ, + }, + { + /* IRQ for channels 0-5 */ + .start = 240, + .end = 245, + .flags = IORESOURCE_IRQ, + }, +}; + +/* Resource order important! */ +static struct resource sh7372_dmae1_resources[] = { + { + /* Channel registers and DMAOR */ + .start = 0xfe018020, + .end = 0xfe01808f, + .flags = IORESOURCE_MEM, + }, + { + /* DMARSx */ + .start = 0xfe019000, + .end = 0xfe01900b, + .flags = IORESOURCE_MEM, + }, + { + /* DMA error IRQ */ + .start = 254, + .end = 254, + .flags = IORESOURCE_IRQ, + }, + { + /* IRQ for channels 0-5 */ + .start = 248, + .end = 253, + .flags = IORESOURCE_IRQ, + }, +}; + +/* Resource order important! */ +static struct resource sh7372_dmae2_resources[] = { + { + /* Channel registers and DMAOR */ + .start = 0xfe028020, + .end = 0xfe02808f, + .flags = IORESOURCE_MEM, + }, + { + /* DMARSx */ + .start = 0xfe029000, + .end = 0xfe02900b, + .flags = IORESOURCE_MEM, + }, + { + /* DMA error IRQ */ + .start = 262, + .end = 262, + .flags = IORESOURCE_IRQ, + }, + { + /* IRQ for channels 0-5 */ + .start = 256, + .end = 261, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device dma0_device = { + .name = "sh-dma-engine", + .id = 0, + .resource = sh7372_dmae0_resources, + .num_resources = ARRAY_SIZE(sh7372_dmae0_resources), + .dev = { + .platform_data = &dma_platform_data, + }, +}; + +static struct platform_device dma1_device = { + .name = "sh-dma-engine", + .id = 1, + .resource = sh7372_dmae1_resources, + .num_resources = ARRAY_SIZE(sh7372_dmae1_resources), + .dev = { + .platform_data = &dma_platform_data, + }, +}; + +static struct platform_device dma2_device = { + .name = "sh-dma-engine", + .id = 2, + .resource = sh7372_dmae2_resources, + .num_resources = ARRAY_SIZE(sh7372_dmae2_resources), + .dev = { + .platform_data = &dma_platform_data, + }, +}; + static struct platform_device *sh7372_early_devices[] __initdata = { &scif0_device, &scif1_device, @@ -178,6 +526,11 @@ static struct platform_device *sh7372_early_devices[] __initdata = { &scif5_device, &scif6_device, &cmt10_device, + &iic0_device, + &iic1_device, + &dma0_device, + &dma1_device, + &dma2_device, }; void __init sh7372_add_standard_devices(void) @@ -186,14 +539,8 @@ void __init sh7372_add_standard_devices(void) ARRAY_SIZE(sh7372_early_devices)); } -#define SMSTPCR3 0xe615013c -#define SMSTPCR3_CMT1 (1 << 29) - void __init sh7372_add_early_devices(void) { - /* enable clock to CMT1 */ - __raw_writel(__raw_readl(SMSTPCR3) & ~SMSTPCR3_CMT1, SMSTPCR3); - early_platform_add_devices(sh7372_early_devices, ARRAY_SIZE(sh7372_early_devices)); } diff --git a/arch/arm/mach-shmobile/setup-sh7377.c b/arch/arm/mach-shmobile/setup-sh7377.c index 60e37774c35c..bb4adf17dbf4 100644 --- a/arch/arm/mach-shmobile/setup-sh7377.c +++ b/arch/arm/mach-shmobile/setup-sh7377.c @@ -32,11 +32,13 @@ #include <asm/mach-types.h> #include <asm/mach/arch.h> +/* SCIFA0 */ static struct plat_sci_port scif0_platform_data = { .mapbase = 0xe6c40000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIF, - .irqs = { 80, 80, 80, 80 }, + .irqs = { evt2irq(0xc00), evt2irq(0xc00), + evt2irq(0xc00), evt2irq(0xc00) }, }; static struct platform_device scif0_device = { @@ -47,11 +49,13 @@ static struct platform_device scif0_device = { }, }; +/* SCIFA1 */ static struct plat_sci_port scif1_platform_data = { .mapbase = 0xe6c50000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIF, - .irqs = { 81, 81, 81, 81 }, + .irqs = { evt2irq(0xc20), evt2irq(0xc20), + evt2irq(0xc20), evt2irq(0xc20) }, }; static struct platform_device scif1_device = { @@ -62,11 +66,13 @@ static struct platform_device scif1_device = { }, }; +/* SCIFA2 */ static struct plat_sci_port scif2_platform_data = { .mapbase = 0xe6c60000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIF, - .irqs = { 82, 82, 82, 82 }, + .irqs = { evt2irq(0xc40), evt2irq(0xc40), + evt2irq(0xc40), evt2irq(0xc40) }, }; static struct platform_device scif2_device = { @@ -77,11 +83,13 @@ static struct platform_device scif2_device = { }, }; +/* SCIFA3 */ static struct plat_sci_port scif3_platform_data = { .mapbase = 0xe6c70000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIF, - .irqs = { 83, 83, 83, 83 }, + .irqs = { evt2irq(0xc60), evt2irq(0xc60), + evt2irq(0xc60), evt2irq(0xc60) }, }; static struct platform_device scif3_device = { @@ -92,11 +100,13 @@ static struct platform_device scif3_device = { }, }; +/* SCIFA4 */ static struct plat_sci_port scif4_platform_data = { .mapbase = 0xe6c80000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIF, - .irqs = { 89, 89, 89, 89 }, + .irqs = { evt2irq(0xd20), evt2irq(0xd20), + evt2irq(0xd20), evt2irq(0xd20) }, }; static struct platform_device scif4_device = { @@ -107,11 +117,13 @@ static struct platform_device scif4_device = { }, }; +/* SCIFA5 */ static struct plat_sci_port scif5_platform_data = { .mapbase = 0xe6cb0000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIF, - .irqs = { 90, 90, 90, 90 }, + .irqs = { evt2irq(0xd40), evt2irq(0xd40), + evt2irq(0xd40), evt2irq(0xd40) }, }; static struct platform_device scif5_device = { @@ -122,11 +134,13 @@ static struct platform_device scif5_device = { }, }; +/* SCIFA6 */ static struct plat_sci_port scif6_platform_data = { .mapbase = 0xe6cc0000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIF, - .irqs = { 196, 196, 196, 196 }, + .irqs = { intcs_evt2irq(0x1a80), intcs_evt2irq(0x1a80), + intcs_evt2irq(0x1a80), intcs_evt2irq(0x1a80) }, }; static struct platform_device scif6_device = { @@ -137,11 +151,13 @@ static struct platform_device scif6_device = { }, }; +/* SCIFB */ static struct plat_sci_port scif7_platform_data = { .mapbase = 0xe6c30000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIF, - .irqs = { 91, 91, 91, 91 }, + .irqs = { evt2irq(0xd60), evt2irq(0xd60), + evt2irq(0xd60), evt2irq(0xd60) }, }; static struct platform_device scif7_device = { @@ -169,7 +185,7 @@ static struct resource cmt10_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = 72, + .start = evt2irq(0xb00), /* CMT1_CMT10 */ .flags = IORESOURCE_IRQ, }, }; diff --git a/arch/arm/mach-u300/i2c.c b/arch/arm/mach-u300/i2c.c index c73ed06b6065..f0394baa11fa 100644 --- a/arch/arm/mach-u300/i2c.c +++ b/arch/arm/mach-u300/i2c.c @@ -9,7 +9,7 @@ */ #include <linux/kernel.h> #include <linux/i2c.h> -#include <linux/mfd/ab3100.h> +#include <linux/mfd/abx500.h> #include <linux/regulator/machine.h> #include <linux/amba/bus.h> #include <mach/irqs.h> @@ -46,6 +46,7 @@ /* BUCK SLEEP 0xAC: 1.05V, Not used, SLEEP_A and B, Not used */ #define BUCK_SLEEP_SETTING 0xAC +#ifdef CONFIG_AB3100_CORE static struct regulator_consumer_supply supply_ldo_c[] = { { .dev_name = "ab3100-codec", @@ -253,14 +254,68 @@ static struct ab3100_platform_data ab3100_plf_data = { LDO_D_SETTING, }, }; +#endif + +#ifdef CONFIG_AB3550_CORE +static struct abx500_init_settings ab3550_init_settings[] = { + { + .bank = 0, + .reg = AB3550_IMR1, + .setting = 0xff + }, + { + .bank = 0, + .reg = AB3550_IMR2, + .setting = 0xff + }, + { + .bank = 0, + .reg = AB3550_IMR3, + .setting = 0xff + }, + { + .bank = 0, + .reg = AB3550_IMR4, + .setting = 0xff + }, + { + .bank = 0, + .reg = AB3550_IMR5, + /* The two most significant bits are not used */ + .setting = 0x3f + }, +}; + +static struct ab3550_platform_data ab3550_plf_data = { + .irq = { + .base = IRQ_AB3550_BASE, + .count = (IRQ_AB3550_END - IRQ_AB3550_BASE + 1), + }, + .dev_data = { + }, + .init_settings = ab3550_init_settings, + .init_settings_sz = ARRAY_SIZE(ab3550_init_settings), +}; +#endif static struct i2c_board_info __initdata bus0_i2c_board_info[] = { +#if defined(CONFIG_AB3550_CORE) + { + .type = "ab3550", + .addr = 0x4A, + .irq = IRQ_U300_IRQ0_EXT, + .platform_data = &ab3550_plf_data, + }, +#elif defined(CONFIG_AB3100_CORE) { .type = "ab3100", .addr = 0x48, .irq = IRQ_U300_IRQ0_EXT, .platform_data = &ab3100_plf_data, }, +#else + { }, +#endif }; static struct i2c_board_info __initdata bus1_i2c_board_info[] = { diff --git a/arch/arm/mach-u300/include/mach/irqs.h b/arch/arm/mach-u300/include/mach/irqs.h index a6867b12773e..09b1b28fa8fd 100644 --- a/arch/arm/mach-u300/include/mach/irqs.h +++ b/arch/arm/mach-u300/include/mach/irqs.h @@ -109,6 +109,13 @@ #define U300_NR_IRQS 48 #endif +#ifdef CONFIG_AB3550_CORE +#define IRQ_AB3550_BASE (U300_NR_IRQS) +#define IRQ_AB3550_END (IRQ_AB3550_BASE + 37) + +#define NR_IRQS (IRQ_AB3550_END + 1) +#else #define NR_IRQS U300_NR_IRQS +#endif #endif diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c index 072196c57263..bb8d7b771817 100644 --- a/arch/arm/mach-ux500/board-mop500.c +++ b/arch/arm/mach-ux500/board-mop500.c @@ -50,7 +50,7 @@ struct pl022_config_chip ab4500_chip_info = { static struct spi_board_info u8500_spi_devices[] = { { - .modalias = "ab4500", + .modalias = "ab8500", .controller_data = &ab4500_chip_info, .max_speed_hz = 12000000, .bus_num = 0, diff --git a/arch/arm/mach-ux500/clock.c b/arch/arm/mach-ux500/clock.c index 1b2c9890e8b4..fe84b9021c7a 100644 --- a/arch/arm/mach-ux500/clock.c +++ b/arch/arm/mach-ux500/clock.c @@ -16,6 +16,7 @@ #include <asm/clkdev.h> +#include <plat/mtu.h> #include <mach/hardware.h> #include "clock.h" @@ -59,6 +60,9 @@ #define PRCM_DMACLK_MGT 0x074 #define PRCM_B2R2CLK_MGT 0x078 #define PRCM_TVCLK_MGT 0x07C +#define PRCM_TCR 0x1C8 +#define PRCM_TCR_STOPPED (1 << 16) +#define PRCM_TCR_DOZE_MODE (1 << 17) #define PRCM_UNIPROCLK_MGT 0x278 #define PRCM_SSPCLK_MGT 0x280 #define PRCM_RNGCLK_MGT 0x284 @@ -120,10 +124,95 @@ void clk_disable(struct clk *clk) } EXPORT_SYMBOL(clk_disable); +/* + * The MTU has a separate, rather complex muxing setup + * with alternative parents (peripheral cluster or + * ULP or fixed 32768 Hz) depending on settings + */ +static unsigned long clk_mtu_get_rate(struct clk *clk) +{ + void __iomem *addr = __io_address(U8500_PRCMU_BASE) + + PRCM_TCR; + u32 tcr = readl(addr); + int mtu = (int) clk->data; + /* + * One of these is selected eventually + * TODO: Replace the constant with a reference + * to the ULP source once this is modeled. + */ + unsigned long clk32k = 32768; + unsigned long mturate; + unsigned long retclk; + + /* Get the rate from the parent as a default */ + if (clk->parent_periph) + mturate = clk_get_rate(clk->parent_periph); + else if (clk->parent_cluster) + mturate = clk_get_rate(clk->parent_cluster); + else + /* We need to be connected SOMEWHERE */ + BUG(); + + /* + * Are we in doze mode? + * In this mode the parent peripheral or the fixed 32768 Hz + * clock is fed into the block. + */ + if (!(tcr & PRCM_TCR_DOZE_MODE)) { + /* + * Here we're using the clock input from the APE ULP + * clock domain. But first: are the timers stopped? + */ + if (tcr & PRCM_TCR_STOPPED) { + clk32k = 0; + mturate = 0; + } else { + /* Else default mode: 0 and 2.4 MHz */ + clk32k = 0; + if (cpu_is_u5500()) + /* DB5500 divides by 8 */ + mturate /= 8; + else if (cpu_is_u8500ed()) { + /* + * This clocking setting must not be used + * in the ED chip, it is simply not + * connected anywhere! + */ + mturate = 0; + BUG(); + } else + /* + * In this mode the ulp38m4 clock is divided + * by a factor 16, on the DB8500 typically + * 38400000 / 16 ~ 2.4 MHz. + * TODO: Replace the constant with a reference + * to the ULP source once this is modeled. + */ + mturate = 38400000 / 16; + } + } + + /* Return the clock selected for this MTU */ + if (tcr & (1 << mtu)) + retclk = clk32k; + else + retclk = mturate; + + pr_info("MTU%d clock rate: %lu Hz\n", mtu, retclk); + return retclk; +} + unsigned long clk_get_rate(struct clk *clk) { unsigned long rate; + /* + * If there is a custom getrate callback for this clock, + * it will take precedence. + */ + if (clk->get_rate) + return clk->get_rate(clk); + if (clk->ops && clk->ops->get_rate) return clk->ops->get_rate(clk); @@ -341,8 +430,9 @@ static DEFINE_PRCC_CLK(5, usb_v1, 0, 0, NULL); /* Peripheral Cluster #6 */ -static DEFINE_PRCC_CLK(6, mtu1_v1, 8, -1, NULL); -static DEFINE_PRCC_CLK(6, mtu0_v1, 7, -1, NULL); +/* MTU ID in data */ +static DEFINE_PRCC_CLK_CUSTOM(6, mtu1_v1, 8, -1, NULL, clk_mtu_get_rate, 1); +static DEFINE_PRCC_CLK_CUSTOM(6, mtu0_v1, 7, -1, NULL, clk_mtu_get_rate, 0); static DEFINE_PRCC_CLK(6, cfgreg_v1, 6, 6, NULL); static DEFINE_PRCC_CLK(6, dmc_ed, 6, 6, NULL); static DEFINE_PRCC_CLK(6, hash1, 5, -1, NULL); @@ -357,8 +447,9 @@ static DEFINE_PRCC_CLK(6, rng_v1, 0, 0, &clk_rngclk); /* Peripheral Cluster #7 */ static DEFINE_PRCC_CLK(7, tzpc0_ed, 4, -1, NULL); -static DEFINE_PRCC_CLK(7, mtu1_ed, 3, -1, NULL); -static DEFINE_PRCC_CLK(7, mtu0_ed, 2, -1, NULL); +/* MTU ID in data */ +static DEFINE_PRCC_CLK_CUSTOM(7, mtu1_ed, 3, -1, NULL, clk_mtu_get_rate, 1); +static DEFINE_PRCC_CLK_CUSTOM(7, mtu0_ed, 2, -1, NULL, clk_mtu_get_rate, 0); static DEFINE_PRCC_CLK(7, wdg_ed, 1, -1, NULL); static DEFINE_PRCC_CLK(7, cfgreg_ed, 0, -1, NULL); @@ -411,7 +502,7 @@ static struct clk_lookup u8500_common_clks[] = { CLK(apetraceclk, "apetrace", NULL), CLK(mcdeclk, "mcde", NULL), CLK(ipi2clk, "ipi2", NULL), - CLK(dmaclk, "dma40", NULL), + CLK(dmaclk, "dma40.0", NULL), CLK(b2r2clk, "b2r2", NULL), CLK(tvclk, "tv", NULL), }; @@ -503,15 +594,17 @@ static struct clk_lookup u8500_v1_clks[] = { CLK(uiccclk, "uicc", NULL), }; -static int __init clk_init(void) +int __init clk_init(void) { if (cpu_is_u8500ed()) { clk_prcmu_ops.enable = clk_prcmu_ed_enable; clk_prcmu_ops.disable = clk_prcmu_ed_disable; + clk_per6clk.rate = 100000000; } else if (cpu_is_u5500()) { /* Clock tree for U5500 not implemented yet */ clk_prcc_ops.enable = clk_prcc_ops.disable = NULL; clk_prcmu_ops.enable = clk_prcmu_ops.disable = NULL; + clk_per6clk.rate = 26000000; } clkdev_add_table(u8500_common_clks, ARRAY_SIZE(u8500_common_clks)); @@ -522,4 +615,3 @@ static int __init clk_init(void) return 0; } -arch_initcall(clk_init); diff --git a/arch/arm/mach-ux500/clock.h b/arch/arm/mach-ux500/clock.h index e4f99b65026f..a05802501527 100644 --- a/arch/arm/mach-ux500/clock.h +++ b/arch/arm/mach-ux500/clock.h @@ -28,6 +28,9 @@ struct clkops { * @ops: pointer to clkops struct used to control this clock * @name: name, for debugging * @enabled: refcount. positive if enabled, zero if disabled + * @get_rate: custom callback for getting the clock rate + * @data: custom per-clock data for example for the get_rate + * callback * @rate: fixed rate for clocks which don't implement * ops->getrate * @prcmu_cg_off: address offset of the combined enable/disable register @@ -67,6 +70,8 @@ struct clk { const struct clkops *ops; const char *name; unsigned int enabled; + unsigned long (*get_rate)(struct clk *); + void *data; unsigned long rate; struct list_head list; @@ -117,9 +122,26 @@ struct clk clk_##_name = { \ .parent_periph = _kernclk \ } +#define DEFINE_PRCC_CLK_CUSTOM(_pclust, _name, _bus_en, _kernel_en, _kernclk, _callback, _data) \ +struct clk clk_##_name = { \ + .name = #_name, \ + .ops = &clk_prcc_ops, \ + .cluster = _pclust, \ + .prcc_bus = _bus_en, \ + .prcc_kernel = _kernel_en, \ + .parent_cluster = &clk_per##_pclust##clk, \ + .parent_periph = _kernclk, \ + .get_rate = _callback, \ + .data = (void *) _data \ + } + + #define CLK(_clk, _devname, _conname) \ { \ .clk = &clk_##_clk, \ .dev_id = _devname, \ .con_id = _conname, \ } + +int __init clk_db8500_ed_fixup(void); +int __init clk_init(void); diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c index d04299f3b6b5..f21c444edd99 100644 --- a/arch/arm/mach-ux500/cpu-db8500.c +++ b/arch/arm/mach-ux500/cpu-db8500.c @@ -32,6 +32,7 @@ static struct platform_device *platform_devs[] __initdata = { &u8500_gpio_devs[6], &u8500_gpio_devs[7], &u8500_gpio_devs[8], + &u8500_dma40_device, }; /* minimum static i/o mapping required to boot U8500 platforms */ @@ -71,6 +72,9 @@ void __init u8500_init_devices(void) { ux500_init_devices(); + if (cpu_is_u8500ed()) + dma40_u8500ed_fixup(); + /* Register the platform devices */ platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs)); diff --git a/arch/arm/mach-ux500/cpu.c b/arch/arm/mach-ux500/cpu.c index d81ad023963c..e0fd747e447a 100644 --- a/arch/arm/mach-ux500/cpu.c +++ b/arch/arm/mach-ux500/cpu.c @@ -62,6 +62,12 @@ void __init ux500_init_irq(void) { gic_dist_init(0, __io_address(UX500_GIC_DIST_BASE), 29); gic_cpu_init(0, __io_address(UX500_GIC_CPU_BASE)); + + /* + * Init clocks here so that they are available for system timer + * initialization. + */ + clk_init(); } #ifdef CONFIG_CACHE_L2X0 diff --git a/arch/arm/mach-ux500/devices-db8500.c b/arch/arm/mach-ux500/devices-db8500.c index 20334236afce..822903421943 100644 --- a/arch/arm/mach-ux500/devices-db8500.c +++ b/arch/arm/mach-ux500/devices-db8500.c @@ -12,9 +12,13 @@ #include <linux/gpio.h> #include <linux/amba/bus.h> +#include <plat/ste_dma40.h> + #include <mach/hardware.h> #include <mach/setup.h> +#include "ste-dma40-db8500.h" + static struct nmk_gpio_platform_data u8500_gpio_data[] = { GPIO_DATA("GPIO-0-31", 0), GPIO_DATA("GPIO-32-63", 32), /* 37..63 not routed to pin */ @@ -105,3 +109,108 @@ struct platform_device u8500_i2c4_device = { .resource = u8500_i2c4_resources, .num_resources = ARRAY_SIZE(u8500_i2c4_resources), }; + +static struct resource dma40_resources[] = { + [0] = { + .start = U8500_DMA_BASE, + .end = U8500_DMA_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + .name = "base", + }, + [1] = { + .start = U8500_DMA_LCPA_BASE, + .end = U8500_DMA_LCPA_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + .name = "lcpa", + }, + [2] = { + .start = U8500_DMA_LCLA_BASE, + .end = U8500_DMA_LCLA_BASE + 16 * 1024 - 1, + .flags = IORESOURCE_MEM, + .name = "lcla", + }, + [3] = { + .start = IRQ_DMA, + .end = IRQ_DMA, + .flags = IORESOURCE_IRQ} +}; + +/* Default configuration for physcial memcpy */ +struct stedma40_chan_cfg dma40_memcpy_conf_phy = { + .channel_type = (STEDMA40_CHANNEL_IN_PHY_MODE | + STEDMA40_LOW_PRIORITY_CHANNEL | + STEDMA40_PCHAN_BASIC_MODE), + .dir = STEDMA40_MEM_TO_MEM, + + .src_info.endianess = STEDMA40_LITTLE_ENDIAN, + .src_info.data_width = STEDMA40_BYTE_WIDTH, + .src_info.psize = STEDMA40_PSIZE_PHY_1, + + .dst_info.endianess = STEDMA40_LITTLE_ENDIAN, + .dst_info.data_width = STEDMA40_BYTE_WIDTH, + .dst_info.psize = STEDMA40_PSIZE_PHY_1, + +}; +/* Default configuration for logical memcpy */ +struct stedma40_chan_cfg dma40_memcpy_conf_log = { + .channel_type = (STEDMA40_CHANNEL_IN_LOG_MODE | + STEDMA40_LOW_PRIORITY_CHANNEL | + STEDMA40_LCHAN_SRC_LOG_DST_LOG | + STEDMA40_NO_TIM_FOR_LINK), + .dir = STEDMA40_MEM_TO_MEM, + + .src_info.endianess = STEDMA40_LITTLE_ENDIAN, + .src_info.data_width = STEDMA40_BYTE_WIDTH, + .src_info.psize = STEDMA40_PSIZE_LOG_1, + + .dst_info.endianess = STEDMA40_LITTLE_ENDIAN, + .dst_info.data_width = STEDMA40_BYTE_WIDTH, + .dst_info.psize = STEDMA40_PSIZE_LOG_1, + +}; + +/* + * Mapping between destination event lines and physical device address. + * The event line is tied to a device and therefor the address is constant. + */ +static const dma_addr_t dma40_tx_map[STEDMA40_NR_DEV]; + +/* Mapping between source event lines and physical device address */ +static const dma_addr_t dma40_rx_map[STEDMA40_NR_DEV]; + +/* Reserved event lines for memcpy only */ +static int dma40_memcpy_event[] = { + STEDMA40_MEMCPY_TX_1, + STEDMA40_MEMCPY_TX_2, + STEDMA40_MEMCPY_TX_3, + STEDMA40_MEMCPY_TX_4, +}; + +static struct stedma40_platform_data dma40_plat_data = { + .dev_len = STEDMA40_NR_DEV, + .dev_rx = dma40_rx_map, + .dev_tx = dma40_tx_map, + .memcpy = dma40_memcpy_event, + .memcpy_len = ARRAY_SIZE(dma40_memcpy_event), + .memcpy_conf_phy = &dma40_memcpy_conf_phy, + .memcpy_conf_log = &dma40_memcpy_conf_log, + .llis_per_log = 8, +}; + +struct platform_device u8500_dma40_device = { + .dev = { + .platform_data = &dma40_plat_data, + }, + .name = "dma40", + .id = 0, + .num_resources = ARRAY_SIZE(dma40_resources), + .resource = dma40_resources +}; + +void dma40_u8500ed_fixup(void) +{ + dma40_plat_data.memcpy = NULL; + dma40_plat_data.memcpy_len = 0; + dma40_resources[0].start = U8500_DMA_BASE_ED; + dma40_resources[0].end = U8500_DMA_BASE_ED + SZ_4K - 1; +} diff --git a/arch/arm/mach-ux500/include/mach/db8500-regs.h b/arch/arm/mach-ux500/include/mach/db8500-regs.h index 9169e1e382a3..85fc6a80b386 100644 --- a/arch/arm/mach-ux500/include/mach/db8500-regs.h +++ b/arch/arm/mach-ux500/include/mach/db8500-regs.h @@ -7,6 +7,18 @@ #ifndef __MACH_DB8500_REGS_H #define __MACH_DB8500_REGS_H +/* Base address and bank offsets for ESRAM */ +#define U8500_ESRAM_BASE 0x40000000 +#define U8500_ESRAM_BANK_SIZE 0x00020000 +#define U8500_ESRAM_BANK0 U8500_ESRAM_BASE +#define U8500_ESRAM_BANK1 (U8500_ESRAM_BASE + U8500_ESRAM_BANK_SIZE) +#define U8500_ESRAM_BANK2 (U8500_ESRAM_BANK1 + U8500_ESRAM_BANK_SIZE) +#define U8500_ESRAM_BANK3 (U8500_ESRAM_BANK2 + U8500_ESRAM_BANK_SIZE) +#define U8500_ESRAM_BANK4 (U8500_ESRAM_BANK3 + U8500_ESRAM_BANK_SIZE) +/* Use bank 4 for DMA LCLA and LCPA */ +#define U8500_DMA_LCLA_BASE U8500_ESRAM_BANK4 +#define U8500_DMA_LCPA_BASE (U8500_ESRAM_BANK4 + 0x4000) + #define U8500_PER3_BASE 0x80000000 #define U8500_STM_BASE 0x80100000 #define U8500_STM_REG_BASE (U8500_STM_BASE + 0xF000) diff --git a/arch/arm/mach-ux500/include/mach/devices.h b/arch/arm/mach-ux500/include/mach/devices.h index 0422af00a56e..c2b2f2574947 100644 --- a/arch/arm/mach-ux500/include/mach/devices.h +++ b/arch/arm/mach-ux500/include/mach/devices.h @@ -25,5 +25,8 @@ extern struct platform_device ux500_i2c3_device; extern struct platform_device u8500_i2c0_device; extern struct platform_device u8500_i2c4_device; +extern struct platform_device u8500_dma40_device; + +void dma40_u8500ed_fixup(void); #endif diff --git a/arch/arm/mach-ux500/ste-dma40-db8500.h b/arch/arm/mach-ux500/ste-dma40-db8500.h new file mode 100644 index 000000000000..e7016278dfa9 --- /dev/null +++ b/arch/arm/mach-ux500/ste-dma40-db8500.h @@ -0,0 +1,154 @@ +/* + * arch/arm/mach-ux500/ste_dma40_db8500.h + * DB8500-SoC-specific configuration for DMA40 + * + * Copyright (C) ST-Ericsson 2007-2010 + * License terms: GNU General Public License (GPL) version 2 + * Author: Per Friden <per.friden@stericsson.com> + * Author: Jonas Aaberg <jonas.aberg@stericsson.com> + */ +#ifndef STE_DMA40_DB8500_H +#define STE_DMA40_DB8500_H + +#define STEDMA40_NR_DEV 64 + +enum dma_src_dev_type { + STEDMA40_DEV_SPI0_RX = 0, + STEDMA40_DEV_SD_MMC0_RX = 1, + STEDMA40_DEV_SD_MMC1_RX = 2, + STEDMA40_DEV_SD_MMC2_RX = 3, + STEDMA40_DEV_I2C1_RX = 4, + STEDMA40_DEV_I2C3_RX = 5, + STEDMA40_DEV_I2C2_RX = 6, + STEDMA40_DEV_I2C4_RX = 7, /* Only on V1 */ + STEDMA40_DEV_SSP0_RX = 8, + STEDMA40_DEV_SSP1_RX = 9, + STEDMA40_DEV_MCDE_RX = 10, + STEDMA40_DEV_UART2_RX = 11, + STEDMA40_DEV_UART1_RX = 12, + STEDMA40_DEV_UART0_RX = 13, + STEDMA40_DEV_MSP2_RX = 14, + STEDMA40_DEV_I2C0_RX = 15, + STEDMA40_DEV_USB_OTG_IEP_8 = 16, + STEDMA40_DEV_USB_OTG_IEP_1_9 = 17, + STEDMA40_DEV_USB_OTG_IEP_2_10 = 18, + STEDMA40_DEV_USB_OTG_IEP_3_11 = 19, + STEDMA40_DEV_SLIM0_CH0_RX_HSI_RX_CH0 = 20, + STEDMA40_DEV_SLIM0_CH1_RX_HSI_RX_CH1 = 21, + STEDMA40_DEV_SLIM0_CH2_RX_HSI_RX_CH2 = 22, + STEDMA40_DEV_SLIM0_CH3_RX_HSI_RX_CH3 = 23, + STEDMA40_DEV_SRC_SXA0_RX_TX = 24, + STEDMA40_DEV_SRC_SXA1_RX_TX = 25, + STEDMA40_DEV_SRC_SXA2_RX_TX = 26, + STEDMA40_DEV_SRC_SXA3_RX_TX = 27, + STEDMA40_DEV_SD_MM2_RX = 28, + STEDMA40_DEV_SD_MM0_RX = 29, + STEDMA40_DEV_MSP1_RX = 30, + /* + * This channel is either SlimBus or MSP, + * never both at the same time. + */ + STEDMA40_SLIM0_CH0_RX = 31, + STEDMA40_DEV_MSP0_RX = 31, + STEDMA40_DEV_SD_MM1_RX = 32, + STEDMA40_DEV_SPI2_RX = 33, + STEDMA40_DEV_I2C3_RX2 = 34, + STEDMA40_DEV_SPI1_RX = 35, + STEDMA40_DEV_USB_OTG_IEP_4_12 = 36, + STEDMA40_DEV_USB_OTG_IEP_5_13 = 37, + STEDMA40_DEV_USB_OTG_IEP_6_14 = 38, + STEDMA40_DEV_USB_OTG_IEP_7_15 = 39, + STEDMA40_DEV_SPI3_RX = 40, + STEDMA40_DEV_SD_MM3_RX = 41, + STEDMA40_DEV_SD_MM4_RX = 42, + STEDMA40_DEV_SD_MM5_RX = 43, + STEDMA40_DEV_SRC_SXA4_RX_TX = 44, + STEDMA40_DEV_SRC_SXA5_RX_TX = 45, + STEDMA40_DEV_SRC_SXA6_RX_TX = 46, + STEDMA40_DEV_SRC_SXA7_RX_TX = 47, + STEDMA40_DEV_CAC1_RX = 48, + /* RX channels 49 and 50 are unused */ + STEDMA40_DEV_MSHC_RX = 51, + STEDMA40_DEV_SLIM1_CH0_RX_HSI_RX_CH4 = 52, + STEDMA40_DEV_SLIM1_CH1_RX_HSI_RX_CH5 = 53, + STEDMA40_DEV_SLIM1_CH2_RX_HSI_RX_CH6 = 54, + STEDMA40_DEV_SLIM1_CH3_RX_HSI_RX_CH7 = 55, + /* RX channels 56 thru 60 are unused */ + STEDMA40_DEV_CAC0_RX = 61, + /* RX channels 62 and 63 are unused */ +}; + +enum dma_dest_dev_type { + STEDMA40_DEV_SPI0_TX = 0, + STEDMA40_DEV_SD_MMC0_TX = 1, + STEDMA40_DEV_SD_MMC1_TX = 2, + STEDMA40_DEV_SD_MMC2_TX = 3, + STEDMA40_DEV_I2C1_TX = 4, + STEDMA40_DEV_I2C3_TX = 5, + STEDMA40_DEV_I2C2_TX = 6, + STEDMA50_DEV_I2C4_TX = 7, /* Only on V1 */ + STEDMA40_DEV_SSP0_TX = 8, + STEDMA40_DEV_SSP1_TX = 9, + /* TX channel 10 is unused */ + STEDMA40_DEV_UART2_TX = 11, + STEDMA40_DEV_UART1_TX = 12, + STEDMA40_DEV_UART0_TX= 13, + STEDMA40_DEV_MSP2_TX = 14, + STEDMA40_DEV_I2C0_TX = 15, + STEDMA40_DEV_USB_OTG_OEP_8 = 16, + STEDMA40_DEV_USB_OTG_OEP_1_9 = 17, + STEDMA40_DEV_USB_OTG_OEP_2_10= 18, + STEDMA40_DEV_USB_OTG_OEP_3_11 = 19, + STEDMA40_DEV_SLIM0_CH0_TX_HSI_TX_CH0 = 20, + STEDMA40_DEV_SLIM0_CH1_TX_HSI_TX_CH1 = 21, + STEDMA40_DEV_SLIM0_CH2_TX_HSI_TX_CH2 = 22, + STEDMA40_DEV_SLIM0_CH3_TX_HSI_TX_CH3 = 23, + STEDMA40_DEV_DST_SXA0_RX_TX = 24, + STEDMA40_DEV_DST_SXA1_RX_TX = 25, + STEDMA40_DEV_DST_SXA2_RX_TX = 26, + STEDMA40_DEV_DST_SXA3_RX_TX = 27, + STEDMA40_DEV_SD_MM2_TX = 28, + STEDMA40_DEV_SD_MM0_TX = 29, + STEDMA40_DEV_MSP1_TX = 30, + /* + * This channel is either SlimBus or MSP, + * never both at the same time. + */ + STEDMA40_SLIM0_CH0_TX = 31, + STEDMA40_DEV_MSP0_TX = 31, + STEDMA40_DEV_SD_MM1_TX = 32, + STEDMA40_DEV_SPI2_TX = 33, + /* Secondary I2C3 channel */ + STEDMA40_DEV_I2C3_TX2 = 34, + STEDMA40_DEV_SPI1_TX = 35, + STEDMA40_DEV_USB_OTG_OEP_4_12 = 36, + STEDMA40_DEV_USB_OTG_OEP_5_13 = 37, + STEDMA40_DEV_USB_OTG_OEP_6_14 = 38, + STEDMA40_DEV_USB_OTG_OEP_7_15 = 39, + STEDMA40_DEV_SPI3_TX = 40, + STEDMA40_DEV_SD_MM3_TX = 41, + STEDMA40_DEV_SD_MM4_TX = 42, + STEDMA40_DEV_SD_MM5_TX = 43, + STEDMA40_DEV_DST_SXA4_RX_TX = 44, + STEDMA40_DEV_DST_SXA5_RX_TX = 45, + STEDMA40_DEV_DST_SXA6_RX_TX = 46, + STEDMA40_DEV_DST_SXA7_RX_TX = 47, + STEDMA40_DEV_CAC1_TX = 48, + STEDMA40_DEV_CAC1_TX_HAC1_TX = 49, + STEDMA40_DEV_HAC1_TX = 50, + STEDMA40_MEMXCPY_TX_0 = 51, + STEDMA40_DEV_SLIM1_CH0_TX_HSI_TX_CH4 = 52, + STEDMA40_DEV_SLIM1_CH1_TX_HSI_TX_CH5 = 53, + STEDMA40_DEV_SLIM1_CH2_TX_HSI_TX_CH6 = 54, + STEDMA40_DEV_SLIM1_CH3_TX_HSI_TX_CH7 = 55, + STEDMA40_MEMCPY_TX_1 = 56, + STEDMA40_MEMCPY_TX_2 = 57, + STEDMA40_MEMCPY_TX_3 = 58, + STEDMA40_MEMCPY_TX_4 = 59, + STEDMA40_MEMCPY_TX_5 = 60, + STEDMA40_DEV_CAC0_TX = 61, + STEDMA40_DEV_CAC0_TX_HAC0_TX = 62, + STEDMA40_DEV_HAC0_TX = 63, +}; + +#endif diff --git a/arch/arm/mach-vexpress/ct-ca9x4.c b/arch/arm/mach-vexpress/ct-ca9x4.c index e6f73030d5f0..9b11eedba65f 100644 --- a/arch/arm/mach-vexpress/ct-ca9x4.c +++ b/arch/arm/mach-vexpress/ct-ca9x4.c @@ -2,6 +2,7 @@ * Versatile Express Core Tile Cortex A9x4 Support */ #include <linux/init.h> +#include <linux/gfp.h> #include <linux/device.h> #include <linux/dma-mapping.h> #include <linux/platform_device.h> diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 1ba6cf5a2c02..f6a999465323 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -678,10 +678,10 @@ void __init mem_init(void) void free_initmem(void) { #ifdef CONFIG_HAVE_TCM - extern char *__tcm_start, *__tcm_end; + extern char __tcm_start, __tcm_end; - totalram_pages += free_area(__phys_to_pfn(__pa(__tcm_start)), - __phys_to_pfn(__pa(__tcm_end)), + totalram_pages += free_area(__phys_to_pfn(__pa(&__tcm_start)), + __phys_to_pfn(__pa(&__tcm_end)), "TCM link"); #endif diff --git a/arch/arm/plat-mxc/clock.c b/arch/arm/plat-mxc/clock.c index 323ff8ccc877..2ed3ab173add 100644 --- a/arch/arm/plat-mxc/clock.c +++ b/arch/arm/plat-mxc/clock.c @@ -52,13 +52,14 @@ static void __clk_disable(struct clk *clk) { if (clk == NULL || IS_ERR(clk)) return; - - __clk_disable(clk->parent); - __clk_disable(clk->secondary); - WARN_ON(!clk->usecount); - if (!(--clk->usecount) && clk->disable) - clk->disable(clk); + + if (!(--clk->usecount)) { + if (clk->disable) + clk->disable(clk); + __clk_disable(clk->parent); + __clk_disable(clk->secondary); + } } static int __clk_enable(struct clk *clk) @@ -66,12 +67,13 @@ static int __clk_enable(struct clk *clk) if (clk == NULL || IS_ERR(clk)) return -EINVAL; - __clk_enable(clk->parent); - __clk_enable(clk->secondary); - - if (clk->usecount++ == 0 && clk->enable) - clk->enable(clk); + if (clk->usecount++ == 0) { + __clk_enable(clk->parent); + __clk_enable(clk->secondary); + if (clk->enable) + clk->enable(clk); + } return 0; } @@ -160,17 +162,28 @@ EXPORT_SYMBOL(clk_set_rate); int clk_set_parent(struct clk *clk, struct clk *parent) { int ret = -EINVAL; + struct clk *old; if (clk == NULL || IS_ERR(clk) || parent == NULL || IS_ERR(parent) || clk->set_parent == NULL) return ret; + if (clk->usecount) + clk_enable(parent); + mutex_lock(&clocks_mutex); ret = clk->set_parent(clk, parent); - if (ret == 0) + if (ret == 0) { + old = clk->parent; clk->parent = parent; + } else { + old = parent; + } mutex_unlock(&clocks_mutex); + if (clk->usecount) + clk_disable(old); + return ret; } EXPORT_SYMBOL(clk_set_parent); diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx25.h b/arch/arm/plat-mxc/include/mach/iomux-mx25.h index f39220d1b67a..e88d01a125a6 100644 --- a/arch/arm/plat-mxc/include/mach/iomux-mx25.h +++ b/arch/arm/plat-mxc/include/mach/iomux-mx25.h @@ -371,30 +371,33 @@ #define MX25_PAD_SD1_DATA3__FEC_CRS IOMUX_PAD(0x39c, 0x1a4, 0x10, 0x508, 2, NO_PAD_CTRL) #define MX25_PAD_SD1_DATA3__GPIO_2_28 IOMUX_PAD(0x39c, 0x1a4, 0x15, 0, 0, NO_PAD_CTRL) -#define MX25_PAD_KPP_ROW0__KPP_ROW0 IOMUX_PAD(0x3a0, 0x1a8, 0x10, 0, 0, PAD_CTL_PKE) +#define KPP_CTL_ROW (PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_100K_UP) +#define KPP_CTL_COL (PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_100K_UP | PAD_CTL_ODE) + +#define MX25_PAD_KPP_ROW0__KPP_ROW0 IOMUX_PAD(0x3a0, 0x1a8, 0x10, 0, 0, KPP_CTL_ROW) #define MX25_PAD_KPP_ROW0__GPIO_2_29 IOMUX_PAD(0x3a0, 0x1a8, 0x15, 0, 0, NO_PAD_CTRL) -#define MX25_PAD_KPP_ROW1__KPP_ROW1 IOMUX_PAD(0x3a4, 0x1ac, 0x10, 0, 0, PAD_CTL_PKE) +#define MX25_PAD_KPP_ROW1__KPP_ROW1 IOMUX_PAD(0x3a4, 0x1ac, 0x10, 0, 0, KPP_CTL_ROW) #define MX25_PAD_KPP_ROW1__GPIO_2_30 IOMUX_PAD(0x3a4, 0x1ac, 0x15, 0, 0, NO_PAD_CTRL) -#define MX25_PAD_KPP_ROW2__KPP_ROW2 IOMUX_PAD(0x3a8, 0x1b0, 0x10, 0, 0, PAD_CTL_PKE) +#define MX25_PAD_KPP_ROW2__KPP_ROW2 IOMUX_PAD(0x3a8, 0x1b0, 0x10, 0, 0, KPP_CTL_ROW) #define MX25_PAD_KPP_ROW2__CSI_D0 IOMUX_PAD(0x3a8, 0x1b0, 0x13, 0x488, 2, NO_PAD_CTRL) #define MX25_PAD_KPP_ROW2__GPIO_2_31 IOMUX_PAD(0x3a8, 0x1b0, 0x15, 0, 0, NO_PAD_CTRL) -#define MX25_PAD_KPP_ROW3__KPP_ROW3 IOMUX_PAD(0x3ac, 0x1b4, 0x10, 0, 0, PAD_CTL_PKE) +#define MX25_PAD_KPP_ROW3__KPP_ROW3 IOMUX_PAD(0x3ac, 0x1b4, 0x10, 0, 0, KPP_CTL_ROW) #define MX25_PAD_KPP_ROW3__CSI_LD1 IOMUX_PAD(0x3ac, 0x1b4, 0x13, 0x48c, 2, NO_PAD_CTRL) #define MX25_PAD_KPP_ROW3__GPIO_3_0 IOMUX_PAD(0x3ac, 0x1b4, 0x15, 0, 0, NO_PAD_CTRL) -#define MX25_PAD_KPP_COL0__KPP_COL0 IOMUX_PAD(0x3b0, 0x1b8, 0x10, 0, 0, PAD_CTL_PKE | PAD_CTL_ODE) +#define MX25_PAD_KPP_COL0__KPP_COL0 IOMUX_PAD(0x3b0, 0x1b8, 0x10, 0, 0, KPP_CTL_COL) #define MX25_PAD_KPP_COL0__GPIO_3_1 IOMUX_PAD(0x3b0, 0x1b8, 0x15, 0, 0, NO_PAD_CTRL) -#define MX25_PAD_KPP_COL1__KPP_COL1 IOMUX_PAD(0x3b4, 0x1bc, 0x10, 0, 0, PAD_CTL_PKE | PAD_CTL_ODE) +#define MX25_PAD_KPP_COL1__KPP_COL1 IOMUX_PAD(0x3b4, 0x1bc, 0x10, 0, 0, KPP_CTL_COL) #define MX25_PAD_KPP_COL1__GPIO_3_2 IOMUX_PAD(0x3b4, 0x1bc, 0x15, 0, 0, NO_PAD_CTRL) -#define MX25_PAD_KPP_COL2__KPP_COL2 IOMUX_PAD(0x3b8, 0x1c0, 0x10, 0, 0, PAD_CTL_PKE | PAD_CTL_ODE) +#define MX25_PAD_KPP_COL2__KPP_COL2 IOMUX_PAD(0x3b8, 0x1c0, 0x10, 0, 0, KPP_CTL_COL) #define MX25_PAD_KPP_COL2__GPIO_3_3 IOMUX_PAD(0x3b8, 0x1c0, 0x15, 0, 0, NO_PAD_CTRL) -#define MX25_PAD_KPP_COL3__KPP_COL3 IOMUX_PAD(0x3bc, 0x1c4, 0x10, 0, 0, PAD_CTL_PKE | PAD_CTL_ODE) +#define MX25_PAD_KPP_COL3__KPP_COL3 IOMUX_PAD(0x3bc, 0x1c4, 0x10, 0, 0, KPP_CTL_COL) #define MX25_PAD_KPP_COL3__GPIO_3_4 IOMUX_PAD(0x3bc, 0x1c4, 0x15, 0, 0, NO_PAD_CTRL) #define MX25_PAD_FEC_MDC__FEC_MDC IOMUX_PAD(0x3c0, 0x1c8, 0x10, 0, 0, NO_PAD_CTRL) diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx51.h b/arch/arm/plat-mxc/include/mach/iomux-mx51.h index ab0f95d953d0..38961c6a6f0d 100644 --- a/arch/arm/plat-mxc/include/mach/iomux-mx51.h +++ b/arch/arm/plat-mxc/include/mach/iomux-mx51.h @@ -38,6 +38,8 @@ typedef enum iomux_config { PAD_CTL_SRE_FAST) #define MX51_UART3_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_DSE_HIGH | \ PAD_CTL_SRE_FAST) +#define MX51_I2C_PAD_CTRL (PAD_CTL_SRE_FAST | PAD_CTL_ODE | \ + PAD_CTL_DSE_HIGH | PAD_CTL_PUS_100K_UP | PAD_CTL_HYS) #define MX51_USBH1_PAD_CTRL (PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH | \ PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \ PAD_CTL_PKE | PAD_CTL_HYS) @@ -57,10 +59,12 @@ typedef enum iomux_config { /* PAD MUX ALT INPSE PATH PADCTRL */ -#define MX51_PAD_GPIO_2_0__EIM_D16 IOMUX_PAD(0x3f0, 0x05c, 1, 0x0, 0, NO_PAD_CTRL) +#define MX51_PAD_EIM_D16__I2C1_SDA IOMUX_PAD(0x3f0, 0x05c, IOMUX_CONFIG_ALT4 | IOMUX_CONFIG_SION, \ + 0x09b4, 0, MX51_I2C_PAD_CTRL) #define MX51_PAD_GPIO_2_1__EIM_D17 IOMUX_PAD(0x3f4, 0x060, 1, 0x0, 0, NO_PAD_CTRL) #define MX51_PAD_GPIO_2_2__EIM_D18 IOMUX_PAD(0x3f8, 0x064, 1, 0x0, 0, NO_PAD_CTRL) -#define MX51_PAD_GPIO_2_3__EIM_D19 IOMUX_PAD(0x3fc, 0x068, 1, 0x0, 0, NO_PAD_CTRL) +#define MX51_PAD_EIM_D19__I2C1_SCL IOMUX_PAD(0x3fc, 0x068, IOMUX_CONFIG_ALT4 | IOMUX_CONFIG_SION, \ + 0x09b0, 0, MX51_I2C_PAD_CTRL) #define MX51_PAD_GPIO_2_4__EIM_D20 IOMUX_PAD(0x400, 0x06c, 1, 0x0, 0, NO_PAD_CTRL) #define MX51_PAD_GPIO_2_5__EIM_D21 IOMUX_PAD(0x404, 0x070, 1, 0x0, 0, NO_PAD_CTRL) #define MX51_PAD_EIM_D21__GPIO_2_5 IOMUX_PAD(0x404, 0x070, IOMUX_CONFIG_ALT1, 0x0, 0, MX51_GPIO_PAD_CTRL) @@ -179,8 +183,8 @@ typedef enum iomux_config { #define MX51_PAD_GPIO_4_14__CSI2_HSYNC IOMUX_PAD(0x5E0, 0x1F0, 3, 0x0, 0, NO_PAD_CTRL) #define MX51_PAD_GPIO_4_15__CSI2_PIXCLK IOMUX_PAD(0x5E4, 0x1F4, 3, 0x0, 0, NO_PAD_CTRL) #define MX51_PAD_CSI2_PKE0__CSI2_PKE0 IOMUX_PAD(0x81C, 0x0, 0, 0x0, 0, NO_PAD_CTRL) -#define MX51_PAD_GPIO_4_16__I2C1_CLK IOMUX_PAD(0x5E8, 0x1F8, 3, 0x0, 0, NO_PAD_CTRL) -#define MX51_PAD_GPIO_4_17__I2C1_DAT IOMUX_PAD(0x5EC, 0x1FC, 3, 0x0, 0, NO_PAD_CTRL) +#define MX51_PAD_I2C1_CLK__HSI2C_CLK IOMUX_PAD(0x5E8, 0x1F8, IOMUX_CONFIG_ALT0, 0x0, 0, NO_PAD_CTRL) +#define MX51_PAD_I2C1_DAT__HSI2C_DAT IOMUX_PAD(0x5EC, 0x1FC, IOMUX_CONFIG_ALT0, 0x0, 0, NO_PAD_CTRL) #define MX51_PAD_GPIO_4_18__AUD3_BB_TXD IOMUX_PAD(0x5F0, 0x200, 3, 0x0, 0, NO_PAD_CTRL) #define MX51_PAD_GPIO_4_19__AUD3_BB_RXD IOMUX_PAD(0x5F4, 0x204, 3, 0x0, 0, NO_PAD_CTRL) #define MX51_PAD_GPIO_4_20__AUD3_BB_CK IOMUX_PAD(0x5F8, 0x208, 3, 0x0, 0, NO_PAD_CTRL) @@ -213,8 +217,10 @@ typedef enum iomux_config { #define MX51_PAD_KEY_COL1__KEY_COL1 IOMUX_PAD(0x650, 0x260, 0, 0x0, 0, NO_PAD_CTRL) #define MX51_PAD_KEY_COL2__KEY_COL2 IOMUX_PAD(0x654, 0x264, 0, 0x0, 0, NO_PAD_CTRL) #define MX51_PAD_KEY_COL3__KEY_COL3 IOMUX_PAD(0x658, 0x268, 0, 0x0, 0, NO_PAD_CTRL) -#define MX51_PAD_KEY_COL4__KEY_COL4 IOMUX_PAD(0x65C, 0x26C, 0, 0x0, 0, NO_PAD_CTRL) -#define MX51_PAD_KEY_COL5__KEY_COL5 IOMUX_PAD(0x660, 0x270, 0, 0x0, 0, NO_PAD_CTRL) +#define MX51_PAD_KEY_COL4__I2C2_SCL IOMUX_PAD(0x65C, 0x26C, IOMUX_CONFIG_ALT3 | IOMUX_CONFIG_SION, \ + 0x09b8, 1, MX51_I2C_PAD_CTRL) +#define MX51_PAD_KEY_COL5__I2C2_SDA IOMUX_PAD(0x660, 0x270, IOMUX_CONFIG_ALT3 | IOMUX_CONFIG_SION, \ + 0x09bc, 1, MX51_I2C_PAD_CTRL) #define MX51_PAD_USBH1_CLK__USBH1_CLK IOMUX_PAD(0x678, 0x278, IOMUX_CONFIG_ALT0, 0x0, 0, MX51_USBH1_PAD_CTRL) #define MX51_PAD_USBH1_DIR__USBH1_DIR IOMUX_PAD(0x67C, 0x27C, IOMUX_CONFIG_ALT0, 0x0, 0, MX51_USBH1_PAD_CTRL) #define MX51_PAD_USBH1_STP__USBH1_STP IOMUX_PAD(0x680, 0x280, IOMUX_CONFIG_ALT0, 0x0, 0, MX51_USBH1_PAD_CTRL) diff --git a/arch/arm/plat-mxc/include/mach/mmc.h b/arch/arm/plat-mxc/include/mach/mmc.h index de2128dada5c..29115f405af9 100644 --- a/arch/arm/plat-mxc/include/mach/mmc.h +++ b/arch/arm/plat-mxc/include/mach/mmc.h @@ -31,6 +31,9 @@ struct imxmmc_platform_data { /* adjust slot voltage */ void (*setpower)(struct device *, unsigned int vdd); + + /* enable card detect using DAT3 */ + int dat3_card_detect; }; #endif diff --git a/arch/arm/plat-mxc/include/mach/mx25.h b/arch/arm/plat-mxc/include/mach/mx25.h index 4eb6e334bda5..35fb9f5e5d1c 100644 --- a/arch/arm/plat-mxc/include/mach/mx25.h +++ b/arch/arm/plat-mxc/include/mach/mx25.h @@ -34,11 +34,13 @@ #define MX25_NFC_BASE_ADDR 0xbb000000 #define MX25_DRYICE_BASE_ADDR 0x53ffc000 #define MX25_LCDC_BASE_ADDR 0x53fbc000 +#define MX25_KPP_BASE_ADDR 0x43fa8000 #define MX25_INT_DRYICE 25 #define MX25_INT_FEC 57 #define MX25_INT_NANDFC 33 #define MX25_INT_LCDC 39 +#define MX25_INT_KPP 24 #if defined(IMX_NEEDS_DEPRECATED_SYMBOLS) #define UART1_BASE_ADDR MX25_UART1_BASE_ADDR diff --git a/arch/arm/plat-mxc/include/mach/mxc_nand.h b/arch/arm/plat-mxc/include/mach/mxc_nand.h index 5d2d21d414e0..2d74748c5db7 100644 --- a/arch/arm/plat-mxc/include/mach/mxc_nand.h +++ b/arch/arm/plat-mxc/include/mach/mxc_nand.h @@ -20,9 +20,13 @@ #ifndef __ASM_ARCH_NAND_H #define __ASM_ARCH_NAND_H +#include <linux/mtd/partitions.h> + struct mxc_nand_platform_data { int width; /* data bus width in bytes */ int hw_ecc:1; /* 0 if supress hardware ECC */ int flash_bbt:1; /* set to 1 to use a flash based bbt */ + struct mtd_partition *parts; /* partition table */ + int nr_parts; /* size of parts */ }; #endif /* __ASM_ARCH_NAND_H */ diff --git a/arch/arm/plat-nomadik/timer.c b/arch/arm/plat-nomadik/timer.c index 0ff3798769ab..08aaa4a7f65f 100644 --- a/arch/arm/plat-nomadik/timer.c +++ b/arch/arm/plat-nomadik/timer.c @@ -13,7 +13,9 @@ #include <linux/irq.h> #include <linux/io.h> #include <linux/clockchips.h> +#include <linux/clk.h> #include <linux/jiffies.h> +#include <linux/err.h> #include <asm/mach/time.h> #include <plat/mtu.h> @@ -124,13 +126,25 @@ static struct irqaction nmdk_timer_irq = { void __init nmdk_timer_init(void) { unsigned long rate; - u32 cr = MTU_CRn_32BITS;; + struct clk *clk0; + struct clk *clk1; + u32 cr; + + clk0 = clk_get_sys("mtu0", NULL); + BUG_ON(IS_ERR(clk0)); + + clk1 = clk_get_sys("mtu1", NULL); + BUG_ON(IS_ERR(clk1)); + + clk_enable(clk0); + clk_enable(clk1); /* * Tick rate is 2.4MHz for Nomadik and 110MHz for ux500: * use a divide-by-16 counter if it's more than 16MHz */ - rate = CLOCK_TICK_RATE; + cr = MTU_CRn_32BITS;; + rate = clk_get_rate(clk0); if (rate > 16 << 20) { rate /= 16; cr |= MTU_CRn_PRESCALE_16; @@ -153,6 +167,14 @@ void __init nmdk_timer_init(void) nmdk_clksrc.name); /* Timer 1 is used for events, fix according to rate */ + cr = MTU_CRn_32BITS; + rate = clk_get_rate(clk1); + if (rate > 16 << 20) { + rate /= 16; + cr |= MTU_CRn_PRESCALE_16; + } else { + cr |= MTU_CRn_PRESCALE_1; + } writel(cr | MTU_CRn_ONESHOT, mtu_base + MTU_CR(1)); /* off, currently */ nmdk_clkevt.mult = div_sc(rate, NSEC_PER_SEC, nmdk_clkevt.shift); nmdk_clkevt.max_delta_ns = diff --git a/arch/arm/plat-s5p/clock.c b/arch/arm/plat-s5p/clock.c index 24a931fd8d3b..b5e255265f20 100644 --- a/arch/arm/plat-s5p/clock.c +++ b/arch/arm/plat-s5p/clock.c @@ -148,6 +148,7 @@ static struct clk *s5p_clks[] __initdata = { &clk_fout_vpll, &clk_arm, &clk_vpll, + &clk_xusbxti, }; void __init s5p_register_clocks(unsigned long xtal_freq) diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg.h b/arch/arm/plat-samsung/include/plat/gpio-cfg.h index 34efdd2b032c..db4112c6f2be 100644 --- a/arch/arm/plat-samsung/include/plat/gpio-cfg.h +++ b/arch/arm/plat-samsung/include/plat/gpio-cfg.h @@ -43,6 +43,11 @@ struct s3c_gpio_chip; * layouts. Provide an point to vector control routine and provide any * per-bank configuration information that other systems such as the * external interrupt code will need. + * + * @sa s3c_gpio_cfgpin + * @sa s3c_gpio_getcfg + * @sa s3c_gpio_setpull + * @sa s3c_gpio_getpull */ struct s3c_gpio_cfg { unsigned int cfg_eint; @@ -70,11 +75,25 @@ struct s3c_gpio_cfg { /** * s3c_gpio_cfgpin() - Change the GPIO function of a pin. * @pin pin The pin number to configure. - * @pin to The configuration for the pin's function. + * @to to The configuration for the pin's function. * * Configure which function is actually connected to the external * pin, such as an gpio input, output or some form of special function * connected to an internal peripheral block. + * + * The @to parameter can be one of the generic S3C_GPIO_INPUT, S3C_GPIO_OUTPUT + * or S3C_GPIO_SFN() to indicate one of the possible values that the helper + * will then generate the correct bit mask and shift for the configuration. + * + * If a bank of GPIOs all needs to be set to special-function 2, then + * the following code will work: + * + * for (gpio = start; gpio < end; gpio++) + * s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); + * + * The @to parameter can also be a specific value already shifted to the + * correct position in the control register, although these are discouraged + * in newer kernels and are only being kept for compatibility. */ extern int s3c_gpio_cfgpin(unsigned int pin, unsigned int to); @@ -108,6 +127,8 @@ extern unsigned s3c_gpio_getcfg(unsigned int pin); * This function sets the state of the pull-{up,down} resistor for the * specified pin. It will return 0 if successfull, or a negative error * code if the pin cannot support the requested pull setting. + * + * @pull is one of S3C_GPIO_PULL_NONE, S3C_GPIO_PULL_DOWN or S3C_GPIO_PULL_UP. */ extern int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull); diff --git a/arch/arm/vfp/vfphw.S b/arch/arm/vfp/vfphw.S index 66dc2d03b7fc..d66cead97d28 100644 --- a/arch/arm/vfp/vfphw.S +++ b/arch/arm/vfp/vfphw.S @@ -277,7 +277,7 @@ ENTRY(vfp_put_double) #ifdef CONFIG_VFPv3 @ d16 - d31 registers .irp dr,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 -1: mcrr p11, 3, r1, r2, c\dr @ fmdrr r1, r2, d\dr +1: mcrr p11, 3, r0, r1, c\dr @ fmdrr r0, r1, d\dr mov pc, lr .org 1b + 8 .endr diff --git a/arch/blackfin/include/asm/elf.h b/arch/blackfin/include/asm/elf.h index 117713adea7f..e6c6812a9abd 100644 --- a/arch/blackfin/include/asm/elf.h +++ b/arch/blackfin/include/asm/elf.h @@ -119,6 +119,7 @@ do { \ #define ELF_CORE_COPY_REGS(pr_reg, regs) \ memcpy((char *) &pr_reg, (char *)regs, \ sizeof(struct pt_regs)); +#define ELF_CORE_COPY_FPREGS(...) 0 /* Blackfin has no FPU */ /* This yields a mask that user programs can use to figure out what instruction set this cpu supports. */ diff --git a/arch/blackfin/mach-bf527/include/mach/defBF52x_base.h b/arch/blackfin/mach-bf527/include/mach/defBF52x_base.h index 8b18b5359210..620834097632 100644 --- a/arch/blackfin/mach-bf527/include/mach/defBF52x_base.h +++ b/arch/blackfin/mach-bf527/include/mach/defBF52x_base.h @@ -1738,85 +1738,4 @@ #define nAFEXIT 0x0 #define SECSTAT 0xe0 /* Secure Status */ -/* Bit masks for NFC_CTL */ - -#define WR_DLY 0xf /* Write Strobe Delay */ -#define RD_DLY 0xf0 /* Read Strobe Delay */ -#define NWIDTH 0x100 /* NAND Data Width */ -#define nNWIDTH 0x0 -#define PG_SIZE 0x200 /* Page Size */ -#define nPG_SIZE 0x0 - -/* Bit masks for NFC_STAT */ - -#define NBUSY 0x1 /* Not Busy */ -#define nNBUSY 0x0 -#define WB_FULL 0x2 /* Write Buffer Full */ -#define nWB_FULL 0x0 -#define PG_WR_STAT 0x4 /* Page Write Pending */ -#define nPG_WR_STAT 0x0 -#define PG_RD_STAT 0x8 /* Page Read Pending */ -#define nPG_RD_STAT 0x0 -#define WB_EMPTY 0x10 /* Write Buffer Empty */ -#define nWB_EMPTY 0x0 - -/* Bit masks for NFC_IRQSTAT */ - -#define NBUSYIRQ 0x1 /* Not Busy IRQ */ -#define nNBUSYIRQ 0x0 -#define WB_OVF 0x2 /* Write Buffer Overflow */ -#define nWB_OVF 0x0 -#define WB_EDGE 0x4 /* Write Buffer Edge Detect */ -#define nWB_EDGE 0x0 -#define RD_RDY 0x8 /* Read Data Ready */ -#define nRD_RDY 0x0 -#define WR_DONE 0x10 /* Page Write Done */ -#define nWR_DONE 0x0 - -/* Bit masks for NFC_IRQMASK */ - -#define MASK_BUSYIRQ 0x1 /* Mask Not Busy IRQ */ -#define nMASK_BUSYIRQ 0x0 -#define MASK_WBOVF 0x2 /* Mask Write Buffer Overflow */ -#define nMASK_WBOVF 0x0 -#define MASK_WBEMPTY 0x4 /* Mask Write Buffer Empty */ -#define nMASK_WBEMPTY 0x0 -#define MASK_RDRDY 0x8 /* Mask Read Data Ready */ -#define nMASK_RDRDY 0x0 -#define MASK_WRDONE 0x10 /* Mask Write Done */ -#define nMASK_WRDONE 0x0 - -/* Bit masks for NFC_RST */ - -#define ECC_RST 0x1 /* ECC (and NFC counters) Reset */ -#define nECC_RST 0x0 - -/* Bit masks for NFC_PGCTL */ - -#define PG_RD_START 0x1 /* Page Read Start */ -#define nPG_RD_START 0x0 -#define PG_WR_START 0x2 /* Page Write Start */ -#define nPG_WR_START 0x0 - -/* Bit masks for NFC_ECC0 */ - -#define ECC0 0x7ff /* Parity Calculation Result0 */ - -/* Bit masks for NFC_ECC1 */ - -#define ECC1 0x7ff /* Parity Calculation Result1 */ - -/* Bit masks for NFC_ECC2 */ - -#define ECC2 0x7ff /* Parity Calculation Result2 */ - -/* Bit masks for NFC_ECC3 */ - -#define ECC3 0x7ff /* Parity Calculation Result3 */ - -/* Bit masks for NFC_COUNT */ - -#define ECCCNT 0x3ff /* Transfer Count */ - - #endif /* _DEF_BF52X_H */ diff --git a/arch/blackfin/mach-bf548/include/mach/defBF54x_base.h b/arch/blackfin/mach-bf548/include/mach/defBF54x_base.h index 0ed06c2366fe..54143441af5e 100644 --- a/arch/blackfin/mach-bf548/include/mach/defBF54x_base.h +++ b/arch/blackfin/mach-bf548/include/mach/defBF54x_base.h @@ -2044,66 +2044,6 @@ #define RESET_WDOG 0x4000 /* SW Reset Generated By Watchdog Timer */ #define RESET_SOFTWARE 0x8000 /* SW Reset Occurred Since Last Read Of SWRST */ -/* Bit masks for NFC_CTL */ - -#define WR_DLY 0xf /* Write Strobe Delay */ -#define RD_DLY 0xf0 /* Read Strobe Delay */ -#define NWIDTH 0x100 /* NAND Data Width */ -#define PG_SIZE 0x200 /* Page Size */ - -/* Bit masks for NFC_STAT */ - -#define NBUSY 0x1 /* Not Busy */ -#define WB_FULL 0x2 /* Write Buffer Full */ -#define PG_WR_STAT 0x4 /* Page Write Pending */ -#define PG_RD_STAT 0x8 /* Page Read Pending */ -#define WB_EMPTY 0x10 /* Write Buffer Empty */ - -/* Bit masks for NFC_IRQSTAT */ - -#define NBUSYIRQ 0x1 /* Not Busy IRQ */ -#define WB_OVF 0x2 /* Write Buffer Overflow */ -#define WB_EDGE 0x4 /* Write Buffer Edge Detect */ -#define RD_RDY 0x8 /* Read Data Ready */ -#define WR_DONE 0x10 /* Page Write Done */ - -/* Bit masks for NFC_IRQMASK */ - -#define MASK_BUSYIRQ 0x1 /* Mask Not Busy IRQ */ -#define MASK_WBOVF 0x2 /* Mask Write Buffer Overflow */ -#define MASK_WBEMPTY 0x4 /* Mask Write Buffer Empty */ -#define MASK_RDRDY 0x8 /* Mask Read Data Ready */ -#define MASK_WRDONE 0x10 /* Mask Write Done */ - -/* Bit masks for NFC_RST */ - -#define ECC_RST 0x1 /* ECC (and NFC counters) Reset */ - -/* Bit masks for NFC_PGCTL */ - -#define PG_RD_START 0x1 /* Page Read Start */ -#define PG_WR_START 0x2 /* Page Write Start */ - -/* Bit masks for NFC_ECC0 */ - -#define ECC0 0x7ff /* Parity Calculation Result0 */ - -/* Bit masks for NFC_ECC1 */ - -#define ECC1 0x7ff /* Parity Calculation Result1 */ - -/* Bit masks for NFC_ECC2 */ - -#define ECC2 0x7ff /* Parity Calculation Result2 */ - -/* Bit masks for NFC_ECC3 */ - -#define ECC3 0x7ff /* Parity Calculation Result3 */ - -/* Bit masks for NFC_COUNT */ - -#define ECCCNT 0x3ff /* Transfer Count */ - /* Bit masks for EPPIx_STATUS */ #define CFIFO_ERR 0x1 /* Chroma FIFO Error */ diff --git a/arch/cris/arch-v10/drivers/ds1302.c b/arch/cris/arch-v10/drivers/ds1302.c index 77630df94343..884275629ef7 100644 --- a/arch/cris/arch-v10/drivers/ds1302.c +++ b/arch/cris/arch-v10/drivers/ds1302.c @@ -19,6 +19,7 @@ #include <linux/module.h> #include <linux/miscdevice.h> #include <linux/delay.h> +#include <linux/smp_lock.h> #include <linux/bcd.h> #include <linux/capability.h> @@ -238,9 +239,7 @@ static unsigned char days_in_mo[] = /* ioctl that supports RTC_RD_TIME and RTC_SET_TIME (read and set time/date). */ -static int -rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd, - unsigned long arg) +static int rtc_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { unsigned long flags; @@ -354,6 +353,17 @@ rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd, } } +static long rtc_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + int ret; + + lock_kernel(); + ret = rtc_ioctl(file, cmd, arg); + unlock_kernel(); + + return ret; +} + static void print_rtc_status(void) { @@ -375,8 +385,8 @@ print_rtc_status(void) /* The various file operations we support. */ static const struct file_operations rtc_fops = { - .owner = THIS_MODULE, - .ioctl = rtc_ioctl, + .owner = THIS_MODULE, + .unlocked_ioctl = rtc_unlocked_ioctl, }; /* Probe for the chip by writing something to its RAM and try reading it back. */ diff --git a/arch/cris/arch-v10/drivers/pcf8563.c b/arch/cris/arch-v10/drivers/pcf8563.c index 1e90c1a9c849..7dcb1f85f42b 100644 --- a/arch/cris/arch-v10/drivers/pcf8563.c +++ b/arch/cris/arch-v10/drivers/pcf8563.c @@ -27,6 +27,7 @@ #include <linux/delay.h> #include <linux/bcd.h> #include <linux/mutex.h> +#include <linux/smp_lock.h> #include <asm/uaccess.h> #include <asm/system.h> @@ -53,7 +54,7 @@ static DEFINE_MUTEX(rtc_lock); /* Protect state etc */ static const unsigned char days_in_month[] = { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; -int pcf8563_ioctl(struct inode *, struct file *, unsigned int, unsigned long); +static long pcf8563_unlocked_ioctl(struct file *, unsigned int, unsigned long); /* Cache VL bit value read at driver init since writing the RTC_SECOND * register clears the VL status. @@ -62,7 +63,7 @@ static int voltage_low; static const struct file_operations pcf8563_fops = { .owner = THIS_MODULE, - .ioctl = pcf8563_ioctl, + .unlocked_ioctl = pcf8563_unlocked_ioctl, }; unsigned char @@ -212,8 +213,7 @@ pcf8563_exit(void) * ioctl calls for this driver. Why return -ENOTTY upon error? Because * POSIX says so! */ -int pcf8563_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +static int pcf8563_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { /* Some sanity checks. */ if (_IOC_TYPE(cmd) != RTC_MAGIC) @@ -339,6 +339,17 @@ int pcf8563_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, return 0; } +static long pcf8563_unlocked_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) +{ + int ret; + + lock_kernel(); + return pcf8563_ioctl(filp, cmd, arg); + unlock_kernel(); + + return ret; +} + static int __init pcf8563_register(void) { if (pcf8563_init() < 0) { diff --git a/arch/cris/arch-v10/kernel/irq.c b/arch/cris/arch-v10/kernel/irq.c index 1a61efc13982..a0c0df8be9c8 100644 --- a/arch/cris/arch-v10/kernel/irq.c +++ b/arch/cris/arch-v10/kernel/irq.c @@ -17,8 +17,8 @@ #include <linux/kernel.h> #include <linux/init.h> -#define mask_irq(irq_nr) (*R_VECT_MASK_CLR = 1 << (irq_nr)); -#define unmask_irq(irq_nr) (*R_VECT_MASK_SET = 1 << (irq_nr)); +#define crisv10_mask_irq(irq_nr) (*R_VECT_MASK_CLR = 1 << (irq_nr)); +#define crisv10_unmask_irq(irq_nr) (*R_VECT_MASK_SET = 1 << (irq_nr)); /* don't use set_int_vector, it bypasses the linux interrupt handlers. it is * global just so that the kernel gdb can use it. @@ -116,12 +116,12 @@ static unsigned int startup_crisv10_irq(unsigned int irq) static void enable_crisv10_irq(unsigned int irq) { - unmask_irq(irq); + crisv10_unmask_irq(irq); } static void disable_crisv10_irq(unsigned int irq) { - mask_irq(irq); + crisv10_mask_irq(irq); } static void ack_crisv10_irq(unsigned int irq) diff --git a/arch/cris/arch-v10/lib/dmacopy.c b/arch/cris/arch-v10/lib/dmacopy.c index e5fb44f505c5..49f5b8ca5b47 100644 --- a/arch/cris/arch-v10/lib/dmacopy.c +++ b/arch/cris/arch-v10/lib/dmacopy.c @@ -1,5 +1,4 @@ -/* $Id: dmacopy.c,v 1.1 2001/12/17 13:59:27 bjornw Exp $ - * +/* * memcpy for large blocks, using memory-memory DMA channels 6 and 7 in Etrax */ @@ -13,11 +12,11 @@ void *dma_memcpy(void *pdst, unsigned int pn) { static etrax_dma_descr indma, outdma; - - D(printk("dma_memcpy %d bytes... ", pn)); + + D(printk(KERN_DEBUG "dma_memcpy %d bytes... ", pn)); #if 0 - *R_GEN_CONFIG = genconfig_shadow = + *R_GEN_CONFIG = genconfig_shadow = (genconfig_shadow & ~0x3c0000) | IO_STATE(R_GEN_CONFIG, dma6, intdma7) | IO_STATE(R_GEN_CONFIG, dma7, intdma6); @@ -32,11 +31,11 @@ void *dma_memcpy(void *pdst, *R_DMA_CH7_FIRST = &outdma; *R_DMA_CH6_CMD = IO_STATE(R_DMA_CH6_CMD, cmd, start); *R_DMA_CH7_CMD = IO_STATE(R_DMA_CH7_CMD, cmd, start); - - while(*R_DMA_CH7_CMD == 1) /* wait for completion */ ; - D(printk("done\n")); + while (*R_DMA_CH7_CMD == 1) + /* wait for completion */; + D(printk(KERN_DEBUG "done\n")); } diff --git a/arch/cris/arch-v10/lib/hw_settings.S b/arch/cris/arch-v10/lib/hw_settings.S index 56905aaa7b6e..c09f19f478a5 100644 --- a/arch/cris/arch-v10/lib/hw_settings.S +++ b/arch/cris/arch-v10/lib/hw_settings.S @@ -1,13 +1,11 @@ /* - * $Id: hw_settings.S,v 1.1 2001/12/17 13:59:27 bjornw Exp $ - * * This table is used by some tools to extract hardware parameters. * The table should be included in the kernel and the decompressor. * Don't forget to update the tools if you change this table. * * Copyright (C) 2001 Axis Communications AB * - * Authors: Mikael Starvik (starvik@axis.com) + * Authors: Mikael Starvik (starvik@axis.com) */ #define PA_SET_VALUE ((CONFIG_ETRAX_DEF_R_PORT_PA_DIR << 8) | \ @@ -15,13 +13,13 @@ #define PB_SET_VALUE ((CONFIG_ETRAX_DEF_R_PORT_PB_CONFIG << 16) | \ (CONFIG_ETRAX_DEF_R_PORT_PB_DIR << 8) | \ (CONFIG_ETRAX_DEF_R_PORT_PB_DATA)) - + .ascii "HW_PARAM_MAGIC" ; Magic number .dword 0xc0004000 ; Kernel start address ; Debug port #ifdef CONFIG_ETRAX_DEBUG_PORT0 - .dword 0 + .dword 0 #elif defined(CONFIG_ETRAX_DEBUG_PORT1) .dword 1 #elif defined(CONFIG_ETRAX_DEBUG_PORT2) @@ -30,7 +28,7 @@ .dword 3 #else .dword 4 ; No debug -#endif +#endif ; SDRAM or EDO DRAM? #ifdef CONFIG_ETRAX_SDRAM @@ -39,7 +37,7 @@ .dword 0 #endif - ; Register values + ; Register values .dword R_WAITSTATES .dword CONFIG_ETRAX_DEF_R_WAITSTATES .dword R_BUS_CONFIG @@ -56,7 +54,7 @@ .dword CONFIG_ETRAX_DEF_R_DRAM_TIMING #endif .dword R_PORT_PA_SET - .dword PA_SET_VALUE + .dword PA_SET_VALUE .dword R_PORT_PB_SET .dword PB_SET_VALUE .dword 0 ; No more register values diff --git a/arch/cris/arch-v32/drivers/Kconfig b/arch/cris/arch-v32/drivers/Kconfig index b9e328e688be..a2dd740c5907 100644 --- a/arch/cris/arch-v32/drivers/Kconfig +++ b/arch/cris/arch-v32/drivers/Kconfig @@ -360,24 +360,10 @@ config ETRAX_SER4_DSR_BIT string "Ser 4 DSR bit (empty = not used)" depends on ETRAX_SERIAL_PORT4 -config ETRAX_SER3_CD_BIT +config ETRAX_SER4_CD_BIT string "Ser 4 CD bit (empty = not used)" depends on ETRAX_SERIAL_PORT4 -config ETRAX_RS485 - bool "RS-485 support" - depends on ETRAXFS_SERIAL - help - Enables support for RS-485 serial communication. For a primer on - RS-485, see <http://www.hw.cz/english/docs/rs485/rs485.html>. - -config ETRAX_RS485_DISABLE_RECEIVER - bool "Disable serial receiver" - depends on ETRAX_RS485 - help - It is necessary to disable the serial receiver to avoid serial - loopback. Not all products are able to do this in software only. - config ETRAX_SYNCHRONOUS_SERIAL bool "Synchronous serial-port support" depends on ETRAX_ARCH_V32 diff --git a/arch/cris/arch-v32/drivers/i2c.c b/arch/cris/arch-v32/drivers/i2c.c index 506826399ae7..2fd6a740d895 100644 --- a/arch/cris/arch-v32/drivers/i2c.c +++ b/arch/cris/arch-v32/drivers/i2c.c @@ -649,10 +649,10 @@ i2c_release(struct inode *inode, struct file *filp) /* Main device API. ioctl's to write or read to/from i2c registers. */ -static int -i2c_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) +static long +i2c_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { + int ret; if(_IOC_TYPE(cmd) != ETRAXI2C_IOCTYPE) { return -ENOTTY; } @@ -665,9 +665,13 @@ i2c_ioctl(struct inode *inode, struct file *file, I2C_ARGREG(arg), I2C_ARGVALUE(arg))); - return i2c_writereg(I2C_ARGSLAVE(arg), + lock_kernel(); + ret = i2c_writereg(I2C_ARGSLAVE(arg), I2C_ARGREG(arg), I2C_ARGVALUE(arg)); + unlock_kernel(); + return ret; + case I2C_READREG: { unsigned char val; @@ -675,7 +679,9 @@ i2c_ioctl(struct inode *inode, struct file *file, D(printk("i2cr %d %d ", I2C_ARGSLAVE(arg), I2C_ARGREG(arg))); + lock_kernel(); val = i2c_readreg(I2C_ARGSLAVE(arg), I2C_ARGREG(arg)); + unlock_kernel(); D(printk("= %d\n", val)); return val; } @@ -688,10 +694,10 @@ i2c_ioctl(struct inode *inode, struct file *file, } static const struct file_operations i2c_fops = { - .owner = THIS_MODULE, - .ioctl = i2c_ioctl, - .open = i2c_open, - .release = i2c_release, + .owner = THIS_MODULE, + .unlocked_ioctl = i2c_ioctl, + .open = i2c_open, + .release = i2c_release, }; static int __init i2c_init(void) diff --git a/arch/cris/arch-v32/drivers/pcf8563.c b/arch/cris/arch-v32/drivers/pcf8563.c index f4478506e52c..bef6eb53b153 100644 --- a/arch/cris/arch-v32/drivers/pcf8563.c +++ b/arch/cris/arch-v32/drivers/pcf8563.c @@ -24,6 +24,7 @@ #include <linux/init.h> #include <linux/fs.h> #include <linux/ioctl.h> +#include <linux/smp_lock.h> #include <linux/delay.h> #include <linux/bcd.h> #include <linux/mutex.h> @@ -49,7 +50,7 @@ static DEFINE_MUTEX(rtc_lock); /* Protect state etc */ static const unsigned char days_in_month[] = { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; -int pcf8563_ioctl(struct inode *, struct file *, unsigned int, unsigned long); +static long pcf8563_unlocked_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); /* Cache VL bit value read at driver init since writing the RTC_SECOND * register clears the VL status. @@ -57,8 +58,8 @@ int pcf8563_ioctl(struct inode *, struct file *, unsigned int, unsigned long); static int voltage_low; static const struct file_operations pcf8563_fops = { - .owner = THIS_MODULE, - .ioctl = pcf8563_ioctl + .owner = THIS_MODULE, + .unlocked_ioctl = pcf8563_unlocked_ioctl, }; unsigned char @@ -208,8 +209,7 @@ pcf8563_exit(void) * ioctl calls for this driver. Why return -ENOTTY upon error? Because * POSIX says so! */ -int pcf8563_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +static int pcf8563_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { /* Some sanity checks. */ if (_IOC_TYPE(cmd) != RTC_MAGIC) @@ -335,6 +335,17 @@ int pcf8563_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, return 0; } +static long pcf8563_unlocked_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) +{ + int ret; + + lock_kernel(); + return pcf8563_ioctl(filp, cmd, arg); + unlock_kernel(); + + return ret; +} + static int __init pcf8563_register(void) { if (pcf8563_init() < 0) { diff --git a/arch/cris/arch-v32/kernel/crisksyms.c b/arch/cris/arch-v32/kernel/crisksyms.c index 64933e2c0f5b..bde8d1a10cad 100644 --- a/arch/cris/arch-v32/kernel/crisksyms.c +++ b/arch/cris/arch-v32/kernel/crisksyms.c @@ -24,5 +24,5 @@ EXPORT_SYMBOL(crisv32_io_get_name); EXPORT_SYMBOL(crisv32_io_get); /* Functions masking/unmasking interrupts */ -EXPORT_SYMBOL(mask_irq); -EXPORT_SYMBOL(unmask_irq); +EXPORT_SYMBOL(crisv32_mask_irq); +EXPORT_SYMBOL(crisv32_unmask_irq); diff --git a/arch/cris/arch-v32/kernel/irq.c b/arch/cris/arch-v32/kernel/irq.c index b6241198fb98..0b1febe44aa3 100644 --- a/arch/cris/arch-v32/kernel/irq.c +++ b/arch/cris/arch-v32/kernel/irq.c @@ -280,8 +280,7 @@ out: return cpu; } -void -mask_irq(int irq) +void crisv32_mask_irq(int irq) { int cpu; @@ -289,8 +288,7 @@ mask_irq(int irq) block_irq(irq, cpu); } -void -unmask_irq(int irq) +void crisv32_unmask_irq(int irq) { unblock_irq(irq, irq_cpu(irq)); } @@ -298,23 +296,23 @@ unmask_irq(int irq) static unsigned int startup_crisv32_irq(unsigned int irq) { - unmask_irq(irq); + crisv32_unmask_irq(irq); return 0; } static void shutdown_crisv32_irq(unsigned int irq) { - mask_irq(irq); + crisv32_mask_irq(irq); } static void enable_crisv32_irq(unsigned int irq) { - unmask_irq(irq); + crisv32_unmask_irq(irq); } static void disable_crisv32_irq(unsigned int irq) { - mask_irq(irq); + crisv32_mask_irq(irq); } static void ack_crisv32_irq(unsigned int irq) diff --git a/arch/cris/arch-v32/kernel/smp.c b/arch/cris/arch-v32/kernel/smp.c index 058adddf4e4b..84fed3b4b079 100644 --- a/arch/cris/arch-v32/kernel/smp.c +++ b/arch/cris/arch-v32/kernel/smp.c @@ -168,8 +168,8 @@ void __init smp_callin(void) /* Enable IRQ and idle */ REG_WR(intr_vect, irq_regs[cpu], rw_mask, vect_mask); - unmask_irq(IPI_INTR_VECT); - unmask_irq(TIMER0_INTR_VECT); + crisv32_unmask_irq(IPI_INTR_VECT); + crisv32_unmask_irq(TIMER0_INTR_VECT); preempt_disable(); notify_cpu_starting(cpu); local_irq_enable(); diff --git a/arch/cris/include/arch-v10/arch/irq.h b/arch/cris/include/arch-v10/arch/irq.h index 6248004eca1c..7d345947b3ee 100644 --- a/arch/cris/include/arch-v10/arch/irq.h +++ b/arch/cris/include/arch-v10/arch/irq.h @@ -93,15 +93,16 @@ void set_break_vector(int n, irqvectptr addr); "push $r10\n\t" /* push orig_r10 */ \ "clear.d [$sp=$sp-4]\n\t" /* frametype - this is a normal stackframe */ - /* BLOCK_IRQ and UNBLOCK_IRQ do the same as mask_irq and unmask_irq */ +/* BLOCK_IRQ and UNBLOCK_IRQ do the same as + * crisv10_mask_irq and crisv10_unmask_irq */ #define BLOCK_IRQ(mask,nr) \ "move.d " #mask ",$r0\n\t" \ - "move.d $r0,[0xb00000d8]\n\t" - + "move.d $r0,[0xb00000d8]\n\t" + #define UNBLOCK_IRQ(mask) \ "move.d " #mask ",$r0\n\t" \ - "move.d $r0,[0xb00000dc]\n\t" + "move.d $r0,[0xb00000dc]\n\t" #define IRQ_NAME2(nr) nr##_interrupt(void) #define IRQ_NAME(nr) IRQ_NAME2(IRQ##nr) diff --git a/arch/cris/include/arch-v32/arch/irq.h b/arch/cris/include/arch-v32/arch/irq.h index 9e4c9fbdfddf..b31e9984f849 100644 --- a/arch/cris/include/arch-v32/arch/irq.h +++ b/arch/cris/include/arch-v32/arch/irq.h @@ -23,8 +23,8 @@ struct etrax_interrupt_vector { extern struct etrax_interrupt_vector *etrax_irv; /* head.S */ -void mask_irq(int irq); -void unmask_irq(int irq); +void crisv32_mask_irq(int irq); +void crisv32_unmask_irq(int irq); void set_exception_vector(int n, irqvectptr addr); diff --git a/arch/cris/include/asm/param.h b/arch/cris/include/asm/param.h index 0e47994e40be..484fcf8667c0 100644 --- a/arch/cris/include/asm/param.h +++ b/arch/cris/include/asm/param.h @@ -2,22 +2,9 @@ #define _ASMCRIS_PARAM_H /* Currently we assume that HZ=100 is good for CRIS. */ -#ifdef __KERNEL__ -# define HZ CONFIG_HZ /* Internal kernel timer frequency */ -# define USER_HZ 100 /* .. some user interfaces are in "ticks" */ -# define CLOCKS_PER_SEC (USER_HZ) /* like times() */ -#endif - -#ifndef HZ -#define HZ 100 -#endif #define EXEC_PAGESIZE 8192 -#ifndef NOGROUP -#define NOGROUP (-1) -#endif - -#define MAXHOSTNAMELEN 64 /* max length of hostname */ +#include <asm-generic/param.h> -#endif +#endif /* _ASMCRIS_PARAM_H */ diff --git a/arch/frv/include/asm/cache.h b/arch/frv/include/asm/cache.h index 7dc0f0f85b7c..2797163b8f4f 100644 --- a/arch/frv/include/asm/cache.h +++ b/arch/frv/include/asm/cache.h @@ -17,8 +17,6 @@ #define L1_CACHE_SHIFT (CONFIG_FRV_L1_CACHE_SHIFT) #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES - #define __cacheline_aligned __attribute__((aligned(L1_CACHE_BYTES))) #define ____cacheline_aligned __attribute__((aligned(L1_CACHE_BYTES))) diff --git a/arch/frv/include/asm/mem-layout.h b/arch/frv/include/asm/mem-layout.h index 2947764fc0e0..ccae981876fa 100644 --- a/arch/frv/include/asm/mem-layout.h +++ b/arch/frv/include/asm/mem-layout.h @@ -35,8 +35,8 @@ * the slab must be aligned such that load- and store-double instructions don't * fault if used */ -#define ARCH_KMALLOC_MINALIGN 8 -#define ARCH_SLAB_MINALIGN 8 +#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES +#define ARCH_SLAB_MINALIGN L1_CACHE_BYTES /*****************************************************************************/ /* diff --git a/arch/ia64/include/asm/acpi.h b/arch/ia64/include/asm/acpi.h index 21adbd7f90f8..837dc82a013e 100644 --- a/arch/ia64/include/asm/acpi.h +++ b/arch/ia64/include/asm/acpi.h @@ -94,7 +94,6 @@ ia64_acpi_release_global_lock (unsigned int *lock) #define acpi_noirq 0 /* ACPI always enabled on IA64 */ #define acpi_pci_disabled 0 /* ACPI PCI always enabled on IA64 */ #define acpi_strict 1 /* no ACPI spec workarounds on IA64 */ -#define acpi_ht 0 /* no HT-only mode on IA64 */ #endif #define acpi_processor_cstate_check(x) (x) /* no idle limits on IA64 :) */ static inline void disable_acpi(void) { } diff --git a/arch/ia64/mm/numa.c b/arch/ia64/mm/numa.c index 2437718bd6b1..3efea7d0a351 100644 --- a/arch/ia64/mm/numa.c +++ b/arch/ia64/mm/numa.c @@ -17,7 +17,6 @@ #include <linux/init.h> #include <linux/bootmem.h> #include <linux/module.h> -#include <linux/random.h> #include <asm/mmzone.h> #include <asm/numa.h> @@ -51,22 +50,6 @@ paddr_to_nid(unsigned long paddr) return (i < num_node_memblks) ? node_memblk[i].nid : (num_node_memblks ? -1 : 0); } -/* - * Return the bit number of a random bit set in the nodemask. - * (returns -1 if nodemask is empty) - */ -int __node_random(const nodemask_t *maskp) -{ - int w, bit = -1; - - w = nodes_weight(*maskp); - if (w) - bit = bitmap_ord_to_pos(maskp->bits, - get_random_int() % w, MAX_NUMNODES); - return bit; -} -EXPORT_SYMBOL(__node_random); - #if defined(CONFIG_SPARSEMEM) && defined(CONFIG_NUMA) /* * Because of holes evaluate on section limits. diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c index 64aff520b899..aa2533ae7e9e 100644 --- a/arch/ia64/pci/pci.c +++ b/arch/ia64/pci/pci.c @@ -335,8 +335,11 @@ pcibios_setup_root_windows(struct pci_bus *bus, struct pci_controller *ctrl) } struct pci_bus * __devinit -pci_acpi_scan_root(struct acpi_device *device, int domain, int bus) +pci_acpi_scan_root(struct acpi_pci_root *root) { + struct acpi_device *device = root->device; + int domain = root->segment; + int bus = root->secondary.start; struct pci_controller *controller; unsigned int windows = 0; struct pci_bus *pbus; diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig index 76818f926539..ad6c2768e85e 100644 --- a/arch/microblaze/Kconfig +++ b/arch/microblaze/Kconfig @@ -223,6 +223,36 @@ config TASK_SIZE hex "Size of user task space" if TASK_SIZE_BOOL default "0x80000000" +choice + prompt "Page size" + default MICROBLAZE_4K_PAGES + depends on ADVANCED_OPTIONS && !MMU + help + Select the kernel logical page size. Increasing the page size + will reduce software overhead at each page boundary, allow + hardware prefetch mechanisms to be more effective, and allow + larger dma transfers increasing IO efficiency and reducing + overhead. However the utilization of memory will increase. + For example, each cached file will using a multiple of the + page size to hold its contents and the difference between the + end of file and the end of page is wasted. + + If unsure, choose 4K_PAGES. + +config MICROBLAZE_4K_PAGES + bool "4k page size" + +config MICROBLAZE_8K_PAGES + bool "8k page size" + +config MICROBLAZE_16K_PAGES + bool "16k page size" + +config MICROBLAZE_32K_PAGES + bool "32k page size" + +endchoice + endmenu source "mm/Kconfig" diff --git a/arch/microblaze/include/asm/cacheflush.h b/arch/microblaze/include/asm/cacheflush.h index a6edd356cd08..401d0520fc97 100644 --- a/arch/microblaze/include/asm/cacheflush.h +++ b/arch/microblaze/include/asm/cacheflush.h @@ -17,6 +17,7 @@ /* Somebody depends on this; sigh... */ #include <linux/mm.h> +#include <linux/io.h> /* Look at Documentation/cachetlb.txt */ @@ -97,8 +98,10 @@ void microblaze_cache_init(void); #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ do { \ + u32 addr = virt_to_phys(dst); \ + invalidate_icache_range((unsigned) (addr), (unsigned) (addr) + (len));\ memcpy((dst), (src), (len)); \ - flush_icache_range((unsigned) (dst), (unsigned) (dst) + (len)); \ + flush_dcache_range((unsigned) (addr), (unsigned) (addr) + (len));\ } while (0) #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ diff --git a/arch/microblaze/include/asm/elf.h b/arch/microblaze/include/asm/elf.h index 7d4acf2b278e..732caf1be741 100644 --- a/arch/microblaze/include/asm/elf.h +++ b/arch/microblaze/include/asm/elf.h @@ -77,7 +77,7 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; #define ELF_DATA ELFDATA2MSB #endif -#define ELF_EXEC_PAGESIZE 4096 +#define ELF_EXEC_PAGESIZE PAGE_SIZE #define ELF_CORE_COPY_REGS(_dest, _regs) \ diff --git a/arch/microblaze/include/asm/exceptions.h b/arch/microblaze/include/asm/exceptions.h index 4c7b5d037c88..fa0e36657fdd 100644 --- a/arch/microblaze/include/asm/exceptions.h +++ b/arch/microblaze/include/asm/exceptions.h @@ -14,6 +14,11 @@ #define _ASM_MICROBLAZE_EXCEPTIONS_H #ifdef __KERNEL__ + +#ifndef CONFIG_MMU +#define EX_HANDLER_STACK_SIZ (4*19) +#endif + #ifndef __ASSEMBLY__ /* Macros to enable and disable HW exceptions in the MSR */ diff --git a/arch/microblaze/include/asm/page.h b/arch/microblaze/include/asm/page.h index de493f86d28f..1315434ab87f 100644 --- a/arch/microblaze/include/asm/page.h +++ b/arch/microblaze/include/asm/page.h @@ -23,8 +23,16 @@ #ifdef __KERNEL__ /* PAGE_SHIFT determines the page size */ -#define PAGE_SHIFT (12) -#define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT) +#if defined(CONFIG_MICROBLAZE_32K_PAGES) +#define PAGE_SHIFT 15 +#elif defined(CONFIG_MICROBLAZE_16K_PAGES) +#define PAGE_SHIFT 14 +#elif defined(CONFIG_MICROBLAZE_8K_PAGES) +#define PAGE_SHIFT 13 +#else +#define PAGE_SHIFT 12 +#endif +#define PAGE_SIZE (ASM_CONST(1) << PAGE_SHIFT) #define PAGE_MASK (~(PAGE_SIZE-1)) #define LOAD_OFFSET ASM_CONST((CONFIG_KERNEL_START-CONFIG_KERNEL_BASE_ADDR)) diff --git a/arch/microblaze/include/asm/system.h b/arch/microblaze/include/asm/system.h index 48c4f0335e3f..4f8eaea21f88 100644 --- a/arch/microblaze/include/asm/system.h +++ b/arch/microblaze/include/asm/system.h @@ -45,7 +45,6 @@ extern struct task_struct *_switch_to(struct thread_info *prev, #define smp_rmb() rmb() #define smp_wmb() wmb() -void show_trace(struct task_struct *task, unsigned long *stack); void __bad_xchg(volatile void *ptr, int size); static inline unsigned long __xchg(unsigned long x, volatile void *ptr, diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h index 26460d15b338..d840f4a2d3c9 100644 --- a/arch/microblaze/include/asm/uaccess.h +++ b/arch/microblaze/include/asm/uaccess.h @@ -359,7 +359,7 @@ extern long __user_bad(void); __copy_tofrom_user((__force void __user *)(to), \ (void __user *)(from), (n)) #define __copy_from_user_inatomic(to, from, n) \ - copy_from_user((to), (from), (n)) + __copy_from_user((to), (from), (n)) static inline long copy_from_user(void *to, const void __user *from, unsigned long n) @@ -373,7 +373,7 @@ static inline long copy_from_user(void *to, #define __copy_to_user(to, from, n) \ __copy_tofrom_user((void __user *)(to), \ (__force const void __user *)(from), (n)) -#define __copy_to_user_inatomic(to, from, n) copy_to_user((to), (from), (n)) +#define __copy_to_user_inatomic(to, from, n) __copy_to_user((to), (from), (n)) static inline long copy_to_user(void __user *to, const void *from, unsigned long n) diff --git a/arch/microblaze/include/asm/unwind.h b/arch/microblaze/include/asm/unwind.h new file mode 100644 index 000000000000..d248b7de4b13 --- /dev/null +++ b/arch/microblaze/include/asm/unwind.h @@ -0,0 +1,29 @@ +/* + * Backtrace support for Microblaze + * + * Copyright (C) 2010 Digital Design Corporation + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#ifndef __MICROBLAZE_UNWIND_H +#define __MICROBLAZE_UNWIND_H + +struct stack_trace; + +struct trap_handler_info { + unsigned long start_addr; + unsigned long end_addr; + const char *trap_name; +}; +extern struct trap_handler_info microblaze_trap_handlers; + +extern const char _hw_exception_handler; +extern const char ex_handler_unhandled; + +void microblaze_unwind(struct task_struct *task, struct stack_trace *trace); + +#endif /* __MICROBLAZE_UNWIND_H */ + diff --git a/arch/microblaze/kernel/Makefile b/arch/microblaze/kernel/Makefile index e51bc1520825..d66ddef53c07 100644 --- a/arch/microblaze/kernel/Makefile +++ b/arch/microblaze/kernel/Makefile @@ -17,7 +17,7 @@ extra-y := head.o vmlinux.lds obj-y += dma.o exceptions.o \ hw_exception_handler.o init_task.o intc.o irq.o of_device.o \ of_platform.o process.o prom.o prom_parse.o ptrace.o \ - setup.o signal.o sys_microblaze.o timer.o traps.o reset.o + reset.o setup.o signal.o sys_microblaze.o timer.o traps.o unwind.o obj-y += cpu/ diff --git a/arch/microblaze/kernel/cpu/mb.c b/arch/microblaze/kernel/cpu/mb.c index 4216eb1eaa32..7086e3564281 100644 --- a/arch/microblaze/kernel/cpu/mb.c +++ b/arch/microblaze/kernel/cpu/mb.c @@ -126,6 +126,7 @@ static int show_cpuinfo(struct seq_file *m, void *v) cpuinfo.pvr_user1, cpuinfo.pvr_user2); + count += seq_printf(m, "Page size:\t%lu\n", PAGE_SIZE); return 0; } diff --git a/arch/microblaze/kernel/entry-nommu.S b/arch/microblaze/kernel/entry-nommu.S index 8cc18cd2cce6..ca84368570b6 100644 --- a/arch/microblaze/kernel/entry-nommu.S +++ b/arch/microblaze/kernel/entry-nommu.S @@ -588,3 +588,31 @@ sys_rt_sigsuspend_wrapper: #include "syscall_table.S" syscall_table_size=(.-sys_call_table) + +type_SYSCALL: + .ascii "SYSCALL\0" +type_IRQ: + .ascii "IRQ\0" +type_IRQ_PREEMPT: + .ascii "IRQ (PREEMPTED)\0" +type_SYSCALL_PREEMPT: + .ascii " SYSCALL (PREEMPTED)\0" + + /* + * Trap decoding for stack unwinder + * Tuples are (start addr, end addr, string) + * If return address lies on [start addr, end addr], + * unwinder displays 'string' + */ + + .align 4 +.global microblaze_trap_handlers +microblaze_trap_handlers: + /* Exact matches come first */ + .word ret_to_user ; .word ret_to_user ; .word type_SYSCALL + .word ret_from_intr; .word ret_from_intr ; .word type_IRQ + /* Fuzzy matches go here */ + .word ret_from_intr; .word no_intr_resched; .word type_IRQ_PREEMPT + .word work_pending ; .word no_work_pending; .word type_SYSCALL_PREEMPT + /* End of table */ + .word 0 ; .word 0 ; .word 0 diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S index c0ede25c5b99..ef1caae36445 100644 --- a/arch/microblaze/kernel/entry.S +++ b/arch/microblaze/kernel/entry.S @@ -1127,3 +1127,30 @@ ENTRY(_break) syscall_table_size=(.-sys_call_table) +type_SYSCALL: + .ascii "SYSCALL\0" +type_IRQ: + .ascii "IRQ\0" +type_IRQ_PREEMPT: + .ascii "IRQ (PREEMPTED)\0" +type_SYSCALL_PREEMPT: + .ascii " SYSCALL (PREEMPTED)\0" + + /* + * Trap decoding for stack unwinder + * Tuples are (start addr, end addr, string) + * If return address lies on [start addr, end addr], + * unwinder displays 'string' + */ + + .align 4 +.global microblaze_trap_handlers +microblaze_trap_handlers: + /* Exact matches come first */ + .word ret_from_trap; .word ret_from_trap ; .word type_SYSCALL + .word ret_from_irq ; .word ret_from_irq ; .word type_IRQ + /* Fuzzy matches go here */ + .word ret_from_irq ; .word no_intr_resched ; .word type_IRQ_PREEMPT + .word ret_from_trap; .word TRAP_return ; .word type_SYSCALL_PREEMPT + /* End of table */ + .word 0 ; .word 0 ; .word 0 diff --git a/arch/microblaze/kernel/head.S b/arch/microblaze/kernel/head.S index 1bf739888260..42434008209e 100644 --- a/arch/microblaze/kernel/head.S +++ b/arch/microblaze/kernel/head.S @@ -43,10 +43,10 @@ .global empty_zero_page .align 12 empty_zero_page: - .space 4096 + .space PAGE_SIZE .global swapper_pg_dir swapper_pg_dir: - .space 4096 + .space PAGE_SIZE #endif /* CONFIG_MMU */ diff --git a/arch/microblaze/kernel/hw_exception_handler.S b/arch/microblaze/kernel/hw_exception_handler.S index 995a2123635b..781195438ee6 100644 --- a/arch/microblaze/kernel/hw_exception_handler.S +++ b/arch/microblaze/kernel/hw_exception_handler.S @@ -78,9 +78,6 @@ #include <asm/asm-offsets.h> /* Helpful Macros */ -#ifndef CONFIG_MMU -#define EX_HANDLER_STACK_SIZ (4*19) -#endif #define NUM_TO_REG(num) r ## num #ifdef CONFIG_MMU @@ -988,6 +985,7 @@ ex_unaligned_fixup: .end _unaligned_data_exception #endif /* CONFIG_MMU */ +.global ex_handler_unhandled ex_handler_unhandled: /* FIXME add handle function for unhandled exception - dump register */ bri 0 diff --git a/arch/microblaze/kernel/irq.c b/arch/microblaze/kernel/irq.c index 8f120aca123d..842ef4950500 100644 --- a/arch/microblaze/kernel/irq.c +++ b/arch/microblaze/kernel/irq.c @@ -36,6 +36,7 @@ static u32 concurrent_irq; void __irq_entry do_IRQ(struct pt_regs *regs) { unsigned int irq; + trace_hardirqs_off(); struct pt_regs *old_regs = set_irq_regs(regs); irq_enter(); @@ -53,6 +54,7 @@ next_irq: irq_exit(); set_irq_regs(old_regs); + trace_hardirqs_on(); } int show_interrupts(struct seq_file *p, void *v) diff --git a/arch/microblaze/kernel/ptrace.c b/arch/microblaze/kernel/ptrace.c index a4a7770c6140..dc03ffc8174a 100644 --- a/arch/microblaze/kernel/ptrace.c +++ b/arch/microblaze/kernel/ptrace.c @@ -38,6 +38,8 @@ #include <asm/processor.h> #include <linux/uaccess.h> #include <asm/asm-offsets.h> +#include <asm/cacheflush.h> +#include <asm/io.h> /* Returns the address where the register at REG_OFFS in P is stashed away. */ static microblaze_reg_t *reg_save_addr(unsigned reg_offs, @@ -101,8 +103,21 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) microblaze_reg_t *reg_addr = reg_save_addr(addr, child); if (request == PTRACE_PEEKUSR) val = *reg_addr; - else + else { +#if 1 *reg_addr = data; +#else + /* MS potential problem on WB system + * Be aware that reg_addr is virtual address + * virt_to_phys conversion is necessary. + * This could be sensible solution. + */ + u32 paddr = virt_to_phys((u32)reg_addr); + invalidate_icache_range(paddr, paddr + 4); + *reg_addr = data; + flush_dcache_range(paddr, paddr + 4); +#endif + } } else rval = -EIO; diff --git a/arch/microblaze/kernel/stacktrace.c b/arch/microblaze/kernel/stacktrace.c index 123692f22647..84bc6686102c 100644 --- a/arch/microblaze/kernel/stacktrace.c +++ b/arch/microblaze/kernel/stacktrace.c @@ -14,52 +14,18 @@ #include <linux/thread_info.h> #include <linux/ptrace.h> #include <linux/module.h> +#include <asm/unwind.h> -/* FIXME initial support */ void save_stack_trace(struct stack_trace *trace) { - unsigned long *sp; - unsigned long addr; - asm("addik %0, r1, 0" : "=r" (sp)); - - while (!kstack_end(sp)) { - addr = *sp++; - if (__kernel_text_address(addr)) { - if (trace->skip > 0) - trace->skip--; - else - trace->entries[trace->nr_entries++] = addr; - - if (trace->nr_entries >= trace->max_entries) - break; - } - } + /* Exclude our helper functions from the trace*/ + trace->skip += 2; + microblaze_unwind(NULL, trace); } EXPORT_SYMBOL_GPL(save_stack_trace); void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace) { - unsigned int *sp; - unsigned long addr; - - struct thread_info *ti = task_thread_info(tsk); - - if (tsk == current) - asm("addik %0, r1, 0" : "=r" (sp)); - else - sp = (unsigned int *)ti->cpu_context.r1; - - while (!kstack_end(sp)) { - addr = *sp++; - if (__kernel_text_address(addr)) { - if (trace->skip > 0) - trace->skip--; - else - trace->entries[trace->nr_entries++] = addr; - - if (trace->nr_entries >= trace->max_entries) - break; - } - } + microblaze_unwind(tsk, trace); } EXPORT_SYMBOL_GPL(save_stack_trace_tsk); diff --git a/arch/microblaze/kernel/traps.c b/arch/microblaze/kernel/traps.c index 75e49202a5ed..ba034d421ec2 100644 --- a/arch/microblaze/kernel/traps.c +++ b/arch/microblaze/kernel/traps.c @@ -16,13 +16,14 @@ #include <asm/exceptions.h> #include <asm/system.h> +#include <asm/unwind.h> void trap_init(void) { __enable_hw_exceptions(); } -static unsigned long kstack_depth_to_print = 24; +static unsigned long kstack_depth_to_print; /* 0 == entire stack */ static int __init kstack_setup(char *s) { @@ -30,31 +31,47 @@ static int __init kstack_setup(char *s) } __setup("kstack=", kstack_setup); -void show_trace(struct task_struct *task, unsigned long *stack) +void show_stack(struct task_struct *task, unsigned long *sp) { - unsigned long addr; - - if (!stack) - stack = (unsigned long *)&stack; + unsigned long words_to_show; + u32 fp = (u32) sp; + + if (fp == 0) { + if (task) { + fp = ((struct thread_info *) + (task->stack))->cpu_context.r1; + } else { + /* Pick up caller of dump_stack() */ + fp = (u32)&sp - 8; + } + } - printk(KERN_NOTICE "Call Trace: "); -#ifdef CONFIG_KALLSYMS - printk(KERN_NOTICE "\n"); -#endif - while (!kstack_end(stack)) { - addr = *stack++; - /* - * If the address is either in the text segment of the - * kernel, or in the region which contains vmalloc'ed - * memory, it *may* be the address of a calling - * routine; if so, print it so that someone tracing - * down the cause of the crash will be able to figure - * out the call path that was taken. - */ - if (kernel_text_address(addr)) - print_ip_sym(addr); + words_to_show = (THREAD_SIZE - (fp & (THREAD_SIZE - 1))) >> 2; + if (kstack_depth_to_print && (words_to_show > kstack_depth_to_print)) + words_to_show = kstack_depth_to_print; + + pr_info("Kernel Stack:\n"); + + /* + * Make the first line an 'odd' size if necessary to get + * remaining lines to start at an address multiple of 0x10 + */ + if (fp & 0xF) { + unsigned long line1_words = (0x10 - (fp & 0xF)) >> 2; + if (line1_words < words_to_show) { + print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS, 32, + 4, (void *)fp, line1_words << 2, 0); + fp += line1_words << 2; + words_to_show -= line1_words; + } } - printk(KERN_NOTICE "\n"); + print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS, 32, 4, (void *)fp, + words_to_show << 2, 0); + printk(KERN_INFO "\n\n"); + + pr_info("Call Trace:\n"); + microblaze_unwind(task, NULL); + pr_info("\n"); if (!task) task = current; @@ -62,34 +79,6 @@ void show_trace(struct task_struct *task, unsigned long *stack) debug_show_held_locks(task); } -void show_stack(struct task_struct *task, unsigned long *sp) -{ - unsigned long *stack; - int i; - - if (sp == NULL) { - if (task) - sp = (unsigned long *) ((struct thread_info *) - (task->stack))->cpu_context.r1; - else - sp = (unsigned long *)&sp; - } - - stack = sp; - - printk(KERN_INFO "\nStack:\n "); - - for (i = 0; i < kstack_depth_to_print; i++) { - if (kstack_end(sp)) - break; - if (i && ((i % 8) == 0)) - printk("\n "); - printk("%08lx ", *sp++); - } - printk("\n"); - show_trace(task, stack); -} - void dump_stack(void) { show_stack(NULL, NULL); diff --git a/arch/microblaze/kernel/unwind.c b/arch/microblaze/kernel/unwind.c new file mode 100644 index 000000000000..fefac5c33586 --- /dev/null +++ b/arch/microblaze/kernel/unwind.c @@ -0,0 +1,318 @@ +/* + * Backtrace support for Microblaze + * + * Copyright (C) 2010 Digital Design Corporation + * + * Based on arch/sh/kernel/cpu/sh5/unwind.c code which is: + * Copyright (C) 2004 Paul Mundt + * Copyright (C) 2004 Richard Curnow + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +/* #define DEBUG 1 */ +#include <linux/kallsyms.h> +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/stacktrace.h> +#include <linux/types.h> +#include <linux/errno.h> +#include <linux/module.h> +#include <linux/io.h> +#include <asm/sections.h> +#include <asm/exceptions.h> +#include <asm/unwind.h> + +struct stack_trace; + +/* + * On Microblaze, finding the previous stack frame is a little tricky. + * At this writing (3/2010), Microblaze does not support CONFIG_FRAME_POINTERS, + * and even if it did, gcc (4.1.2) does not store the frame pointer at + * a consistent offset within each frame. To determine frame size, it is + * necessary to search for the assembly instruction that creates or reclaims + * the frame and extract the size from it. + * + * Microblaze stores the stack pointer in r1, and creates a frame via + * + * addik r1, r1, -FRAME_SIZE + * + * The frame is reclaimed via + * + * addik r1, r1, FRAME_SIZE + * + * Frame creation occurs at or near the top of a function. + * Depending on the compiler, reclaim may occur at the end, or before + * a mid-function return. + * + * A stack frame is usually not created in a leaf function. + * + */ + +/** + * get_frame_size - Extract the stack adjustment from an + * "addik r1, r1, adjust" instruction + * @instr : Microblaze instruction + * + * Return - Number of stack bytes the instruction reserves or reclaims + */ +inline long get_frame_size(unsigned long instr) +{ + return abs((s16)(instr & 0xFFFF)); +} + +/** + * find_frame_creation - Search backward to find the instruction that creates + * the stack frame (hopefully, for the same function the + * initial PC is in). + * @pc : Program counter at which to begin the search + * + * Return - PC at which stack frame creation occurs + * NULL if this cannot be found, i.e. a leaf function + */ +static unsigned long *find_frame_creation(unsigned long *pc) +{ + int i; + + /* NOTE: Distance to search is arbitrary + * 250 works well for most things, + * 750 picks up things like tcp_recvmsg(), + * 1000 needed for fat_fill_super() + */ + for (i = 0; i < 1000; i++, pc--) { + unsigned long instr; + s16 frame_size; + + if (!kernel_text_address((unsigned long) pc)) + return NULL; + + instr = *pc; + + /* addik r1, r1, foo ? */ + if ((instr & 0xFFFF0000) != 0x30210000) + continue; /* No */ + + frame_size = get_frame_size(instr); + if ((frame_size < 8) || (frame_size & 3)) { + pr_debug(" Invalid frame size %d at 0x%p\n", + frame_size, pc); + return NULL; + } + + pr_debug(" Found frame creation at 0x%p, size %d\n", pc, + frame_size); + return pc; + } + + return NULL; +} + +/** + * lookup_prev_stack_frame - Find the stack frame of the previous function. + * @fp : Frame (stack) pointer for current function + * @pc : Program counter within current function + * @leaf_return : r15 value within current function. If the current function + * is a leaf, this is the caller's return address. + * @pprev_fp : On exit, set to frame (stack) pointer for previous function + * @pprev_pc : On exit, set to current function caller's return address + * + * Return - 0 on success, -EINVAL if the previous frame cannot be found + */ +static int lookup_prev_stack_frame(unsigned long fp, unsigned long pc, + unsigned long leaf_return, + unsigned long *pprev_fp, + unsigned long *pprev_pc) +{ + unsigned long *prologue = NULL; + + /* _switch_to is a special leaf function */ + if (pc != (unsigned long) &_switch_to) + prologue = find_frame_creation((unsigned long *)pc); + + if (prologue) { + long frame_size = get_frame_size(*prologue); + + *pprev_fp = fp + frame_size; + *pprev_pc = *(unsigned long *)fp; + } else { + if (!leaf_return) + return -EINVAL; + *pprev_pc = leaf_return; + *pprev_fp = fp; + } + + /* NOTE: don't check kernel_text_address here, to allow display + * of userland return address + */ + return (!*pprev_pc || (*pprev_pc & 3)) ? -EINVAL : 0; +} + +static void microblaze_unwind_inner(struct task_struct *task, + unsigned long pc, unsigned long fp, + unsigned long leaf_return, + struct stack_trace *trace); + +/** + * unwind_trap - Unwind through a system trap, that stored previous state + * on the stack. + */ +#ifdef CONFIG_MMU +static inline void unwind_trap(struct task_struct *task, unsigned long pc, + unsigned long fp, struct stack_trace *trace) +{ + /* To be implemented */ +} +#else +static inline void unwind_trap(struct task_struct *task, unsigned long pc, + unsigned long fp, struct stack_trace *trace) +{ + const struct pt_regs *regs = (const struct pt_regs *) fp; + microblaze_unwind_inner(task, regs->pc, regs->r1, regs->r15, trace); +} +#endif + +/** + * microblaze_unwind_inner - Unwind the stack from the specified point + * @task : Task whose stack we are to unwind (may be NULL) + * @pc : Program counter from which we start unwinding + * @fp : Frame (stack) pointer from which we start unwinding + * @leaf_return : Value of r15 at pc. If the function is a leaf, this is + * the caller's return address. + * @trace : Where to store stack backtrace (PC values). + * NULL == print backtrace to kernel log + */ +void microblaze_unwind_inner(struct task_struct *task, + unsigned long pc, unsigned long fp, + unsigned long leaf_return, + struct stack_trace *trace) +{ + int ofs = 0; + + pr_debug(" Unwinding with PC=%p, FP=%p\n", (void *)pc, (void *)fp); + if (!pc || !fp || (pc & 3) || (fp & 3)) { + pr_debug(" Invalid state for unwind, aborting\n"); + return; + } + for (; pc != 0;) { + unsigned long next_fp, next_pc = 0; + unsigned long return_to = pc + 2 * sizeof(unsigned long); + const struct trap_handler_info *handler = + µblaze_trap_handlers; + + /* Is previous function the HW exception handler? */ + if ((return_to >= (unsigned long)&_hw_exception_handler) + &&(return_to < (unsigned long)&ex_handler_unhandled)) { + /* + * HW exception handler doesn't save all registers, + * so we open-code a special case of unwind_trap() + */ +#ifndef CONFIG_MMU + const struct pt_regs *regs = + (const struct pt_regs *) fp; +#endif + pr_info("HW EXCEPTION\n"); +#ifndef CONFIG_MMU + microblaze_unwind_inner(task, regs->r17 - 4, + fp + EX_HANDLER_STACK_SIZ, + regs->r15, trace); +#endif + return; + } + + /* Is previous function a trap handler? */ + for (; handler->start_addr; ++handler) { + if ((return_to >= handler->start_addr) + && (return_to <= handler->end_addr)) { + if (!trace) + pr_info("%s\n", handler->trap_name); + unwind_trap(task, pc, fp, trace); + return; + } + } + pc -= ofs; + + if (trace) { +#ifdef CONFIG_STACKTRACE + if (trace->skip > 0) + trace->skip--; + else + trace->entries[trace->nr_entries++] = pc; + + if (trace->nr_entries >= trace->max_entries) + break; +#endif + } else { + /* Have we reached userland? */ + if (unlikely(pc == task_pt_regs(task)->pc)) { + pr_info("[<%p>] PID %lu [%s]\n", + (void *) pc, + (unsigned long) task->pid, + task->comm); + break; + } else + print_ip_sym(pc); + } + + /* Stop when we reach anything not part of the kernel */ + if (!kernel_text_address(pc)) + break; + + if (lookup_prev_stack_frame(fp, pc, leaf_return, &next_fp, + &next_pc) == 0) { + ofs = sizeof(unsigned long); + pc = next_pc & ~3; + fp = next_fp; + leaf_return = 0; + } else { + pr_debug(" Failed to find previous stack frame\n"); + break; + } + + pr_debug(" Next PC=%p, next FP=%p\n", + (void *)next_pc, (void *)next_fp); + } +} + +/** + * microblaze_unwind - Stack unwinder for Microblaze (external entry point) + * @task : Task whose stack we are to unwind (NULL == current) + * @trace : Where to store stack backtrace (PC values). + * NULL == print backtrace to kernel log + */ +void microblaze_unwind(struct task_struct *task, struct stack_trace *trace) +{ + if (task) { + if (task == current) { + const struct pt_regs *regs = task_pt_regs(task); + microblaze_unwind_inner(task, regs->pc, regs->r1, + regs->r15, trace); + } else { + struct thread_info *thread_info = + (struct thread_info *)(task->stack); + const struct cpu_context *cpu_context = + &thread_info->cpu_context; + + microblaze_unwind_inner(task, + (unsigned long) &_switch_to, + cpu_context->r1, + cpu_context->r15, trace); + } + } else { + unsigned long pc, fp; + + __asm__ __volatile__ ("or %0, r1, r0" : "=r" (fp)); + + __asm__ __volatile__ ( + "brlid %0, 0f;" + "nop;" + "0:" + : "=r" (pc) + ); + + /* Since we are not a leaf function, use leaf_return = 0 */ + microblaze_unwind_inner(current, pc, fp, 0, trace); + } +} + diff --git a/arch/microblaze/kernel/vmlinux.lds.S b/arch/microblaze/kernel/vmlinux.lds.S index db72d7124602..b0de1a6b5513 100644 --- a/arch/microblaze/kernel/vmlinux.lds.S +++ b/arch/microblaze/kernel/vmlinux.lds.S @@ -55,7 +55,7 @@ SECTIONS { */ .sdata2 : AT(ADDR(.sdata2) - LOAD_OFFSET) { _ssrw = .; - . = ALIGN(4096); /* page aligned when MMU used - origin 0x8 */ + . = ALIGN(PAGE_SIZE); /* page aligned when MMU used */ *(.sdata2) . = ALIGN(8); _essrw = .; @@ -70,7 +70,7 @@ SECTIONS { /* Reserve some low RAM for r0 based memory references */ . = ALIGN(0x4) ; r0_ram = . ; - . = . + 4096; /* a page should be enough */ + . = . + PAGE_SIZE; /* a page should be enough */ /* Under the microblaze ABI, .sdata and .sbss must be contiguous */ . = ALIGN(8); @@ -120,7 +120,7 @@ SECTIONS { __init_end_before_initramfs = .; - .init.ramfs ALIGN(4096) : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { + .init.ramfs ALIGN(PAGE_SIZE) : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { __initramfs_start = .; *(.init.ramfs) __initramfs_end = .; @@ -132,11 +132,11 @@ SECTIONS { * so that __init_end == __bss_start. This will make image.elf * consistent with the image.bin */ - /* . = ALIGN(4096); */ + /* . = ALIGN(PAGE_SIZE); */ } __init_end = .; - .bss ALIGN (4096) : AT(ADDR(.bss) - LOAD_OFFSET) { + .bss ALIGN (PAGE_SIZE) : AT(ADDR(.bss) - LOAD_OFFSET) { /* page aligned when MMU used */ __bss_start = . ; *(.bss*) @@ -145,7 +145,7 @@ SECTIONS { __bss_stop = . ; _ebss = . ; } - . = ALIGN(4096); + . = ALIGN(PAGE_SIZE); _end = .; DISCARDS diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c index cca3579d4268..573b97e7c14b 100644 --- a/arch/microblaze/mm/init.c +++ b/arch/microblaze/mm/init.c @@ -134,13 +134,8 @@ void __init setup_memory(void) * for 4GB of memory, using 4kB pages), plus 1 page * (in case the address isn't page-aligned). */ -#ifndef CONFIG_MMU - map_size = init_bootmem_node(NODE_DATA(0), PFN_UP(TOPHYS((u32)klimit)), - min_low_pfn, max_low_pfn); -#else - map_size = init_bootmem_node(&contig_page_data, + map_size = init_bootmem_node(NODE_DATA(0), PFN_UP(TOPHYS((u32)klimit)), min_low_pfn, max_low_pfn); -#endif lmb_reserve(PFN_UP(TOPHYS((u32)klimit)) << PAGE_SHIFT, map_size); /* free bootmem is whole main memory */ diff --git a/arch/mips/Kbuild b/arch/mips/Kbuild new file mode 100644 index 000000000000..e322d65f33a4 --- /dev/null +++ b/arch/mips/Kbuild @@ -0,0 +1,15 @@ +# Fail on warnings - also for files referenced in subdirs +# -Werror can be disabled for specific files using: +# CFLAGS_<file.o> := -Wno-error +subdir-ccflags-y := -Werror + +# platform specific definitions +include arch/mips/Kbuild.platforms +obj-y := $(platform-y) + +# mips object files +# The object files are linked as core-y files would be linked + +obj-y += kernel/ +obj-y += mm/ +obj-y += math-emu/ diff --git a/arch/mips/Kbuild.platforms b/arch/mips/Kbuild.platforms new file mode 100644 index 000000000000..681b2d4d88f5 --- /dev/null +++ b/arch/mips/Kbuild.platforms @@ -0,0 +1,6 @@ +# All platforms listed in alphabetic order + +platforms += ar7 + +# include the platform specific files +include $(patsubst %, $(srctree)/arch/mips/%/Platform, $(platforms)) diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 0b9c01add0a0..ff71a5480b15 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -209,13 +209,7 @@ endif # # Board-dependent options and extra files # - -# -# Texas Instruments AR7 -# -core-$(CONFIG_AR7) += arch/mips/ar7/ -cflags-$(CONFIG_AR7) += -I$(srctree)/arch/mips/include/asm/mach-ar7 -load-$(CONFIG_AR7) += 0xffffffff94100000 +include $(srctree)/arch/mips/Kbuild.platforms # # Acer PICA 61, Mips Magnum 4000 and Olivetti M700. @@ -706,7 +700,8 @@ head-y := arch/mips/kernel/head.o arch/mips/kernel/init_task.o libs-y += arch/mips/lib/ -core-y += arch/mips/kernel/ arch/mips/mm/ arch/mips/math-emu/ +# See arch/mips/Kbuild for content of core part of the kernel +core-y += arch/mips/ drivers-$(CONFIG_OPROFILE) += arch/mips/oprofile/ @@ -733,35 +728,19 @@ vmlinux.32: vmlinux vmlinux.64: vmlinux $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@ -makeboot =$(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) $(1) -makezboot =$(Q)$(MAKE) $(build)=arch/mips/boot/compressed \ - VMLINUX_LOAD_ADDRESS=$(load-y) 32bit-bfd=$(32bit-bfd) $(1) - all: $(all-y) -vmlinuz: vmlinux FORCE - +@$(call makezboot,$@) - -vmlinuz.bin: vmlinux - +@$(call makezboot,$@) +# boot +vmlinux.bin vmlinux.ecoff vmlinux.srec: $(vmlinux-32) FORCE + $(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) arch/mips/boot/$@ -vmlinuz.ecoff: vmlinux - +@$(call makezboot,$@) +# boot/compressed +vmlinuz vmlinuz.bin vmlinuz.ecoff vmlinuz.srec: $(vmlinux-32) FORCE + $(Q)$(MAKE) $(build)=arch/mips/boot/compressed \ + VMLINUX_LOAD_ADDRESS=$(load-y) 32bit-bfd=$(32bit-bfd) $@ -vmlinuz.srec: vmlinux - +@$(call makezboot,$@) -vmlinux.bin: $(vmlinux-32) - +@$(call makeboot,$@) - -vmlinux.ecoff: $(vmlinux-32) - +@$(call makeboot,$@) - -vmlinux.srec: $(vmlinux-32) - +@$(call makeboot,$@) - -CLEAN_FILES += vmlinux.ecoff \ - vmlinux.srec +CLEAN_FILES += vmlinux.32 vmlinux.64 archprepare: ifdef CONFIG_MIPS32_N32 @@ -780,9 +759,9 @@ install: $(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE) archclean: - @$(MAKE) $(clean)=arch/mips/boot - @$(MAKE) $(clean)=arch/mips/boot/compressed - @$(MAKE) $(clean)=arch/mips/lasat + $(Q)$(MAKE) $(clean)=arch/mips/boot + $(Q)$(MAKE) $(clean)=arch/mips/boot/compressed + $(Q)$(MAKE) $(clean)=arch/mips/lasat define archhelp echo ' install - install kernel into $(INSTALL_PATH)' @@ -796,11 +775,3 @@ define archhelp echo echo ' These will be default as apropriate for a configured platform.' endef - -CLEAN_FILES += vmlinux.32 \ - vmlinux.64 \ - vmlinux.ecoff \ - vmlinuz \ - vmlinuz.ecoff \ - vmlinuz.bin \ - vmlinuz.srec diff --git a/arch/mips/ar7/Platform b/arch/mips/ar7/Platform new file mode 100644 index 000000000000..0bf85c416c6c --- /dev/null +++ b/arch/mips/ar7/Platform @@ -0,0 +1,6 @@ +# +# Texas Instruments AR7 +# +platform-$(CONFIG_AR7) += ar7/ +cflags-$(CONFIG_AR7) += -I$(srctree)/arch/mips/include/asm/mach-ar7 +load-$(CONFIG_AR7) += 0xffffffff94100000 diff --git a/arch/mips/boot/Makefile b/arch/mips/boot/Makefile index e39a08edcaaa..85bcb5adc7cb 100644 --- a/arch/mips/boot/Makefile +++ b/arch/mips/boot/Makefile @@ -11,35 +11,32 @@ # Some DECstations need all possible sections of an ECOFF executable # ifdef CONFIG_MACH_DECSTATION - E2EFLAGS = -a -else - E2EFLAGS = + e2eflag := -a endif # # Drop some uninteresting sections in the kernel. # This is only relevant for ELF kernels but doesn't hurt a.out # -drop-sections = .reginfo .mdebug .comment .note .pdr .options .MIPS.options -strip-flags = $(addprefix --remove-section=,$(drop-sections)) - -VMLINUX = vmlinux - -all: vmlinux.ecoff vmlinux.srec - -vmlinux.ecoff: $(obj)/elf2ecoff $(VMLINUX) - $(obj)/elf2ecoff $(VMLINUX) $(obj)/vmlinux.ecoff $(E2EFLAGS) - -$(obj)/elf2ecoff: $(obj)/elf2ecoff.c - $(HOSTCC) -o $@ $^ - -vmlinux.bin: $(VMLINUX) - $(OBJCOPY) -O binary $(strip-flags) $(VMLINUX) $(obj)/vmlinux.bin - -vmlinux.srec: $(VMLINUX) - $(OBJCOPY) -S -O srec $(strip-flags) $(VMLINUX) $(obj)/vmlinux.srec - -clean-files += elf2ecoff \ - vmlinux.bin \ - vmlinux.ecoff \ - vmlinux.srec +drop-sections := .reginfo .mdebug .comment .note .pdr .options .MIPS.options +strip-flags := $(addprefix --remove-section=,$(drop-sections)) + +hostprogs-y := elf2ecoff + +targets := vmlinux.ecoff +quiet_cmd_ecoff = ECOFF $@ + cmd_ecoff = $(obj)/elf2ecoff $(VMLINUX) $@ $(e2eflag) +$(obj)/vmlinux.ecoff: $(obj)/elf2ecoff $(VMLINUX) FORCE + $(call if_changed,ecoff) + +targets += vmlinux.bin +quiet_cmd_bin = OBJCOPY $@ + cmd_bin = $(OBJCOPY) -O binary $(strip-flags) $(VMLINUX) $@ +$(obj)/vmlinux.bin: $(VMLINUX) FORCE + $(call if_changed,bin) + +targets += vmlinux.srec +quiet_cmd_srec = OBJCOPY $@ + cmd_srec = $(OBJCOPY) -S -O srec $(strip-flags) $(VMLINUX) $@ +$(obj)/vmlinux.srec: $(VMLINUX) FORCE + $(call if_changed,srec) diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile index 790ddd397620..74a52d799346 100644 --- a/arch/mips/boot/compressed/Makefile +++ b/arch/mips/boot/compressed/Makefile @@ -33,15 +33,19 @@ KBUILD_AFLAGS := $(LINUXINCLUDE) $(KBUILD_AFLAGS) -D__ASSEMBLY__ \ -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) \ -DKERNEL_ENTRY=0x$(shell $(NM) $(objtree)/$(KBUILD_IMAGE) 2>/dev/null | grep " kernel_entry" | cut -f1 -d \ ) -obj-y := $(obj)/head.o $(obj)/decompress.o $(obj)/dbg.o +targets := head.o decompress.o dbg.o uart-16550.o uart-alchemy.o + +# decompressor objects (linked with vmlinuz) +vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/dbg.o ifdef CONFIG_DEBUG_ZBOOT -obj-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o -obj-$(CONFIG_MACH_ALCHEMY) += $(obj)/uart-alchemy.o +vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o +vmlinuzobjs-$(CONFIG_MACH_ALCHEMY) += $(obj)/uart-alchemy.o endif +targets += vmlinux.bin OBJCOPYFLAGS_vmlinux.bin := $(OBJCOPYFLAGS) -O binary -R .comment -S -$(obj)/vmlinux.bin: $(KBUILD_IMAGE) +$(obj)/vmlinux.bin: $(KBUILD_IMAGE) FORCE $(call if_changed,objcopy) suffix_$(CONFIG_KERNEL_GZIP) = gz @@ -52,30 +56,31 @@ tool_$(CONFIG_KERNEL_GZIP) = gzip tool_$(CONFIG_KERNEL_BZIP2) = bzip2 tool_$(CONFIG_KERNEL_LZMA) = lzma tool_$(CONFIG_KERNEL_LZO) = lzo -$(obj)/vmlinux.$(suffix_y): $(obj)/vmlinux.bin + +targets += vmlinux.gz vmlinux.bz2 vmlinux.lzma vmlinux.lzo +$(obj)/vmlinux.$(suffix_y): $(obj)/vmlinux.bin FORCE $(call if_changed,$(tool_y)) -$(obj)/piggy.o: $(obj)/vmlinux.$(suffix_y) $(obj)/dummy.o - $(Q)$(OBJCOPY) $(OBJCOPYFLAGS) \ - --add-section=.image=$< \ - --set-section-flags=.image=contents,alloc,load,readonly,data \ - $(obj)/dummy.o $@ +targets += piggy.o +OBJCOPYFLAGS_piggy.o := --add-section=.image=$(obj)/vmlinux.$(suffix_y) \ + --set-section-flags=.image=contents,alloc,load,readonly,data +$(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux.$(suffix_y) FORCE + $(call if_changed,objcopy) LDFLAGS_vmlinuz := $(LDFLAGS) -Ttext $(VMLINUZ_LOAD_ADDRESS) -T -vmlinuz: $(src)/ld.script $(obj-y) $(obj)/piggy.o - $(call if_changed,ld) +vmlinuz: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/piggy.o + $(call cmd,ld) $(Q)$(OBJCOPY) $(OBJCOPYFLAGS) $@ # # Some DECstations need all possible sections of an ECOFF executable # ifdef CONFIG_MACH_DECSTATION - E2EFLAGS = -a -else - E2EFLAGS = + e2eflag := -a endif # elf2ecoff can only handle 32bit image +hostprogs-y := ../elf2ecoff ifdef CONFIG_32BIT VMLINUZ = vmlinuz @@ -83,23 +88,22 @@ else VMLINUZ = vmlinuz.32 endif +quiet_cmd_32 = OBJCOPY $@ + cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@ vmlinuz.32: vmlinuz - $(Q)$(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@ + $(call cmd,32) +quiet_cmd_ecoff = ECOFF $@ + cmd_ecoff = $< $(VMLINUZ) $@ $(e2eflag) vmlinuz.ecoff: $(obj)/../elf2ecoff $(VMLINUZ) - $(Q)$(obj)/../elf2ecoff $(VMLINUZ) vmlinuz.ecoff $(E2EFLAGS) - -$(obj)/../elf2ecoff: $(src)/../elf2ecoff.c - $(Q)$(HOSTCC) -o $@ $^ + $(call cmd,ecoff) OBJCOPYFLAGS_vmlinuz.bin := $(OBJCOPYFLAGS) -O binary vmlinuz.bin: vmlinuz - $(call if_changed,objcopy) + $(call cmd,objcopy) OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) -S -O srec vmlinuz.srec: vmlinuz - $(call if_changed,objcopy) + $(call cmd,objcopy) -clean: -clean-files += *.o \ - vmlinu* +clean-files := $(objtree)/vmlinuz.* diff --git a/arch/mips/dec/promcon.c b/arch/mips/dec/promcon.c index 9f0972f5a702..c239c25b79ff 100644 --- a/arch/mips/dec/promcon.c +++ b/arch/mips/dec/promcon.c @@ -33,8 +33,7 @@ static int __init prom_console_setup(struct console *co, char *options) return 0; } -static struct console sercons = -{ +static struct console sercons = { .name = "ttyS", .write = prom_console_write, .setup = prom_console_setup, diff --git a/arch/mips/include/asm/mach-powertv/asic_reg_map.h b/arch/mips/include/asm/mach-powertv/asic_reg_map.h index 6f26cb09828e..20348e817b09 100644 --- a/arch/mips/include/asm/mach-powertv/asic_reg_map.h +++ b/arch/mips/include/asm/mach-powertv/asic_reg_map.h @@ -64,7 +64,7 @@ REGISTER_MAP_ELEMENT(int_level_0_1) REGISTER_MAP_ELEMENT(int_level_0_0) REGISTER_MAP_ELEMENT(int_docsis_en) REGISTER_MAP_ELEMENT(mips_pll_setup) -REGISTER_MAP_ELEMENT(usb_fs) +REGISTER_MAP_ELEMENT(fs432x4b4_usb_ctl) REGISTER_MAP_ELEMENT(test_bus) REGISTER_MAP_ELEMENT(crt_spare) REGISTER_MAP_ELEMENT(usb2_ohci_int_mask) diff --git a/arch/mips/include/asm/mach-powertv/dma-coherence.h b/arch/mips/include/asm/mach-powertv/dma-coherence.h index 5b8d5ebeb838..f76029c2406e 100644 --- a/arch/mips/include/asm/mach-powertv/dma-coherence.h +++ b/arch/mips/include/asm/mach-powertv/dma-coherence.h @@ -65,21 +65,21 @@ static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr, size_t size) { if (is_kseg2(addr)) - return phys_to_bus(virt_to_phys_from_pte(addr)); + return phys_to_dma(virt_to_phys_from_pte(addr)); else - return phys_to_bus(virt_to_phys(addr)); + return phys_to_dma(virt_to_phys(addr)); } static inline dma_addr_t plat_map_dma_mem_page(struct device *dev, struct page *page) { - return phys_to_bus(page_to_phys(page)); + return phys_to_dma(page_to_phys(page)); } static inline unsigned long plat_dma_addr_to_phys(struct device *dev, dma_addr_t dma_addr) { - return bus_to_phys(dma_addr); + return dma_to_phys(dma_addr); } static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr, diff --git a/arch/mips/include/asm/mach-powertv/ioremap.h b/arch/mips/include/asm/mach-powertv/ioremap.h index e6276d5146e8..076f2eeaa575 100644 --- a/arch/mips/include/asm/mach-powertv/ioremap.h +++ b/arch/mips/include/asm/mach-powertv/ioremap.h @@ -10,64 +10,101 @@ #define __ASM_MACH_POWERTV_IOREMAP_H #include <linux/types.h> +#include <linux/log2.h> +#include <linux/compiler.h> -#define LOW_MEM_BOUNDARY_PHYS 0x20000000 -#define LOW_MEM_BOUNDARY_MASK (~(LOW_MEM_BOUNDARY_PHYS - 1)) +#include <asm/pgtable-bits.h> +#include <asm/addrspace.h> + +/* We're going to mess with bits, so get sizes */ +#define IOR_BPC 8 /* Bits per char */ +#define IOR_PHYS_BITS (IOR_BPC * sizeof(phys_addr_t)) +#define IOR_DMA_BITS (IOR_BPC * sizeof(dma_addr_t)) /* - * The bus addresses are different than the physical addresses that - * the processor sees by an offset. This offset varies by ASIC - * version. Define a variable to hold the offset and some macros to - * make the conversion simpler. */ -extern unsigned long phys_to_bus_offset; - -#ifdef CONFIG_HIGHMEM -#define MEM_GAP_PHYS 0x60000000 + * Define the granularity of physical/DMA mapping in terms of the number + * of bits that defines the offset within a grain. These will be the + * least significant bits of the address. The rest of a physical or DMA + * address will be used to index into an appropriate table to find the + * offset to add to the address to yield the corresponding DMA or physical + * address, respectively. + */ +#define IOR_LSBITS 22 /* Bits in a grain */ + /* - * TODO: We will use the hard code for conversion between physical and - * bus until the bootloader releases their device tree to us. + * Compute the number of most significant address bits after removing those + * used for the offset within a grain and then compute the number of table + * entries for the conversion. */ -#define phys_to_bus(x) (((x) < LOW_MEM_BOUNDARY_PHYS) ? \ - ((x) + phys_to_bus_offset) : (x)) -#define bus_to_phys(x) (((x) < MEM_GAP_PHYS_ADDR) ? \ - ((x) - phys_to_bus_offset) : (x)) -#else -#define phys_to_bus(x) ((x) + phys_to_bus_offset) -#define bus_to_phys(x) ((x) - phys_to_bus_offset) -#endif +#define IOR_PHYS_MSBITS (IOR_PHYS_BITS - IOR_LSBITS) +#define IOR_NUM_PHYS_TO_DMA ((phys_addr_t) 1 << IOR_PHYS_MSBITS) + +#define IOR_DMA_MSBITS (IOR_DMA_BITS - IOR_LSBITS) +#define IOR_NUM_DMA_TO_PHYS ((dma_addr_t) 1 << IOR_DMA_MSBITS) /* - * Determine whether the address we are given is for an ASIC device - * Params: addr Address to check - * Returns: Zero if the address is not for ASIC devices, non-zero - * if it is. + * Define data structures used as elements in the arrays for the conversion + * between physical and DMA addresses. We do some slightly fancy math to + * compute the width of the offset element of the conversion tables so + * that we can have the smallest conversion tables. Next, round up the + * sizes to the next higher power of two, i.e. the offset element will have + * 8, 16, 32, 64, etc. bits. This eliminates the need to mask off any + * bits. Finally, we compute a shift value that puts the most significant + * bits of the offset into the most significant bits of the offset element. + * This makes it more efficient on processors without barrel shifters and + * easier to see the values if the conversion table is dumped in binary. */ -static inline int asic_is_device_addr(phys_t addr) +#define _IOR_OFFSET_WIDTH(n) (1 << order_base_2(n)) +#define IOR_OFFSET_WIDTH(n) \ + (_IOR_OFFSET_WIDTH(n) < 8 ? 8 : _IOR_OFFSET_WIDTH(n)) + +#define IOR_PHYS_OFFSET_BITS IOR_OFFSET_WIDTH(IOR_PHYS_MSBITS) +#define IOR_PHYS_SHIFT (IOR_PHYS_BITS - IOR_PHYS_OFFSET_BITS) + +#define IOR_DMA_OFFSET_BITS IOR_OFFSET_WIDTH(IOR_DMA_MSBITS) +#define IOR_DMA_SHIFT (IOR_DMA_BITS - IOR_DMA_OFFSET_BITS) + +struct ior_phys_to_dma { + dma_addr_t offset:IOR_DMA_OFFSET_BITS __packed + __aligned((IOR_DMA_OFFSET_BITS / IOR_BPC)); +}; + +struct ior_dma_to_phys { + dma_addr_t offset:IOR_PHYS_OFFSET_BITS __packed + __aligned((IOR_PHYS_OFFSET_BITS / IOR_BPC)); +}; + +extern struct ior_phys_to_dma _ior_phys_to_dma[IOR_NUM_PHYS_TO_DMA]; +extern struct ior_dma_to_phys _ior_dma_to_phys[IOR_NUM_DMA_TO_PHYS]; + +static inline dma_addr_t _phys_to_dma_offset_raw(phys_addr_t phys) { - return !((phys_t)addr & (phys_t) LOW_MEM_BOUNDARY_MASK); + return (dma_addr_t)_ior_phys_to_dma[phys >> IOR_LSBITS].offset; } -/* - * Determine whether the address we are given is external RAM mappable - * into KSEG1. - * Params: addr Address to check - * Returns: Zero if the address is not for external RAM and - */ -static inline int asic_is_lowmem_ram_addr(phys_t addr) +static inline dma_addr_t _dma_to_phys_offset_raw(dma_addr_t dma) { - /* - * The RAM always starts at the following address in the processor's - * physical address space - */ - static const phys_t phys_ram_base = 0x10000000; - phys_t bus_ram_base; + return (dma_addr_t)_ior_dma_to_phys[dma >> IOR_LSBITS].offset; +} - bus_ram_base = phys_to_bus_offset + phys_ram_base; +/* These are not portable and should not be used in drivers. Drivers should + * be using ioremap() and friends to map physical addreses to virtual + * addresses and dma_map*() and friends to map virtual addresses into DMA + * addresses and back. + */ +static inline dma_addr_t phys_to_dma(phys_addr_t phys) +{ + return phys + (_phys_to_dma_offset_raw(phys) << IOR_PHYS_SHIFT); +} - return addr >= bus_ram_base && - addr < (bus_ram_base + (LOW_MEM_BOUNDARY_PHYS - phys_ram_base)); +static inline phys_addr_t dma_to_phys(dma_addr_t dma) +{ + return dma + (_dma_to_phys_offset_raw(dma) << IOR_DMA_SHIFT); } +extern void ioremap_add_map(dma_addr_t phys, phys_addr_t alias, + dma_addr_t size); + /* * Allow physical addresses to be fixed up to help peripherals located * outside the low 32-bit range -- generic pass-through version. @@ -77,10 +114,50 @@ static inline phys_t fixup_bigphys_addr(phys_t phys_addr, phys_t size) return phys_addr; } -static inline void __iomem *plat_ioremap(phys_t offset, unsigned long size, +/* + * Handle the special case of addresses the area aliased into the first + * 512 MiB of the processor's physical address space. These turn into either + * kseg0 or kseg1 addresses, depending on flags. + */ +static inline void __iomem *plat_ioremap(phys_t start, unsigned long size, unsigned long flags) { - return NULL; + phys_addr_t start_offset; + void __iomem *result = NULL; + + /* Start by checking to see whether this is an aliased address */ + start_offset = _dma_to_phys_offset_raw(start); + + /* + * If: + * o the memory is aliased into the first 512 MiB, and + * o the start and end are in the same RAM bank, and + * o we don't have a zero size or wrap around, and + * o we are supposed to create an uncached mapping, + * handle this is a kseg0 or kseg1 address + */ + if (start_offset != 0) { + phys_addr_t last; + dma_addr_t dma_to_phys_offset; + + last = start + size - 1; + dma_to_phys_offset = + _dma_to_phys_offset_raw(last) << IOR_DMA_SHIFT; + + if (dma_to_phys_offset == start_offset && + size != 0 && start <= last) { + phys_t adjusted_start; + adjusted_start = start + start_offset; + if (flags == _CACHE_UNCACHED) + result = (void __iomem *) (unsigned long) + CKSEG1ADDR(adjusted_start); + else + result = (void __iomem *) (unsigned long) + CKSEG0ADDR(adjusted_start); + } + } + + return result; } static inline int plat_iounmap(const volatile void __iomem *addr) diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile index 7a6ac501cbb5..ff5ec2e0184e 100644 --- a/arch/mips/kernel/Makefile +++ b/arch/mips/kernel/Makefile @@ -101,6 +101,4 @@ obj-$(CONFIG_HAVE_STD_PC_SERIAL_PORT) += 8250-platform.o obj-$(CONFIG_MIPS_CPUFREQ) += cpufreq/ -EXTRA_CFLAGS += -Werror - CPPFLAGS_vmlinux.lds := $(KBUILD_CFLAGS) diff --git a/arch/mips/math-emu/Makefile b/arch/mips/math-emu/Makefile index d547efdeedc2..96607230d9ea 100644 --- a/arch/mips/math-emu/Makefile +++ b/arch/mips/math-emu/Makefile @@ -10,4 +10,3 @@ obj-y := cp1emu.o ieee754m.o ieee754d.o ieee754dp.o ieee754sp.o ieee754.o \ sp_scalb.o sp_simple.o sp_tint.o sp_fint.o sp_tlong.o sp_flong.o \ dp_sqrt.o sp_sqrt.o kernel_linkage.o dsemul.o -EXTRA_CFLAGS += -Werror diff --git a/arch/mips/math-emu/dp_modf.c b/arch/mips/math-emu/dp_modf.c index 25861a42c36f..a8570e5c3efc 100644 --- a/arch/mips/math-emu/dp_modf.c +++ b/arch/mips/math-emu/dp_modf.c @@ -29,7 +29,7 @@ /* modf function is always exact for a finite number */ -ieee754dp ieee754dp_modf(ieee754dp x, ieee754dp * ip) +ieee754dp ieee754dp_modf(ieee754dp x, ieee754dp *ip) { COMPXDP; diff --git a/arch/mips/math-emu/dp_tint.c b/arch/mips/math-emu/dp_tint.c index 77b2b7ccf28a..24478623c117 100644 --- a/arch/mips/math-emu/dp_tint.c +++ b/arch/mips/math-emu/dp_tint.c @@ -69,8 +69,7 @@ int ieee754dp_tint(ieee754dp x) round = 0; sticky = residue != 0; xm = 0; - } - else { + } else { residue = xm << (64 - DP_MBITS + xe); round = (residue >> 63) != 0; sticky = (residue << 1) != 0; diff --git a/arch/mips/math-emu/dp_tlong.c b/arch/mips/math-emu/dp_tlong.c index d71113e07164..0f07ec2be3f9 100644 --- a/arch/mips/math-emu/dp_tlong.c +++ b/arch/mips/math-emu/dp_tlong.c @@ -71,8 +71,7 @@ s64 ieee754dp_tlong(ieee754dp x) round = 0; sticky = residue != 0; xm = 0; - } - else { + } else { /* Shifting a u64 64 times does not work, * so we do it in two steps. Be aware that xe * may be -1 */ diff --git a/arch/mips/math-emu/sp_modf.c b/arch/mips/math-emu/sp_modf.c index 4b1dbac796f8..76568946b4c0 100644 --- a/arch/mips/math-emu/sp_modf.c +++ b/arch/mips/math-emu/sp_modf.c @@ -29,7 +29,7 @@ /* modf function is always exact for a finite number */ -ieee754sp ieee754sp_modf(ieee754sp x, ieee754sp * ip) +ieee754sp ieee754sp_modf(ieee754sp x, ieee754sp *ip) { COMPXSP; diff --git a/arch/mips/math-emu/sp_tint.c b/arch/mips/math-emu/sp_tint.c index 1d73d2abe0b5..352dc3a5f1af 100644 --- a/arch/mips/math-emu/sp_tint.c +++ b/arch/mips/math-emu/sp_tint.c @@ -72,8 +72,7 @@ int ieee754sp_tint(ieee754sp x) round = 0; sticky = residue != 0; xm = 0; - } - else { + } else { /* Shifting a u32 32 times does not work, * so we do it in two steps. Be aware that xe * may be -1 */ diff --git a/arch/mips/math-emu/sp_tlong.c b/arch/mips/math-emu/sp_tlong.c index 4be21aa81fbf..92cd9c511a10 100644 --- a/arch/mips/math-emu/sp_tlong.c +++ b/arch/mips/math-emu/sp_tlong.c @@ -71,8 +71,7 @@ s64 ieee754sp_tlong(ieee754sp x) round = 0; sticky = residue != 0; xm = 0; - } - else { + } else { residue = xm << (32 - SP_MBITS + xe); round = (residue >> 31) != 0; sticky = (residue << 1) != 0; diff --git a/arch/mips/mm/Makefile b/arch/mips/mm/Makefile index f0e435599707..d679c772d082 100644 --- a/arch/mips/mm/Makefile +++ b/arch/mips/mm/Makefile @@ -34,5 +34,3 @@ obj-$(CONFIG_IP22_CPU_SCACHE) += sc-ip22.o obj-$(CONFIG_R5000_CPU_SCACHE) += sc-r5k.o obj-$(CONFIG_RM7000_CPU_SCACHE) += sc-rm7k.o obj-$(CONFIG_MIPS_CPU_SCACHE) += sc-mips.o - -EXTRA_CFLAGS += -Werror diff --git a/arch/mips/pci/ops-titan-ht.c b/arch/mips/pci/ops-titan-ht.c index 749c1922d420..57d54adc9e20 100644 --- a/arch/mips/pci/ops-titan-ht.c +++ b/arch/mips/pci/ops-titan-ht.c @@ -32,7 +32,7 @@ #include <asm/titan_dep.h> static int titan_ht_config_read_dword(struct pci_bus *bus, unsigned int devfn, - int offset, u32 * val) + int offset, u32 *val) { volatile uint32_t address; int busno; @@ -64,7 +64,7 @@ static int titan_ht_config_read_dword(struct pci_bus *bus, unsigned int devfn, } static int titan_ht_config_read(struct pci_bus *bus, unsigned int devfn, - int offset, int size, u32 * val) + int offset, int size, u32 *val) { uint32_t dword; diff --git a/arch/mips/pmc-sierra/yosemite/ht-irq.c b/arch/mips/pmc-sierra/yosemite/ht-irq.c index 5aec4057314e..86b98e98fb4f 100644 --- a/arch/mips/pmc-sierra/yosemite/ht-irq.c +++ b/arch/mips/pmc-sierra/yosemite/ht-irq.c @@ -35,18 +35,17 @@ */ void __init titan_ht_pcibios_fixup_bus(struct pci_bus *bus) { - struct pci_bus *current_bus = bus; - struct pci_dev *devices; - struct list_head *devices_link; + struct pci_bus *current_bus = bus; + struct pci_dev *devices; + struct list_head *devices_link; list_for_each(devices_link, &(current_bus->devices)) { - devices = pci_dev_b(devices_link); - if (devices == NULL) - continue; + devices = pci_dev_b(devices_link); + if (devices == NULL) + continue; } /* * PLX and SPKT related changes go here */ - } diff --git a/arch/mips/powertv/Makefile b/arch/mips/powertv/Makefile index 0a0d73c0564f..e9fe1c6efe16 100644 --- a/arch/mips/powertv/Makefile +++ b/arch/mips/powertv/Makefile @@ -23,6 +23,7 @@ # under Linux. # -obj-y += init.o memory.o reset.o time.o powertv_setup.o asic/ pci/ +obj-y += init.o ioremap.o memory.o powertv_setup.o reset.o time.o \ + asic/ pci/ EXTRA_CFLAGS += -Wall -Werror diff --git a/arch/mips/powertv/asic/asic-calliope.c b/arch/mips/powertv/asic/asic-calliope.c index 1ae6623444b2..0a170e0ffeaa 100644 --- a/arch/mips/powertv/asic/asic-calliope.c +++ b/arch/mips/powertv/asic/asic-calliope.c @@ -77,7 +77,7 @@ const struct register_map calliope_register_map __initdata = { .int_docsis_en = {.phys = CALLIOPE_ADDR(0xA028F4)}, .mips_pll_setup = {.phys = CALLIOPE_ADDR(0x980000)}, - .usb_fs = {.phys = CALLIOPE_ADDR(0x980030)}, + .fs432x4b4_usb_ctl = {.phys = CALLIOPE_ADDR(0x980030)}, .test_bus = {.phys = CALLIOPE_ADDR(0x9800CC)}, .crt_spare = {.phys = CALLIOPE_ADDR(0x9800d4)}, .usb2_ohci_int_mask = {.phys = CALLIOPE_ADDR(0x9A000c)}, diff --git a/arch/mips/powertv/asic/asic-cronus.c b/arch/mips/powertv/asic/asic-cronus.c index 5bb64bfb508b..bbc0c122be5e 100644 --- a/arch/mips/powertv/asic/asic-cronus.c +++ b/arch/mips/powertv/asic/asic-cronus.c @@ -77,13 +77,13 @@ const struct register_map cronus_register_map __initdata = { .int_docsis_en = {.phys = CRONUS_ADDR(0x2A28F4)}, .mips_pll_setup = {.phys = CRONUS_ADDR(0x1C0000)}, - .usb_fs = {.phys = CRONUS_ADDR(0x1C0018)}, + .fs432x4b4_usb_ctl = {.phys = CRONUS_ADDR(0x1C0028)}, .test_bus = {.phys = CRONUS_ADDR(0x1C00CC)}, .crt_spare = {.phys = CRONUS_ADDR(0x1c00d4)}, .usb2_ohci_int_mask = {.phys = CRONUS_ADDR(0x20000C)}, .usb2_strap = {.phys = CRONUS_ADDR(0x200014)}, .ehci_hcapbase = {.phys = CRONUS_ADDR(0x21FE00)}, - .ohci_hc_revision = {.phys = CRONUS_ADDR(0x1E0000)}, + .ohci_hc_revision = {.phys = CRONUS_ADDR(0x21fc00)}, .bcm1_bs_lmi_steer = {.phys = CRONUS_ADDR(0x2E0008)}, .usb2_control = {.phys = CRONUS_ADDR(0x2E004C)}, .usb2_stbus_obc = {.phys = CRONUS_ADDR(0x21FF00)}, diff --git a/arch/mips/powertv/asic/asic-zeus.c b/arch/mips/powertv/asic/asic-zeus.c index 095cbe10ebb9..4a05bb096476 100644 --- a/arch/mips/powertv/asic/asic-zeus.c +++ b/arch/mips/powertv/asic/asic-zeus.c @@ -77,7 +77,7 @@ const struct register_map zeus_register_map __initdata = { .int_docsis_en = {.phys = ZEUS_ADDR(0x2828F4)}, .mips_pll_setup = {.phys = ZEUS_ADDR(0x1a0000)}, - .usb_fs = {.phys = ZEUS_ADDR(0x1a0018)}, + .fs432x4b4_usb_ctl = {.phys = ZEUS_ADDR(0x1a0018)}, .test_bus = {.phys = ZEUS_ADDR(0x1a0238)}, .crt_spare = {.phys = ZEUS_ADDR(0x1a0090)}, .usb2_ohci_int_mask = {.phys = ZEUS_ADDR(0x1e000c)}, diff --git a/arch/mips/powertv/asic/asic_devices.c b/arch/mips/powertv/asic/asic_devices.c index 8ee77887306a..2276c18eb73b 100644 --- a/arch/mips/powertv/asic/asic_devices.c +++ b/arch/mips/powertv/asic/asic_devices.c @@ -80,8 +80,8 @@ static bool usb_configured; * Don't recommend to use it directly, it is usually used by kernel internally. * Portable code should be using interfaces such as ioremp, dma_map_single, etc. */ -unsigned long phys_to_bus_offset; -EXPORT_SYMBOL(phys_to_bus_offset); +unsigned long phys_to_dma_offset; +EXPORT_SYMBOL(phys_to_dma_offset); /* * @@ -180,9 +180,9 @@ static void __init fs_update(int pe, int md, int sdiv, int disable_div_by_3) val = ((sdiv << 29) | (md << 24) | (pe<<8) | (sout<<3) | (byp<<2) | (nsb<<1) | (disable_div_by_3<<5)); - asic_write(val, usb_fs); - asic_write(val | (en_prg<<4), usb_fs); - asic_write(val | (en_prg<<4) | pwr, usb_fs); + asic_write(val, fs432x4b4_usb_ctl); + asic_write(val | (en_prg<<4), fs432x4b4_usb_ctl); + asic_write(val | (en_prg<<4) | pwr, fs432x4b4_usb_ctl); } /* @@ -532,10 +532,10 @@ void __init configure_platform(void) switch (asic) { case ASIC_ZEUS: - phys_to_bus_offset = 0x30000000; + phys_to_dma_offset = 0x30000000; break; case ASIC_CALLIOPE: - phys_to_bus_offset = 0x10000000; + phys_to_dma_offset = 0x10000000; break; case ASIC_CRONUSLITE: /* Fall through */ @@ -545,10 +545,10 @@ void __init configure_platform(void) * 0x2XXXXXXX. If 0x10000000 aliases into 0x60000000- * 0x6XXXXXXX, the offset should be 0x50000000, not 0x10000000. */ - phys_to_bus_offset = 0x10000000; + phys_to_dma_offset = 0x10000000; break; default: - phys_to_bus_offset = 0x00000000; + phys_to_dma_offset = 0x00000000; break; } } @@ -602,7 +602,7 @@ void __init platform_alloc_bootmem(void) int size = gp_resources[i].end - gp_resources[i].start + 1; if ((gp_resources[i].start != 0) && ((gp_resources[i].flags & IORESOURCE_MEM) != 0)) { - reserve_bootmem(bus_to_phys(gp_resources[i].start), + reserve_bootmem(dma_to_phys(gp_resources[i].start), size, 0); total += gp_resources[i].end - gp_resources[i].start + 1; @@ -626,7 +626,7 @@ void __init platform_alloc_bootmem(void) else { gp_resources[i].start = - phys_to_bus(virt_to_phys(mem)); + phys_to_dma(virt_to_phys(mem)); gp_resources[i].end = gp_resources[i].start + size - 1; total += size; @@ -690,7 +690,7 @@ static void __init pmem_setup_resource(void) if (resource && pmemaddr && pmemlen) { /* The address provided by bootloader is in kseg0. Convert to * a bus address. */ - resource->start = phys_to_bus(pmemaddr - 0x80000000); + resource->start = phys_to_dma(pmemaddr - 0x80000000); resource->end = resource->start + pmemlen - 1; pr_info("persistent memory: start=0x%x end=0x%x\n", diff --git a/arch/mips/powertv/ioremap.c b/arch/mips/powertv/ioremap.c new file mode 100644 index 000000000000..a77c6f62fe23 --- /dev/null +++ b/arch/mips/powertv/ioremap.c @@ -0,0 +1,136 @@ +/* + * ioremap.c + * + * Support for mapping between dma_addr_t values a phys_addr_t values. + * + * Copyright (C) 2005-2009 Scientific-Atlanta, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + * Author: David VomLehn <dvomlehn@cisco.com> + * + * Description: Defines the platform resources for the SA settop. + * + * NOTE: The bootloader allocates persistent memory at an address which is + * 16 MiB below the end of the highest address in KSEG0. All fixed + * address memory reservations must avoid this region. + */ + +#include <linux/kernel.h> +#include <linux/module.h> + +#include <asm/mach-powertv/ioremap.h> + +/* + * Define the sizes of and masks for grains in physical and DMA space. The + * values are the same but the types are not. + */ +#define IOR_PHYS_GRAIN ((phys_addr_t) 1 << IOR_LSBITS) +#define IOR_PHYS_GRAIN_MASK (IOR_PHYS_GRAIN - 1) + +#define IOR_DMA_GRAIN ((dma_addr_t) 1 << IOR_LSBITS) +#define IOR_DMA_GRAIN_MASK (IOR_DMA_GRAIN - 1) + +/* + * Values that, when accessed by an index derived from a phys_addr_t and + * added to phys_addr_t value, yield a DMA address + */ +struct ior_phys_to_dma _ior_phys_to_dma[IOR_NUM_PHYS_TO_DMA]; +EXPORT_SYMBOL(_ior_phys_to_dma); + +/* + * Values that, when accessed by an index derived from a dma_addr_t and + * added to that dma_addr_t value, yield a physical address + */ +struct ior_dma_to_phys _ior_dma_to_phys[IOR_NUM_DMA_TO_PHYS]; +EXPORT_SYMBOL(_ior_dma_to_phys); + +/** + * setup_dma_to_phys - set up conversion from DMA to physical addresses + * @dma_idx: Top IOR_LSBITS bits of the DMA address, i.e. an index + * into the array _dma_to_phys. + * @delta: Value that, when added to the DMA address, will yield the + * physical address + * @s: Number of bytes in the section of memory with the given delta + * between DMA and physical addresses. + */ +static void setup_dma_to_phys(dma_addr_t dma, phys_addr_t delta, dma_addr_t s) +{ + int dma_idx, first_idx, last_idx; + phys_addr_t first, last; + + /* + * Calculate the first and last indices, rounding the first up and + * the second down. + */ + first = dma & ~IOR_DMA_GRAIN_MASK; + last = (dma + s - 1) & ~IOR_DMA_GRAIN_MASK; + first_idx = first >> IOR_LSBITS; /* Convert to indices */ + last_idx = last >> IOR_LSBITS; + + for (dma_idx = first_idx; dma_idx <= last_idx; dma_idx++) + _ior_dma_to_phys[dma_idx].offset = delta >> IOR_DMA_SHIFT; +} + +/** + * setup_phys_to_dma - set up conversion from DMA to physical addresses + * @phys_idx: Top IOR_LSBITS bits of the DMA address, i.e. an index + * into the array _phys_to_dma. + * @delta: Value that, when added to the DMA address, will yield the + * physical address + * @s: Number of bytes in the section of memory with the given delta + * between DMA and physical addresses. + */ +static void setup_phys_to_dma(phys_addr_t phys, dma_addr_t delta, phys_addr_t s) +{ + int phys_idx, first_idx, last_idx; + phys_addr_t first, last; + + /* + * Calculate the first and last indices, rounding the first up and + * the second down. + */ + first = phys & ~IOR_PHYS_GRAIN_MASK; + last = (phys + s - 1) & ~IOR_PHYS_GRAIN_MASK; + first_idx = first >> IOR_LSBITS; /* Convert to indices */ + last_idx = last >> IOR_LSBITS; + + for (phys_idx = first_idx; phys_idx <= last_idx; phys_idx++) + _ior_phys_to_dma[phys_idx].offset = delta >> IOR_PHYS_SHIFT; +} + +/** + * ioremap_add_map - add to the physical and DMA address conversion arrays + * @phys: Process's view of the address of the start of the memory chunk + * @dma: DMA address of the start of the memory chunk + * @size: Size, in bytes, of the chunk of memory + * + * NOTE: It might be obvious, but the assumption is that all @size bytes have + * the same offset between the physical address and the DMA address. + */ +void ioremap_add_map(phys_addr_t phys, phys_addr_t dma, phys_addr_t size) +{ + if (size == 0) + return; + + if ((dma & IOR_DMA_GRAIN_MASK) != 0 || + (phys & IOR_PHYS_GRAIN_MASK) != 0 || + (size & IOR_PHYS_GRAIN_MASK) != 0) + pr_crit("Memory allocation must be in chunks of 0x%x bytes\n", + IOR_PHYS_GRAIN); + + setup_dma_to_phys(dma, phys - dma, size); + setup_phys_to_dma(phys, dma - phys, size); +} diff --git a/arch/mips/powertv/memory.c b/arch/mips/powertv/memory.c index f49eb3d0358b..c463cd39c713 100644 --- a/arch/mips/powertv/memory.c +++ b/arch/mips/powertv/memory.c @@ -30,28 +30,140 @@ #include <asm/sections.h> #include <asm/mips-boards/prom.h> +#include <asm/mach-powertv/asic.h> +#include <asm/mach-powertv/ioremap.h> #include "init.h" /* Memory constants */ #define KIBIBYTE(n) ((n) * 1024) /* Number of kibibytes */ #define MEBIBYTE(n) ((n) * KIBIBYTE(1024)) /* Number of mebibytes */ -#define DEFAULT_MEMSIZE MEBIBYTE(256) /* If no memsize provided */ -#define LOW_MEM_MAX MEBIBYTE(252) /* Max usable low mem */ -#define RES_BOOTLDR_MEMSIZE MEBIBYTE(1) /* Memory reserved for bldr */ -#define BOOT_MEM_SIZE KIBIBYTE(256) /* Memory reserved for bldr */ -#define PHYS_MEM_START 0x10000000 /* Start of physical memory */ +#define DEFAULT_MEMSIZE MEBIBYTE(128) /* If no memsize provided */ -char __initdata cmdline[COMMAND_LINE_SIZE]; +#define BLDR_SIZE KIBIBYTE(256) /* Memory reserved for bldr */ +#define RV_SIZE MEBIBYTE(4) /* Size of reset vector */ -void __init prom_meminit(void) +#define LOW_MEM_END 0x20000000 /* Highest low memory address */ +#define BLDR_ALIAS 0x10000000 /* Bootloader address */ +#define RV_PHYS 0x1fc00000 /* Reset vector address */ +#define LOW_RAM_END RV_PHYS /* End of real RAM in low mem */ + +/* + * Very low-level conversion from processor physical address to device + * DMA address for the first bank of memory. + */ +#define PHYS_TO_DMA(paddr) ((paddr) + (CONFIG_LOW_RAM_DMA - LOW_RAM_ALIAS)) + +unsigned long ptv_memsize; + +/* + * struct low_mem_reserved - Items in low memmory that are reserved + * @start: Physical address of item + * @size: Size, in bytes, of this item + * @is_aliased: True if this is RAM aliased from another location. If false, + * it is something other than aliased RAM and the RAM in the + * unaliased address is still visible outside of low memory. + */ +struct low_mem_reserved { + phys_addr_t start; + phys_addr_t size; + bool is_aliased; +}; + +/* + * Must be in ascending address order + */ +struct low_mem_reserved low_mem_reserved[] = { + {BLDR_ALIAS, BLDR_SIZE, true}, /* Bootloader RAM */ + {RV_PHYS, RV_SIZE, false}, /* Reset vector */ +}; + +/* + * struct mem_layout - layout of a piece of the system RAM + * @phys: Physical address of the start of this piece of RAM. This is the + * address at which both the processor and I/O devices see the + * RAM. + * @alias: Alias of this piece of memory in order to make it appear in + * the low memory part of the processor's address space. I/O + * devices don't see anything here. + * @size: Size, in bytes, of this piece of RAM + */ +struct mem_layout { + phys_addr_t phys; + phys_addr_t alias; + phys_addr_t size; +}; + +/* + * struct mem_layout_list - list descriptor for layouts of system RAM pieces + * @family: Specifies the family being described + * @n: Number of &struct mem_layout elements + * @layout: Pointer to the list of &mem_layout structures + */ +struct mem_layout_list { + enum family_type family; + size_t n; + struct mem_layout *layout; +}; + +static struct mem_layout f1500_layout[] = { + {0x20000000, 0x10000000, MEBIBYTE(256)}, +}; + +static struct mem_layout f4500_layout[] = { + {0x40000000, 0x10000000, MEBIBYTE(256)}, + {0x20000000, 0x20000000, MEBIBYTE(32)}, +}; + +static struct mem_layout f8500_layout[] = { + {0x40000000, 0x10000000, MEBIBYTE(256)}, + {0x20000000, 0x20000000, MEBIBYTE(32)}, + {0x30000000, 0x30000000, MEBIBYTE(32)}, +}; + +static struct mem_layout fx600_layout[] = { + {0x20000000, 0x10000000, MEBIBYTE(256)}, + {0x60000000, 0x60000000, MEBIBYTE(128)}, +}; + +static struct mem_layout_list layout_list[] = { + {FAMILY_1500, ARRAY_SIZE(f1500_layout), f1500_layout}, + {FAMILY_1500VZE, ARRAY_SIZE(f1500_layout), f1500_layout}, + {FAMILY_1500VZF, ARRAY_SIZE(f1500_layout), f1500_layout}, + {FAMILY_4500, ARRAY_SIZE(f4500_layout), f4500_layout}, + {FAMILY_8500, ARRAY_SIZE(f8500_layout), f8500_layout}, + {FAMILY_8500RNG, ARRAY_SIZE(f8500_layout), f8500_layout}, + {FAMILY_4600, ARRAY_SIZE(fx600_layout), fx600_layout}, + {FAMILY_4600VZA, ARRAY_SIZE(fx600_layout), fx600_layout}, + {FAMILY_8600, ARRAY_SIZE(fx600_layout), fx600_layout}, + {FAMILY_8600VZB, ARRAY_SIZE(fx600_layout), fx600_layout}, +}; + +/* If we can't determine the layout, use this */ +static struct mem_layout default_layout[] = { + {0x20000000, 0x10000000, MEBIBYTE(128)}, +}; + +/** + * register_non_ram - register low memory not available for RAM usage + */ +static __init void register_non_ram(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(low_mem_reserved); i++) + add_memory_region(low_mem_reserved[i].start, + low_mem_reserved[i].size, BOOT_MEM_RESERVED); +} + +/** + * get_memsize - get the size of memory as a single bank + */ +static phys_addr_t get_memsize(void) { + phys_addr_t memsize = 0; char *memsize_str; - unsigned long memsize = 0; - unsigned int physend; - char *ptr; - int low_mem; - int high_mem; + char cmdline[COMMAND_LINE_SIZE], *ptr; /* Check the command line first for a memsize directive */ strcpy(cmdline, arcs_cmdline); @@ -73,96 +185,156 @@ void __init prom_meminit(void) if (memsize == 0) { if (_prom_memsize != 0) { memsize = _prom_memsize; - pr_info("_prom_memsize = 0x%lx\n", memsize); + pr_info("_prom_memsize = 0x%x\n", memsize); /* add in memory that the bootloader doesn't * report */ - memsize += BOOT_MEM_SIZE; + memsize += BLDR_SIZE; } else { memsize = DEFAULT_MEMSIZE; pr_info("Memsize not passed by bootloader, " - "defaulting to 0x%lx\n", memsize); + "defaulting to 0x%x\n", memsize); } } } - physend = PFN_ALIGN(&_end) - 0x80000000; - if (memsize > LOW_MEM_MAX) { - low_mem = LOW_MEM_MAX; - high_mem = memsize - low_mem; - } else { - low_mem = memsize; - high_mem = 0; + return memsize; +} + +/** + * register_low_ram - register an aliased section of RAM + * @p: Alias address of memory + * @n: Number of bytes in this section of memory + * + * Returns the number of bytes registered + * + */ +static __init phys_addr_t register_low_ram(phys_addr_t p, phys_addr_t n) +{ + phys_addr_t s; + int i; + phys_addr_t orig_n; + + orig_n = n; + + BUG_ON(p + n > RV_PHYS); + + for (i = 0; n != 0 && i < ARRAY_SIZE(low_mem_reserved); i++) { + phys_addr_t start; + phys_addr_t size; + + start = low_mem_reserved[i].start; + size = low_mem_reserved[i].size; + + /* Handle memory before this low memory section */ + if (p < start) { + phys_addr_t s; + s = min(n, start - p); + add_memory_region(p, s, BOOT_MEM_RAM); + p += s; + n -= s; + } + + /* Handle the low memory section itself. If it's aliased, + * we reduce the number of byes left, but if not, the RAM + * is available elsewhere and we don't reduce the number of + * bytes remaining. */ + if (p == start) { + if (low_mem_reserved[i].is_aliased) { + s = min(n, size); + n -= s; + p += s; + } else + p += n; + } } + return orig_n - n; +} + /* - * TODO: We will use the hard code for memory configuration until - * the bootloader releases their device tree to us. + * register_ram - register real RAM + * @p: Address of memory as seen by devices + * @alias: If the memory is seen at an additional address by the processor, + * this will be the address, otherwise it is the same as @p. + * @n: Number of bytes in this section of memory */ +static __init void register_ram(phys_addr_t p, phys_addr_t alias, + phys_addr_t n) +{ /* - * Add the memory reserved for use by the bootloader to the - * memory map. - */ - add_memory_region(PHYS_MEM_START, RES_BOOTLDR_MEMSIZE, - BOOT_MEM_RESERVED); -#ifdef CONFIG_HIGHMEM_256_128 - /* - * Add memory in low for general use by the kernel and its friends - * (like drivers, applications, etc). - */ - add_memory_region(PHYS_MEM_START + RES_BOOTLDR_MEMSIZE, - LOW_MEM_MAX - RES_BOOTLDR_MEMSIZE, BOOT_MEM_RAM); - /* - * Add the memory reserved for reset vector. - */ - add_memory_region(0x1fc00000, MEBIBYTE(4), BOOT_MEM_RESERVED); - /* - * Add the memory reserved. - */ - add_memory_region(0x20000000, MEBIBYTE(1024 + 75), BOOT_MEM_RESERVED); - /* - * Add memory in high for general use by the kernel and its friends - * (like drivers, applications, etc). - * - * 75MB is reserved for devices which are using the memory in high. - */ - add_memory_region(0x60000000 + MEBIBYTE(75), MEBIBYTE(128 - 75), - BOOT_MEM_RAM); -#elif defined CONFIG_HIGHMEM_128_128 - /* - * Add memory in low for general use by the kernel and its friends - * (like drivers, applications, etc). - */ - add_memory_region(PHYS_MEM_START + RES_BOOTLDR_MEMSIZE, - MEBIBYTE(128) - RES_BOOTLDR_MEMSIZE, BOOT_MEM_RAM); - /* - * Add the memory reserved. - */ - add_memory_region(PHYS_MEM_START + MEBIBYTE(128), - MEBIBYTE(128 + 1024 + 75), BOOT_MEM_RESERVED); - /* - * Add memory in high for general use by the kernel and its friends - * (like drivers, applications, etc). - * - * 75MB is reserved for devices which are using the memory in high. - */ - add_memory_region(0x60000000 + MEBIBYTE(75), MEBIBYTE(128 - 75), - BOOT_MEM_RAM); -#else - /* Add low memory regions for either: - * - no-highmemory configuration case -OR- - * - highmemory "HIGHMEM_LOWBANK_ONLY" case - */ - /* - * Add memory for general use by the kernel and its friends - * (like drivers, applications, etc). + * If some or all of this memory has an alias, break it into the + * aliased and non-aliased portion. */ - add_memory_region(PHYS_MEM_START + RES_BOOTLDR_MEMSIZE, - low_mem - RES_BOOTLDR_MEMSIZE, BOOT_MEM_RAM); + if (p != alias) { + phys_addr_t alias_size; + phys_addr_t registered; + + alias_size = min(n, LOW_RAM_END - alias); + registered = register_low_ram(alias, alias_size); + ioremap_add_map(alias, p, n); + n -= registered; + p += registered; + } + +#ifdef CONFIG_HIGHMEM + if (n != 0) { + add_memory_region(p, n, BOOT_MEM_RAM); + ioremap_add_map(p, p, n); + } +#endif +} + +/** + * register_address_space - register things in the address space + * @memsize: Number of bytes of RAM installed + * + * Takes the given number of bytes of RAM and registers as many of the regions, + * or partial regions, as it can. So, the default configuration might have + * two regions with 256 MiB each. If the memsize passed in on the command line + * is 384 MiB, it will register the first region with 256 MiB and the second + * with 128 MiB. + */ +static __init void register_address_space(phys_addr_t memsize) +{ + int i; + phys_addr_t size; + size_t n; + struct mem_layout *layout; + enum family_type family; + /* - * Add the memory reserved for reset vector. + * Register all of the things that aren't available to the kernel as + * memory. */ - add_memory_region(0x1fc00000, MEBIBYTE(4), BOOT_MEM_RESERVED); -#endif + register_non_ram(); + + /* Find the appropriate memory description */ + family = platform_get_family(); + + for (i = 0; i < ARRAY_SIZE(layout_list); i++) { + if (layout_list[i].family == family) + break; + } + + if (i == ARRAY_SIZE(layout_list)) { + n = ARRAY_SIZE(default_layout); + layout = default_layout; + } else { + n = layout_list[i].n; + layout = layout_list[i].layout; + } + + for (i = 0; memsize != 0 && i < n; i++) { + size = min(memsize, layout[i].size); + register_ram(layout[i].phys, layout[i].alias, size); + memsize -= size; + } +} + +void __init prom_meminit(void) +{ + ptv_memsize = get_memsize(); + register_address_space(ptv_memsize); } void __init prom_free_prom_memory(void) diff --git a/arch/mips/sgi-ip27/ip27-klconfig.c b/arch/mips/sgi-ip27/ip27-klconfig.c index dd830b3670d1..7afe14688003 100644 --- a/arch/mips/sgi-ip27/ip27-klconfig.c +++ b/arch/mips/sgi-ip27/ip27-klconfig.c @@ -48,7 +48,7 @@ klinfo_t *find_first_component(lboard_t *brd, unsigned char struct_type) return find_component(brd, (klinfo_t *)NULL, struct_type); } -lboard_t * find_lboard(lboard_t *start, unsigned char brd_type) +lboard_t *find_lboard(lboard_t *start, unsigned char brd_type) { /* Search all boards stored on this node. */ while (start) { @@ -60,7 +60,7 @@ lboard_t * find_lboard(lboard_t *start, unsigned char brd_type) return (lboard_t *)NULL; } -lboard_t * find_lboard_class(lboard_t *start, unsigned char brd_type) +lboard_t *find_lboard_class(lboard_t *start, unsigned char brd_type) { /* Search all boards stored on this node. */ while (start) { @@ -78,7 +78,7 @@ cnodeid_t get_cpu_cnode(cpuid_t cpu) return CPUID_TO_COMPACT_NODEID(cpu); } -klcpu_t * nasid_slice_to_cpuinfo(nasid_t nasid, int slice) +klcpu_t *nasid_slice_to_cpuinfo(nasid_t nasid, int slice) { lboard_t *brd; klcpu_t *acpu; @@ -97,7 +97,7 @@ klcpu_t * nasid_slice_to_cpuinfo(nasid_t nasid, int slice) return (klcpu_t *)NULL; } -klcpu_t * sn_get_cpuinfo(cpuid_t cpu) +klcpu_t *sn_get_cpuinfo(cpuid_t cpu) { nasid_t nasid; int slice; diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h index 477277739da5..4556d820128a 100644 --- a/arch/parisc/include/asm/cacheflush.h +++ b/arch/parisc/include/asm/cacheflush.h @@ -2,6 +2,7 @@ #define _PARISC_CACHEFLUSH_H #include <linux/mm.h> +#include <linux/uaccess.h> /* The usual comment is "Caches aren't brain-dead on the <architecture>". * Unfortunately, that doesn't apply to PA-RISC. */ @@ -125,11 +126,20 @@ static inline void *kmap(struct page *page) #define kunmap(page) kunmap_parisc(page_address(page)) -#define kmap_atomic(page, idx) page_address(page) +static inline void *kmap_atomic(struct page *page, enum km_type idx) +{ + pagefault_disable(); + return page_address(page); +} -#define kunmap_atomic(addr, idx) kunmap_parisc(addr) +static inline void kunmap_atomic(void *addr, enum km_type idx) +{ + kunmap_parisc(addr); + pagefault_enable(); +} -#define kmap_atomic_pfn(pfn, idx) page_address(pfn_to_page(pfn)) +#define kmap_atomic_prot(page, idx, prot) kmap_atomic(page, idx) +#define kmap_atomic_pfn(pfn, idx) kmap_atomic(pfn_to_page(pfn), (idx)) #define kmap_atomic_to_page(ptr) virt_to_page(ptr) #endif diff --git a/arch/parisc/kernel/asm-offsets.c b/arch/parisc/kernel/asm-offsets.c index ec787b411e9a..dcd55103a4bb 100644 --- a/arch/parisc/kernel/asm-offsets.c +++ b/arch/parisc/kernel/asm-offsets.c @@ -45,8 +45,12 @@ #else #define FRAME_SIZE 64 #endif +#define FRAME_ALIGN 64 -#define align(x,y) (((x)+FRAME_SIZE+(y)-1) - (((x)+(y)-1)%(y))) +/* Add FRAME_SIZE to the size x and align it to y. All definitions + * that use align_frame will include space for a frame. + */ +#define align_frame(x,y) (((x)+FRAME_SIZE+(y)-1) - (((x)+(y)-1)%(y))) int main(void) { @@ -146,7 +150,8 @@ int main(void) DEFINE(TASK_PT_IOR, offsetof(struct task_struct, thread.regs.ior)); BLANK(); DEFINE(TASK_SZ, sizeof(struct task_struct)); - DEFINE(TASK_SZ_ALGN, align(sizeof(struct task_struct), 64)); + /* TASK_SZ_ALGN includes space for a stack frame. */ + DEFINE(TASK_SZ_ALGN, align_frame(sizeof(struct task_struct), FRAME_ALIGN)); BLANK(); DEFINE(PT_PSW, offsetof(struct pt_regs, gr[ 0])); DEFINE(PT_GR1, offsetof(struct pt_regs, gr[ 1])); @@ -233,7 +238,8 @@ int main(void) DEFINE(PT_ISR, offsetof(struct pt_regs, isr)); DEFINE(PT_IOR, offsetof(struct pt_regs, ior)); DEFINE(PT_SIZE, sizeof(struct pt_regs)); - DEFINE(PT_SZ_ALGN, align(sizeof(struct pt_regs), 64)); + /* PT_SZ_ALGN includes space for a stack frame. */ + DEFINE(PT_SZ_ALGN, align_frame(sizeof(struct pt_regs), FRAME_ALIGN)); BLANK(); DEFINE(TI_TASK, offsetof(struct thread_info, task)); DEFINE(TI_EXEC_DOMAIN, offsetof(struct thread_info, exec_domain)); @@ -242,7 +248,8 @@ int main(void) DEFINE(TI_SEGMENT, offsetof(struct thread_info, addr_limit)); DEFINE(TI_PRE_COUNT, offsetof(struct thread_info, preempt_count)); DEFINE(THREAD_SZ, sizeof(struct thread_info)); - DEFINE(THREAD_SZ_ALGN, align(sizeof(struct thread_info), 64)); + /* THREAD_SZ_ALGN includes space for a stack frame. */ + DEFINE(THREAD_SZ_ALGN, align_frame(sizeof(struct thread_info), FRAME_ALIGN)); BLANK(); DEFINE(ICACHE_BASE, offsetof(struct pdc_cache_info, ic_base)); DEFINE(ICACHE_STRIDE, offsetof(struct pdc_cache_info, ic_stride)); diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S index 3a44f7f704fa..6337adef30f6 100644 --- a/arch/parisc/kernel/entry.S +++ b/arch/parisc/kernel/entry.S @@ -364,32 +364,6 @@ .align 32 .endm - /* The following are simple 32 vs 64 bit instruction - * abstractions for the macros */ - .macro EXTR reg1,start,length,reg2 -#ifdef CONFIG_64BIT - extrd,u \reg1,32+(\start),\length,\reg2 -#else - extrw,u \reg1,\start,\length,\reg2 -#endif - .endm - - .macro DEP reg1,start,length,reg2 -#ifdef CONFIG_64BIT - depd \reg1,32+(\start),\length,\reg2 -#else - depw \reg1,\start,\length,\reg2 -#endif - .endm - - .macro DEPI val,start,length,reg -#ifdef CONFIG_64BIT - depdi \val,32+(\start),\length,\reg -#else - depwi \val,\start,\length,\reg -#endif - .endm - /* In LP64, the space contains part of the upper 32 bits of the * fault. We have to extract this and place it in the va, * zeroing the corresponding bits in the space register */ @@ -442,19 +416,19 @@ */ .macro L2_ptep pmd,pte,index,va,fault #if PT_NLEVELS == 3 - EXTR \va,31-ASM_PMD_SHIFT,ASM_BITS_PER_PMD,\index + extru \va,31-ASM_PMD_SHIFT,ASM_BITS_PER_PMD,\index #else - EXTR \va,31-ASM_PGDIR_SHIFT,ASM_BITS_PER_PGD,\index + extru \va,31-ASM_PGDIR_SHIFT,ASM_BITS_PER_PGD,\index #endif - DEP %r0,31,PAGE_SHIFT,\pmd /* clear offset */ + dep %r0,31,PAGE_SHIFT,\pmd /* clear offset */ copy %r0,\pte ldw,s \index(\pmd),\pmd bb,>=,n \pmd,_PxD_PRESENT_BIT,\fault - DEP %r0,31,PxD_FLAG_SHIFT,\pmd /* clear flags */ + dep %r0,31,PxD_FLAG_SHIFT,\pmd /* clear flags */ copy \pmd,%r9 SHLREG %r9,PxD_VALUE_SHIFT,\pmd - EXTR \va,31-PAGE_SHIFT,ASM_BITS_PER_PTE,\index - DEP %r0,31,PAGE_SHIFT,\pmd /* clear offset */ + extru \va,31-PAGE_SHIFT,ASM_BITS_PER_PTE,\index + dep %r0,31,PAGE_SHIFT,\pmd /* clear offset */ shladd \index,BITS_PER_PTE_ENTRY,\pmd,\pmd LDREG %r0(\pmd),\pte /* pmd is now pte */ bb,>=,n \pte,_PAGE_PRESENT_BIT,\fault @@ -605,7 +579,7 @@ depdi 0,31,32,\tmp #endif copy \va,\tmp1 - DEPI 0,31,23,\tmp1 + depi 0,31,23,\tmp1 cmpb,COND(<>),n \tmp,\tmp1,\fault ldi (_PAGE_DIRTY|_PAGE_WRITE|_PAGE_READ),\prot depd,z \prot,8,7,\prot @@ -997,13 +971,6 @@ intr_restore: rfi nop - nop - nop - nop - nop - nop - nop - nop #ifndef CONFIG_PREEMPT # define intr_do_preempt intr_restore @@ -2076,9 +2043,10 @@ syscall_restore: LDREG TASK_PT_GR31(%r1),%r31 /* restore syscall rp */ /* NOTE: We use rsm/ssm pair to make this operation atomic */ + LDREG TASK_PT_GR30(%r1),%r1 /* Get user sp */ rsm PSW_SM_I, %r0 - LDREG TASK_PT_GR30(%r1),%r30 /* restore user sp */ - mfsp %sr3,%r1 /* Get users space id */ + copy %r1,%r30 /* Restore user sp */ + mfsp %sr3,%r1 /* Get user space id */ mtsp %r1,%sr7 /* Restore sr7 */ ssm PSW_SM_I, %r0 diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S index f5f96021caa0..68e75ce838d6 100644 --- a/arch/parisc/kernel/syscall.S +++ b/arch/parisc/kernel/syscall.S @@ -47,18 +47,17 @@ ENTRY(linux_gateway_page) KILL_INSN .endr - /* ADDRESS 0xb0 to 0xb4, lws uses 1 insns for entry */ + /* ADDRESS 0xb0 to 0xb8, lws uses two insns for entry */ /* Light-weight-syscall entry must always be located at 0xb0 */ /* WARNING: Keep this number updated with table size changes */ #define __NR_lws_entries (2) lws_entry: - /* Unconditional branch to lws_start, located on the - same gateway page */ - b,n lws_start + gate lws_start, %r0 /* increase privilege */ + depi 3, 31, 2, %r31 /* Ensure we return into user mode. */ - /* Fill from 0xb4 to 0xe0 */ - .rept 11 + /* Fill from 0xb8 to 0xe0 */ + .rept 10 KILL_INSN .endr @@ -423,9 +422,6 @@ tracesys_sigexit: *********************************************************/ lws_start: - /* Gate and ensure we return to userspace */ - gate .+8, %r0 - depi 3, 31, 2, %r31 /* Ensure we return to userspace */ #ifdef CONFIG_64BIT /* FIXME: If we are a 64-bit kernel just @@ -442,7 +438,7 @@ lws_start: #endif /* Is the lws entry number valid? */ - comiclr,>>= __NR_lws_entries, %r20, %r0 + comiclr,>> __NR_lws_entries, %r20, %r0 b,n lws_exit_nosys /* WARNING: Trashing sr2 and sr3 */ @@ -473,7 +469,7 @@ lws_exit: /* now reset the lowest bit of sp if it was set */ xor %r30,%r1,%r30 #endif - be,n 0(%sr3, %r31) + be,n 0(%sr7, %r31) @@ -529,7 +525,6 @@ lws_compare_and_swap32: #endif lws_compare_and_swap: -#ifdef CONFIG_SMP /* Load start of lock table */ ldil L%lws_lock_start, %r20 ldo R%lws_lock_start(%r20), %r28 @@ -572,8 +567,6 @@ cas_wouldblock: ldo 2(%r0), %r28 /* 2nd case */ b lws_exit /* Contended... */ ldo -EAGAIN(%r0), %r21 /* Spin in userspace */ -#endif -/* CONFIG_SMP */ /* prev = *addr; @@ -601,13 +594,11 @@ cas_action: 1: ldw 0(%sr3,%r26), %r28 sub,<> %r28, %r25, %r0 2: stw %r24, 0(%sr3,%r26) -#ifdef CONFIG_SMP /* Free lock */ stw %r20, 0(%sr2,%r20) -# if ENABLE_LWS_DEBUG +#if ENABLE_LWS_DEBUG /* Clear thread register indicator */ stw %r0, 4(%sr2,%r20) -# endif #endif /* Return to userspace, set no error */ b lws_exit @@ -615,12 +606,10 @@ cas_action: 3: /* Error occured on load or store */ -#ifdef CONFIG_SMP /* Free lock */ stw %r20, 0(%sr2,%r20) -# if ENABLE_LWS_DEBUG +#if ENABLE_LWS_DEBUG stw %r0, 4(%sr2,%r20) -# endif #endif b lws_exit ldo -EFAULT(%r0),%r21 /* set errno */ @@ -672,7 +661,6 @@ ENTRY(sys_call_table64) END(sys_call_table64) #endif -#ifdef CONFIG_SMP /* All light-weight-syscall atomic operations will use this set of locks @@ -694,8 +682,6 @@ ENTRY(lws_lock_start) .endr END(lws_lock_start) .previous -#endif -/* CONFIG_SMP for lws_lock_start */ .end diff --git a/arch/parisc/math-emu/decode_exc.c b/arch/parisc/math-emu/decode_exc.c index 3ca1c6149218..27a7492ddb0d 100644 --- a/arch/parisc/math-emu/decode_exc.c +++ b/arch/parisc/math-emu/decode_exc.c @@ -342,6 +342,7 @@ decode_fpu(unsigned int Fpu_register[], unsigned int trap_counts[]) return SIGNALCODE(SIGFPE, FPE_FLTINV); case DIVISIONBYZEROEXCEPTION: update_trap_counts(Fpu_register, aflags, bflags, trap_counts); + Clear_excp_register(exception_index); return SIGNALCODE(SIGFPE, FPE_FLTDIV); case INEXACTEXCEPTION: update_trap_counts(Fpu_register, aflags, bflags, trap_counts); diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c index c6afbfc95770..18162ce4261e 100644 --- a/arch/parisc/mm/fault.c +++ b/arch/parisc/mm/fault.c @@ -264,8 +264,7 @@ no_context: out_of_memory: up_read(&mm->mmap_sem); - printk(KERN_CRIT "VM: killing process %s\n", current->comm); - if (user_mode(regs)) - do_group_exit(SIGKILL); - goto no_context; + if (!user_mode(regs)) + goto no_context; + pagefault_out_of_memory(); } diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 66a315e06dce..328774bd41ee 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -351,7 +351,7 @@ config ARCH_ENABLE_MEMORY_HOTREMOVE config KEXEC bool "kexec system call (EXPERIMENTAL)" - depends on PPC_BOOK3S && EXPERIMENTAL + depends on (PPC_BOOK3S || (FSL_BOOKE && !SMP)) && EXPERIMENTAL help kexec is a system call that implements the ability to shutdown your current kernel, and to start another kernel. It is like a reboot diff --git a/arch/powerpc/boot/4xx.c b/arch/powerpc/boot/4xx.c index 27db8938827a..9d3bd4c45a24 100644 --- a/arch/powerpc/boot/4xx.c +++ b/arch/powerpc/boot/4xx.c @@ -519,7 +519,7 @@ void ibm440ep_fixup_clocks(unsigned int sys_clk, { unsigned int plb_clk = __ibm440eplike_fixup_clocks(sys_clk, tmr_clk, 0); - /* serial clocks beed fixup based on int/ext */ + /* serial clocks need fixup based on int/ext */ eplike_fixup_uart_clk(0, "/plb/opb/serial@ef600300", ser_clk, plb_clk); eplike_fixup_uart_clk(1, "/plb/opb/serial@ef600400", ser_clk, plb_clk); eplike_fixup_uart_clk(2, "/plb/opb/serial@ef600500", ser_clk, plb_clk); @@ -532,7 +532,7 @@ void ibm440gx_fixup_clocks(unsigned int sys_clk, { unsigned int plb_clk = __ibm440eplike_fixup_clocks(sys_clk, tmr_clk, 1); - /* serial clocks beed fixup based on int/ext */ + /* serial clocks need fixup based on int/ext */ eplike_fixup_uart_clk(0, "/plb/opb/serial@40000200", ser_clk, plb_clk); eplike_fixup_uart_clk(1, "/plb/opb/serial@40000300", ser_clk, plb_clk); } @@ -543,10 +543,10 @@ void ibm440spe_fixup_clocks(unsigned int sys_clk, { unsigned int plb_clk = __ibm440eplike_fixup_clocks(sys_clk, tmr_clk, 1); - /* serial clocks beed fixup based on int/ext */ - eplike_fixup_uart_clk(0, "/plb/opb/serial@10000200", ser_clk, plb_clk); - eplike_fixup_uart_clk(1, "/plb/opb/serial@10000300", ser_clk, plb_clk); - eplike_fixup_uart_clk(2, "/plb/opb/serial@10000600", ser_clk, plb_clk); + /* serial clocks need fixup based on int/ext */ + eplike_fixup_uart_clk(0, "/plb/opb/serial@f0000200", ser_clk, plb_clk); + eplike_fixup_uart_clk(1, "/plb/opb/serial@f0000300", ser_clk, plb_clk); + eplike_fixup_uart_clk(2, "/plb/opb/serial@f0000600", ser_clk, plb_clk); } void ibm405gp_fixup_clocks(unsigned int sys_clk, unsigned int ser_clk) diff --git a/arch/powerpc/boot/dts/icon.dts b/arch/powerpc/boot/dts/icon.dts new file mode 100644 index 000000000000..abcd0caeccae --- /dev/null +++ b/arch/powerpc/boot/dts/icon.dts @@ -0,0 +1,447 @@ +/* + * Device Tree Source for Mosaix Technologies, Inc. ICON board + * + * Copyright 2010 DENX Software Engineering, Stefan Roese <sr@denx.de> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without + * any warranty of any kind, whether express or implied. + */ + +/dts-v1/; + +/ { + #address-cells = <2>; + #size-cells = <2>; + model = "mosaixtech,icon"; + compatible = "mosaixtech,icon"; + dcr-parent = <&{/cpus/cpu@0}>; + + aliases { + ethernet0 = &EMAC0; + serial0 = &UART0; + serial1 = &UART1; + serial2 = &UART2; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + device_type = "cpu"; + model = "PowerPC,440SPe"; + reg = <0x00000000>; + clock-frequency = <0>; /* Filled in by U-Boot */ + timebase-frequency = <0>; /* Filled in by U-Boot */ + i-cache-line-size = <32>; + d-cache-line-size = <32>; + i-cache-size = <32768>; + d-cache-size = <32768>; + dcr-controller; + dcr-access-method = "native"; + reset-type = <2>; /* Use chip-reset */ + }; + }; + + memory { + device_type = "memory"; + reg = <0x0 0x00000000 0x0 0x00000000>; /* Filled in by U-Boot */ + }; + + UIC0: interrupt-controller0 { + compatible = "ibm,uic-440spe","ibm,uic"; + interrupt-controller; + cell-index = <0>; + dcr-reg = <0x0c0 0x009>; + #address-cells = <0>; + #size-cells = <0>; + #interrupt-cells = <2>; + }; + + UIC1: interrupt-controller1 { + compatible = "ibm,uic-440spe","ibm,uic"; + interrupt-controller; + cell-index = <1>; + dcr-reg = <0x0d0 0x009>; + #address-cells = <0>; + #size-cells = <0>; + #interrupt-cells = <2>; + interrupts = <0x1e 0x4 0x1f 0x4>; /* cascade */ + interrupt-parent = <&UIC0>; + }; + + UIC2: interrupt-controller2 { + compatible = "ibm,uic-440spe","ibm,uic"; + interrupt-controller; + cell-index = <2>; + dcr-reg = <0x0e0 0x009>; + #address-cells = <0>; + #size-cells = <0>; + #interrupt-cells = <2>; + interrupts = <0xa 0x4 0xb 0x4>; /* cascade */ + interrupt-parent = <&UIC0>; + }; + + UIC3: interrupt-controller3 { + compatible = "ibm,uic-440spe","ibm,uic"; + interrupt-controller; + cell-index = <3>; + dcr-reg = <0x0f0 0x009>; + #address-cells = <0>; + #size-cells = <0>; + #interrupt-cells = <2>; + interrupts = <0x10 0x4 0x11 0x4>; /* cascade */ + interrupt-parent = <&UIC0>; + }; + + SDR0: sdr { + compatible = "ibm,sdr-440spe"; + dcr-reg = <0x00e 0x002>; + }; + + CPR0: cpr { + compatible = "ibm,cpr-440spe"; + dcr-reg = <0x00c 0x002>; + }; + + MQ0: mq { + compatible = "ibm,mq-440spe"; + dcr-reg = <0x040 0x020>; + }; + + plb { + compatible = "ibm,plb-440spe", "ibm,plb-440gp", "ibm,plb4"; + #address-cells = <2>; + #size-cells = <1>; + /* addr-child addr-parent size */ + ranges = <0x4 0x00100000 0x4 0x00100000 0x00001000 + 0x4 0x00200000 0x4 0x00200000 0x00000400 + 0x4 0xe0000000 0x4 0xe0000000 0x20000000 + 0xc 0x00000000 0xc 0x00000000 0x20000000 + 0xd 0x00000000 0xd 0x00000000 0x80000000 + 0xd 0x80000000 0xd 0x80000000 0x80000000 + 0xe 0x00000000 0xe 0x00000000 0x80000000 + 0xe 0x80000000 0xe 0x80000000 0x80000000 + 0xf 0x00000000 0xf 0x00000000 0x80000000 + 0xf 0x80000000 0xf 0x80000000 0x80000000>; + clock-frequency = <0>; /* Filled in by U-Boot */ + + SDRAM0: sdram { + compatible = "ibm,sdram-440spe", "ibm,sdram-405gp"; + dcr-reg = <0x010 0x002>; + }; + + MAL0: mcmal { + compatible = "ibm,mcmal-440spe", "ibm,mcmal2"; + dcr-reg = <0x180 0x062>; + num-tx-chans = <2>; + num-rx-chans = <1>; + interrupt-parent = <&MAL0>; + interrupts = <0x0 0x1 0x2 0x3 0x4>; + #interrupt-cells = <1>; + #address-cells = <0>; + #size-cells = <0>; + interrupt-map = </*TXEOB*/ 0x0 &UIC1 0x6 0x4 + /*RXEOB*/ 0x1 &UIC1 0x7 0x4 + /*SERR*/ 0x2 &UIC1 0x1 0x4 + /*TXDE*/ 0x3 &UIC1 0x2 0x4 + /*RXDE*/ 0x4 &UIC1 0x3 0x4>; + }; + + POB0: opb { + compatible = "ibm,opb-440spe", "ibm,opb-440gp", "ibm,opb"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0xe0000000 0x00000004 0xe0000000 0x20000000>; + clock-frequency = <0>; /* Filled in by U-Boot */ + + EBC0: ebc { + compatible = "ibm,ebc-440spe", "ibm,ebc-440gp", "ibm,ebc"; + dcr-reg = <0x012 0x002>; + #address-cells = <2>; + #size-cells = <1>; + clock-frequency = <0>; /* Filled in by U-Boot */ + /* ranges property is supplied by U-Boot */ + interrupts = <0x5 0x1>; + interrupt-parent = <&UIC1>; + + nor_flash@0,0 { + compatible = "cfi-flash"; + bank-width = <2>; + reg = <0x00000000 0x00000000 0x01000000>; + #address-cells = <1>; + #size-cells = <1>; + partition@0 { + label = "kernel"; + reg = <0x00000000 0x001e0000>; + }; + partition@1e0000 { + label = "dtb"; + reg = <0x001e0000 0x00020000>; + }; + partition@200000 { + label = "root"; + reg = <0x00200000 0x00200000>; + }; + partition@400000 { + label = "user"; + reg = <0x00400000 0x00b60000>; + }; + partition@f60000 { + label = "env"; + reg = <0x00f60000 0x00040000>; + }; + partition@fa0000 { + label = "u-boot"; + reg = <0x00fa0000 0x00060000>; + }; + }; + + SysACE_CompactFlash: sysace@1,0 { + compatible = "xlnx,sysace"; + interrupt-parent = <&UIC2>; + interrupts = <24 0x4>; + reg = <0x00000001 0x00000000 0x10000>; + }; + }; + + UART0: serial@f0000200 { + device_type = "serial"; + compatible = "ns16550"; + reg = <0xf0000200 0x00000008>; + virtual-reg = <0xa0000200>; + clock-frequency = <0>; /* Filled in by U-Boot */ + current-speed = <115200>; + interrupt-parent = <&UIC0>; + interrupts = <0x0 0x4>; + }; + + UART1: serial@f0000300 { + device_type = "serial"; + compatible = "ns16550"; + reg = <0xf0000300 0x00000008>; + virtual-reg = <0xa0000300>; + clock-frequency = <0>; + current-speed = <0>; + interrupt-parent = <&UIC0>; + interrupts = <0x1 0x4>; + }; + + + UART2: serial@f0000600 { + device_type = "serial"; + compatible = "ns16550"; + reg = <0xf0000600 0x00000008>; + virtual-reg = <0xa0000600>; + clock-frequency = <0>; + current-speed = <0>; + interrupt-parent = <&UIC1>; + interrupts = <0x5 0x4>; + }; + + IIC0: i2c@f0000400 { + compatible = "ibm,iic-440spe", "ibm,iic-440gp", "ibm,iic"; + reg = <0xf0000400 0x00000014>; + interrupt-parent = <&UIC0>; + interrupts = <0x2 0x4>; + }; + + IIC1: i2c@f0000500 { + compatible = "ibm,iic-440spe", "ibm,iic-440gp", "ibm,iic"; + reg = <0xf0000500 0x00000014>; + interrupt-parent = <&UIC0>; + interrupts = <0x3 0x4>; + #address-cells = <1>; + #size-cells = <0>; + + rtc@68 { + compatible = "stm,m41t00"; + reg = <0x68>; + }; + }; + + EMAC0: ethernet@f0000800 { + linux,network-index = <0x0>; + device_type = "network"; + compatible = "ibm,emac-440spe", "ibm,emac4"; + interrupt-parent = <&UIC1>; + interrupts = <0x1c 0x4 0x1d 0x4>; + reg = <0xf0000800 0x00000074>; + local-mac-address = [000000000000]; + mal-device = <&MAL0>; + mal-tx-channel = <0>; + mal-rx-channel = <0>; + cell-index = <0>; + max-frame-size = <9000>; + rx-fifo-size = <4096>; + tx-fifo-size = <2048>; + phy-mode = "gmii"; + phy-map = <0x00000000>; + has-inverted-stacr-oc; + has-new-stacr-staopc; + }; + }; + + PCIX0: pci@c0ec00000 { + device_type = "pci"; + #interrupt-cells = <1>; + #size-cells = <2>; + #address-cells = <3>; + compatible = "ibm,plb-pcix-440spe", "ibm,plb-pcix"; + primary; + large-inbound-windows; + enable-msi-hole; + reg = <0x0000000c 0x0ec00000 0x00000008 /* Config space access */ + 0x00000000 0x00000000 0x00000000 /* no IACK cycles */ + 0x0000000c 0x0ed00000 0x00000004 /* Special cycles */ + 0x0000000c 0x0ec80000 0x00000100 /* Internal registers */ + 0x0000000c 0x0ec80100 0x000000fc>; /* Internal messaging registers */ + + /* Outbound ranges, one memory and one IO, + * later cannot be changed + */ + ranges = <0x02000000 0x00000000 0x80000000 0x0000000d 0x80000000 0x00000000 0x80000000 + 0x01000000 0x00000000 0x00000000 0x0000000c 0x08000000 0x00000000 0x00010000>; + + /* Inbound 4GB range starting at 0 */ + dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x1 0x00000000>; + + /* This drives busses 0 to 0xf */ + bus-range = <0x0 0xf>; + + /* PCI-X interrupt (SM502) is routed to extIRQ10 (UIC1, 19) */ + interrupt-map-mask = <0x0 0x0 0x0 0x0>; + interrupt-map = <0x0 0x0 0x0 0x0 &UIC1 19 0x8>; + }; + + PCIE0: pciex@d00000000 { + device_type = "pci"; + #interrupt-cells = <1>; + #size-cells = <2>; + #address-cells = <3>; + compatible = "ibm,plb-pciex-440spe", "ibm,plb-pciex"; + primary; + port = <0x0>; /* port number */ + reg = <0x0000000d 0x00000000 0x20000000 /* Config space access */ + 0x0000000c 0x10000000 0x00001000>; /* Registers */ + dcr-reg = <0x100 0x020>; + sdr-base = <0x300>; + + /* Outbound ranges, one memory and one IO, + * later cannot be changed + */ + ranges = <0x02000000 0x00000000 0x80000000 0x0000000e 0x00000000 0x00000000 0x80000000 + 0x01000000 0x00000000 0x00000000 0x0000000f 0x80000000 0x00000000 0x00010000>; + + /* Inbound 4GB range starting at 0 */ + dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x1 0x00000000>; + + /* This drives busses 0x10 to 0x1f */ + bus-range = <0x10 0x1f>; + + /* Legacy interrupts (note the weird polarity, the bridge seems + * to invert PCIe legacy interrupts). + * We are de-swizzling here because the numbers are actually for + * port of the root complex virtual P2P bridge. But I want + * to avoid putting a node for it in the tree, so the numbers + * below are basically de-swizzled numbers. + * The real slot is on idsel 0, so the swizzling is 1:1 + */ + interrupt-map-mask = <0x0 0x0 0x0 0x7>; + interrupt-map = < + 0x0 0x0 0x0 0x1 &UIC3 0x0 0x4 /* swizzled int A */ + 0x0 0x0 0x0 0x2 &UIC3 0x1 0x4 /* swizzled int B */ + 0x0 0x0 0x0 0x3 &UIC3 0x2 0x4 /* swizzled int C */ + 0x0 0x0 0x0 0x4 &UIC3 0x3 0x4 /* swizzled int D */>; + }; + + PCIE1: pciex@d20000000 { + device_type = "pci"; + #interrupt-cells = <1>; + #size-cells = <2>; + #address-cells = <3>; + compatible = "ibm,plb-pciex-440spe", "ibm,plb-pciex"; + primary; + port = <0x1>; /* port number */ + reg = <0x0000000d 0x20000000 0x20000000 /* Config space access */ + 0x0000000c 0x10001000 0x00001000>; /* Registers */ + dcr-reg = <0x120 0x020>; + sdr-base = <0x340>; + + /* Outbound ranges, one memory and one IO, + * later cannot be changed + */ + ranges = <0x02000000 0x00000000 0x80000000 0x0000000e 0x80000000 0x00000000 0x80000000 + 0x01000000 0x00000000 0x00000000 0x0000000f 0x80010000 0x00000000 0x00010000>; + + /* Inbound 4GB range starting at 0 */ + dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x1 0x00000000>; + + /* This drives busses 0x20 to 0x2f */ + bus-range = <0x20 0x2f>; + + /* Legacy interrupts (note the weird polarity, the bridge seems + * to invert PCIe legacy interrupts). + * We are de-swizzling here because the numbers are actually for + * port of the root complex virtual P2P bridge. But I want + * to avoid putting a node for it in the tree, so the numbers + * below are basically de-swizzled numbers. + * The real slot is on idsel 0, so the swizzling is 1:1 + */ + interrupt-map-mask = <0x0 0x0 0x0 0x7>; + interrupt-map = < + 0x0 0x0 0x0 0x1 &UIC3 0x4 0x4 /* swizzled int A */ + 0x0 0x0 0x0 0x2 &UIC3 0x5 0x4 /* swizzled int B */ + 0x0 0x0 0x0 0x3 &UIC3 0x6 0x4 /* swizzled int C */ + 0x0 0x0 0x0 0x4 &UIC3 0x7 0x4 /* swizzled int D */>; + }; + + I2O: i2o@400100000 { + compatible = "ibm,i2o-440spe"; + reg = <0x00000004 0x00100000 0x100>; + dcr-reg = <0x060 0x020>; + }; + + DMA0: dma0@400100100 { + compatible = "ibm,dma-440spe"; + cell-index = <0>; + reg = <0x00000004 0x00100100 0x100>; + dcr-reg = <0x060 0x020>; + interrupt-parent = <&DMA0>; + interrupts = <0 1>; + #interrupt-cells = <1>; + #address-cells = <0>; + #size-cells = <0>; + interrupt-map = < + 0 &UIC0 0x14 4 + 1 &UIC1 0x16 4>; + }; + + DMA1: dma1@400100200 { + compatible = "ibm,dma-440spe"; + cell-index = <1>; + reg = <0x00000004 0x00100200 0x100>; + dcr-reg = <0x060 0x020>; + interrupt-parent = <&DMA1>; + interrupts = <0 1>; + #interrupt-cells = <1>; + #address-cells = <0>; + #size-cells = <0>; + interrupt-map = < + 0 &UIC0 0x16 4 + 1 &UIC1 0x16 4>; + }; + + xor-accel@400200000 { + compatible = "amcc,xor-accelerator"; + reg = <0x00000004 0x00200000 0x400>; + interrupt-parent = <&UIC1>; + interrupts = <0x1f 4>; + }; + }; + + chosen { + linux,stdout-path = "/plb/opb/serial@f0000200"; + }; +}; diff --git a/arch/powerpc/boot/dts/katmai.dts b/arch/powerpc/boot/dts/katmai.dts index 8cf2c0c88c05..7c3be5e45748 100644 --- a/arch/powerpc/boot/dts/katmai.dts +++ b/arch/powerpc/boot/dts/katmai.dts @@ -44,6 +44,7 @@ d-cache-size = <32768>; dcr-controller; dcr-access-method = "native"; + reset-type = <2>; /* Use chip-reset */ }; }; diff --git a/arch/powerpc/boot/dts/mpc8548cds.dts b/arch/powerpc/boot/dts/mpc8548cds.dts index 4173af387c63..0f5262452682 100644 --- a/arch/powerpc/boot/dts/mpc8548cds.dts +++ b/arch/powerpc/boot/dts/mpc8548cds.dts @@ -20,10 +20,8 @@ aliases { ethernet0 = &enet0; ethernet1 = &enet1; -/* ethernet2 = &enet2; ethernet3 = &enet3; -*/ serial0 = &serial0; serial1 = &serial1; pci0 = &pci0; @@ -254,7 +252,6 @@ }; }; -/* eTSEC 3/4 are currently broken enet2: ethernet@26000 { #address-cells = <1>; #size-cells = <1>; @@ -310,7 +307,6 @@ }; }; }; - */ serial0: serial@4500 { cell-index = <0>; diff --git a/arch/powerpc/boot/dts/mpc8572ds_camp_core0.dts b/arch/powerpc/boot/dts/mpc8572ds_camp_core0.dts index 5bd1011fde96..3375c2ab0c32 100644 --- a/arch/powerpc/boot/dts/mpc8572ds_camp_core0.dts +++ b/arch/powerpc/boot/dts/mpc8572ds_camp_core0.dts @@ -215,6 +215,18 @@ clock-frequency = <0>; }; + msi@41600 { + compatible = "fsl,mpc8572-msi", "fsl,mpic-msi"; + reg = <0x41600 0x80>; + msi-available-ranges = <0 0x80>; + interrupts = < + 0xe0 0 + 0xe1 0 + 0xe2 0 + 0xe3 0>; + interrupt-parent = <&mpic>; + }; + global-utilities@e0000 { //global utilities block compatible = "fsl,mpc8572-guts"; reg = <0xe0000 0x1000>; @@ -243,8 +255,7 @@ protected-sources = < 31 32 33 37 38 39 /* enet2 enet3 */ 76 77 78 79 26 42 /* dma2 pci2 serial*/ - 0xe0 0xe1 0xe2 0xe3 /* msi */ - 0xe4 0xe5 0xe6 0xe7 + 0xe4 0xe5 0xe6 0xe7 /* msi */ >; }; }; diff --git a/arch/powerpc/boot/dts/mpc8572ds_camp_core1.dts b/arch/powerpc/boot/dts/mpc8572ds_camp_core1.dts index 0efc3456e297..e7b477f6a3fe 100644 --- a/arch/powerpc/boot/dts/mpc8572ds_camp_core1.dts +++ b/arch/powerpc/boot/dts/mpc8572ds_camp_core1.dts @@ -154,12 +154,8 @@ msi@41600 { compatible = "fsl,mpc8572-msi", "fsl,mpic-msi"; reg = <0x41600 0x80>; - msi-available-ranges = <0 0x100>; + msi-available-ranges = <0x80 0x80>; interrupts = < - 0xe0 0 - 0xe1 0 - 0xe2 0 - 0xe3 0 0xe4 0 0xe5 0 0xe6 0 @@ -190,6 +186,7 @@ 0x1 0x2 0x3 0x4 /* pci slot */ 0x9 0xa 0xb 0xc /* usb */ 0x6 0x7 0xe 0x5 /* Audio elgacy SATA */ + 0xe0 0xe1 0xe2 0xe3 /* msi */ >; }; }; diff --git a/arch/powerpc/boot/dts/p1021mds.dts b/arch/powerpc/boot/dts/p1021mds.dts new file mode 100644 index 000000000000..7fad2df25981 --- /dev/null +++ b/arch/powerpc/boot/dts/p1021mds.dts @@ -0,0 +1,698 @@ +/* + * P1021 MDS Device Tree Source + * + * Copyright 2010 Freescale Semiconductor Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +/dts-v1/; +/ { + model = "fsl,P1021"; + compatible = "fsl,P1021MDS"; + #address-cells = <2>; + #size-cells = <2>; + + aliases { + serial0 = &serial0; + serial1 = &serial1; + ethernet0 = &enet0; + ethernet1 = &enet1; + ethernet2 = &enet2; + ethernet3 = &enet3; + ethernet4 = &enet4; + pci0 = &pci0; + pci1 = &pci1; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + PowerPC,P1021@0 { + device_type = "cpu"; + reg = <0x0>; + next-level-cache = <&L2>; + }; + + PowerPC,P1021@1 { + device_type = "cpu"; + reg = <0x1>; + next-level-cache = <&L2>; + }; + }; + + memory { + device_type = "memory"; + }; + + localbus@ffe05000 { + #address-cells = <2>; + #size-cells = <1>; + compatible = "fsl,p1021-elbc", "fsl,elbc", "simple-bus"; + reg = <0 0xffe05000 0 0x1000>; + interrupts = <19 2>; + interrupt-parent = <&mpic>; + + /* NAND Flash, BCSR, PMC0/1*/ + ranges = <0x0 0x0 0x0 0xfc000000 0x02000000 + 0x1 0x0 0x0 0xf8000000 0x00008000 + 0x2 0x0 0x0 0xf8010000 0x00020000 + 0x3 0x0 0x0 0xf8020000 0x00020000>; + + nand@0,0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,p1021-fcm-nand", + "fsl,elbc-fcm-nand"; + reg = <0x0 0x0 0x40000>; + + partition@0 { + /* This location must not be altered */ + /* 1MB for u-boot Bootloader Image */ + reg = <0x0 0x00100000>; + label = "NAND (RO) U-Boot Image"; + read-only; + }; + + partition@100000 { + /* 1MB for DTB Image */ + reg = <0x00100000 0x00100000>; + label = "NAND (RO) DTB Image"; + read-only; + }; + + partition@200000 { + /* 4MB for Linux Kernel Image */ + reg = <0x00200000 0x00400000>; + label = "NAND (RO) Linux Kernel Image"; + read-only; + }; + + partition@600000 { + /* 5MB for Compressed Root file System Image */ + reg = <0x00600000 0x00500000>; + label = "NAND (RO) Compressed RFS Image"; + read-only; + }; + + partition@b00000 { + /* 6MB for JFFS2 based Root file System */ + reg = <0x00a00000 0x00600000>; + label = "NAND (RW) JFFS2 Root File System"; + }; + + partition@1100000 { + /* 14MB for JFFS2 based Root file System */ + reg = <0x01100000 0x00e00000>; + label = "NAND (RW) Writable User area"; + }; + + partition@1f00000 { + /* 1MB for microcode */ + reg = <0x01f00000 0x00100000>; + label = "NAND (RO) QE Ucode"; + read-only; + }; + }; + + bcsr@1,0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,p1021mds-bcsr"; + reg = <1 0 0x8000>; + ranges = <0 1 0 0x8000>; + }; + + pib@2,0 { + compatible = "fsl,p1021mds-pib"; + reg = <2 0 0x10000>; + }; + + pib@3,0 { + compatible = "fsl,p1021mds-pib"; + reg = <3 0 0x10000>; + }; + }; + + soc@ffe00000 { + + #address-cells = <1>; + #size-cells = <1>; + device_type = "soc"; + compatible = "fsl,p1021-immr", "simple-bus"; + ranges = <0x0 0x0 0xffe00000 0x100000>; + bus-frequency = <0>; // Filled out by uboot. + + ecm-law@0 { + compatible = "fsl,ecm-law"; + reg = <0x0 0x1000>; + fsl,num-laws = <12>; + }; + + ecm@1000 { + compatible = "fsl,p1021-ecm", "fsl,ecm"; + reg = <0x1000 0x1000>; + interrupts = <16 2>; + interrupt-parent = <&mpic>; + }; + + memory-controller@2000 { + compatible = "fsl,p1021-memory-controller"; + reg = <0x2000 0x1000>; + interrupt-parent = <&mpic>; + interrupts = <16 2>; + }; + + i2c@3000 { + #address-cells = <1>; + #size-cells = <0>; + cell-index = <0>; + compatible = "fsl-i2c"; + reg = <0x3000 0x100>; + interrupts = <43 2>; + interrupt-parent = <&mpic>; + dfsrr; + rtc@68 { + compatible = "dallas,ds1374"; + reg = <0x68>; + }; + }; + + i2c@3100 { + #address-cells = <1>; + #size-cells = <0>; + cell-index = <1>; + compatible = "fsl-i2c"; + reg = <0x3100 0x100>; + interrupts = <43 2>; + interrupt-parent = <&mpic>; + dfsrr; + }; + + serial0: serial@4500 { + cell-index = <0>; + device_type = "serial"; + compatible = "ns16550"; + reg = <0x4500 0x100>; + clock-frequency = <0>; + interrupts = <42 2>; + interrupt-parent = <&mpic>; + }; + + serial1: serial@4600 { + cell-index = <1>; + device_type = "serial"; + compatible = "ns16550"; + reg = <0x4600 0x100>; + clock-frequency = <0>; + interrupts = <42 2>; + interrupt-parent = <&mpic>; + }; + + spi@7000 { + cell-index = <0>; + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,espi"; + reg = <0x7000 0x1000>; + interrupts = <59 0x2>; + interrupt-parent = <&mpic>; + espi,num-ss-bits = <4>; + mode = "cpu"; + + fsl_m25p80@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,espi-flash"; + reg = <0>; + linux,modalias = "fsl_m25p80"; + spi-max-frequency = <40000000>; /* input clock */ + partition@u-boot { + label = "u-boot-spi"; + reg = <0x00000000 0x00100000>; + read-only; + }; + partition@kernel { + label = "kernel-spi"; + reg = <0x00100000 0x00500000>; + read-only; + }; + partition@dtb { + label = "dtb-spi"; + reg = <0x00600000 0x00100000>; + read-only; + }; + partition@fs { + label = "file system-spi"; + reg = <0x00700000 0x00900000>; + }; + }; + }; + + gpio: gpio-controller@f000 { + #gpio-cells = <2>; + compatible = "fsl,mpc8572-gpio"; + reg = <0xf000 0x100>; + interrupts = <47 0x2>; + interrupt-parent = <&mpic>; + gpio-controller; + }; + + L2: l2-cache-controller@20000 { + compatible = "fsl,p1021-l2-cache-controller"; + reg = <0x20000 0x1000>; + cache-line-size = <32>; // 32 bytes + cache-size = <0x40000>; // L2,256K + interrupt-parent = <&mpic>; + interrupts = <16 2>; + }; + + dma@21300 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,eloplus-dma"; + reg = <0x21300 0x4>; + ranges = <0x0 0x21100 0x200>; + cell-index = <0>; + dma-channel@0 { + compatible = "fsl,eloplus-dma-channel"; + reg = <0x0 0x80>; + cell-index = <0>; + interrupt-parent = <&mpic>; + interrupts = <20 2>; + }; + dma-channel@80 { + compatible = "fsl,eloplus-dma-channel"; + reg = <0x80 0x80>; + cell-index = <1>; + interrupt-parent = <&mpic>; + interrupts = <21 2>; + }; + dma-channel@100 { + compatible = "fsl,eloplus-dma-channel"; + reg = <0x100 0x80>; + cell-index = <2>; + interrupt-parent = <&mpic>; + interrupts = <22 2>; + }; + dma-channel@180 { + compatible = "fsl,eloplus-dma-channel"; + reg = <0x180 0x80>; + cell-index = <3>; + interrupt-parent = <&mpic>; + interrupts = <23 2>; + }; + }; + + usb@22000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl-usb2-dr"; + reg = <0x22000 0x1000>; + interrupt-parent = <&mpic>; + interrupts = <28 0x2>; + phy_type = "ulpi"; + }; + + mdio@24000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,etsec2-mdio"; + reg = <0x24000 0x1000 0xb0030 0x4>; + + phy0: ethernet-phy@0 { + interrupt-parent = <&mpic>; + interrupts = <1 1>; + reg = <0x0>; + }; + phy1: ethernet-phy@1 { + interrupt-parent = <&mpic>; + interrupts = <2 1>; + reg = <0x1>; + }; + phy4: ethernet-phy@4 { + interrupt-parent = <&mpic>; + reg = <0x4>; + }; + }; + + mdio@25000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,etsec2-tbi"; + reg = <0x25000 0x1000 0xb1030 0x4>; + tbi0: tbi-phy@11 { + reg = <0x11>; + device_type = "tbi-phy"; + }; + }; + + enet0: ethernet@B0000 { + #address-cells = <1>; + #size-cells = <1>; + cell-index = <0>; + device_type = "network"; + model = "eTSEC"; + compatible = "fsl,etsec2"; + fsl,num_rx_queues = <0x8>; + fsl,num_tx_queues = <0x8>; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupt-parent = <&mpic>; + phy-handle = <&phy0>; + phy-connection-type = "rgmii-id"; + queue-group@0{ + #address-cells = <1>; + #size-cells = <1>; + reg = <0xB0000 0x1000>; + interrupts = <29 2 30 2 34 2>; + }; + queue-group@1{ + #address-cells = <1>; + #size-cells = <1>; + reg = <0xB4000 0x1000>; + interrupts = <17 2 18 2 24 2>; + }; + }; + + enet1: ethernet@B1000 { + #address-cells = <1>; + #size-cells = <1>; + cell-index = <0>; + device_type = "network"; + model = "eTSEC"; + compatible = "fsl,etsec2"; + fsl,num_rx_queues = <0x8>; + fsl,num_tx_queues = <0x8>; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupt-parent = <&mpic>; + phy-handle = <&phy4>; + tbi-handle = <&tbi0>; + phy-connection-type = "sgmii"; + queue-group@0{ + #address-cells = <1>; + #size-cells = <1>; + reg = <0xB1000 0x1000>; + interrupts = <35 2 36 2 40 2>; + }; + queue-group@1{ + #address-cells = <1>; + #size-cells = <1>; + reg = <0xB5000 0x1000>; + interrupts = <51 2 52 2 67 2>; + }; + }; + + enet2: ethernet@B2000 { + #address-cells = <1>; + #size-cells = <1>; + cell-index = <0>; + device_type = "network"; + model = "eTSEC"; + compatible = "fsl,etsec2"; + fsl,num_rx_queues = <0x8>; + fsl,num_tx_queues = <0x8>; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupt-parent = <&mpic>; + phy-handle = <&phy1>; + phy-connection-type = "rgmii-id"; + queue-group@0{ + #address-cells = <1>; + #size-cells = <1>; + reg = <0xB2000 0x1000>; + interrupts = <31 2 32 2 33 2>; + }; + queue-group@1{ + #address-cells = <1>; + #size-cells = <1>; + reg = <0xB6000 0x1000>; + interrupts = <25 2 26 2 27 2>; + }; + }; + + sdhci@2e000 { + compatible = "fsl,p1021-esdhc", "fsl,esdhc"; + reg = <0x2e000 0x1000>; + interrupts = <72 0x2>; + interrupt-parent = <&mpic>; + /* Filled in by U-Boot */ + clock-frequency = <0>; + }; + + crypto@30000 { + compatible = "fsl,sec3.3", "fsl,sec3.1", + "fsl,sec3.0", "fsl,sec2.4", + "fsl,sec2.2", "fsl,sec2.1", "fsl,sec2.0"; + reg = <0x30000 0x10000>; + interrupts = <45 2 58 2>; + interrupt-parent = <&mpic>; + fsl,num-channels = <4>; + fsl,channel-fifo-len = <24>; + fsl,exec-units-mask = <0x97c>; + fsl,descriptor-types-mask = <0x3a30abf>; + }; + + mpic: pic@40000 { + interrupt-controller; + #address-cells = <0>; + #interrupt-cells = <2>; + reg = <0x40000 0x40000>; + compatible = "chrp,open-pic"; + device_type = "open-pic"; + }; + + msi@41600 { + compatible = "fsl,p1021-msi", "fsl,mpic-msi"; + reg = <0x41600 0x80>; + msi-available-ranges = <0 0x100>; + interrupts = < + 0xe0 0 + 0xe1 0 + 0xe2 0 + 0xe3 0 + 0xe4 0 + 0xe5 0 + 0xe6 0 + 0xe7 0>; + interrupt-parent = <&mpic>; + }; + + global-utilities@e0000 { //global utilities block + compatible = "fsl,p1021-guts"; + reg = <0xe0000 0x1000>; + fsl,has-rstcr; + }; + + par_io@e0100 { + #address-cells = <1>; + #size-cells = <1>; + reg = <0xe0100 0x60>; + ranges = <0x0 0xe0100 0x60>; + device_type = "par_io"; + num-ports = <3>; + pio1: ucc_pin@01 { + pio-map = < + /* port pin dir open_drain assignment has_irq */ + 0x1 0x13 0x1 0x0 0x1 0x0 /* QE_MUX_MDC */ + 0x1 0x14 0x3 0x0 0x1 0x0 /* QE_MUX_MDIO */ + 0x0 0x17 0x2 0x0 0x2 0x0 /* CLK12 */ + 0x0 0x18 0x2 0x0 0x1 0x0 /* CLK9 +*/ + 0x0 0x7 0x1 0x0 0x2 0x0 /* ENET1_TXD0_SER1_TXD0 */ + 0x0 0x9 0x1 0x0 0x2 0x0 /* ENET1_TXD1_SER1_TXD1 */ + 0x0 0xb 0x1 0x0 0x2 0x0 /* ENET1_TXD2_SER1_TXD2 */ + 0x0 0xc 0x1 0x0 0x2 0x0 /* ENET1_TXD3_SER1_TXD3 */ + 0x0 0x6 0x2 0x0 0x2 0x0 /* ENET1_RXD0_SER1_RXD0 */ + 0x0 0xa 0x2 0x0 0x2 0x0 /* ENET1_RXD1_SER1_RXD1 */ + 0x0 0xe 0x2 0x0 0x2 0x0 /* ENET1_RXD2_SER1_RXD2 */ + 0x0 0xf 0x2 0x0 0x2 0x0 /* ENET1_RXD3_SER1_RXD3 */ + 0x0 0x5 0x1 0x0 0x2 0x0 /* ENET1_TX_EN_SER1_RTS_B */ + 0x0 0xd 0x1 0x0 0x2 0x0 /* ENET1_TX_ER */ + 0x0 0x4 0x2 0x0 0x2 0x0 /* ENET1_RX_DV_SER1_CTS_B */ + 0x0 0x8 0x2 0x0 0x2 0x0 /* ENET1_RX_ER_SER1_CD_B */ + 0x0 0x11 0x2 0x0 0x2 0x0 /* ENET1_CRS */ + 0x0 0x10 0x2 0x0 0x2 0x0>; /* ENET1_COL */ + }; + + pio2: ucc_pin@02 { + pio-map = < + /* port pin dir open_drain assignment has_irq */ + 0x1 0x13 0x1 0x0 0x1 0x0 /* QE_MUX_MDC */ + 0x1 0x14 0x3 0x0 0x1 0x0 /* QE_MUX_MDIO */ + 0x1 0xb 0x2 0x0 0x1 0x0 /* CLK13 */ + 0x1 0x7 0x1 0x0 0x2 0x0 /* ENET5_TXD0_SER5_TXD0 */ + 0x1 0xa 0x1 0x0 0x2 0x0 /* ENET5_TXD1_SER5_TXD1 */ + 0x1 0x6 0x2 0x0 0x2 0x0 /* ENET5_RXD0_SER5_RXD0 */ + 0x1 0x9 0x2 0x0 0x2 0x0 /* ENET5_RXD1_SER5_RXD1 */ + 0x1 0x5 0x1 0x0 0x2 0x0 /* ENET5_TX_EN_SER5_RTS_B */ + 0x1 0x4 0x2 0x0 0x2 0x0 /* ENET5_RX_DV_SER5_CTS_B */ + 0x1 0x8 0x2 0x0 0x2 0x0>; /* ENET5_RX_ER_SER5_CD_B */ + }; + }; + }; + + pci0: pcie@ffe09000 { + compatible = "fsl,mpc8548-pcie"; + device_type = "pci"; + #interrupt-cells = <1>; + #size-cells = <2>; + #address-cells = <3>; + reg = <0 0xffe09000 0 0x1000>; + bus-range = <0 255>; + ranges = <0x2000000 0x0 0xa0000000 0 0xa0000000 0x0 0x20000000 + 0x1000000 0x0 0x00000000 0 0xffc10000 0x0 0x10000>; + clock-frequency = <33333333>; + interrupt-parent = <&mpic>; + interrupts = <16 2>; + interrupt-map-mask = <0xf800 0 0 7>; + interrupt-map = < + /* IDSEL 0x0 */ + 0000 0 0 1 &mpic 4 1 + 0000 0 0 2 &mpic 5 1 + 0000 0 0 3 &mpic 6 1 + 0000 0 0 4 &mpic 7 1 + >; + pcie@0 { + reg = <0x0 0x0 0x0 0x0 0x0>; + #size-cells = <2>; + #address-cells = <3>; + device_type = "pci"; + ranges = <0x2000000 0x0 0xa0000000 + 0x2000000 0x0 0xa0000000 + 0x0 0x20000000 + + 0x1000000 0x0 0x0 + 0x1000000 0x0 0x0 + 0x0 0x100000>; + }; + }; + + pci1: pcie@ffe0a000 { + compatible = "fsl,mpc8548-pcie"; + device_type = "pci"; + #interrupt-cells = <1>; + #size-cells = <2>; + #address-cells = <3>; + reg = <0 0xffe0a000 0 0x1000>; + bus-range = <0 255>; + ranges = <0x2000000 0x0 0xc0000000 0 0xc0000000 0x0 0x20000000 + 0x1000000 0x0 0x00000000 0 0xffc20000 0x0 0x10000>; + clock-frequency = <33333333>; + interrupt-parent = <&mpic>; + interrupts = <16 2>; + interrupt-map-mask = <0xf800 0 0 7>; + interrupt-map = < + /* IDSEL 0x0 */ + 0000 0 0 1 &mpic 0 1 + 0000 0 0 2 &mpic 1 1 + 0000 0 0 3 &mpic 2 1 + 0000 0 0 4 &mpic 3 1 + >; + pcie@0 { + reg = <0x0 0x0 0x0 0x0 0x0>; + #size-cells = <2>; + #address-cells = <3>; + device_type = "pci"; + ranges = <0x2000000 0x0 0xc0000000 + 0x2000000 0x0 0xc0000000 + 0x0 0x20000000 + + 0x1000000 0x0 0x0 + 0x1000000 0x0 0x0 + 0x0 0x100000>; + }; + }; + + qe@ffe80000 { + #address-cells = <1>; + #size-cells = <1>; + device_type = "qe"; + compatible = "fsl,qe"; + ranges = <0x0 0x0 0xffe80000 0x40000>; + reg = <0 0xffe80000 0 0x480>; + brg-frequency = <0>; + bus-frequency = <0>; + fsl,qe-num-riscs = <1>; + fsl,qe-num-snums = <28>; + + qeic: interrupt-controller@80 { + interrupt-controller; + compatible = "fsl,qe-ic"; + #address-cells = <0>; + #interrupt-cells = <1>; + reg = <0x80 0x80>; + interrupts = <63 2 60 2>; //high:47 low:44 + interrupt-parent = <&mpic>; + }; + + enet3: ucc@2000 { + device_type = "network"; + compatible = "ucc_geth"; + cell-index = <1>; + reg = <0x2000 0x200>; + interrupts = <32>; + interrupt-parent = <&qeic>; + local-mac-address = [ 00 00 00 00 00 00 ]; + rx-clock-name = "clk12"; + tx-clock-name = "clk9"; + pio-handle = <&pio1>; + phy-handle = <&qe_phy0>; + phy-connection-type = "mii"; + }; + + mdio@2120 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x2120 0x18>; + compatible = "fsl,ucc-mdio"; + + qe_phy0: ethernet-phy@0 { + interrupt-parent = <&mpic>; + interrupts = <4 1>; + reg = <0x0>; + device_type = "ethernet-phy"; + }; + qe_phy1: ethernet-phy@03 { + interrupt-parent = <&mpic>; + interrupts = <5 1>; + reg = <0x3>; + device_type = "ethernet-phy"; + }; + tbi-phy@11 { + reg = <0x11>; + device_type = "tbi-phy"; + }; + }; + + enet4: ucc@2400 { + device_type = "network"; + compatible = "ucc_geth"; + cell-index = <5>; + reg = <0x2400 0x200>; + interrupts = <40>; + interrupt-parent = <&qeic>; + local-mac-address = [ 00 00 00 00 00 00 ]; + rx-clock-name = "none"; + tx-clock-name = "clk13"; + pio-handle = <&pio2>; + phy-handle = <&qe_phy1>; + phy-connection-type = "rmii"; + }; + + muram@10000 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,qe-muram", "fsl,cpm-muram"; + ranges = <0x0 0x10000 0x6000>; + + data-only@0 { + compatible = "fsl,qe-muram-data", + "fsl,cpm-muram-data"; + reg = <0x0 0x6000>; + }; + }; + }; +}; diff --git a/arch/powerpc/boot/dts/redwood.dts b/arch/powerpc/boot/dts/redwood.dts index d2af32e2bf7a..81636c01d906 100644 --- a/arch/powerpc/boot/dts/redwood.dts +++ b/arch/powerpc/boot/dts/redwood.dts @@ -234,10 +234,132 @@ has-inverted-stacr-oc; has-new-stacr-staopc; }; + }; + PCIE0: pciex@d00000000 { + device_type = "pci"; + #interrupt-cells = <1>; + #size-cells = <2>; + #address-cells = <3>; + compatible = "ibm,plb-pciex-460sx", "ibm,plb-pciex"; + primary; + port = <0x0>; /* port number */ + reg = <0x0000000d 0x00000000 0x20000000 /* Config space access */ + 0x0000000c 0x10000000 0x00001000>; /* Registers */ + dcr-reg = <0x100 0x020>; + sdr-base = <0x300>; + + /* Outbound ranges, one memory and one IO, + * later cannot be changed + */ + ranges = <0x02000000 0x00000000 0x80000000 0x0000000e 0x00000000 0x00000000 0x80000000 + 0x01000000 0x00000000 0x00000000 0x0000000f 0x80000000 0x00000000 0x00010000>; + + /* Inbound 2GB range starting at 0 */ + dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x80000000>; + /* This drives busses 10 to 0x1f */ + bus-range = <0x10 0x1f>; + + /* Legacy interrupts (note the weird polarity, the bridge seems + * to invert PCIe legacy interrupts). + * We are de-swizzling here because the numbers are actually for + * port of the root complex virtual P2P bridge. But I want + * to avoid putting a node for it in the tree, so the numbers + * below are basically de-swizzled numbers. + * The real slot is on idsel 0, so the swizzling is 1:1 + */ + interrupt-map-mask = <0x0 0x0 0x0 0x7>; + interrupt-map = < + 0x0 0x0 0x0 0x1 &UIC3 0x0 0x4 /* swizzled int A */ + 0x0 0x0 0x0 0x2 &UIC3 0x1 0x4 /* swizzled int B */ + 0x0 0x0 0x0 0x3 &UIC3 0x2 0x4 /* swizzled int C */ + 0x0 0x0 0x0 0x4 &UIC3 0x3 0x4 /* swizzled int D */>; + }; + + PCIE1: pciex@d20000000 { + device_type = "pci"; + #interrupt-cells = <1>; + #size-cells = <2>; + #address-cells = <3>; + compatible = "ibm,plb-pciex-460sx", "ibm,plb-pciex"; + primary; + port = <0x1>; /* port number */ + reg = <0x0000000d 0x20000000 0x20000000 /* Config space access */ + 0x0000000c 0x10001000 0x00001000>; /* Registers */ + dcr-reg = <0x120 0x020>; + sdr-base = <0x340>; + + /* Outbound ranges, one memory and one IO, + * later cannot be changed + */ + ranges = <0x02000000 0x00000000 0x80000000 0x0000000e 0x80000000 0x00000000 0x80000000 + 0x01000000 0x00000000 0x00000000 0x0000000f 0x80010000 0x00000000 0x00010000>; + + /* Inbound 2GB range starting at 0 */ + dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x80000000>; + + /* This drives busses 10 to 0x1f */ + bus-range = <0x20 0x2f>; + + /* Legacy interrupts (note the weird polarity, the bridge seems + * to invert PCIe legacy interrupts). + * We are de-swizzling here because the numbers are actually for + * port of the root complex virtual P2P bridge. But I want + * to avoid putting a node for it in the tree, so the numbers + * below are basically de-swizzled numbers. + * The real slot is on idsel 0, so the swizzling is 1:1 + */ + interrupt-map-mask = <0x0 0x0 0x0 0x7>; + interrupt-map = < + 0x0 0x0 0x0 0x1 &UIC3 0x4 0x4 /* swizzled int A */ + 0x0 0x0 0x0 0x2 &UIC3 0x5 0x4 /* swizzled int B */ + 0x0 0x0 0x0 0x3 &UIC3 0x6 0x4 /* swizzled int C */ + 0x0 0x0 0x0 0x4 &UIC3 0x7 0x4 /* swizzled int D */>; + }; + + PCIE2: pciex@d40000000 { + device_type = "pci"; + #interrupt-cells = <1>; + #size-cells = <2>; + #address-cells = <3>; + compatible = "ibm,plb-pciex-460sx", "ibm,plb-pciex"; + primary; + port = <0x2>; /* port number */ + reg = <0x0000000d 0x40000000 0x20000000 /* Config space access */ + 0x0000000c 0x10002000 0x00001000>; /* Registers */ + dcr-reg = <0x140 0x020>; + sdr-base = <0x370>; + + /* Outbound ranges, one memory and one IO, + * later cannot be changed + */ + ranges = <0x02000000 0x00000000 0x80000000 0x0000000f 0x00000000 0x00000000 0x80000000 + 0x01000000 0x00000000 0x00000000 0x0000000f 0x80020000 0x00000000 0x00010000>; + + /* Inbound 2GB range starting at 0 */ + dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x80000000>; + + /* This drives busses 10 to 0x1f */ + bus-range = <0x30 0x3f>; + + /* Legacy interrupts (note the weird polarity, the bridge seems + * to invert PCIe legacy interrupts). + * We are de-swizzling here because the numbers are actually for + * port of the root complex virtual P2P bridge. But I want + * to avoid putting a node for it in the tree, so the numbers + * below are basically de-swizzled numbers. + * The real slot is on idsel 0, so the swizzling is 1:1 + */ + interrupt-map-mask = <0x0 0x0 0x0 0x7>; + interrupt-map = < + 0x0 0x0 0x0 0x1 &UIC3 0x8 0x4 /* swizzled int A */ + 0x0 0x0 0x0 0x2 &UIC3 0x9 0x4 /* swizzled int B */ + 0x0 0x0 0x0 0x3 &UIC3 0xa 0x4 /* swizzled int C */ + 0x0 0x0 0x0 0x4 &UIC3 0xb 0x4 /* swizzled int D */>; }; }; + chosen { linux,stdout-path = "/plb/opb/serial@ef600200"; }; diff --git a/arch/powerpc/configs/44x/icon_defconfig b/arch/powerpc/configs/44x/icon_defconfig new file mode 100644 index 000000000000..277f88c2750f --- /dev/null +++ b/arch/powerpc/configs/44x/icon_defconfig @@ -0,0 +1,1451 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.34-rc7 +# Fri May 21 17:40:22 2010 +# +# CONFIG_PPC64 is not set + +# +# Processor support +# +# CONFIG_PPC_BOOK3S_32 is not set +# CONFIG_PPC_85xx is not set +# CONFIG_PPC_8xx is not set +# CONFIG_40x is not set +CONFIG_44x=y +# CONFIG_E200 is not set +CONFIG_4xx=y +CONFIG_BOOKE=y +CONFIG_PTE_64BIT=y +CONFIG_PHYS_64BIT=y +CONFIG_PPC_MMU_NOHASH=y +CONFIG_PPC_MMU_NOHASH_32=y +# CONFIG_PPC_MM_SLICES is not set +CONFIG_NOT_COHERENT_CACHE=y +CONFIG_PPC32=y +CONFIG_WORD_SIZE=32 +CONFIG_ARCH_PHYS_ADDR_T_64BIT=y +CONFIG_MMU=y +CONFIG_GENERIC_CMOS_UPDATE=y +CONFIG_GENERIC_TIME=y +CONFIG_GENERIC_TIME_VSYSCALL=y +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_GENERIC_HARDIRQS=y +CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y +# CONFIG_HAVE_SETUP_PER_CPU_AREA is not set +# CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK is not set +CONFIG_IRQ_PER_CPU=y +CONFIG_NR_IRQS=512 +CONFIG_STACKTRACE_SUPPORT=y +CONFIG_HAVE_LATENCYTOP_SUPPORT=y +CONFIG_TRACE_IRQFLAGS_SUPPORT=y +CONFIG_LOCKDEP_SUPPORT=y +CONFIG_RWSEM_XCHGADD_ALGORITHM=y +CONFIG_ARCH_HAS_ILOG2_U32=y +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +# CONFIG_ARCH_NO_VIRT_TO_BUS is not set +CONFIG_PPC=y +CONFIG_EARLY_PRINTK=y +CONFIG_GENERIC_NVRAM=y +CONFIG_SCHED_OMIT_FRAME_POINTER=y +CONFIG_ARCH_MAY_HAVE_PC_FDC=y +CONFIG_PPC_OF=y +CONFIG_OF=y +CONFIG_PPC_UDBG_16550=y +# CONFIG_GENERIC_TBSYNC is not set +CONFIG_AUDIT_ARCH=y +CONFIG_GENERIC_BUG=y +CONFIG_DTC=y +# CONFIG_DEFAULT_UIMAGE is not set +CONFIG_ARCH_HIBERNATION_POSSIBLE=y +CONFIG_PPC_DCR_NATIVE=y +# CONFIG_PPC_DCR_MMIO is not set +CONFIG_PPC_DCR=y +CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y +CONFIG_PPC_ADV_DEBUG_REGS=y +CONFIG_PPC_ADV_DEBUG_IACS=4 +CONFIG_PPC_ADV_DEBUG_DACS=2 +CONFIG_PPC_ADV_DEBUG_DVCS=2 +CONFIG_PPC_ADV_DEBUG_DAC_RANGE=y +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" +CONFIG_CONSTRUCTORS=y + +# +# General setup +# +CONFIG_EXPERIMENTAL=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_INIT_ENV_ARG_LIMIT=32 +CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y +CONFIG_SWAP=y +CONFIG_SYSVIPC=y +CONFIG_SYSVIPC_SYSCTL=y +CONFIG_POSIX_MQUEUE=y +CONFIG_POSIX_MQUEUE_SYSCTL=y +# CONFIG_BSD_PROCESS_ACCT is not set +# CONFIG_TASKSTATS is not set +# CONFIG_AUDIT is not set + +# +# RCU Subsystem +# +CONFIG_TREE_RCU=y +# CONFIG_TREE_PREEMPT_RCU is not set +# CONFIG_TINY_RCU is not set +# CONFIG_RCU_TRACE is not set +CONFIG_RCU_FANOUT=32 +# CONFIG_RCU_FANOUT_EXACT is not set +# CONFIG_TREE_RCU_TRACE is not set +# CONFIG_IKCONFIG is not set +CONFIG_LOG_BUF_SHIFT=14 +# CONFIG_CGROUPS is not set +CONFIG_SYSFS_DEPRECATED=y +CONFIG_SYSFS_DEPRECATED_V2=y +# CONFIG_RELAY is not set +# CONFIG_NAMESPACES is not set +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="" +CONFIG_RD_GZIP=y +# CONFIG_RD_BZIP2 is not set +# CONFIG_RD_LZMA is not set +# CONFIG_RD_LZO is not set +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SYSCTL=y +CONFIG_ANON_INODES=y +CONFIG_EMBEDDED=y +CONFIG_SYSCTL_SYSCALL=y +CONFIG_KALLSYMS=y +# CONFIG_KALLSYMS_ALL is not set +# CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +# CONFIG_LOGBUFFER is not set +CONFIG_BUG=y +CONFIG_ELF_CORE=y +CONFIG_BASE_FULL=y +CONFIG_FUTEX=y +CONFIG_EPOLL=y +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y +CONFIG_SHMEM=y +CONFIG_AIO=y +CONFIG_HAVE_PERF_EVENTS=y + +# +# Kernel Performance Events And Counters +# +# CONFIG_PERF_EVENTS is not set +# CONFIG_PERF_COUNTERS is not set +CONFIG_VM_EVENT_COUNTERS=y +CONFIG_PCI_QUIRKS=y +CONFIG_SLUB_DEBUG=y +CONFIG_COMPAT_BRK=y +# CONFIG_SLAB is not set +CONFIG_SLUB=y +# CONFIG_SLOB is not set +# CONFIG_PROFILING is not set +CONFIG_HAVE_OPROFILE=y +# CONFIG_KPROBES is not set +CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y +CONFIG_HAVE_IOREMAP_PROT=y +CONFIG_HAVE_KPROBES=y +CONFIG_HAVE_KRETPROBES=y +CONFIG_HAVE_ARCH_TRACEHOOK=y +CONFIG_HAVE_DMA_ATTRS=y +CONFIG_HAVE_DMA_API_DEBUG=y + +# +# GCOV-based kernel profiling +# +# CONFIG_SLOW_WORK is not set +# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set +CONFIG_SLABINFO=y +CONFIG_RT_MUTEXES=y +CONFIG_BASE_SMALL=0 +CONFIG_MODULES=y +# CONFIG_MODULE_FORCE_LOAD is not set +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +# CONFIG_MODVERSIONS is not set +# CONFIG_MODULE_SRCVERSION_ALL is not set +CONFIG_BLOCK=y +CONFIG_LBDAF=y +# CONFIG_BLK_DEV_BSG is not set +# CONFIG_BLK_DEV_INTEGRITY is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +# CONFIG_DEFAULT_DEADLINE is not set +CONFIG_DEFAULT_CFQ=y +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="cfq" +# CONFIG_INLINE_SPIN_TRYLOCK is not set +# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set +# CONFIG_INLINE_SPIN_LOCK is not set +# CONFIG_INLINE_SPIN_LOCK_BH is not set +# CONFIG_INLINE_SPIN_LOCK_IRQ is not set +# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set +CONFIG_INLINE_SPIN_UNLOCK=y +# CONFIG_INLINE_SPIN_UNLOCK_BH is not set +CONFIG_INLINE_SPIN_UNLOCK_IRQ=y +# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set +# CONFIG_INLINE_READ_TRYLOCK is not set +# CONFIG_INLINE_READ_LOCK is not set +# CONFIG_INLINE_READ_LOCK_BH is not set +# CONFIG_INLINE_READ_LOCK_IRQ is not set +# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set +CONFIG_INLINE_READ_UNLOCK=y +# CONFIG_INLINE_READ_UNLOCK_BH is not set +CONFIG_INLINE_READ_UNLOCK_IRQ=y +# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set +# CONFIG_INLINE_WRITE_TRYLOCK is not set +# CONFIG_INLINE_WRITE_LOCK is not set +# CONFIG_INLINE_WRITE_LOCK_BH is not set +# CONFIG_INLINE_WRITE_LOCK_IRQ is not set +# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set +CONFIG_INLINE_WRITE_UNLOCK=y +# CONFIG_INLINE_WRITE_UNLOCK_BH is not set +CONFIG_INLINE_WRITE_UNLOCK_IRQ=y +# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set +# CONFIG_MUTEX_SPIN_ON_OWNER is not set +# CONFIG_FREEZER is not set +CONFIG_PPC4xx_PCI_EXPRESS=y + +# +# Platform support +# +# CONFIG_PPC_CELL is not set +# CONFIG_PPC_CELL_NATIVE is not set +# CONFIG_PQ2ADS is not set +# CONFIG_BAMBOO is not set +# CONFIG_EBONY is not set +# CONFIG_SAM440EP is not set +# CONFIG_SEQUOIA is not set +# CONFIG_TAISHAN is not set +# CONFIG_KATMAI is not set +# CONFIG_RAINIER is not set +# CONFIG_WARP is not set +# CONFIG_ARCHES is not set +# CONFIG_CANYONLANDS is not set +# CONFIG_GLACIER is not set +# CONFIG_REDWOOD is not set +# CONFIG_EIGER is not set +# CONFIG_YOSEMITE is not set +CONFIG_ICON=y +# CONFIG_XILINX_VIRTEX440_GENERIC_BOARD is not set +CONFIG_PPC44x_SIMPLE=y +# CONFIG_PPC4xx_GPIO is not set +CONFIG_440SPe=y +CONFIG_STDBINUTILS=y +# CONFIG_IPIC is not set +# CONFIG_MPIC is not set +# CONFIG_MPIC_WEIRD is not set +# CONFIG_PPC_I8259 is not set +# CONFIG_PPC_RTAS is not set +# CONFIG_MMIO_NVRAM is not set +# CONFIG_PPC_MPC106 is not set +# CONFIG_PPC_970_NAP is not set +# CONFIG_PPC_INDIRECT_IO is not set +# CONFIG_GENERIC_IOMAP is not set +# CONFIG_CPU_FREQ is not set +# CONFIG_FSL_ULI1575 is not set +# CONFIG_SIMPLE_GPIO is not set + +# +# Kernel options +# +CONFIG_HIGHMEM=y +# CONFIG_NO_HZ is not set +# CONFIG_HIGH_RES_TIMERS is not set +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y +# CONFIG_HZ_100 is not set +CONFIG_HZ_250=y +# CONFIG_HZ_300 is not set +# CONFIG_HZ_1000 is not set +CONFIG_HZ=250 +# CONFIG_SCHED_HRTICK is not set +CONFIG_PREEMPT_NONE=y +# CONFIG_PREEMPT_VOLUNTARY is not set +# CONFIG_PREEMPT is not set +CONFIG_BINFMT_ELF=y +# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set +# CONFIG_HAVE_AOUT is not set +# CONFIG_BINFMT_MISC is not set +# CONFIG_MATH_EMULATION is not set +# CONFIG_IOMMU_HELPER is not set +# CONFIG_SWIOTLB is not set +CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y +CONFIG_ARCH_HAS_WALK_MEMORY=y +CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y +CONFIG_SPARSE_IRQ=y +CONFIG_MAX_ACTIVE_REGIONS=32 +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_ARCH_POPULATES_NODE_MAP=y +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_SPLIT_PTLOCK_CPUS=4 +CONFIG_MIGRATION=y +CONFIG_PHYS_ADDR_T_64BIT=y +CONFIG_ZONE_DMA_FLAG=1 +CONFIG_BOUNCE=y +CONFIG_VIRT_TO_BUS=y +# CONFIG_KSM is not set +CONFIG_DEFAULT_MMAP_MIN_ADDR=4096 +CONFIG_PPC_4K_PAGES=y +# CONFIG_PPC_16K_PAGES is not set +# CONFIG_PPC_64K_PAGES is not set +# CONFIG_PPC_256K_PAGES is not set +CONFIG_FORCE_MAX_ZONEORDER=11 +CONFIG_PROC_DEVICETREE=y +CONFIG_CMDLINE_BOOL=y +CONFIG_CMDLINE="" +CONFIG_EXTRA_TARGETS="" +# CONFIG_ARCH_HAS_NMI_WATCHDOG is not set +CONFIG_SECCOMP=y +CONFIG_ISA_DMA_API=y + +# +# Bus options +# +CONFIG_ZONE_DMA=y +CONFIG_NEED_DMA_MAP_STATE=y +CONFIG_PPC_INDIRECT_PCI=y +CONFIG_4xx_SOC=y +CONFIG_PPC_PCI_CHOICE=y +CONFIG_PCI=y +CONFIG_PCI_DOMAINS=y +CONFIG_PCI_SYSCALL=y +CONFIG_PCIEPORTBUS=y +CONFIG_PCIEAER=y +# CONFIG_PCIE_ECRC is not set +# CONFIG_PCIEAER_INJECT is not set +# CONFIG_PCIEASPM is not set +CONFIG_ARCH_SUPPORTS_MSI=y +# CONFIG_PCI_MSI is not set +# CONFIG_PCI_DEBUG is not set +# CONFIG_PCI_STUB is not set +# CONFIG_PCI_IOV is not set +# CONFIG_PCCARD is not set +# CONFIG_HOTPLUG_PCI is not set +# CONFIG_HAS_RAPIDIO is not set + +# +# Advanced setup +# +# CONFIG_ADVANCED_OPTIONS is not set + +# +# Default settings for advanced configuration options are used +# +CONFIG_LOWMEM_SIZE=0x30000000 +CONFIG_PAGE_OFFSET=0xc0000000 +CONFIG_KERNEL_START=0xc0000000 +CONFIG_PHYSICAL_START=0x00000000 +CONFIG_TASK_SIZE=0xc0000000 +CONFIG_CONSISTENT_SIZE=0x00200000 +CONFIG_NET=y + +# +# Networking options +# +CONFIG_PACKET=y +CONFIG_UNIX=y +# CONFIG_NET_KEY is not set +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +CONFIG_IP_PNP_BOOTP=y +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_ARPD is not set +# CONFIG_SYN_COOKIES is not set +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_TRANSPORT is not set +# CONFIG_INET_XFRM_MODE_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_BEET is not set +# CONFIG_INET_LRO is not set +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set +# CONFIG_IP_DCCP is not set +# CONFIG_IP_SCTP is not set +# CONFIG_RDS is not set +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_NET_DSA is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set +# CONFIG_PHONET is not set +# CONFIG_IEEE802154 is not set +# CONFIG_NET_SCHED is not set +# CONFIG_DCB is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_CAN is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_AF_RXRPC is not set +CONFIG_WIRELESS=y +# CONFIG_CFG80211 is not set +# CONFIG_LIB80211 is not set + +# +# CFG80211 needs to be enabled for MAC80211 +# +# CONFIG_WIMAX is not set +# CONFIG_RFKILL is not set +# CONFIG_NET_9P is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +# CONFIG_DEVTMPFS is not set +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +CONFIG_FW_LOADER=y +CONFIG_FIRMWARE_IN_KERNEL=y +CONFIG_EXTRA_FIRMWARE="" +# CONFIG_DEBUG_DRIVER is not set +# CONFIG_DEBUG_DEVRES is not set +# CONFIG_SYS_HYPERVISOR is not set +CONFIG_CONNECTOR=y +CONFIG_PROC_EVENTS=y +CONFIG_MTD=y +# CONFIG_MTD_DEBUG is not set +# CONFIG_MTD_TESTS is not set +# CONFIG_MTD_CONCAT is not set +CONFIG_MTD_PARTITIONS=y +# CONFIG_MTD_REDBOOT_PARTS is not set +CONFIG_MTD_CMDLINE_PARTS=y +CONFIG_MTD_OF_PARTS=y +# CONFIG_MTD_AR7_PARTS is not set + +# +# User Modules And Translation Layers +# +CONFIG_MTD_CHAR=y +CONFIG_MTD_BLKDEVS=y +CONFIG_MTD_BLOCK=y +# CONFIG_FTL is not set +# CONFIG_NFTL is not set +# CONFIG_INFTL is not set +# CONFIG_RFD_FTL is not set +# CONFIG_SSFDC is not set +# CONFIG_MTD_OOPS is not set + +# +# RAM/ROM/Flash chip drivers +# +CONFIG_MTD_CFI=y +# CONFIG_MTD_JEDECPROBE is not set +CONFIG_MTD_GEN_PROBE=y +# CONFIG_MTD_CFI_ADV_OPTIONS is not set +CONFIG_MTD_MAP_BANK_WIDTH_1=y +CONFIG_MTD_MAP_BANK_WIDTH_2=y +CONFIG_MTD_MAP_BANK_WIDTH_4=y +# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set +CONFIG_MTD_CFI_I1=y +CONFIG_MTD_CFI_I2=y +# CONFIG_MTD_CFI_I4 is not set +# CONFIG_MTD_CFI_I8 is not set +# CONFIG_MTD_CFI_INTELEXT is not set +CONFIG_MTD_CFI_AMDSTD=y +# CONFIG_MTD_CFI_STAA is not set +CONFIG_MTD_CFI_UTIL=y +# CONFIG_MTD_RAM is not set +# CONFIG_MTD_ROM is not set +# CONFIG_MTD_ABSENT is not set + +# +# Mapping drivers for chip access +# +# CONFIG_MTD_COMPLEX_MAPPINGS is not set +# CONFIG_MTD_PHYSMAP is not set +CONFIG_MTD_PHYSMAP_OF=y +# CONFIG_MTD_INTEL_VR_NOR is not set +# CONFIG_MTD_PLATRAM is not set + +# +# Self-contained MTD device drivers +# +# CONFIG_MTD_PMC551 is not set +# CONFIG_MTD_SLRAM is not set +# CONFIG_MTD_PHRAM is not set +# CONFIG_MTD_MTDRAM is not set +# CONFIG_MTD_BLOCK2MTD is not set + +# +# Disk-On-Chip Device Drivers +# +# CONFIG_MTD_DOC2000 is not set +# CONFIG_MTD_DOC2001 is not set +# CONFIG_MTD_DOC2001PLUS is not set +# CONFIG_MTD_NAND is not set +# CONFIG_MTD_ONENAND is not set + +# +# LPDDR flash memory drivers +# +# CONFIG_MTD_LPDDR is not set + +# +# UBI - Unsorted block images +# +# CONFIG_MTD_UBI is not set +CONFIG_OF_FLATTREE=y +CONFIG_OF_DYNAMIC=y +CONFIG_OF_DEVICE=y +CONFIG_OF_I2C=y +# CONFIG_PARPORT is not set +CONFIG_BLK_DEV=y +# CONFIG_BLK_DEV_FD is not set +# CONFIG_BLK_CPQ_DA is not set +# CONFIG_BLK_CPQ_CISS_DA is not set +# CONFIG_BLK_DEV_DAC960 is not set +# CONFIG_BLK_DEV_UMEM is not set +# CONFIG_BLK_DEV_COW_COMMON is not set +# CONFIG_BLK_DEV_LOOP is not set +# CONFIG_BLK_DEV_DRBD is not set +# CONFIG_BLK_DEV_NBD is not set +# CONFIG_BLK_DEV_SX8 is not set +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 +CONFIG_BLK_DEV_RAM_SIZE=35000 +# CONFIG_BLK_DEV_XIP is not set +# CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set +CONFIG_XILINX_SYSACE=y +# CONFIG_BLK_DEV_HD is not set +# CONFIG_MISC_DEVICES is not set +CONFIG_HAVE_IDE=y +# CONFIG_IDE is not set + +# +# SCSI device support +# +CONFIG_SCSI_MOD=y +# CONFIG_RAID_ATTRS is not set +CONFIG_SCSI=y +CONFIG_SCSI_DMA=y +# CONFIG_SCSI_TGT is not set +# CONFIG_SCSI_NETLINK is not set +CONFIG_SCSI_PROC_FS=y + +# +# SCSI support type (disk, tape, CD-ROM) +# +CONFIG_BLK_DEV_SD=y +# CONFIG_CHR_DEV_ST is not set +# CONFIG_CHR_DEV_OSST is not set +# CONFIG_BLK_DEV_SR is not set +# CONFIG_CHR_DEV_SG is not set +# CONFIG_CHR_DEV_SCH is not set +# CONFIG_SCSI_MULTI_LUN is not set +CONFIG_SCSI_CONSTANTS=y +CONFIG_SCSI_LOGGING=y +# CONFIG_SCSI_SCAN_ASYNC is not set +CONFIG_SCSI_WAIT_SCAN=m + +# +# SCSI Transports +# +# CONFIG_SCSI_SPI_ATTRS is not set +# CONFIG_SCSI_FC_ATTRS is not set +# CONFIG_SCSI_ISCSI_ATTRS is not set +CONFIG_SCSI_SAS_ATTRS=y +# CONFIG_SCSI_SAS_LIBSAS is not set +# CONFIG_SCSI_SRP_ATTRS is not set +# CONFIG_SCSI_LOWLEVEL is not set +# CONFIG_SCSI_DH is not set +# CONFIG_SCSI_OSD_INITIATOR is not set +# CONFIG_ATA is not set +# CONFIG_MD is not set +CONFIG_FUSION=y +# CONFIG_FUSION_SPI is not set +# CONFIG_FUSION_FC is not set +CONFIG_FUSION_SAS=y +CONFIG_FUSION_MAX_SGE=128 +CONFIG_FUSION_CTL=y +CONFIG_FUSION_LOGGING=y + +# +# IEEE 1394 (FireWire) support +# + +# +# You can enable one or both FireWire driver stacks. +# + +# +# The newer stack is recommended. +# +# CONFIG_FIREWIRE is not set +# CONFIG_IEEE1394 is not set +# CONFIG_I2O is not set +# CONFIG_MACINTOSH_DRIVERS is not set +CONFIG_NETDEVICES=y +# CONFIG_DUMMY is not set +# CONFIG_BONDING is not set +# CONFIG_MACVLAN is not set +# CONFIG_EQUALIZER is not set +# CONFIG_TUN is not set +# CONFIG_VETH is not set +# CONFIG_ARCNET is not set +# CONFIG_PHYLIB is not set +CONFIG_NET_ETHERNET=y +# CONFIG_MII is not set +# CONFIG_HAPPYMEAL is not set +# CONFIG_SUNGEM is not set +# CONFIG_CASSINI is not set +# CONFIG_NET_VENDOR_3COM is not set +# CONFIG_ETHOC is not set +# CONFIG_DNET is not set +# CONFIG_NET_TULIP is not set +# CONFIG_HP100 is not set +CONFIG_IBM_NEW_EMAC=y +CONFIG_IBM_NEW_EMAC_RXB=128 +CONFIG_IBM_NEW_EMAC_TXB=64 +CONFIG_IBM_NEW_EMAC_POLL_WEIGHT=32 +CONFIG_IBM_NEW_EMAC_RX_COPY_THRESHOLD=256 +CONFIG_IBM_NEW_EMAC_RX_SKB_HEADROOM=0 +# CONFIG_IBM_NEW_EMAC_DEBUG is not set +# CONFIG_IBM_NEW_EMAC_ZMII is not set +# CONFIG_IBM_NEW_EMAC_RGMII is not set +# CONFIG_IBM_NEW_EMAC_TAH is not set +CONFIG_IBM_NEW_EMAC_EMAC4=y +# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set +# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set +# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set +# CONFIG_NET_PCI is not set +# CONFIG_B44 is not set +# CONFIG_KS8842 is not set +# CONFIG_KS8851_MLL is not set +# CONFIG_ATL2 is not set +# CONFIG_XILINX_EMACLITE is not set +# CONFIG_NETDEV_1000 is not set +# CONFIG_NETDEV_10000 is not set +# CONFIG_TR is not set +# CONFIG_WLAN is not set + +# +# Enable WiMAX (Networking options) to see the WiMAX drivers +# +# CONFIG_WAN is not set +# CONFIG_FDDI is not set +# CONFIG_HIPPI is not set +# CONFIG_PPP is not set +# CONFIG_SLIP is not set +# CONFIG_NET_FC is not set +# CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set +# CONFIG_VMXNET3 is not set +# CONFIG_ISDN is not set +# CONFIG_PHONE is not set + +# +# Input device support +# +CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set +# CONFIG_INPUT_POLLDEV is not set +# CONFIG_INPUT_SPARSEKMAP is not set + +# +# Userland interfaces +# +CONFIG_INPUT_MOUSEDEV=y +CONFIG_INPUT_MOUSEDEV_PSAUX=y +CONFIG_INPUT_MOUSEDEV_SCREEN_X=640 +CONFIG_INPUT_MOUSEDEV_SCREEN_Y=480 +# CONFIG_INPUT_JOYDEV is not set +# CONFIG_INPUT_EVDEV is not set +# CONFIG_INPUT_EVBUG is not set + +# +# Input Device Drivers +# +CONFIG_INPUT_KEYBOARD=y +# CONFIG_KEYBOARD_ADP5588 is not set +CONFIG_KEYBOARD_ATKBD=y +# CONFIG_QT2160 is not set +# CONFIG_KEYBOARD_LKKBD is not set +# CONFIG_KEYBOARD_MAX7359 is not set +# CONFIG_KEYBOARD_NEWTON is not set +# CONFIG_KEYBOARD_OPENCORES is not set +# CONFIG_KEYBOARD_STOWAWAY is not set +# CONFIG_KEYBOARD_SUNKBD is not set +# CONFIG_KEYBOARD_XTKBD is not set +CONFIG_INPUT_MOUSE=y +CONFIG_MOUSE_PS2=y +# CONFIG_MOUSE_PS2_ALPS is not set +# CONFIG_MOUSE_PS2_LOGIPS2PP is not set +# CONFIG_MOUSE_PS2_SYNAPTICS is not set +# CONFIG_MOUSE_PS2_TRACKPOINT is not set +# CONFIG_MOUSE_PS2_ELANTECH is not set +# CONFIG_MOUSE_PS2_SENTELIC is not set +# CONFIG_MOUSE_PS2_TOUCHKIT is not set +# CONFIG_MOUSE_SERIAL is not set +# CONFIG_MOUSE_VSXXXAA is not set +# CONFIG_MOUSE_SYNAPTICS_I2C is not set +# CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TABLET is not set +# CONFIG_INPUT_TOUCHSCREEN is not set +# CONFIG_INPUT_MISC is not set + +# +# Hardware I/O ports +# +CONFIG_SERIO=y +CONFIG_SERIO_I8042=y +CONFIG_SERIO_SERPORT=y +# CONFIG_SERIO_PCIPS2 is not set +CONFIG_SERIO_LIBPS2=y +# CONFIG_SERIO_RAW is not set +# CONFIG_SERIO_XILINX_XPS_PS2 is not set +# CONFIG_SERIO_ALTERA_PS2 is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +CONFIG_VT=y +CONFIG_CONSOLE_TRANSLATIONS=y +CONFIG_VT_CONSOLE=y +CONFIG_HW_CONSOLE=y +# CONFIG_VT_HW_CONSOLE_BINDING is not set +CONFIG_DEVKMEM=y +# CONFIG_SERIAL_NONSTANDARD is not set +# CONFIG_NOZOMI is not set + +# +# Serial drivers +# +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +# CONFIG_SERIAL_8250_PCI is not set +CONFIG_SERIAL_8250_NR_UARTS=4 +CONFIG_SERIAL_8250_RUNTIME_UARTS=4 +CONFIG_SERIAL_8250_EXTENDED=y +# CONFIG_SERIAL_8250_MANY_PORTS is not set +CONFIG_SERIAL_8250_SHARE_IRQ=y +# CONFIG_SERIAL_8250_DETECT_IRQ is not set +# CONFIG_SERIAL_8250_RSA is not set + +# +# Non-8250 serial port support +# +# CONFIG_SERIAL_UARTLITE is not set +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +# CONFIG_SERIAL_JSM is not set +CONFIG_SERIAL_OF_PLATFORM=y +# CONFIG_SERIAL_OF_PLATFORM_NWPSERIAL is not set +# CONFIG_SERIAL_TIMBERDALE is not set +# CONFIG_SERIAL_GRLIB_GAISLER_APBUART is not set +CONFIG_UNIX98_PTYS=y +# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set +CONFIG_LEGACY_PTYS=y +CONFIG_LEGACY_PTY_COUNT=256 +# CONFIG_HVC_UDBG is not set +# CONFIG_IPMI_HANDLER is not set +# CONFIG_HW_RANDOM is not set +# CONFIG_NVRAM is not set +# CONFIG_R3964 is not set +# CONFIG_APPLICOM is not set +# CONFIG_RAW_DRIVER is not set +# CONFIG_BOOTCOUNT is not set +# CONFIG_DISPLAY_PDSP1880 is not set +# CONFIG_MUCMC52_IO is not set +# CONFIG_UC101_IO is not set +# CONFIG_SRAM is not set +# CONFIG_TCG_TPM is not set +CONFIG_DEVPORT=y +CONFIG_I2C=y +CONFIG_I2C_BOARDINFO=y +CONFIG_I2C_COMPAT=y +CONFIG_I2C_CHARDEV=y +CONFIG_I2C_HELPER_AUTO=y + +# +# I2C Hardware Bus support +# + +# +# PC SMBus host controller drivers +# +# CONFIG_I2C_ALI1535 is not set +# CONFIG_I2C_ALI1563 is not set +# CONFIG_I2C_ALI15X3 is not set +# CONFIG_I2C_AMD756 is not set +# CONFIG_I2C_AMD8111 is not set +# CONFIG_I2C_I801 is not set +# CONFIG_I2C_ISCH is not set +# CONFIG_I2C_PIIX4 is not set +# CONFIG_I2C_NFORCE2 is not set +# CONFIG_I2C_SIS5595 is not set +# CONFIG_I2C_SIS630 is not set +# CONFIG_I2C_SIS96X is not set +# CONFIG_I2C_VIA is not set +# CONFIG_I2C_VIAPRO is not set + +# +# I2C system bus drivers (mostly embedded / system-on-chip) +# +CONFIG_I2C_IBM_IIC=y +# CONFIG_I2C_MPC is not set +# CONFIG_I2C_OCORES is not set +# CONFIG_I2C_SIMTEC is not set +# CONFIG_I2C_XILINX is not set + +# +# External I2C/SMBus adapter drivers +# +# CONFIG_I2C_PARPORT_LIGHT is not set +# CONFIG_I2C_TAOS_EVM is not set + +# +# Other I2C/SMBus bus drivers +# +# CONFIG_I2C_PCA_PLATFORM is not set +# CONFIG_I2C_STUB is not set +# CONFIG_I2C_DEBUG_CORE is not set +# CONFIG_I2C_DEBUG_ALGO is not set +# CONFIG_I2C_DEBUG_BUS is not set +# CONFIG_SPI is not set + +# +# PPS support +# +# CONFIG_PPS is not set +CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y +# CONFIG_GPIOLIB is not set +# CONFIG_W1 is not set +# CONFIG_POWER_SUPPLY is not set +# CONFIG_HWMON is not set +# CONFIG_THERMAL is not set +# CONFIG_WATCHDOG is not set +CONFIG_SSB_POSSIBLE=y + +# +# Sonics Silicon Backplane +# +# CONFIG_SSB is not set + +# +# Multifunction device drivers +# +# CONFIG_MFD_CORE is not set +# CONFIG_MFD_88PM860X is not set +CONFIG_MFD_SM501=y +# CONFIG_HTC_PASIC3 is not set +# CONFIG_TWL4030_CORE is not set +# CONFIG_MFD_TMIO is not set +# CONFIG_PMIC_DA903X is not set +# CONFIG_PMIC_ADP5520 is not set +# CONFIG_MFD_MAX8925 is not set +# CONFIG_MFD_WM8400 is not set +# CONFIG_MFD_WM831X is not set +# CONFIG_MFD_WM8350_I2C is not set +# CONFIG_MFD_WM8994 is not set +# CONFIG_MFD_PCF50633 is not set +# CONFIG_AB3100_CORE is not set +# CONFIG_LPC_SCH is not set +# CONFIG_REGULATOR is not set +# CONFIG_MEDIA_SUPPORT is not set + +# +# Graphics support +# +# CONFIG_AGP is not set +CONFIG_VGA_ARB=y +CONFIG_VGA_ARB_MAX_GPUS=16 +# CONFIG_DRM is not set +# CONFIG_VGASTATE is not set +CONFIG_VIDEO_OUTPUT_CONTROL=m +CONFIG_FB=y +# CONFIG_FIRMWARE_EDID is not set +# CONFIG_FB_DDC is not set +# CONFIG_FB_BOOT_VESA_SUPPORT is not set +CONFIG_FB_CFB_FILLRECT=y +CONFIG_FB_CFB_COPYAREA=y +CONFIG_FB_CFB_IMAGEBLIT=y +# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set +# CONFIG_FB_SYS_FILLRECT is not set +# CONFIG_FB_SYS_COPYAREA is not set +# CONFIG_FB_SYS_IMAGEBLIT is not set +# CONFIG_FB_FOREIGN_ENDIAN is not set +# CONFIG_FB_SYS_FOPS is not set +# CONFIG_FB_SVGALIB is not set +# CONFIG_FB_MACMODES is not set +# CONFIG_FB_BACKLIGHT is not set +# CONFIG_FB_MODE_HELPERS is not set +# CONFIG_FB_TILEBLITTING is not set + +# +# Frame buffer hardware drivers +# +# CONFIG_FB_CIRRUS is not set +# CONFIG_FB_PM2 is not set +# CONFIG_FB_CYBER2000 is not set +# CONFIG_FB_OF is not set +# CONFIG_FB_CT65550 is not set +# CONFIG_FB_ASILIANT is not set +# CONFIG_FB_IMSTT is not set +# CONFIG_FB_VGA16 is not set +# CONFIG_FB_UVESA is not set +# CONFIG_FB_S1D13XXX is not set +# CONFIG_FB_NVIDIA is not set +# CONFIG_FB_RIVA is not set +# CONFIG_FB_MATROX is not set +# CONFIG_FB_RADEON is not set +# CONFIG_FB_ATY128 is not set +# CONFIG_FB_ATY is not set +# CONFIG_FB_S3 is not set +# CONFIG_FB_SAVAGE is not set +# CONFIG_FB_SIS is not set +# CONFIG_FB_VIA is not set +# CONFIG_FB_NEOMAGIC is not set +# CONFIG_FB_KYRO is not set +# CONFIG_FB_3DFX is not set +# CONFIG_FB_VOODOO1 is not set +# CONFIG_FB_VT8623 is not set +# CONFIG_FB_TRIDENT is not set +# CONFIG_FB_ARK is not set +# CONFIG_FB_PM3 is not set +# CONFIG_FB_CARMINE is not set +CONFIG_FB_SM501=y +# CONFIG_FB_IBM_GXT4500 is not set +# CONFIG_FB_VIRTUAL is not set +# CONFIG_FB_METRONOME is not set +# CONFIG_FB_MB862XX is not set +# CONFIG_FB_BROADSHEET is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set + +# +# Display device support +# +# CONFIG_DISPLAY_SUPPORT is not set + +# +# Console display driver support +# +CONFIG_DUMMY_CONSOLE=y +CONFIG_FRAMEBUFFER_CONSOLE=y +# CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY is not set +# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set +# CONFIG_FONTS is not set +CONFIG_FONT_8x8=y +CONFIG_FONT_8x16=y +CONFIG_LOGO=y +# CONFIG_LOGO_LINUX_MONO is not set +# CONFIG_LOGO_LINUX_VGA16 is not set +CONFIG_LOGO_LINUX_CLUT224=y +# CONFIG_SOUND is not set +CONFIG_HID_SUPPORT=y +CONFIG_HID=y +# CONFIG_HIDRAW is not set +# CONFIG_HID_PID is not set + +# +# Special HID drivers +# +# CONFIG_USB_SUPPORT is not set +# CONFIG_UWB is not set +# CONFIG_MMC is not set +# CONFIG_MEMSTICK is not set +# CONFIG_NEW_LEDS is not set +# CONFIG_ACCESSIBILITY is not set +# CONFIG_INFINIBAND is not set +# CONFIG_EDAC is not set +CONFIG_RTC_LIB=y +CONFIG_RTC_CLASS=y +CONFIG_RTC_HCTOSYS=y +CONFIG_RTC_HCTOSYS_DEVICE="rtc0" +# CONFIG_RTC_DEBUG is not set + +# +# RTC interfaces +# +CONFIG_RTC_INTF_SYSFS=y +CONFIG_RTC_INTF_PROC=y +CONFIG_RTC_INTF_DEV=y +# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set +# CONFIG_RTC_DRV_TEST is not set + +# +# I2C RTC drivers +# +CONFIG_RTC_DRV_DS1307=y +# CONFIG_RTC_DRV_DS1374 is not set +# CONFIG_RTC_DRV_DS1672 is not set +# CONFIG_RTC_DRV_MAX6900 is not set +# CONFIG_RTC_DRV_RS5C372 is not set +# CONFIG_RTC_DRV_ISL1208 is not set +# CONFIG_RTC_DRV_X1205 is not set +# CONFIG_RTC_DRV_PCF8563 is not set +# CONFIG_RTC_DRV_PCF8583 is not set +# CONFIG_RTC_DRV_M41T80 is not set +# CONFIG_RTC_DRV_BQ32K is not set +# CONFIG_RTC_DRV_S35390A is not set +# CONFIG_RTC_DRV_FM3130 is not set +# CONFIG_RTC_DRV_RX8581 is not set +# CONFIG_RTC_DRV_RX8025 is not set + +# +# SPI RTC drivers +# + +# +# Platform RTC drivers +# +# CONFIG_RTC_DRV_CMOS is not set +# CONFIG_RTC_DRV_DS1286 is not set +# CONFIG_RTC_DRV_DS1511 is not set +# CONFIG_RTC_DRV_DS1553 is not set +# CONFIG_RTC_DRV_DS1742 is not set +# CONFIG_RTC_DRV_STK17TA8 is not set +# CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_M48T35 is not set +# CONFIG_RTC_DRV_M48T59 is not set +# CONFIG_RTC_DRV_MSM6242 is not set +# CONFIG_RTC_DRV_BQ4802 is not set +# CONFIG_RTC_DRV_RP5C01 is not set +# CONFIG_RTC_DRV_V3020 is not set + +# +# on-CPU RTC drivers +# +# CONFIG_RTC_DRV_GENERIC is not set +# CONFIG_DMADEVICES is not set +# CONFIG_AUXDISPLAY is not set +# CONFIG_UIO is not set + +# +# TI VLYNQ +# +# CONFIG_STAGING is not set + +# +# File systems +# +CONFIG_EXT2_FS=y +# CONFIG_EXT2_FS_XATTR is not set +# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT3_FS=y +# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set +CONFIG_EXT3_FS_XATTR=y +# CONFIG_EXT3_FS_POSIX_ACL is not set +# CONFIG_EXT3_FS_SECURITY is not set +# CONFIG_EXT4_FS is not set +CONFIG_JBD=y +CONFIG_FS_MBCACHE=y +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +# CONFIG_FS_POSIX_ACL is not set +# CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set +# CONFIG_OCFS2_FS is not set +# CONFIG_BTRFS_FS is not set +# CONFIG_NILFS2_FS is not set +CONFIG_FILE_LOCKING=y +CONFIG_FSNOTIFY=y +CONFIG_DNOTIFY=y +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y +# CONFIG_QUOTA is not set +# CONFIG_AUTOFS_FS is not set +# CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set + +# +# Caches +# +# CONFIG_FSCACHE is not set + +# +# CD-ROM/DVD Filesystems +# +# CONFIG_ISO9660_FS is not set +# CONFIG_UDF_FS is not set + +# +# DOS/FAT/NT Filesystems +# +CONFIG_FAT_FS=y +# CONFIG_MSDOS_FS is not set +CONFIG_VFAT_FS=y +CONFIG_FAT_DEFAULT_CODEPAGE=437 +CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" +# CONFIG_NTFS_FS is not set + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y +CONFIG_PROC_PAGE_MONITOR=y +CONFIG_SYSFS=y +CONFIG_TMPFS=y +# CONFIG_TMPFS_POSIX_ACL is not set +# CONFIG_HUGETLB_PAGE is not set +# CONFIG_CONFIGFS_FS is not set +CONFIG_MISC_FILESYSTEMS=y +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +# CONFIG_JFFS2_FS is not set +# CONFIG_YAFFS_FS is not set +# CONFIG_LOGFS is not set +CONFIG_CRAMFS=y +# CONFIG_SQUASHFS is not set +# CONFIG_VXFS_FS is not set +# CONFIG_MINIX_FS is not set +# CONFIG_OMFS_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_ROMFS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set +CONFIG_NETWORK_FILESYSTEMS=y +CONFIG_NFS_FS=y +CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set +# CONFIG_NFS_V4 is not set +CONFIG_ROOT_NFS=y +# CONFIG_NFSD is not set +CONFIG_LOCKD=y +CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y +CONFIG_SUNRPC=y +# CONFIG_RPCSEC_GSS_KRB5 is not set +# CONFIG_RPCSEC_GSS_SPKM3 is not set +# CONFIG_SMB_FS is not set +# CONFIG_CEPH_FS is not set +# CONFIG_CIFS is not set +# CONFIG_NCP_FS is not set +# CONFIG_CODA_FS is not set +# CONFIG_AFS_FS is not set + +# +# Partition Types +# +# CONFIG_PARTITION_ADVANCED is not set +CONFIG_MSDOS_PARTITION=y +CONFIG_NLS=y +CONFIG_NLS_DEFAULT="iso8859-1" +CONFIG_NLS_CODEPAGE_437=y +# CONFIG_NLS_CODEPAGE_737 is not set +# CONFIG_NLS_CODEPAGE_775 is not set +CONFIG_NLS_CODEPAGE_850=y +# CONFIG_NLS_CODEPAGE_852 is not set +# CONFIG_NLS_CODEPAGE_855 is not set +# CONFIG_NLS_CODEPAGE_857 is not set +# CONFIG_NLS_CODEPAGE_860 is not set +# CONFIG_NLS_CODEPAGE_861 is not set +# CONFIG_NLS_CODEPAGE_862 is not set +# CONFIG_NLS_CODEPAGE_863 is not set +# CONFIG_NLS_CODEPAGE_864 is not set +# CONFIG_NLS_CODEPAGE_865 is not set +# CONFIG_NLS_CODEPAGE_866 is not set +# CONFIG_NLS_CODEPAGE_869 is not set +# CONFIG_NLS_CODEPAGE_936 is not set +# CONFIG_NLS_CODEPAGE_950 is not set +# CONFIG_NLS_CODEPAGE_932 is not set +# CONFIG_NLS_CODEPAGE_949 is not set +# CONFIG_NLS_CODEPAGE_874 is not set +# CONFIG_NLS_ISO8859_8 is not set +# CONFIG_NLS_CODEPAGE_1250 is not set +# CONFIG_NLS_CODEPAGE_1251 is not set +# CONFIG_NLS_ASCII is not set +CONFIG_NLS_ISO8859_1=y +# CONFIG_NLS_ISO8859_2 is not set +# CONFIG_NLS_ISO8859_3 is not set +# CONFIG_NLS_ISO8859_4 is not set +# CONFIG_NLS_ISO8859_5 is not set +# CONFIG_NLS_ISO8859_6 is not set +# CONFIG_NLS_ISO8859_7 is not set +# CONFIG_NLS_ISO8859_9 is not set +# CONFIG_NLS_ISO8859_13 is not set +# CONFIG_NLS_ISO8859_14 is not set +CONFIG_NLS_ISO8859_15=y +# CONFIG_NLS_KOI8_R is not set +# CONFIG_NLS_KOI8_U is not set +# CONFIG_NLS_UTF8 is not set +# CONFIG_DLM is not set +# CONFIG_BINARY_PRINTF is not set + +# +# Library routines +# +CONFIG_BITREVERSE=y +CONFIG_GENERIC_FIND_LAST_BIT=y +# CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set +# CONFIG_CRC_T10DIF is not set +# CONFIG_CRC_ITU_T is not set +CONFIG_CRC32=y +# CONFIG_CRC7 is not set +# CONFIG_LIBCRC32C is not set +CONFIG_ZLIB_INFLATE=y +CONFIG_DECOMPRESS_GZIP=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y +CONFIG_HAVE_LMB=y +CONFIG_NLATTR=y +CONFIG_GENERIC_ATOMIC64=y + +# +# Kernel hacking +# +# CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_WARN_DEPRECATED=y +CONFIG_ENABLE_MUST_CHECK=y +CONFIG_FRAME_WARN=1024 +CONFIG_MAGIC_SYSRQ=y +# CONFIG_STRIP_ASM_SYMS is not set +# CONFIG_UNUSED_SYMBOLS is not set +# CONFIG_DEBUG_FS is not set +# CONFIG_HEADERS_CHECK is not set +CONFIG_DEBUG_KERNEL=y +# CONFIG_DEBUG_SHIRQ is not set +CONFIG_DETECT_SOFTLOCKUP=y +# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set +CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0 +CONFIG_DETECT_HUNG_TASK=y +# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set +CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0 +CONFIG_SCHED_DEBUG=y +# CONFIG_SCHEDSTATS is not set +# CONFIG_TIMER_STATS is not set +# CONFIG_DEBUG_OBJECTS is not set +# CONFIG_SLUB_DEBUG_ON is not set +# CONFIG_SLUB_STATS is not set +# CONFIG_DEBUG_KMEMLEAK is not set +# CONFIG_DEBUG_RT_MUTEXES is not set +# CONFIG_RT_MUTEX_TESTER is not set +# CONFIG_DEBUG_SPINLOCK is not set +# CONFIG_DEBUG_MUTEXES is not set +# CONFIG_DEBUG_LOCK_ALLOC is not set +# CONFIG_PROVE_LOCKING is not set +# CONFIG_LOCK_STAT is not set +# CONFIG_DEBUG_SPINLOCK_SLEEP is not set +# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set +# CONFIG_DEBUG_KOBJECT is not set +# CONFIG_DEBUG_HIGHMEM is not set +# CONFIG_DEBUG_BUGVERBOSE is not set +# CONFIG_DEBUG_INFO is not set +# CONFIG_DEBUG_VM is not set +# CONFIG_DEBUG_WRITECOUNT is not set +# CONFIG_DEBUG_MEMORY_INIT is not set +# CONFIG_DEBUG_LIST is not set +# CONFIG_DEBUG_SG is not set +# CONFIG_DEBUG_NOTIFIERS is not set +# CONFIG_DEBUG_CREDENTIALS is not set +# CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_RCU_CPU_STALL_DETECTOR is not set +# CONFIG_BACKTRACE_SELF_TEST is not set +# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set +# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set +# CONFIG_FAULT_INJECTION is not set +# CONFIG_LATENCYTOP is not set +CONFIG_SYSCTL_SYSCALL_CHECK=y +# CONFIG_DEBUG_PAGEALLOC is not set +CONFIG_HAVE_FUNCTION_TRACER=y +CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y +CONFIG_HAVE_DYNAMIC_FTRACE=y +CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y +CONFIG_TRACING_SUPPORT=y +CONFIG_FTRACE=y +# CONFIG_FUNCTION_TRACER is not set +# CONFIG_IRQSOFF_TRACER is not set +# CONFIG_SCHED_TRACER is not set +# CONFIG_ENABLE_DEFAULT_TRACERS is not set +# CONFIG_BOOT_TRACER is not set +CONFIG_BRANCH_PROFILE_NONE=y +# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set +# CONFIG_PROFILE_ALL_BRANCHES is not set +# CONFIG_STACK_TRACER is not set +# CONFIG_KMEMTRACE is not set +# CONFIG_WORKQUEUE_TRACER is not set +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_DMA_API_DEBUG is not set +# CONFIG_SAMPLES is not set +CONFIG_HAVE_ARCH_KGDB=y +# CONFIG_KGDB is not set +# CONFIG_PPC_DISABLE_WERROR is not set +CONFIG_PPC_WERROR=y +CONFIG_PRINT_STACK_DEPTH=64 +# CONFIG_DEBUG_STACKOVERFLOW is not set +# CONFIG_DEBUG_STACK_USAGE is not set +# CONFIG_CODE_PATCHING_SELFTEST is not set +# CONFIG_FTR_FIXUP_SELFTEST is not set +# CONFIG_MSI_BITMAP_SELFTEST is not set +# CONFIG_XMON is not set +# CONFIG_IRQSTACKS is not set +# CONFIG_BDI_SWITCH is not set +# CONFIG_PPC_EARLY_DEBUG is not set + +# +# Security options +# +# CONFIG_KEYS is not set +# CONFIG_SECURITY is not set +# CONFIG_SECURITYFS is not set +# CONFIG_DEFAULT_SECURITY_SELINUX is not set +# CONFIG_DEFAULT_SECURITY_SMACK is not set +# CONFIG_DEFAULT_SECURITY_TOMOYO is not set +CONFIG_DEFAULT_SECURITY_DAC=y +CONFIG_DEFAULT_SECURITY="" +CONFIG_CRYPTO=y + +# +# Crypto core or helper +# +CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_ALGAPI2=y +CONFIG_CRYPTO_AEAD2=y +CONFIG_CRYPTO_BLKCIPHER=y +CONFIG_CRYPTO_BLKCIPHER2=y +CONFIG_CRYPTO_HASH=y +CONFIG_CRYPTO_HASH2=y +CONFIG_CRYPTO_RNG2=y +CONFIG_CRYPTO_PCOMP=y +CONFIG_CRYPTO_MANAGER=y +CONFIG_CRYPTO_MANAGER2=y +# CONFIG_CRYPTO_GF128MUL is not set +# CONFIG_CRYPTO_NULL is not set +CONFIG_CRYPTO_WORKQUEUE=y +# CONFIG_CRYPTO_CRYPTD is not set +# CONFIG_CRYPTO_AUTHENC is not set +# CONFIG_CRYPTO_TEST is not set + +# +# Authenticated Encryption with Associated Data +# +# CONFIG_CRYPTO_CCM is not set +# CONFIG_CRYPTO_GCM is not set +# CONFIG_CRYPTO_SEQIV is not set + +# +# Block modes +# +CONFIG_CRYPTO_CBC=y +# CONFIG_CRYPTO_CTR is not set +# CONFIG_CRYPTO_CTS is not set +CONFIG_CRYPTO_ECB=y +# CONFIG_CRYPTO_LRW is not set +CONFIG_CRYPTO_PCBC=y +# CONFIG_CRYPTO_XTS is not set + +# +# Hash modes +# +# CONFIG_CRYPTO_HMAC is not set +# CONFIG_CRYPTO_XCBC is not set +# CONFIG_CRYPTO_VMAC is not set + +# +# Digest +# +# CONFIG_CRYPTO_CRC32C is not set +# CONFIG_CRYPTO_GHASH is not set +# CONFIG_CRYPTO_MD4 is not set +CONFIG_CRYPTO_MD5=y +# CONFIG_CRYPTO_MICHAEL_MIC is not set +# CONFIG_CRYPTO_RMD128 is not set +# CONFIG_CRYPTO_RMD160 is not set +# CONFIG_CRYPTO_RMD256 is not set +# CONFIG_CRYPTO_RMD320 is not set +# CONFIG_CRYPTO_SHA1 is not set +# CONFIG_CRYPTO_SHA256 is not set +# CONFIG_CRYPTO_SHA512 is not set +# CONFIG_CRYPTO_TGR192 is not set +# CONFIG_CRYPTO_WP512 is not set + +# +# Ciphers +# +# CONFIG_CRYPTO_AES is not set +# CONFIG_CRYPTO_ANUBIS is not set +# CONFIG_CRYPTO_ARC4 is not set +# CONFIG_CRYPTO_BLOWFISH is not set +# CONFIG_CRYPTO_CAMELLIA is not set +# CONFIG_CRYPTO_CAST5 is not set +# CONFIG_CRYPTO_CAST6 is not set +CONFIG_CRYPTO_DES=y +# CONFIG_CRYPTO_FCRYPT is not set +# CONFIG_CRYPTO_KHAZAD is not set +# CONFIG_CRYPTO_SALSA20 is not set +# CONFIG_CRYPTO_SEED is not set +# CONFIG_CRYPTO_SERPENT is not set +# CONFIG_CRYPTO_TEA is not set +# CONFIG_CRYPTO_TWOFISH is not set + +# +# Compression +# +# CONFIG_CRYPTO_DEFLATE is not set +# CONFIG_CRYPTO_ZLIB is not set +# CONFIG_CRYPTO_LZO is not set + +# +# Random Number Generation +# +# CONFIG_CRYPTO_ANSI_CPRNG is not set +CONFIG_CRYPTO_HW=y +# CONFIG_CRYPTO_DEV_HIFN_795X is not set +# CONFIG_CRYPTO_DEV_PPC4XX is not set +# CONFIG_PPC_CLOCK is not set +# CONFIG_VIRTUALIZATION is not set diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index e3cba4e1eb34..b0b21134f61a 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -70,6 +70,7 @@ struct pt_regs; extern int machine_check_generic(struct pt_regs *regs); extern int machine_check_4xx(struct pt_regs *regs); extern int machine_check_440A(struct pt_regs *regs); +extern int machine_check_e500mc(struct pt_regs *regs); extern int machine_check_e500(struct pt_regs *regs); extern int machine_check_e200(struct pt_regs *regs); extern int machine_check_47x(struct pt_regs *regs); diff --git a/arch/powerpc/include/asm/kexec.h b/arch/powerpc/include/asm/kexec.h index a6ca6da1430b..2a9cd74a841e 100644 --- a/arch/powerpc/include/asm/kexec.h +++ b/arch/powerpc/include/asm/kexec.h @@ -2,6 +2,18 @@ #define _ASM_POWERPC_KEXEC_H #ifdef __KERNEL__ +#ifdef CONFIG_FSL_BOOKE + +/* + * On FSL-BookE we setup a 1:1 mapping which covers the first 2GiB of memory + * and therefore we can only deal with memory within this range + */ +#define KEXEC_SOURCE_MEMORY_LIMIT (2 * 1024 * 1024 * 1024UL) +#define KEXEC_DESTINATION_MEMORY_LIMIT (2 * 1024 * 1024 * 1024UL) +#define KEXEC_CONTROL_MEMORY_LIMIT (2 * 1024 * 1024 * 1024UL) + +#else + /* * Maximum page that is mapped directly into kernel memory. * XXX: Since we copy virt we can use any page we allocate @@ -21,6 +33,7 @@ /* TASK_SIZE, probably left over from use_mm ?? */ #define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE #endif +#endif #define KEXEC_CONTROL_PAGE_SIZE 4096 diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h index 5304a37ba425..2360317179a9 100644 --- a/arch/powerpc/include/asm/reg_booke.h +++ b/arch/powerpc/include/asm/reg_booke.h @@ -4,6 +4,12 @@ * are not true Book E PowerPCs, they borrowed a number of features * before Book E was finalized, and are included here as well. Unfortunatly, * they sometimes used different locations than true Book E CPUs did. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * Copyright 2009-2010 Freescale Semiconductor, Inc. */ #ifdef __KERNEL__ #ifndef __ASM_POWERPC_REG_BOOKE_H__ @@ -88,6 +94,7 @@ #define SPRN_IVOR35 0x213 /* Interrupt Vector Offset Register 35 */ #define SPRN_IVOR36 0x214 /* Interrupt Vector Offset Register 36 */ #define SPRN_IVOR37 0x215 /* Interrupt Vector Offset Register 37 */ +#define SPRN_MCARU 0x239 /* Machine Check Address Register Upper */ #define SPRN_MCSRR0 0x23A /* Machine Check Save and Restore Register 0 */ #define SPRN_MCSRR1 0x23B /* Machine Check Save and Restore Register 1 */ #define SPRN_MCSR 0x23C /* Machine Check Status Register */ @@ -196,8 +203,11 @@ #define PPC47x_MCSR_IPR 0x00400000 /* Imprecise Machine Check Exception */ #ifdef CONFIG_E500 +/* All e500 */ #define MCSR_MCP 0x80000000UL /* Machine Check Input Pin */ #define MCSR_ICPERR 0x40000000UL /* I-Cache Parity Error */ + +/* e500v1/v2 */ #define MCSR_DCP_PERR 0x20000000UL /* D-Cache Push Parity Error */ #define MCSR_DCPERR 0x10000000UL /* D-Cache Parity Error */ #define MCSR_BUS_IAERR 0x00000080UL /* Instruction Address Error */ @@ -209,12 +219,20 @@ #define MCSR_BUS_IPERR 0x00000002UL /* Instruction parity Error */ #define MCSR_BUS_RPERR 0x00000001UL /* Read parity Error */ -/* e500 parts may set unused bits in MCSR; mask these off */ -#define MCSR_MASK (MCSR_MCP | MCSR_ICPERR | MCSR_DCP_PERR | \ - MCSR_DCPERR | MCSR_BUS_IAERR | MCSR_BUS_RAERR | \ - MCSR_BUS_WAERR | MCSR_BUS_IBERR | MCSR_BUS_RBERR | \ - MCSR_BUS_WBERR | MCSR_BUS_IPERR | MCSR_BUS_RPERR) +/* e500mc */ +#define MCSR_DCPERR_MC 0x20000000UL /* D-Cache Parity Error */ +#define MCSR_L2MMU_MHIT 0x04000000UL /* Hit on multiple TLB entries */ +#define MCSR_NMI 0x00100000UL /* Non-Maskable Interrupt */ +#define MCSR_MAV 0x00080000UL /* MCAR address valid */ +#define MCSR_MEA 0x00040000UL /* MCAR is effective address */ +#define MCSR_IF 0x00010000UL /* Instruction Fetch */ +#define MCSR_LD 0x00008000UL /* Load */ +#define MCSR_ST 0x00004000UL /* Store */ +#define MCSR_LDG 0x00002000UL /* Guarded Load */ +#define MCSR_TLBSYNC 0x00000002UL /* Multiple tlbsyncs detected */ +#define MCSR_BSL2_ERR 0x00000001UL /* Backside L2 cache error */ #endif + #ifdef CONFIG_E200 #define MCSR_MCP 0x80000000UL /* Machine Check Input Pin */ #define MCSR_CP_PERR 0x20000000UL /* Cache Push Parity Error */ @@ -225,11 +243,6 @@ #define MCSR_BUS_DRERR 0x00000008UL /* Read Bus Error on data load */ #define MCSR_BUS_WRERR 0x00000004UL /* Write Bus Error on buffered store or cache line push */ - -/* e200 parts may set unused bits in MCSR; mask these off */ -#define MCSR_MASK (MCSR_MCP | MCSR_CP_PERR | MCSR_CPERR | \ - MCSR_EXCP_ERR | MCSR_BUS_IRERR | MCSR_BUS_DRERR | \ - MCSR_BUS_WRERR) #endif /* Bit definitions for the DBSR. */ diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index 877326320e74..58d0572de6f9 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -57,8 +57,12 @@ obj-$(CONFIG_CRASH_DUMP) += crash_dump.o obj-$(CONFIG_E500) += idle_e500.o obj-$(CONFIG_6xx) += idle_6xx.o l2cr_6xx.o cpu_setup_6xx.o obj-$(CONFIG_TAU) += tau_6xx.o -obj-$(CONFIG_HIBERNATION) += swsusp.o suspend.o \ - swsusp_$(CONFIG_WORD_SIZE).o +obj-$(CONFIG_HIBERNATION) += swsusp.o suspend.o +ifeq ($(CONFIG_FSL_BOOKE),y) +obj-$(CONFIG_HIBERNATION) += swsusp_booke.o +else +obj-$(CONFIG_HIBERNATION) += swsusp_$(CONFIG_WORD_SIZE).o +endif obj64-$(CONFIG_HIBERNATION) += swsusp_asm64.o obj-$(CONFIG_MODULES) += module.o module_$(CONFIG_WORD_SIZE).o obj-$(CONFIG_44x) += cpu_setup_44x.o diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index 9556be903e96..87aa0f3c6047 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -1840,7 +1840,7 @@ static struct cpu_spec __initdata cpu_specs[] = { .oprofile_cpu_type = "ppc/e500mc", .oprofile_type = PPC_OPROFILE_FSL_EMB, .cpu_setup = __setup_cpu_e500mc, - .machine_check = machine_check_e500, + .machine_check = machine_check_e500mc, .platform = "ppce500mc", }, { /* default match */ diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c index 8c066d6a8e4b..b46f2e09bd81 100644 --- a/arch/powerpc/kernel/crash.c +++ b/arch/powerpc/kernel/crash.c @@ -163,6 +163,7 @@ static void crash_kexec_prepare_cpus(int cpu) } /* wait for all the CPUs to hit real mode but timeout if they don't come in */ +#ifdef CONFIG_PPC_STD_MMU_64 static void crash_kexec_wait_realmode(int cpu) { unsigned int msecs; @@ -187,6 +188,7 @@ static void crash_kexec_wait_realmode(int cpu) } mb(); } +#endif /* * This function will be called by secondary cpus or by kexec cpu @@ -445,7 +447,9 @@ void default_machine_crash_shutdown(struct pt_regs *regs) crash_kexec_prepare_cpus(crashing_cpu); cpu_set(crashing_cpu, cpus_in_crash); crash_kexec_stop_spus(); +#ifdef CONFIG_PPC_STD_MMU_64 crash_kexec_wait_realmode(crashing_cpu); +#endif if (ppc_md.kexec_cpu_down) ppc_md.kexec_cpu_down(1, 0); } diff --git a/arch/powerpc/kernel/fsl_booke_entry_mapping.S b/arch/powerpc/kernel/fsl_booke_entry_mapping.S new file mode 100644 index 000000000000..beb4d78a2304 --- /dev/null +++ b/arch/powerpc/kernel/fsl_booke_entry_mapping.S @@ -0,0 +1,237 @@ + +/* 1. Find the index of the entry we're executing in */ + bl invstr /* Find our address */ +invstr: mflr r6 /* Make it accessible */ + mfmsr r7 + rlwinm r4,r7,27,31,31 /* extract MSR[IS] */ + mfspr r7, SPRN_PID0 + slwi r7,r7,16 + or r7,r7,r4 + mtspr SPRN_MAS6,r7 + tlbsx 0,r6 /* search MSR[IS], SPID=PID0 */ + mfspr r7,SPRN_MAS1 + andis. r7,r7,MAS1_VALID@h + bne match_TLB + + mfspr r7,SPRN_MMUCFG + rlwinm r7,r7,21,28,31 /* extract MMUCFG[NPIDS] */ + cmpwi r7,3 + bne match_TLB /* skip if NPIDS != 3 */ + + mfspr r7,SPRN_PID1 + slwi r7,r7,16 + or r7,r7,r4 + mtspr SPRN_MAS6,r7 + tlbsx 0,r6 /* search MSR[IS], SPID=PID1 */ + mfspr r7,SPRN_MAS1 + andis. r7,r7,MAS1_VALID@h + bne match_TLB + mfspr r7, SPRN_PID2 + slwi r7,r7,16 + or r7,r7,r4 + mtspr SPRN_MAS6,r7 + tlbsx 0,r6 /* Fall through, we had to match */ + +match_TLB: + mfspr r7,SPRN_MAS0 + rlwinm r3,r7,16,20,31 /* Extract MAS0(Entry) */ + + mfspr r7,SPRN_MAS1 /* Insure IPROT set */ + oris r7,r7,MAS1_IPROT@h + mtspr SPRN_MAS1,r7 + tlbwe + +/* 2. Invalidate all entries except the entry we're executing in */ + mfspr r9,SPRN_TLB1CFG + andi. r9,r9,0xfff + li r6,0 /* Set Entry counter to 0 */ +1: lis r7,0x1000 /* Set MAS0(TLBSEL) = 1 */ + rlwimi r7,r6,16,4,15 /* Setup MAS0 = TLBSEL | ESEL(r6) */ + mtspr SPRN_MAS0,r7 + tlbre + mfspr r7,SPRN_MAS1 + rlwinm r7,r7,0,2,31 /* Clear MAS1 Valid and IPROT */ + cmpw r3,r6 + beq skpinv /* Dont update the current execution TLB */ + mtspr SPRN_MAS1,r7 + tlbwe + isync +skpinv: addi r6,r6,1 /* Increment */ + cmpw r6,r9 /* Are we done? */ + bne 1b /* If not, repeat */ + + /* Invalidate TLB0 */ + li r6,0x04 + tlbivax 0,r6 + TLBSYNC + /* Invalidate TLB1 */ + li r6,0x0c + tlbivax 0,r6 + TLBSYNC + +/* 3. Setup a temp mapping and jump to it */ + andi. r5, r3, 0x1 /* Find an entry not used and is non-zero */ + addi r5, r5, 0x1 + lis r7,0x1000 /* Set MAS0(TLBSEL) = 1 */ + rlwimi r7,r3,16,4,15 /* Setup MAS0 = TLBSEL | ESEL(r3) */ + mtspr SPRN_MAS0,r7 + tlbre + + /* grab and fixup the RPN */ + mfspr r6,SPRN_MAS1 /* extract MAS1[SIZE] */ + rlwinm r6,r6,25,27,31 + li r8,-1 + addi r6,r6,10 + slw r6,r8,r6 /* convert to mask */ + + bl 1f /* Find our address */ +1: mflr r7 + + mfspr r8,SPRN_MAS3 +#ifdef CONFIG_PHYS_64BIT + mfspr r23,SPRN_MAS7 +#endif + and r8,r6,r8 + subfic r9,r6,-4096 + and r9,r9,r7 + + or r25,r8,r9 + ori r8,r25,(MAS3_SX|MAS3_SW|MAS3_SR) + + /* Just modify the entry ID and EPN for the temp mapping */ + lis r7,0x1000 /* Set MAS0(TLBSEL) = 1 */ + rlwimi r7,r5,16,4,15 /* Setup MAS0 = TLBSEL | ESEL(r5) */ + mtspr SPRN_MAS0,r7 + xori r6,r4,1 /* Setup TMP mapping in the other Address space */ + slwi r6,r6,12 + oris r6,r6,(MAS1_VALID|MAS1_IPROT)@h + ori r6,r6,(MAS1_TSIZE(BOOK3E_PAGESZ_4K))@l + mtspr SPRN_MAS1,r6 + mfspr r6,SPRN_MAS2 + li r7,0 /* temp EPN = 0 */ + rlwimi r7,r6,0,20,31 + mtspr SPRN_MAS2,r7 + mtspr SPRN_MAS3,r8 + tlbwe + + xori r6,r4,1 + slwi r6,r6,5 /* setup new context with other address space */ + bl 1f /* Find our address */ +1: mflr r9 + rlwimi r7,r9,0,20,31 + addi r7,r7,(2f - 1b) + mtspr SPRN_SRR0,r7 + mtspr SPRN_SRR1,r6 + rfi +2: +/* 4. Clear out PIDs & Search info */ + li r6,0 + mtspr SPRN_MAS6,r6 + mtspr SPRN_PID0,r6 + + mfspr r7,SPRN_MMUCFG + rlwinm r7,r7,21,28,31 /* extract MMUCFG[NPIDS] */ + cmpwi r7,3 + bne 2f /* skip if NPIDS != 3 */ + + mtspr SPRN_PID1,r6 + mtspr SPRN_PID2,r6 + +/* 5. Invalidate mapping we started in */ +2: + lis r7,0x1000 /* Set MAS0(TLBSEL) = 1 */ + rlwimi r7,r3,16,4,15 /* Setup MAS0 = TLBSEL | ESEL(r3) */ + mtspr SPRN_MAS0,r7 + tlbre + mfspr r6,SPRN_MAS1 + rlwinm r6,r6,0,2,0 /* clear IPROT */ + mtspr SPRN_MAS1,r6 + tlbwe + /* Invalidate TLB1 */ + li r9,0x0c + tlbivax 0,r9 + TLBSYNC + +/* The mapping only needs to be cache-coherent on SMP */ +#ifdef CONFIG_SMP +#define M_IF_SMP MAS2_M +#else +#define M_IF_SMP 0 +#endif + +#if defined(ENTRY_MAPPING_BOOT_SETUP) + +/* 6. Setup KERNELBASE mapping in TLB1[0] */ + lis r6,0x1000 /* Set MAS0(TLBSEL) = TLB1(1), ESEL = 0 */ + mtspr SPRN_MAS0,r6 + lis r6,(MAS1_VALID|MAS1_IPROT)@h + ori r6,r6,(MAS1_TSIZE(BOOK3E_PAGESZ_64M))@l + mtspr SPRN_MAS1,r6 + lis r6,MAS2_VAL(PAGE_OFFSET, BOOK3E_PAGESZ_64M, M_IF_SMP)@h + ori r6,r6,MAS2_VAL(PAGE_OFFSET, BOOK3E_PAGESZ_64M, M_IF_SMP)@l + mtspr SPRN_MAS2,r6 + mtspr SPRN_MAS3,r8 + tlbwe + +/* 7. Jump to KERNELBASE mapping */ + lis r6,(KERNELBASE & ~0xfff)@h + ori r6,r6,(KERNELBASE & ~0xfff)@l + +#elif defined(ENTRY_MAPPING_KEXEC_SETUP) +/* + * 6. Setup a 1:1 mapping in TLB1. Esel 0 is unsued, 1 or 2 contains the tmp + * mapping so we start at 3. We setup 8 mappings, each 256MiB in size. This + * will cover the first 2GiB of memory. + */ + + lis r10, (MAS1_VALID|MAS1_IPROT)@h + ori r10,r10, (MAS1_TSIZE(BOOK3E_PAGESZ_256M))@l + li r11, 0 + li r0, 8 + mtctr r0 + +next_tlb_setup: + addi r0, r11, 3 + rlwinm r0, r0, 16, 4, 15 // Compute esel + rlwinm r9, r11, 28, 0, 3 // Compute [ER]PN + oris r0, r0, (MAS0_TLBSEL(1))@h + mtspr SPRN_MAS0,r0 + mtspr SPRN_MAS1,r10 + mtspr SPRN_MAS2,r9 + ori r9, r9, (MAS3_SX|MAS3_SW|MAS3_SR) + mtspr SPRN_MAS3,r9 + tlbwe + addi r11, r11, 1 + bdnz+ next_tlb_setup + +/* 7. Jump to our 1:1 mapping */ + li r6, 0 + +#else + #error You need to specify the mapping or not use this at all. +#endif + + lis r7,MSR_KERNEL@h + ori r7,r7,MSR_KERNEL@l + bl 1f /* Find our address */ +1: mflr r9 + rlwimi r6,r9,0,20,31 + addi r6,r6,(2f - 1b) + add r6, r6, r25 + mtspr SPRN_SRR0,r6 + mtspr SPRN_SRR1,r7 + rfi /* start execution out of TLB1[0] entry */ + +/* 8. Clear out the temp mapping */ +2: lis r7,0x1000 /* Set MAS0(TLBSEL) = 1 */ + rlwimi r7,r5,16,4,15 /* Setup MAS0 = TLBSEL | ESEL(r5) */ + mtspr SPRN_MAS0,r7 + tlbre + mfspr r8,SPRN_MAS1 + rlwinm r8,r8,0,2,0 /* clear IPROT */ + mtspr SPRN_MAS1,r8 + tlbwe + /* Invalidate TLB1 */ + li r9,0x0c + tlbivax 0,r9 + TLBSYNC diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S index edd4a57fd29e..4faeba247854 100644 --- a/arch/powerpc/kernel/head_fsl_booke.S +++ b/arch/powerpc/kernel/head_fsl_booke.S @@ -94,204 +94,10 @@ _ENTRY(_start); */ _ENTRY(__early_start) -/* 1. Find the index of the entry we're executing in */ - bl invstr /* Find our address */ -invstr: mflr r6 /* Make it accessible */ - mfmsr r7 - rlwinm r4,r7,27,31,31 /* extract MSR[IS] */ - mfspr r7, SPRN_PID0 - slwi r7,r7,16 - or r7,r7,r4 - mtspr SPRN_MAS6,r7 - tlbsx 0,r6 /* search MSR[IS], SPID=PID0 */ - mfspr r7,SPRN_MAS1 - andis. r7,r7,MAS1_VALID@h - bne match_TLB - - mfspr r7,SPRN_MMUCFG - rlwinm r7,r7,21,28,31 /* extract MMUCFG[NPIDS] */ - cmpwi r7,3 - bne match_TLB /* skip if NPIDS != 3 */ - - mfspr r7,SPRN_PID1 - slwi r7,r7,16 - or r7,r7,r4 - mtspr SPRN_MAS6,r7 - tlbsx 0,r6 /* search MSR[IS], SPID=PID1 */ - mfspr r7,SPRN_MAS1 - andis. r7,r7,MAS1_VALID@h - bne match_TLB - mfspr r7, SPRN_PID2 - slwi r7,r7,16 - or r7,r7,r4 - mtspr SPRN_MAS6,r7 - tlbsx 0,r6 /* Fall through, we had to match */ - -match_TLB: - mfspr r7,SPRN_MAS0 - rlwinm r3,r7,16,20,31 /* Extract MAS0(Entry) */ - - mfspr r7,SPRN_MAS1 /* Insure IPROT set */ - oris r7,r7,MAS1_IPROT@h - mtspr SPRN_MAS1,r7 - tlbwe - -/* 2. Invalidate all entries except the entry we're executing in */ - mfspr r9,SPRN_TLB1CFG - andi. r9,r9,0xfff - li r6,0 /* Set Entry counter to 0 */ -1: lis r7,0x1000 /* Set MAS0(TLBSEL) = 1 */ - rlwimi r7,r6,16,4,15 /* Setup MAS0 = TLBSEL | ESEL(r6) */ - mtspr SPRN_MAS0,r7 - tlbre - mfspr r7,SPRN_MAS1 - rlwinm r7,r7,0,2,31 /* Clear MAS1 Valid and IPROT */ - cmpw r3,r6 - beq skpinv /* Dont update the current execution TLB */ - mtspr SPRN_MAS1,r7 - tlbwe - isync -skpinv: addi r6,r6,1 /* Increment */ - cmpw r6,r9 /* Are we done? */ - bne 1b /* If not, repeat */ - - /* Invalidate TLB0 */ - li r6,0x04 - tlbivax 0,r6 - TLBSYNC - /* Invalidate TLB1 */ - li r6,0x0c - tlbivax 0,r6 - TLBSYNC - -/* 3. Setup a temp mapping and jump to it */ - andi. r5, r3, 0x1 /* Find an entry not used and is non-zero */ - addi r5, r5, 0x1 - lis r7,0x1000 /* Set MAS0(TLBSEL) = 1 */ - rlwimi r7,r3,16,4,15 /* Setup MAS0 = TLBSEL | ESEL(r3) */ - mtspr SPRN_MAS0,r7 - tlbre - - /* grab and fixup the RPN */ - mfspr r6,SPRN_MAS1 /* extract MAS1[SIZE] */ - rlwinm r6,r6,25,27,31 - li r8,-1 - addi r6,r6,10 - slw r6,r8,r6 /* convert to mask */ - - bl 1f /* Find our address */ -1: mflr r7 - - mfspr r8,SPRN_MAS3 -#ifdef CONFIG_PHYS_64BIT - mfspr r23,SPRN_MAS7 -#endif - and r8,r6,r8 - subfic r9,r6,-4096 - and r9,r9,r7 - - or r25,r8,r9 - ori r8,r25,(MAS3_SX|MAS3_SW|MAS3_SR) - - /* Just modify the entry ID and EPN for the temp mapping */ - lis r7,0x1000 /* Set MAS0(TLBSEL) = 1 */ - rlwimi r7,r5,16,4,15 /* Setup MAS0 = TLBSEL | ESEL(r5) */ - mtspr SPRN_MAS0,r7 - xori r6,r4,1 /* Setup TMP mapping in the other Address space */ - slwi r6,r6,12 - oris r6,r6,(MAS1_VALID|MAS1_IPROT)@h - ori r6,r6,(MAS1_TSIZE(BOOK3E_PAGESZ_4K))@l - mtspr SPRN_MAS1,r6 - mfspr r6,SPRN_MAS2 - li r7,0 /* temp EPN = 0 */ - rlwimi r7,r6,0,20,31 - mtspr SPRN_MAS2,r7 - mtspr SPRN_MAS3,r8 - tlbwe - - xori r6,r4,1 - slwi r6,r6,5 /* setup new context with other address space */ - bl 1f /* Find our address */ -1: mflr r9 - rlwimi r7,r9,0,20,31 - addi r7,r7,(2f - 1b) - mtspr SPRN_SRR0,r7 - mtspr SPRN_SRR1,r6 - rfi -2: -/* 4. Clear out PIDs & Search info */ - li r6,0 - mtspr SPRN_MAS6,r6 - mtspr SPRN_PID0,r6 - - mfspr r7,SPRN_MMUCFG - rlwinm r7,r7,21,28,31 /* extract MMUCFG[NPIDS] */ - cmpwi r7,3 - bne 2f /* skip if NPIDS != 3 */ - mtspr SPRN_PID1,r6 - mtspr SPRN_PID2,r6 - -/* 5. Invalidate mapping we started in */ -2: - lis r7,0x1000 /* Set MAS0(TLBSEL) = 1 */ - rlwimi r7,r3,16,4,15 /* Setup MAS0 = TLBSEL | ESEL(r3) */ - mtspr SPRN_MAS0,r7 - tlbre - mfspr r6,SPRN_MAS1 - rlwinm r6,r6,0,2,0 /* clear IPROT */ - mtspr SPRN_MAS1,r6 - tlbwe - /* Invalidate TLB1 */ - li r9,0x0c - tlbivax 0,r9 - TLBSYNC - -/* The mapping only needs to be cache-coherent on SMP */ -#ifdef CONFIG_SMP -#define M_IF_SMP MAS2_M -#else -#define M_IF_SMP 0 -#endif - -/* 6. Setup KERNELBASE mapping in TLB1[0] */ - lis r6,0x1000 /* Set MAS0(TLBSEL) = TLB1(1), ESEL = 0 */ - mtspr SPRN_MAS0,r6 - lis r6,(MAS1_VALID|MAS1_IPROT)@h - ori r6,r6,(MAS1_TSIZE(BOOK3E_PAGESZ_64M))@l - mtspr SPRN_MAS1,r6 - lis r6,MAS2_VAL(PAGE_OFFSET, BOOK3E_PAGESZ_64M, M_IF_SMP)@h - ori r6,r6,MAS2_VAL(PAGE_OFFSET, BOOK3E_PAGESZ_64M, M_IF_SMP)@l - mtspr SPRN_MAS2,r6 - mtspr SPRN_MAS3,r8 - tlbwe - -/* 7. Jump to KERNELBASE mapping */ - lis r6,(KERNELBASE & ~0xfff)@h - ori r6,r6,(KERNELBASE & ~0xfff)@l - lis r7,MSR_KERNEL@h - ori r7,r7,MSR_KERNEL@l - bl 1f /* Find our address */ -1: mflr r9 - rlwimi r6,r9,0,20,31 - addi r6,r6,(2f - 1b) - mtspr SPRN_SRR0,r6 - mtspr SPRN_SRR1,r7 - rfi /* start execution out of TLB1[0] entry */ - -/* 8. Clear out the temp mapping */ -2: lis r7,0x1000 /* Set MAS0(TLBSEL) = 1 */ - rlwimi r7,r5,16,4,15 /* Setup MAS0 = TLBSEL | ESEL(r5) */ - mtspr SPRN_MAS0,r7 - tlbre - mfspr r8,SPRN_MAS1 - rlwinm r8,r8,0,2,0 /* clear IPROT */ - mtspr SPRN_MAS1,r8 - tlbwe - /* Invalidate TLB1 */ - li r9,0x0c - tlbivax 0,r9 - TLBSYNC +#define ENTRY_MAPPING_BOOT_SETUP +#include "fsl_booke_entry_mapping.S" +#undef ENTRY_MAPPING_BOOT_SETUP /* Establish the interrupt vector offsets */ SET_IVOR(0, CriticalInput); diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S index 8043d1b73cf0..dc66d52dcff5 100644 --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S @@ -711,6 +711,22 @@ relocate_new_kernel: /* r4 = reboot_code_buffer */ /* r5 = start_address */ +#ifdef CONFIG_FSL_BOOKE + + mr r29, r3 + mr r30, r4 + mr r31, r5 + +#define ENTRY_MAPPING_KEXEC_SETUP +#include "fsl_booke_entry_mapping.S" +#undef ENTRY_MAPPING_KEXEC_SETUP + + mr r3, r29 + mr r4, r30 + mr r5, r31 + + li r0, 0 +#else li r0, 0 /* @@ -727,6 +743,7 @@ relocate_new_kernel: rfi 1: +#endif /* from this point address translation is turned off */ /* and interrupts are disabled */ diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c index bc9f39d2598b..3b4dcc82a4c1 100644 --- a/arch/powerpc/kernel/ppc_ksyms.c +++ b/arch/powerpc/kernel/ppc_ksyms.c @@ -101,7 +101,7 @@ EXPORT_SYMBOL(pci_dram_offset); EXPORT_SYMBOL(start_thread); EXPORT_SYMBOL(kernel_thread); -#ifndef CONFIG_BOOKE +#ifdef CONFIG_PPC_FPU EXPORT_SYMBOL_GPL(cvt_df); EXPORT_SYMBOL_GPL(cvt_fd); #endif diff --git a/arch/powerpc/kernel/swsusp_booke.S b/arch/powerpc/kernel/swsusp_booke.S new file mode 100644 index 000000000000..11a39307dd71 --- /dev/null +++ b/arch/powerpc/kernel/swsusp_booke.S @@ -0,0 +1,193 @@ +/* + * Based on swsusp_32.S, modified for FSL BookE by + * Anton Vorontsov <avorontsov@ru.mvista.com> + * Copyright (c) 2009-2010 MontaVista Software, LLC. + */ + +#include <linux/threads.h> +#include <asm/processor.h> +#include <asm/page.h> +#include <asm/cputable.h> +#include <asm/thread_info.h> +#include <asm/ppc_asm.h> +#include <asm/asm-offsets.h> +#include <asm/mmu.h> + +/* + * Structure for storing CPU registers on the save area. + */ +#define SL_SP 0 +#define SL_PC 4 +#define SL_MSR 8 +#define SL_TCR 0xc +#define SL_SPRG0 0x10 +#define SL_SPRG1 0x14 +#define SL_SPRG2 0x18 +#define SL_SPRG3 0x1c +#define SL_SPRG4 0x20 +#define SL_SPRG5 0x24 +#define SL_SPRG6 0x28 +#define SL_SPRG7 0x2c +#define SL_TBU 0x30 +#define SL_TBL 0x34 +#define SL_R2 0x38 +#define SL_CR 0x3c +#define SL_LR 0x40 +#define SL_R12 0x44 /* r12 to r31 */ +#define SL_SIZE (SL_R12 + 80) + + .section .data + .align 5 + +_GLOBAL(swsusp_save_area) + .space SL_SIZE + + + .section .text + .align 5 + +_GLOBAL(swsusp_arch_suspend) + lis r11,swsusp_save_area@h + ori r11,r11,swsusp_save_area@l + + mflr r0 + stw r0,SL_LR(r11) + mfcr r0 + stw r0,SL_CR(r11) + stw r1,SL_SP(r11) + stw r2,SL_R2(r11) + stmw r12,SL_R12(r11) + + /* Save MSR & TCR */ + mfmsr r4 + stw r4,SL_MSR(r11) + mfspr r4,SPRN_TCR + stw r4,SL_TCR(r11) + + /* Get a stable timebase and save it */ +1: mfspr r4,SPRN_TBRU + stw r4,SL_TBU(r11) + mfspr r5,SPRN_TBRL + stw r5,SL_TBL(r11) + mfspr r3,SPRN_TBRU + cmpw r3,r4 + bne 1b + + /* Save SPRGs */ + mfsprg r4,0 + stw r4,SL_SPRG0(r11) + mfsprg r4,1 + stw r4,SL_SPRG1(r11) + mfsprg r4,2 + stw r4,SL_SPRG2(r11) + mfsprg r4,3 + stw r4,SL_SPRG3(r11) + mfsprg r4,4 + stw r4,SL_SPRG4(r11) + mfsprg r4,5 + stw r4,SL_SPRG5(r11) + mfsprg r4,6 + stw r4,SL_SPRG6(r11) + mfsprg r4,7 + stw r4,SL_SPRG7(r11) + + /* Call the low level suspend stuff (we should probably have made + * a stackframe... + */ + bl swsusp_save + + /* Restore LR from the save area */ + lis r11,swsusp_save_area@h + ori r11,r11,swsusp_save_area@l + lwz r0,SL_LR(r11) + mtlr r0 + + blr + +_GLOBAL(swsusp_arch_resume) + sync + + /* Load ptr the list of pages to copy in r3 */ + lis r11,(restore_pblist)@h + ori r11,r11,restore_pblist@l + lwz r3,0(r11) + + /* Copy the pages. This is a very basic implementation, to + * be replaced by something more cache efficient */ +1: + li r0,256 + mtctr r0 + lwz r5,pbe_address(r3) /* source */ + lwz r6,pbe_orig_address(r3) /* destination */ +2: + lwz r8,0(r5) + lwz r9,4(r5) + lwz r10,8(r5) + lwz r11,12(r5) + addi r5,r5,16 + stw r8,0(r6) + stw r9,4(r6) + stw r10,8(r6) + stw r11,12(r6) + addi r6,r6,16 + bdnz 2b + lwz r3,pbe_next(r3) + cmpwi 0,r3,0 + bne 1b + + bl flush_dcache_L1 + bl flush_instruction_cache + + lis r11,swsusp_save_area@h + ori r11,r11,swsusp_save_area@l + + lwz r4,SL_SPRG0(r11) + mtsprg 0,r4 + lwz r4,SL_SPRG1(r11) + mtsprg 1,r4 + lwz r4,SL_SPRG2(r11) + mtsprg 2,r4 + lwz r4,SL_SPRG3(r11) + mtsprg 3,r4 + lwz r4,SL_SPRG4(r11) + mtsprg 4,r4 + lwz r4,SL_SPRG5(r11) + mtsprg 5,r4 + lwz r4,SL_SPRG6(r11) + mtsprg 6,r4 + lwz r4,SL_SPRG7(r11) + mtsprg 7,r4 + + /* restore the MSR */ + lwz r3,SL_MSR(r11) + mtmsr r3 + + /* Restore TB */ + li r3,0 + mtspr SPRN_TBWL,r3 + lwz r3,SL_TBU(r11) + lwz r4,SL_TBL(r11) + mtspr SPRN_TBWU,r3 + mtspr SPRN_TBWL,r4 + + /* Restore TCR and clear any pending bits in TSR. */ + lwz r4,SL_TCR(r11) + mtspr SPRN_TCR,r4 + lis r4, (TSR_ENW | TSR_WIS | TSR_DIS | TSR_FIS)@h + mtspr SPRN_TSR,r4 + + /* Kick decrementer */ + li r0,1 + mtdec r0 + + /* Restore the callee-saved registers and return */ + lwz r0,SL_CR(r11) + mtcr r0 + lwz r2,SL_R2(r11) + lmw r12,SL_R12(r11) + lwz r1,SL_SP(r11) + lwz r0,SL_LR(r11) + mtlr r0 + + li r3,0 + blr diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 3031fc712ad0..25fc33984c2b 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -1,5 +1,6 @@ /* * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org) + * Copyright 2007-2010 Freescale Semiconductor, Inc. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -305,7 +306,7 @@ static inline int check_io_access(struct pt_regs *regs) #ifndef CONFIG_FSL_BOOKE #define get_mc_reason(regs) ((regs)->dsisr) #else -#define get_mc_reason(regs) (mfspr(SPRN_MCSR) & MCSR_MASK) +#define get_mc_reason(regs) (mfspr(SPRN_MCSR)) #endif #define REASON_FP ESR_FP #define REASON_ILLEGAL (ESR_PIL | ESR_PUO) @@ -421,6 +422,91 @@ int machine_check_47x(struct pt_regs *regs) return 0; } #elif defined(CONFIG_E500) +int machine_check_e500mc(struct pt_regs *regs) +{ + unsigned long mcsr = mfspr(SPRN_MCSR); + unsigned long reason = mcsr; + int recoverable = 1; + + printk("Machine check in kernel mode.\n"); + printk("Caused by (from MCSR=%lx): ", reason); + + if (reason & MCSR_MCP) + printk("Machine Check Signal\n"); + + if (reason & MCSR_ICPERR) { + printk("Instruction Cache Parity Error\n"); + + /* + * This is recoverable by invalidating the i-cache. + */ + mtspr(SPRN_L1CSR1, mfspr(SPRN_L1CSR1) | L1CSR1_ICFI); + while (mfspr(SPRN_L1CSR1) & L1CSR1_ICFI) + ; + + /* + * This will generally be accompanied by an instruction + * fetch error report -- only treat MCSR_IF as fatal + * if it wasn't due to an L1 parity error. + */ + reason &= ~MCSR_IF; + } + + if (reason & MCSR_DCPERR_MC) { + printk("Data Cache Parity Error\n"); + recoverable = 0; + } + + if (reason & MCSR_L2MMU_MHIT) { + printk("Hit on multiple TLB entries\n"); + recoverable = 0; + } + + if (reason & MCSR_NMI) + printk("Non-maskable interrupt\n"); + + if (reason & MCSR_IF) { + printk("Instruction Fetch Error Report\n"); + recoverable = 0; + } + + if (reason & MCSR_LD) { + printk("Load Error Report\n"); + recoverable = 0; + } + + if (reason & MCSR_ST) { + printk("Store Error Report\n"); + recoverable = 0; + } + + if (reason & MCSR_LDG) { + printk("Guarded Load Error Report\n"); + recoverable = 0; + } + + if (reason & MCSR_TLBSYNC) + printk("Simultaneous tlbsync operations\n"); + + if (reason & MCSR_BSL2_ERR) { + printk("Level 2 Cache Error\n"); + recoverable = 0; + } + + if (reason & MCSR_MAV) { + u64 addr; + + addr = mfspr(SPRN_MCAR); + addr |= (u64)mfspr(SPRN_MCARU) << 32; + + printk("Machine Check %s Address: %#llx\n", + reason & MCSR_MEA ? "Effective" : "Physical", addr); + } + + mtspr(SPRN_MCSR, mcsr); + return mfspr(SPRN_MCSR) == 0 && recoverable; +} + int machine_check_e500(struct pt_regs *regs) { unsigned long reason = get_mc_reason(regs); diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig index eeba0a70e466..69d668c072ae 100644 --- a/arch/powerpc/platforms/44x/Kconfig +++ b/arch/powerpc/platforms/44x/Kconfig @@ -171,6 +171,17 @@ config ISS4xx help This option enables support for the IBM ISS simulation environment +config ICON + bool "Icon" + depends on 44x + default n + select PPC44x_SIMPLE + select 440SPe + select PCI + select PPC4xx_PCI_EXPRESS + help + This option enables support for the AMCC PPC440SPe evaluation board. + #config LUAN # bool "Luan" # depends on 44x diff --git a/arch/powerpc/platforms/44x/ppc44x_simple.c b/arch/powerpc/platforms/44x/ppc44x_simple.c index e8c23ccaa1fc..5f7a29d7f590 100644 --- a/arch/powerpc/platforms/44x/ppc44x_simple.c +++ b/arch/powerpc/platforms/44x/ppc44x_simple.c @@ -61,7 +61,8 @@ static char *board[] __initdata = { "amcc,redwood", "amcc,sequoia", "amcc,taishan", - "amcc,yosemite" + "amcc,yosemite", + "mosaixtech,icon" }; static int __init ppc44x_probe(void) diff --git a/arch/powerpc/platforms/512x/Kconfig b/arch/powerpc/platforms/512x/Kconfig index 4dac9b0525a4..e9dca280a4d2 100644 --- a/arch/powerpc/platforms/512x/Kconfig +++ b/arch/powerpc/platforms/512x/Kconfig @@ -1,29 +1,24 @@ config PPC_MPC512x - bool + bool "512x-based boards" + depends on 6xx select FSL_SOC select IPIC select PPC_CLOCK select PPC_PCI_CHOICE select FSL_PCI if PCI -config PPC_MPC5121 - bool - select PPC_MPC512x - config MPC5121_ADS bool "Freescale MPC5121E ADS" - depends on 6xx + depends on PPC_MPC512x select DEFAULT_UIMAGE - select PPC_MPC5121 select MPC5121_ADS_CPLD help This option enables support for the MPC5121E ADS board. config MPC5121_GENERIC bool "Generic support for simple MPC5121 based boards" - depends on 6xx + depends on PPC_MPC512x select DEFAULT_UIMAGE - select PPC_MPC5121 help This option enables support for simple MPC5121 based boards which do not need custom platform specific setup. diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c index f0684c8ac960..8fe87fc61485 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c @@ -1,5 +1,5 @@ /* - * Copyright (C) Freescale Semicondutor, Inc. 2006-2007. All rights reserved. + * Copyright (C) Freescale Semicondutor, Inc. 2006-2010. All rights reserved. * * Author: Andy Fleming <afleming@freescale.com> * @@ -154,6 +154,10 @@ static int mpc8568_mds_phy_fixups(struct phy_device *phydev) * Setup the architecture * */ +#ifdef CONFIG_SMP +extern void __init mpc85xx_smp_init(void); +#endif + static void __init mpc85xx_mds_setup_arch(void) { struct device_node *np; @@ -194,6 +198,10 @@ static void __init mpc85xx_mds_setup_arch(void) } #endif +#ifdef CONFIG_SMP + mpc85xx_smp_init(); +#endif + #ifdef CONFIG_QUICC_ENGINE np = of_find_compatible_node(NULL, NULL, "fsl,qe"); if (!np) { @@ -271,9 +279,49 @@ static void __init mpc85xx_mds_setup_arch(void) BCSR_UCC_RGMII, BCSR_UCC_RTBI); } + } else if (machine_is(p1021_mds)) { +#define BCSR11_ENET_MICRST (0x1 << 5) + /* Reset Micrel PHY */ + clrbits8(&bcsr_regs[11], BCSR11_ENET_MICRST); + setbits8(&bcsr_regs[11], BCSR11_ENET_MICRST); } + iounmap(bcsr_regs); } + + if (machine_is(p1021_mds)) { +#define MPC85xx_PMUXCR_OFFSET 0x60 +#define MPC85xx_PMUXCR_QE0 0x00008000 +#define MPC85xx_PMUXCR_QE3 0x00001000 +#define MPC85xx_PMUXCR_QE9 0x00000040 +#define MPC85xx_PMUXCR_QE12 0x00000008 + static __be32 __iomem *pmuxcr; + + np = of_find_node_by_name(NULL, "global-utilities"); + + if (np) { + pmuxcr = of_iomap(np, 0) + MPC85xx_PMUXCR_OFFSET; + + if (!pmuxcr) + printk(KERN_EMERG "Error: Alternate function" + " signal multiplex control register not" + " mapped!\n"); + else + /* P1021 has pins muxed for QE and other functions. To + * enable QE UEC mode, we need to set bit QE0 for UCC1 + * in Eth mode, QE0 and QE3 for UCC5 in Eth mode, QE9 + * and QE12 for QE MII management singals in PMUXCR + * register. + */ + setbits32(pmuxcr, MPC85xx_PMUXCR_QE0 | + MPC85xx_PMUXCR_QE3 | + MPC85xx_PMUXCR_QE9 | + MPC85xx_PMUXCR_QE12); + + of_node_put(np); + } + + } #endif /* CONFIG_QUICC_ENGINE */ #ifdef CONFIG_SWIOTLB @@ -330,6 +378,16 @@ static struct of_device_id mpc85xx_ids[] = { {}, }; +static struct of_device_id p1021_ids[] = { + { .type = "soc", }, + { .compatible = "soc", }, + { .compatible = "simple-bus", }, + { .type = "qe", }, + { .compatible = "fsl,qe", }, + { .compatible = "gianfar", }, + {}, +}; + static int __init mpc85xx_publish_devices(void) { if (machine_is(mpc8568_mds)) @@ -342,11 +400,22 @@ static int __init mpc85xx_publish_devices(void) return 0; } + +static int __init p1021_publish_devices(void) +{ + /* Publish the QE devices */ + of_platform_bus_probe(NULL, p1021_ids, NULL); + + return 0; +} + machine_device_initcall(mpc8568_mds, mpc85xx_publish_devices); machine_device_initcall(mpc8569_mds, mpc85xx_publish_devices); +machine_device_initcall(p1021_mds, p1021_publish_devices); machine_arch_initcall(mpc8568_mds, swiotlb_setup_bus_notifier); machine_arch_initcall(mpc8569_mds, swiotlb_setup_bus_notifier); +machine_arch_initcall(p1021_mds, swiotlb_setup_bus_notifier); static void __init mpc85xx_mds_pic_init(void) { @@ -366,7 +435,7 @@ static void __init mpc85xx_mds_pic_init(void) mpic = mpic_alloc(np, r.start, MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN | - MPIC_BROKEN_FRR_NIRQS, + MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU, 0, 256, " OpenPIC "); BUG_ON(mpic == NULL); of_node_put(np); @@ -380,7 +449,11 @@ static void __init mpc85xx_mds_pic_init(void) if (!np) return; } - qe_ic_init(np, 0, qe_ic_cascade_muxed_mpic, NULL); + if (machine_is(p1021_mds)) + qe_ic_init(np, 0, qe_ic_cascade_low_mpic, + qe_ic_cascade_high_mpic); + else + qe_ic_init(np, 0, qe_ic_cascade_muxed_mpic, NULL); of_node_put(np); #endif /* CONFIG_QUICC_ENGINE */ } @@ -426,3 +499,26 @@ define_machine(mpc8569_mds) { .pcibios_fixup_bus = fsl_pcibios_fixup_bus, #endif }; + +static int __init p1021_mds_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + return of_flat_dt_is_compatible(root, "fsl,P1021MDS"); + +} + +define_machine(p1021_mds) { + .name = "P1021 MDS", + .probe = p1021_mds_probe, + .setup_arch = mpc85xx_mds_setup_arch, + .init_IRQ = mpc85xx_mds_pic_init, + .get_irq = mpic_get_irq, + .restart = fsl_rstcr_restart, + .calibrate_decr = generic_calibrate_decr, + .progress = udbg_progress, +#ifdef CONFIG_PCI + .pcibios_fixup_bus = fsl_pcibios_fixup_bus, +#endif +}; + diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c index 5c2808252516..1a40da92154c 100644 --- a/arch/powerpc/platforms/cell/spufs/file.c +++ b/arch/powerpc/platforms/cell/spufs/file.c @@ -1849,8 +1849,7 @@ out: return ret; } -static int spufs_mfc_fsync(struct file *file, struct dentry *dentry, - int datasync) +static int spufs_mfc_fsync(struct file *file, int datasync) { return spufs_mfc_flush(file, NULL); } diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c index fc1b1c42b1dc..e5e5f823d687 100644 --- a/arch/powerpc/platforms/cell/spufs/inode.c +++ b/arch/powerpc/platforms/cell/spufs/inode.c @@ -251,7 +251,7 @@ const struct file_operations spufs_context_fops = { .llseek = dcache_dir_lseek, .read = generic_read_dir, .readdir = dcache_readdir, - .fsync = simple_sync_file, + .fsync = noop_fsync, }; EXPORT_SYMBOL_GPL(spufs_context_fops); diff --git a/arch/powerpc/platforms/pseries/hvCall_inst.c b/arch/powerpc/platforms/pseries/hvCall_inst.c index 1fefae76e295..e19ff021e711 100644 --- a/arch/powerpc/platforms/pseries/hvCall_inst.c +++ b/arch/powerpc/platforms/pseries/hvCall_inst.c @@ -102,7 +102,7 @@ static const struct file_operations hcall_inst_seq_fops = { #define CPU_NAME_BUF_SIZE 32 -static void probe_hcall_entry(unsigned long opcode, unsigned long *args) +static void probe_hcall_entry(void *ignored, unsigned long opcode, unsigned long *args) { struct hcall_stats *h; @@ -114,7 +114,7 @@ static void probe_hcall_entry(unsigned long opcode, unsigned long *args) h->purr_start = mfspr(SPRN_PURR); } -static void probe_hcall_exit(unsigned long opcode, unsigned long retval, +static void probe_hcall_exit(void *ignored, unsigned long opcode, unsigned long retval, unsigned long *retbuf) { struct hcall_stats *h; @@ -140,11 +140,11 @@ static int __init hcall_inst_init(void) if (!firmware_has_feature(FW_FEATURE_LPAR)) return 0; - if (register_trace_hcall_entry(probe_hcall_entry)) + if (register_trace_hcall_entry(probe_hcall_entry, NULL)) return -EINVAL; - if (register_trace_hcall_exit(probe_hcall_exit)) { - unregister_trace_hcall_entry(probe_hcall_entry); + if (register_trace_hcall_exit(probe_hcall_exit, NULL)) { + unregister_trace_hcall_entry(probe_hcall_entry, NULL); return -EINVAL; } diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c index a7be144f5874..0f5bee90ee4e 100644 --- a/arch/powerpc/sysdev/fsl_msi.c +++ b/arch/powerpc/sysdev/fsl_msi.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2007-2008 Freescale Semiconductor, Inc. All rights reserved. + * Copyright (C) 2007-2010 Freescale Semiconductor, Inc. * * Author: Tony Li <tony.li@freescale.com> * Jason Jin <Jason.jin@freescale.com> @@ -22,14 +22,20 @@ #include <asm/prom.h> #include <asm/hw_irq.h> #include <asm/ppc-pci.h> +#include <asm/mpic.h> #include "fsl_msi.h" +LIST_HEAD(msi_head); + struct fsl_msi_feature { u32 fsl_pic_ip; u32 msiir_offset; }; -static struct fsl_msi *fsl_msi; +struct fsl_msi_cascade_data { + struct fsl_msi *msi_data; + int index; +}; static inline u32 fsl_msi_read(u32 __iomem *base, unsigned int reg) { @@ -54,10 +60,12 @@ static struct irq_chip fsl_msi_chip = { static int fsl_msi_host_map(struct irq_host *h, unsigned int virq, irq_hw_number_t hw) { + struct fsl_msi *msi_data = h->host_data; struct irq_chip *chip = &fsl_msi_chip; irq_to_desc(virq)->status |= IRQ_TYPE_EDGE_FALLING; + set_irq_chip_data(virq, msi_data); set_irq_chip_and_handler(virq, chip, handle_edge_irq); return 0; @@ -96,11 +104,12 @@ static int fsl_msi_check_device(struct pci_dev *pdev, int nvec, int type) static void fsl_teardown_msi_irqs(struct pci_dev *pdev) { struct msi_desc *entry; - struct fsl_msi *msi_data = fsl_msi; + struct fsl_msi *msi_data; list_for_each_entry(entry, &pdev->msi_list, list) { if (entry->irq == NO_IRQ) continue; + msi_data = get_irq_data(entry->irq); set_irq_msi(entry->irq, NULL); msi_bitmap_free_hwirqs(&msi_data->bitmap, virq_to_hw(entry->irq), 1); @@ -111,9 +120,10 @@ static void fsl_teardown_msi_irqs(struct pci_dev *pdev) } static void fsl_compose_msi_msg(struct pci_dev *pdev, int hwirq, - struct msi_msg *msg) + struct msi_msg *msg, + struct fsl_msi *fsl_msi_data) { - struct fsl_msi *msi_data = fsl_msi; + struct fsl_msi *msi_data = fsl_msi_data; struct pci_controller *hose = pci_bus_to_host(pdev->bus); u32 base = 0; @@ -130,14 +140,19 @@ static void fsl_compose_msi_msg(struct pci_dev *pdev, int hwirq, static int fsl_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) { - int rc, hwirq; + int rc, hwirq = -ENOMEM; unsigned int virq; struct msi_desc *entry; struct msi_msg msg; - struct fsl_msi *msi_data = fsl_msi; + struct fsl_msi *msi_data; list_for_each_entry(entry, &pdev->msi_list, list) { - hwirq = msi_bitmap_alloc_hwirqs(&msi_data->bitmap, 1); + list_for_each_entry(msi_data, &msi_head, list) { + hwirq = msi_bitmap_alloc_hwirqs(&msi_data->bitmap, 1); + if (hwirq >= 0) + break; + } + if (hwirq < 0) { rc = hwirq; pr_debug("%s: fail allocating msi interrupt\n", @@ -154,25 +169,31 @@ static int fsl_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) rc = -ENOSPC; goto out_free; } + set_irq_data(virq, msi_data); set_irq_msi(virq, entry); - fsl_compose_msi_msg(pdev, hwirq, &msg); + fsl_compose_msi_msg(pdev, hwirq, &msg, msi_data); write_msi_msg(virq, &msg); } return 0; out_free: + /* free by the caller of this function */ return rc; } static void fsl_msi_cascade(unsigned int irq, struct irq_desc *desc) { unsigned int cascade_irq; - struct fsl_msi *msi_data = fsl_msi; + struct fsl_msi *msi_data; int msir_index = -1; u32 msir_value = 0; u32 intr_index; u32 have_shift = 0; + struct fsl_msi_cascade_data *cascade_data; + + cascade_data = (struct fsl_msi_cascade_data *)get_irq_data(irq); + msi_data = cascade_data->msi_data; raw_spin_lock(&desc->lock); if ((msi_data->feature & FSL_PIC_IP_MASK) == FSL_PIC_IP_IPIC) { @@ -187,13 +208,13 @@ static void fsl_msi_cascade(unsigned int irq, struct irq_desc *desc) if (unlikely(desc->status & IRQ_INPROGRESS)) goto unlock; - msir_index = (int)desc->handler_data; + msir_index = cascade_data->index; if (msir_index >= NR_MSI_REG) cascade_irq = NO_IRQ; desc->status |= IRQ_INPROGRESS; - switch (fsl_msi->feature & FSL_PIC_IP_MASK) { + switch (msi_data->feature & FSL_PIC_IP_MASK) { case FSL_PIC_IP_MPIC: msir_value = fsl_msi_read(msi_data->msi_regs, msir_index * 0x10); @@ -229,6 +250,30 @@ unlock: raw_spin_unlock(&desc->lock); } +static int fsl_of_msi_remove(struct of_device *ofdev) +{ + struct fsl_msi *msi = ofdev->dev.platform_data; + int virq, i; + struct fsl_msi_cascade_data *cascade_data; + + if (msi->list.prev != NULL) + list_del(&msi->list); + for (i = 0; i < NR_MSI_REG; i++) { + virq = msi->msi_virqs[i]; + if (virq != NO_IRQ) { + cascade_data = get_irq_data(virq); + kfree(cascade_data); + irq_dispose_mapping(virq); + } + } + if (msi->bitmap.bitmap) + msi_bitmap_free(&msi->bitmap); + iounmap(msi->msi_regs); + kfree(msi); + + return 0; +} + static int __devinit fsl_of_msi_probe(struct of_device *dev, const struct of_device_id *match) { @@ -239,15 +284,18 @@ static int __devinit fsl_of_msi_probe(struct of_device *dev, int virt_msir; const u32 *p; struct fsl_msi_feature *features = match->data; + struct fsl_msi_cascade_data *cascade_data = NULL; + int len; + u32 offset; printk(KERN_DEBUG "Setting up Freescale MSI support\n"); msi = kzalloc(sizeof(struct fsl_msi), GFP_KERNEL); if (!msi) { dev_err(&dev->dev, "No memory for MSI structure\n"); - err = -ENOMEM; - goto error_out; + return -ENOMEM; } + dev->dev.platform_data = msi; msi->irqhost = irq_alloc_host(dev->dev.of_node, IRQ_HOST_MAP_LINEAR, NR_MSI_IRQS, &fsl_msi_host_ops, 0); @@ -298,27 +346,47 @@ static int __devinit fsl_of_msi_probe(struct of_device *dev, err = -EINVAL; goto error_out; } + offset = 0; + p = of_get_property(dev->node, "msi-available-ranges", &len); + if (p) + offset = *p / IRQS_PER_MSI_REG; count /= sizeof(u32); - for (i = 0; i < count / 2; i++) { - if (i > NR_MSI_REG) - break; + for (i = 0; i < min(count / 2, NR_MSI_REG); i++) { virt_msir = irq_of_parse_and_map(dev->dev.of_node, i); if (virt_msir != NO_IRQ) { - set_irq_data(virt_msir, (void *)i); + cascade_data = kzalloc( + sizeof(struct fsl_msi_cascade_data), + GFP_KERNEL); + if (!cascade_data) { + dev_err(&dev->dev, + "No memory for MSI cascade data\n"); + err = -ENOMEM; + goto error_out; + } + msi->msi_virqs[i] = virt_msir; + cascade_data->index = i + offset; + cascade_data->msi_data = msi; + set_irq_data(virt_msir, (void *)cascade_data); set_irq_chained_handler(virt_msir, fsl_msi_cascade); } } - fsl_msi = msi; + list_add_tail(&msi->list, &msi_head); - WARN_ON(ppc_md.setup_msi_irqs); - ppc_md.setup_msi_irqs = fsl_setup_msi_irqs; - ppc_md.teardown_msi_irqs = fsl_teardown_msi_irqs; - ppc_md.msi_check_device = fsl_msi_check_device; + /* The multiple setting ppc_md.setup_msi_irqs will not harm things */ + if (!ppc_md.setup_msi_irqs) { + ppc_md.setup_msi_irqs = fsl_setup_msi_irqs; + ppc_md.teardown_msi_irqs = fsl_teardown_msi_irqs; + ppc_md.msi_check_device = fsl_msi_check_device; + } else if (ppc_md.setup_msi_irqs != fsl_setup_msi_irqs) { + dev_err(&dev->dev, "Different MSI driver already installed!\n"); + err = -ENODEV; + goto error_out; + } return 0; error_out: - kfree(msi); + fsl_of_msi_remove(dev); return err; } @@ -351,6 +419,7 @@ static struct of_platform_driver fsl_of_msi_driver = { .of_match_table = fsl_of_msi_ids, }, .probe = fsl_of_msi_probe, + .remove = fsl_of_msi_remove, }; static __init int fsl_of_msi_init(void) diff --git a/arch/powerpc/sysdev/fsl_msi.h b/arch/powerpc/sysdev/fsl_msi.h index 331c7e7025b7..624580c252d7 100644 --- a/arch/powerpc/sysdev/fsl_msi.h +++ b/arch/powerpc/sysdev/fsl_msi.h @@ -32,8 +32,11 @@ struct fsl_msi { u32 msi_addr_hi; void __iomem *msi_regs; u32 feature; + int msi_virqs[NR_MSI_REG]; struct msi_bitmap bitmap; + + struct list_head list; /* support multiple MSI banks */ }; #endif /* _POWERPC_SYSDEV_FSL_MSI_H */ diff --git a/arch/powerpc/sysdev/ppc4xx_pci.c b/arch/powerpc/sysdev/ppc4xx_pci.c index 106d767bf65b..156aa7d36258 100644 --- a/arch/powerpc/sysdev/ppc4xx_pci.c +++ b/arch/powerpc/sysdev/ppc4xx_pci.c @@ -974,6 +974,123 @@ static struct ppc4xx_pciex_hwops ppc460ex_pcie_hwops __initdata = .setup_utl = ppc460ex_pciex_init_utl, }; +static int __init ppc460sx_pciex_core_init(struct device_node *np) +{ + /* HSS drive amplitude */ + mtdcri(SDR0, PESDR0_460SX_HSSL0DAMP, 0xB9843211); + mtdcri(SDR0, PESDR0_460SX_HSSL1DAMP, 0xB9843211); + mtdcri(SDR0, PESDR0_460SX_HSSL2DAMP, 0xB9843211); + mtdcri(SDR0, PESDR0_460SX_HSSL3DAMP, 0xB9843211); + mtdcri(SDR0, PESDR0_460SX_HSSL4DAMP, 0xB9843211); + mtdcri(SDR0, PESDR0_460SX_HSSL5DAMP, 0xB9843211); + mtdcri(SDR0, PESDR0_460SX_HSSL6DAMP, 0xB9843211); + mtdcri(SDR0, PESDR0_460SX_HSSL7DAMP, 0xB9843211); + + mtdcri(SDR0, PESDR1_460SX_HSSL0DAMP, 0xB9843211); + mtdcri(SDR0, PESDR1_460SX_HSSL1DAMP, 0xB9843211); + mtdcri(SDR0, PESDR1_460SX_HSSL2DAMP, 0xB9843211); + mtdcri(SDR0, PESDR1_460SX_HSSL3DAMP, 0xB9843211); + + mtdcri(SDR0, PESDR2_460SX_HSSL0DAMP, 0xB9843211); + mtdcri(SDR0, PESDR2_460SX_HSSL1DAMP, 0xB9843211); + mtdcri(SDR0, PESDR2_460SX_HSSL2DAMP, 0xB9843211); + mtdcri(SDR0, PESDR2_460SX_HSSL3DAMP, 0xB9843211); + + /* HSS TX pre-emphasis */ + mtdcri(SDR0, PESDR0_460SX_HSSL0COEFA, 0xDCB98987); + mtdcri(SDR0, PESDR0_460SX_HSSL1COEFA, 0xDCB98987); + mtdcri(SDR0, PESDR0_460SX_HSSL2COEFA, 0xDCB98987); + mtdcri(SDR0, PESDR0_460SX_HSSL3COEFA, 0xDCB98987); + mtdcri(SDR0, PESDR0_460SX_HSSL4COEFA, 0xDCB98987); + mtdcri(SDR0, PESDR0_460SX_HSSL5COEFA, 0xDCB98987); + mtdcri(SDR0, PESDR0_460SX_HSSL6COEFA, 0xDCB98987); + mtdcri(SDR0, PESDR0_460SX_HSSL7COEFA, 0xDCB98987); + + mtdcri(SDR0, PESDR1_460SX_HSSL0COEFA, 0xDCB98987); + mtdcri(SDR0, PESDR1_460SX_HSSL1COEFA, 0xDCB98987); + mtdcri(SDR0, PESDR1_460SX_HSSL2COEFA, 0xDCB98987); + mtdcri(SDR0, PESDR1_460SX_HSSL3COEFA, 0xDCB98987); + + mtdcri(SDR0, PESDR2_460SX_HSSL0COEFA, 0xDCB98987); + mtdcri(SDR0, PESDR2_460SX_HSSL1COEFA, 0xDCB98987); + mtdcri(SDR0, PESDR2_460SX_HSSL2COEFA, 0xDCB98987); + mtdcri(SDR0, PESDR2_460SX_HSSL3COEFA, 0xDCB98987); + + /* HSS TX calibration control */ + mtdcri(SDR0, PESDR0_460SX_HSSL1CALDRV, 0x22222222); + mtdcri(SDR0, PESDR1_460SX_HSSL1CALDRV, 0x22220000); + mtdcri(SDR0, PESDR2_460SX_HSSL1CALDRV, 0x22220000); + + /* HSS TX slew control */ + mtdcri(SDR0, PESDR0_460SX_HSSSLEW, 0xFFFFFFFF); + mtdcri(SDR0, PESDR1_460SX_HSSSLEW, 0xFFFF0000); + mtdcri(SDR0, PESDR2_460SX_HSSSLEW, 0xFFFF0000); + + udelay(100); + + /* De-assert PLLRESET */ + dcri_clrset(SDR0, PESDR0_PLLLCT2, 0x00000100, 0); + + /* Reset DL, UTL, GPL before configuration */ + mtdcri(SDR0, PESDR0_460SX_RCSSET, + PESDRx_RCSSET_RSTDL | PESDRx_RCSSET_RSTGU); + mtdcri(SDR0, PESDR1_460SX_RCSSET, + PESDRx_RCSSET_RSTDL | PESDRx_RCSSET_RSTGU); + mtdcri(SDR0, PESDR2_460SX_RCSSET, + PESDRx_RCSSET_RSTDL | PESDRx_RCSSET_RSTGU); + + udelay(100); + + /* + * If bifurcation is not enabled, u-boot would have disabled the + * third PCIe port + */ + if (((mfdcri(SDR0, PESDR1_460SX_HSSCTLSET) & 0x00000001) == + 0x00000001)) { + printk(KERN_INFO "PCI: PCIE bifurcation setup successfully.\n"); + printk(KERN_INFO "PCI: Total 3 PCIE ports are present\n"); + return 3; + } + + printk(KERN_INFO "PCI: Total 2 PCIE ports are present\n"); + return 2; +} + +static int ppc460sx_pciex_init_port_hw(struct ppc4xx_pciex_port *port) +{ + + if (port->endpoint) + dcri_clrset(SDR0, port->sdr_base + PESDRn_UTLSET2, + 0x01000000, 0); + else + dcri_clrset(SDR0, port->sdr_base + PESDRn_UTLSET2, + 0, 0x01000000); + + /*Gen-1*/ + mtdcri(SDR0, port->sdr_base + PESDRn_460SX_RCEI, 0x08000000); + + dcri_clrset(SDR0, port->sdr_base + PESDRn_RCSSET, + (PESDRx_RCSSET_RSTGU | PESDRx_RCSSET_RSTDL), + PESDRx_RCSSET_RSTPYN); + + port->has_ibpre = 1; + + return 0; +} + +static int ppc460sx_pciex_init_utl(struct ppc4xx_pciex_port *port) +{ + /* Max 128 Bytes */ + out_be32 (port->utl_base + PEUTL_PBBSZ, 0x00000000); + return 0; +} + +static struct ppc4xx_pciex_hwops ppc460sx_pcie_hwops __initdata = { + .core_init = ppc460sx_pciex_core_init, + .port_init_hw = ppc460sx_pciex_init_port_hw, + .setup_utl = ppc460sx_pciex_init_utl, +}; + #endif /* CONFIG_44x */ #ifdef CONFIG_40x @@ -1089,6 +1206,8 @@ static int __init ppc4xx_pciex_check_core_init(struct device_node *np) } if (of_device_is_compatible(np, "ibm,plb-pciex-460ex")) ppc4xx_pciex_hwops = &ppc460ex_pcie_hwops; + if (of_device_is_compatible(np, "ibm,plb-pciex-460sx")) + ppc4xx_pciex_hwops = &ppc460sx_pcie_hwops; #endif /* CONFIG_44x */ #ifdef CONFIG_40x if (of_device_is_compatible(np, "ibm,plb-pciex-405ex")) diff --git a/arch/powerpc/sysdev/ppc4xx_pci.h b/arch/powerpc/sysdev/ppc4xx_pci.h index d04e40b306fb..56d9e5deccbf 100644 --- a/arch/powerpc/sysdev/ppc4xx_pci.h +++ b/arch/powerpc/sysdev/ppc4xx_pci.h @@ -324,6 +324,64 @@ #define PESDR0_460EX_IHS2 0x036D /* + * 460SX addtional DCRs + */ +#define PESDRn_460SX_RCEI 0x02 + +#define PESDR0_460SX_HSSL0DAMP 0x320 +#define PESDR0_460SX_HSSL1DAMP 0x321 +#define PESDR0_460SX_HSSL2DAMP 0x322 +#define PESDR0_460SX_HSSL3DAMP 0x323 +#define PESDR0_460SX_HSSL4DAMP 0x324 +#define PESDR0_460SX_HSSL5DAMP 0x325 +#define PESDR0_460SX_HSSL6DAMP 0x326 +#define PESDR0_460SX_HSSL7DAMP 0x327 + +#define PESDR1_460SX_HSSL0DAMP 0x354 +#define PESDR1_460SX_HSSL1DAMP 0x355 +#define PESDR1_460SX_HSSL2DAMP 0x356 +#define PESDR1_460SX_HSSL3DAMP 0x357 + +#define PESDR2_460SX_HSSL0DAMP 0x384 +#define PESDR2_460SX_HSSL1DAMP 0x385 +#define PESDR2_460SX_HSSL2DAMP 0x386 +#define PESDR2_460SX_HSSL3DAMP 0x387 + +#define PESDR0_460SX_HSSL0COEFA 0x328 +#define PESDR0_460SX_HSSL1COEFA 0x329 +#define PESDR0_460SX_HSSL2COEFA 0x32A +#define PESDR0_460SX_HSSL3COEFA 0x32B +#define PESDR0_460SX_HSSL4COEFA 0x32C +#define PESDR0_460SX_HSSL5COEFA 0x32D +#define PESDR0_460SX_HSSL6COEFA 0x32E +#define PESDR0_460SX_HSSL7COEFA 0x32F + +#define PESDR1_460SX_HSSL0COEFA 0x358 +#define PESDR1_460SX_HSSL1COEFA 0x359 +#define PESDR1_460SX_HSSL2COEFA 0x35A +#define PESDR1_460SX_HSSL3COEFA 0x35B + +#define PESDR2_460SX_HSSL0COEFA 0x388 +#define PESDR2_460SX_HSSL1COEFA 0x389 +#define PESDR2_460SX_HSSL2COEFA 0x38A +#define PESDR2_460SX_HSSL3COEFA 0x38B + +#define PESDR0_460SX_HSSL1CALDRV 0x339 +#define PESDR1_460SX_HSSL1CALDRV 0x361 +#define PESDR2_460SX_HSSL1CALDRV 0x391 + +#define PESDR0_460SX_HSSSLEW 0x338 +#define PESDR1_460SX_HSSSLEW 0x360 +#define PESDR2_460SX_HSSSLEW 0x390 + +#define PESDR0_460SX_HSSCTLSET 0x31E +#define PESDR1_460SX_HSSCTLSET 0x352 +#define PESDR2_460SX_HSSCTLSET 0x382 + +#define PESDR0_460SX_RCSSET 0x304 +#define PESDR1_460SX_RCSSET 0x344 +#define PESDR2_460SX_RCSSET 0x374 +/* * Of the above, some are common offsets from the base */ #define PESDRn_UTLSET1 0x00 diff --git a/arch/s390/appldata/appldata_os.c b/arch/s390/appldata/appldata_os.c index 55c80ffd42b9..92f1cb745d69 100644 --- a/arch/s390/appldata/appldata_os.c +++ b/arch/s390/appldata/appldata_os.c @@ -181,7 +181,7 @@ static int __init appldata_os_init(void) goto out; } - appldata_os_data = kzalloc(max_size, GFP_DMA); + appldata_os_data = kzalloc(max_size, GFP_KERNEL | GFP_DMA); if (appldata_os_data == NULL) { rc = -ENOMEM; goto out; diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c index 639380a0c45c..22cfd634c355 100644 --- a/arch/s390/kernel/module.c +++ b/arch/s390/kernel/module.c @@ -55,8 +55,10 @@ void *module_alloc(unsigned long size) /* Free memory returned from module_alloc */ void module_free(struct module *mod, void *module_region) { - vfree(mod->arch.syminfo); - mod->arch.syminfo = NULL; + if (mod) { + vfree(mod->arch.syminfo); + mod->arch.syminfo = NULL; + } vfree(module_region); } diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 8093e6f47f49..ae3705816878 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -761,7 +761,7 @@ static int __init kvm_s390_init(void) * to hold the maximum amount of facilites. On the other hand, we * only set facilities that are known to work in KVM. */ - facilities = (unsigned long long *) get_zeroed_page(GFP_DMA); + facilities = (unsigned long long *) get_zeroed_page(GFP_KERNEL|GFP_DMA); if (!facilities) { kvm_exit(); return -ENOMEM; diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c index eff3c5989b46..702276f5e2fa 100644 --- a/arch/s390/kvm/sigp.c +++ b/arch/s390/kvm/sigp.c @@ -113,7 +113,7 @@ static int __inject_sigp_stop(struct kvm_s390_local_interrupt *li, int action) { struct kvm_s390_interrupt_info *inti; - inti = kzalloc(sizeof(*inti), GFP_KERNEL); + inti = kzalloc(sizeof(*inti), GFP_ATOMIC); if (!inti) return -ENOMEM; inti->type = KVM_S390_SIGP_STOP; diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c index eb6a2ef5f82e..4bddf8d3a150 100644 --- a/arch/s390/mm/cmm.c +++ b/arch/s390/mm/cmm.c @@ -427,7 +427,7 @@ static struct notifier_block cmm_power_notifier = { .notifier_call = cmm_power_event, }; -static int cmm_init(void) +static int __init cmm_init(void) { int rc = -ENOMEM; @@ -467,7 +467,7 @@ out_sysctl: } module_init(cmm_init); -static void cmm_exit(void) +static void __exit cmm_exit(void) { unregister_sysctl_table(cmm_sysctl_header); #ifdef CONFIG_CMM_IUCV diff --git a/arch/s390/mm/extmem.c b/arch/s390/mm/extmem.c index 6409fd57eb04..3cc95dd0a3a6 100644 --- a/arch/s390/mm/extmem.c +++ b/arch/s390/mm/extmem.c @@ -105,7 +105,7 @@ static int dcss_set_subcodes(void) { #ifdef CONFIG_64BIT - char *name = kmalloc(8 * sizeof(char), GFP_DMA); + char *name = kmalloc(8 * sizeof(char), GFP_KERNEL | GFP_DMA); unsigned long rx, ry; int rc; @@ -252,12 +252,13 @@ dcss_diag_translate_rc (int vm_rc) { static int query_segment_type (struct dcss_segment *seg) { - struct qin64 *qin = kmalloc (sizeof(struct qin64), GFP_DMA); - struct qout64 *qout = kmalloc (sizeof(struct qout64), GFP_DMA); - - int diag_cc, rc, i; unsigned long dummy, vmrc; + int diag_cc, rc, i; + struct qout64 *qout; + struct qin64 *qin; + qin = kmalloc(sizeof(*qin), GFP_KERNEL | GFP_DMA); + qout = kmalloc(sizeof(*qout), GFP_KERNEL | GFP_DMA); if ((qin == NULL) || (qout == NULL)) { rc = -ENOMEM; goto out_free; @@ -286,7 +287,7 @@ query_segment_type (struct dcss_segment *seg) copy data for the new format. */ if (segext_scode == DCSS_SEGEXT) { struct qout64_old *qout_old; - qout_old = kzalloc(sizeof(struct qout64_old), GFP_DMA); + qout_old = kzalloc(sizeof(*qout_old), GFP_KERNEL | GFP_DMA); if (qout_old == NULL) { rc = -ENOMEM; goto out_free; @@ -407,11 +408,11 @@ segment_overlaps_others (struct dcss_segment *seg) static int __segment_load (char *name, int do_nonshared, unsigned long *addr, unsigned long *end) { - struct dcss_segment *seg = kmalloc(sizeof(struct dcss_segment), - GFP_DMA); - int rc, diag_cc; unsigned long start_addr, end_addr, dummy; + struct dcss_segment *seg; + int rc, diag_cc; + seg = kmalloc(sizeof(*seg), GFP_KERNEL | GFP_DMA); if (seg == NULL) { rc = -ENOMEM; goto out; diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c index 49714258732e..3845258242ac 100644 --- a/arch/sh/boards/mach-ecovec24/setup.c +++ b/arch/sh/boards/mach-ecovec24/setup.c @@ -26,7 +26,6 @@ #include <linux/mmc/host.h> #include <linux/input.h> #include <linux/input/sh_keysc.h> -#include <linux/mfd/sh_mobile_sdhi.h> #include <video/sh_mobile_lcdc.h> #include <sound/sh_fsi.h> #include <media/sh_mobile_ceu.h> diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c index 886d7d83ace3..49c09c7d5b77 100644 --- a/arch/sh/kernel/dwarf.c +++ b/arch/sh/kernel/dwarf.c @@ -49,6 +49,8 @@ static DEFINE_SPINLOCK(dwarf_fde_lock); static struct dwarf_cie *cached_cie; +static unsigned int dwarf_unwinder_ready; + /** * dwarf_frame_alloc_reg - allocate memory for a DWARF register * @frame: the DWARF frame whose list of registers we insert on @@ -582,6 +584,13 @@ struct dwarf_frame *dwarf_unwind_stack(unsigned long pc, unsigned long addr; /* + * If we've been called in to before initialization has + * completed, bail out immediately. + */ + if (!dwarf_unwinder_ready) + return NULL; + + /* * If we're starting at the top of the stack we need get the * contents of a physical register to get the CFA in order to * begin the virtual unwinding of the stack. @@ -1167,7 +1176,7 @@ void module_dwarf_cleanup(struct module *mod) */ static int __init dwarf_unwinder_init(void) { - int err; + int err = -ENOMEM; dwarf_frame_cachep = kmem_cache_create("dwarf_frames", sizeof(struct dwarf_frame), 0, @@ -1181,11 +1190,15 @@ static int __init dwarf_unwinder_init(void) mempool_alloc_slab, mempool_free_slab, dwarf_frame_cachep); + if (!dwarf_frame_pool) + goto out; dwarf_reg_pool = mempool_create(DWARF_REG_MIN_REQ, mempool_alloc_slab, mempool_free_slab, dwarf_reg_cachep); + if (!dwarf_reg_pool) + goto out; err = dwarf_parse_section(__start_eh_frame, __stop_eh_frame, NULL); if (err) @@ -1195,11 +1208,13 @@ static int __init dwarf_unwinder_init(void) if (err) goto out; + dwarf_unwinder_ready = 1; + return 0; out: printk(KERN_ERR "Failed to initialise DWARF unwinder: %d\n", err); dwarf_unwinder_cleanup(); - return -EINVAL; + return err; } early_initcall(dwarf_unwinder_init); diff --git a/arch/sh/kernel/return_address.c b/arch/sh/kernel/return_address.c index cbf1dd5372b2..5124aeb28c3f 100644 --- a/arch/sh/kernel/return_address.c +++ b/arch/sh/kernel/return_address.c @@ -24,6 +24,8 @@ void *return_address(unsigned int depth) struct dwarf_frame *tmp; tmp = dwarf_unwind_stack(ra, frame); + if (!tmp) + return NULL; if (frame) dwarf_free_frame(frame); diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h index 56f462cf22d2..aa2c39d968fc 100644 --- a/arch/x86/include/asm/acpi.h +++ b/arch/x86/include/asm/acpi.h @@ -85,7 +85,6 @@ extern int acpi_ioapic; extern int acpi_noirq; extern int acpi_strict; extern int acpi_disabled; -extern int acpi_ht; extern int acpi_pci_disabled; extern int acpi_skip_timer_override; extern int acpi_use_timer_override; @@ -97,7 +96,6 @@ void acpi_pic_sci_set_trigger(unsigned int, u16); static inline void disable_acpi(void) { acpi_disabled = 1; - acpi_ht = 0; acpi_pci_disabled = 1; acpi_noirq = 1; } diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h index dca9c545f44e..468145914389 100644 --- a/arch/x86/include/asm/cpufeature.h +++ b/arch/x86/include/asm/cpufeature.h @@ -332,6 +332,7 @@ static __always_inline __pure bool __static_cpu_has(u8 bit) #endif } +#if __GNUC__ >= 4 #define static_cpu_has(bit) \ ( \ __builtin_constant_p(boot_cpu_has(bit)) ? \ @@ -340,6 +341,12 @@ static __always_inline __pure bool __static_cpu_has(u8 bit) __static_cpu_has(bit) : \ boot_cpu_has(bit) \ ) +#else +/* + * gcc 3.x is too stupid to do the static test; fall back to dynamic. + */ +#define static_cpu_has(bit) boot_cpu_has(bit) +#endif #endif /* defined(__KERNEL__) && !defined(__ASSEMBLY__) */ diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h index 6c3fdd631ed3..f32a4301c4d4 100644 --- a/arch/x86/include/asm/mce.h +++ b/arch/x86/include/asm/mce.h @@ -225,5 +225,13 @@ extern void mcheck_intel_therm_init(void); static inline void mcheck_intel_therm_init(void) { } #endif +/* + * Used by APEI to report memory error via /dev/mcelog + */ + +struct cper_sec_mem_err; +extern void apei_mce_report_mem_error(int corrected, + struct cper_sec_mem_err *mem_err); + #endif /* __KERNEL__ */ #endif /* _ASM_X86_MCE_H */ diff --git a/arch/x86/include/asm/rdc321x_defs.h b/arch/x86/include/asm/rdc321x_defs.h deleted file mode 100644 index c8e9c8bed3d0..000000000000 --- a/arch/x86/include/asm/rdc321x_defs.h +++ /dev/null @@ -1,12 +0,0 @@ -#define PFX "rdc321x: " - -/* General purpose configuration and data registers */ -#define RDC3210_CFGREG_ADDR 0x0CF8 -#define RDC3210_CFGREG_DATA 0x0CFC - -#define RDC321X_GPIO_CTRL_REG1 0x48 -#define RDC321X_GPIO_CTRL_REG2 0x84 -#define RDC321X_GPIO_DATA_REG1 0x4c -#define RDC321X_GPIO_DATA_REG2 0x88 - -#define RDC321X_MAX_GPIO 58 diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h index 62ba9400cc43..f0b6e5dbc5a0 100644 --- a/arch/x86/include/asm/thread_info.h +++ b/arch/x86/include/asm/thread_info.h @@ -239,8 +239,8 @@ static inline struct thread_info *current_thread_info(void) #define TS_USEDFPU 0x0001 /* FPU was used by this task this quantum (SMP) */ #define TS_COMPAT 0x0002 /* 32bit syscall active (64BIT)*/ -#define TS_POLLING 0x0004 /* true if in idle loop - and not sleeping */ +#define TS_POLLING 0x0004 /* idle task polling need_resched, + skip sending interrupt */ #define TS_RESTORE_SIGMASK 0x0008 /* restore signal mask in do_signal() */ #define tsk_is_polling(t) (task_thread_info(t)->status & TS_POLLING) diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 488be461a380..60cc4058ed5f 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -63,7 +63,6 @@ EXPORT_SYMBOL(acpi_disabled); int acpi_noirq; /* skip ACPI IRQ initialization */ int acpi_pci_disabled; /* skip ACPI PCI scan and IRQ initialization */ EXPORT_SYMBOL(acpi_pci_disabled); -int acpi_ht __initdata = 1; /* enable HT */ int acpi_lapic; int acpi_ioapic; @@ -1501,9 +1500,8 @@ void __init acpi_boot_table_init(void) /* * If acpi_disabled, bail out - * One exception: acpi=ht continues far enough to enumerate LAPICs */ - if (acpi_disabled && !acpi_ht) + if (acpi_disabled) return; /* @@ -1534,9 +1532,8 @@ int __init early_acpi_boot_init(void) { /* * If acpi_disabled, bail out - * One exception: acpi=ht continues far enough to enumerate LAPICs */ - if (acpi_disabled && !acpi_ht) + if (acpi_disabled) return 1; /* @@ -1554,9 +1551,8 @@ int __init acpi_boot_init(void) /* * If acpi_disabled, bail out - * One exception: acpi=ht continues far enough to enumerate LAPICs */ - if (acpi_disabled && !acpi_ht) + if (acpi_disabled) return 1; acpi_table_parse(ACPI_SIG_BOOT, acpi_parse_sbf); @@ -1591,21 +1587,12 @@ static int __init parse_acpi(char *arg) /* acpi=force to over-ride black-list */ else if (strcmp(arg, "force") == 0) { acpi_force = 1; - acpi_ht = 1; acpi_disabled = 0; } /* acpi=strict disables out-of-spec workarounds */ else if (strcmp(arg, "strict") == 0) { acpi_strict = 1; } - /* Limit ACPI just to boot-time to enable HT */ - else if (strcmp(arg, "ht") == 0) { - if (!acpi_force) { - printk(KERN_WARNING "acpi=ht will be removed in Linux-2.6.35\n"); - disable_acpi(); - } - acpi_ht = 1; - } /* acpi=rsdt use RSDT instead of XSDT */ else if (strcmp(arg, "rsdt") == 0) { acpi_rsdt_forced = 1; diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c index f9961034e557..82e508677b91 100644 --- a/arch/x86/kernel/acpi/sleep.c +++ b/arch/x86/kernel/acpi/sleep.c @@ -162,8 +162,6 @@ static int __init acpi_sleep_setup(char *str) #endif if (strncmp(str, "old_ordering", 12) == 0) acpi_old_suspend_ordering(); - if (strncmp(str, "sci_force_enable", 16) == 0) - acpi_set_sci_en_on_resume(); str = strchr(str, ','); if (str != NULL) str += strspn(str, ", \t"); diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index e5a4a1e01618..c02cc692985c 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -51,6 +51,7 @@ #include <asm/smp.h> #include <asm/mce.h> #include <asm/kvm_para.h> +#include <asm/tsc.h> unsigned int num_processors; @@ -1151,8 +1152,13 @@ static void __cpuinit lapic_setup_esr(void) */ void __cpuinit setup_local_APIC(void) { - unsigned int value; - int i, j; + unsigned int value, queued; + int i, j, acked = 0; + unsigned long long tsc = 0, ntsc; + long long max_loops = cpu_khz; + + if (cpu_has_tsc) + rdtscll(tsc); if (disable_apic) { arch_disable_smp_support(); @@ -1204,13 +1210,32 @@ void __cpuinit setup_local_APIC(void) * the interrupt. Hence a vector might get locked. It was noticed * for timer irq (vector 0x31). Issue an extra EOI to clear ISR. */ - for (i = APIC_ISR_NR - 1; i >= 0; i--) { - value = apic_read(APIC_ISR + i*0x10); - for (j = 31; j >= 0; j--) { - if (value & (1<<j)) - ack_APIC_irq(); + do { + queued = 0; + for (i = APIC_ISR_NR - 1; i >= 0; i--) + queued |= apic_read(APIC_IRR + i*0x10); + + for (i = APIC_ISR_NR - 1; i >= 0; i--) { + value = apic_read(APIC_ISR + i*0x10); + for (j = 31; j >= 0; j--) { + if (value & (1<<j)) { + ack_APIC_irq(); + acked++; + } + } } - } + if (acked > 256) { + printk(KERN_ERR "LAPIC pending interrupts after %d EOI\n", + acked); + break; + } + if (cpu_has_tsc) { + rdtscll(ntsc); + max_loops = (cpu_khz << 10) - (ntsc - tsc); + } else + max_loops--; + } while (queued && max_loops > 0); + WARN_ON(max_loops <= 0); /* * Now that we are all set up, enable the APIC diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c index 6f3dc8fbbfdc..7ec2123838e6 100644 --- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c +++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c @@ -1497,8 +1497,8 @@ static struct cpufreq_driver cpufreq_amd64_driver = { * simply keep the boost-disable flag in sync with the current global * state. */ -static int __cpuinit cpb_notify(struct notifier_block *nb, unsigned long action, - void *hcpu) +static int cpb_notify(struct notifier_block *nb, unsigned long action, + void *hcpu) { unsigned cpu = (long)hcpu; u32 lo, hi; @@ -1528,7 +1528,7 @@ static int __cpuinit cpb_notify(struct notifier_block *nb, unsigned long action, return NOTIFY_OK; } -static struct notifier_block __cpuinitdata cpb_nb = { +static struct notifier_block cpb_nb = { .notifier_call = cpb_notify, }; diff --git a/arch/x86/kernel/cpu/mcheck/Makefile b/arch/x86/kernel/cpu/mcheck/Makefile index 4ac6d48fe11b..bb34b03af252 100644 --- a/arch/x86/kernel/cpu/mcheck/Makefile +++ b/arch/x86/kernel/cpu/mcheck/Makefile @@ -7,3 +7,5 @@ obj-$(CONFIG_X86_MCE_THRESHOLD) += threshold.o obj-$(CONFIG_X86_MCE_INJECT) += mce-inject.o obj-$(CONFIG_X86_THERMAL_VECTOR) += therm_throt.o + +obj-$(CONFIG_ACPI_APEI) += mce-apei.o diff --git a/arch/x86/kernel/cpu/mcheck/mce-apei.c b/arch/x86/kernel/cpu/mcheck/mce-apei.c new file mode 100644 index 000000000000..745b54f9be89 --- /dev/null +++ b/arch/x86/kernel/cpu/mcheck/mce-apei.c @@ -0,0 +1,138 @@ +/* + * Bridge between MCE and APEI + * + * On some machine, corrected memory errors are reported via APEI + * generic hardware error source (GHES) instead of corrected Machine + * Check. These corrected memory errors can be reported to user space + * through /dev/mcelog via faking a corrected Machine Check, so that + * the error memory page can be offlined by /sbin/mcelog if the error + * count for one page is beyond the threshold. + * + * For fatal MCE, save MCE record into persistent storage via ERST, so + * that the MCE record can be logged after reboot via ERST. + * + * Copyright 2010 Intel Corp. + * Author: Huang Ying <ying.huang@intel.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/kernel.h> +#include <linux/acpi.h> +#include <linux/cper.h> +#include <acpi/apei.h> +#include <asm/mce.h> + +#include "mce-internal.h" + +void apei_mce_report_mem_error(int corrected, struct cper_sec_mem_err *mem_err) +{ + struct mce m; + + /* Only corrected MC is reported */ + if (!corrected) + return; + + mce_setup(&m); + m.bank = 1; + /* Fake a memory read corrected error with unknown channel */ + m.status = MCI_STATUS_VAL | MCI_STATUS_EN | MCI_STATUS_ADDRV | 0x9f; + m.addr = mem_err->physical_addr; + mce_log(&m); + mce_notify_irq(); +} +EXPORT_SYMBOL_GPL(apei_mce_report_mem_error); + +#define CPER_CREATOR_MCE \ + UUID_LE(0x75a574e3, 0x5052, 0x4b29, 0x8a, 0x8e, 0xbe, 0x2c, \ + 0x64, 0x90, 0xb8, 0x9d) +#define CPER_SECTION_TYPE_MCE \ + UUID_LE(0xfe08ffbe, 0x95e4, 0x4be7, 0xbc, 0x73, 0x40, 0x96, \ + 0x04, 0x4a, 0x38, 0xfc) + +/* + * CPER specification (in UEFI specification 2.3 appendix N) requires + * byte-packed. + */ +struct cper_mce_record { + struct cper_record_header hdr; + struct cper_section_descriptor sec_hdr; + struct mce mce; +} __packed; + +int apei_write_mce(struct mce *m) +{ + struct cper_mce_record rcd; + + memset(&rcd, 0, sizeof(rcd)); + memcpy(rcd.hdr.signature, CPER_SIG_RECORD, CPER_SIG_SIZE); + rcd.hdr.revision = CPER_RECORD_REV; + rcd.hdr.signature_end = CPER_SIG_END; + rcd.hdr.section_count = 1; + rcd.hdr.error_severity = CPER_SER_FATAL; + /* timestamp, platform_id, partition_id are all invalid */ + rcd.hdr.validation_bits = 0; + rcd.hdr.record_length = sizeof(rcd); + rcd.hdr.creator_id = CPER_CREATOR_MCE; + rcd.hdr.notification_type = CPER_NOTIFY_MCE; + rcd.hdr.record_id = cper_next_record_id(); + rcd.hdr.flags = CPER_HW_ERROR_FLAGS_PREVERR; + + rcd.sec_hdr.section_offset = (void *)&rcd.mce - (void *)&rcd; + rcd.sec_hdr.section_length = sizeof(rcd.mce); + rcd.sec_hdr.revision = CPER_SEC_REV; + /* fru_id and fru_text is invalid */ + rcd.sec_hdr.validation_bits = 0; + rcd.sec_hdr.flags = CPER_SEC_PRIMARY; + rcd.sec_hdr.section_type = CPER_SECTION_TYPE_MCE; + rcd.sec_hdr.section_severity = CPER_SER_FATAL; + + memcpy(&rcd.mce, m, sizeof(*m)); + + return erst_write(&rcd.hdr); +} + +ssize_t apei_read_mce(struct mce *m, u64 *record_id) +{ + struct cper_mce_record rcd; + ssize_t len; + + len = erst_read_next(&rcd.hdr, sizeof(rcd)); + if (len <= 0) + return len; + /* Can not skip other records in storage via ERST unless clear them */ + else if (len != sizeof(rcd) || + uuid_le_cmp(rcd.hdr.creator_id, CPER_CREATOR_MCE)) { + if (printk_ratelimit()) + pr_warning( + "MCE-APEI: Can not skip the unknown record in ERST"); + return -EIO; + } + + memcpy(m, &rcd.mce, sizeof(*m)); + *record_id = rcd.hdr.record_id; + + return sizeof(*m); +} + +/* Check whether there is record in ERST */ +int apei_check_mce(void) +{ + return erst_get_record_count(); +} + +int apei_clear_mce(u64 record_id) +{ + return erst_clear(record_id); +} diff --git a/arch/x86/kernel/cpu/mcheck/mce-internal.h b/arch/x86/kernel/cpu/mcheck/mce-internal.h index 32996f9fab67..fefcc69ee8b5 100644 --- a/arch/x86/kernel/cpu/mcheck/mce-internal.h +++ b/arch/x86/kernel/cpu/mcheck/mce-internal.h @@ -28,3 +28,26 @@ extern int mce_ser; extern struct mce_bank *mce_banks; +#ifdef CONFIG_ACPI_APEI +int apei_write_mce(struct mce *m); +ssize_t apei_read_mce(struct mce *m, u64 *record_id); +int apei_check_mce(void); +int apei_clear_mce(u64 record_id); +#else +static inline int apei_write_mce(struct mce *m) +{ + return -EINVAL; +} +static inline ssize_t apei_read_mce(struct mce *m, u64 *record_id) +{ + return 0; +} +static inline int apei_check_mce(void) +{ + return 0; +} +static inline int apei_clear_mce(u64 record_id) +{ + return -EINVAL; +} +#endif diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index 7a355ddcc64b..707165dbc203 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -264,7 +264,7 @@ static void wait_for_panic(void) static void mce_panic(char *msg, struct mce *final, char *exp) { - int i; + int i, apei_err = 0; if (!fake_panic) { /* @@ -287,8 +287,11 @@ static void mce_panic(char *msg, struct mce *final, char *exp) struct mce *m = &mcelog.entry[i]; if (!(m->status & MCI_STATUS_VAL)) continue; - if (!(m->status & MCI_STATUS_UC)) + if (!(m->status & MCI_STATUS_UC)) { print_mce(m); + if (!apei_err) + apei_err = apei_write_mce(m); + } } /* Now print uncorrected but with the final one last */ for (i = 0; i < MCE_LOG_LEN; i++) { @@ -297,11 +300,17 @@ static void mce_panic(char *msg, struct mce *final, char *exp) continue; if (!(m->status & MCI_STATUS_UC)) continue; - if (!final || memcmp(m, final, sizeof(struct mce))) + if (!final || memcmp(m, final, sizeof(struct mce))) { print_mce(m); + if (!apei_err) + apei_err = apei_write_mce(m); + } } - if (final) + if (final) { print_mce(final); + if (!apei_err) + apei_err = apei_write_mce(final); + } if (cpu_missing) printk(KERN_EMERG "Some CPUs didn't answer in synchronization\n"); print_mce_tail(); @@ -1493,6 +1502,43 @@ static void collect_tscs(void *data) rdtscll(cpu_tsc[smp_processor_id()]); } +static int mce_apei_read_done; + +/* Collect MCE record of previous boot in persistent storage via APEI ERST. */ +static int __mce_read_apei(char __user **ubuf, size_t usize) +{ + int rc; + u64 record_id; + struct mce m; + + if (usize < sizeof(struct mce)) + return -EINVAL; + + rc = apei_read_mce(&m, &record_id); + /* Error or no more MCE record */ + if (rc <= 0) { + mce_apei_read_done = 1; + return rc; + } + rc = -EFAULT; + if (copy_to_user(*ubuf, &m, sizeof(struct mce))) + return rc; + /* + * In fact, we should have cleared the record after that has + * been flushed to the disk or sent to network in + * /sbin/mcelog, but we have no interface to support that now, + * so just clear it to avoid duplication. + */ + rc = apei_clear_mce(record_id); + if (rc) { + mce_apei_read_done = 1; + return rc; + } + *ubuf += sizeof(struct mce); + + return 0; +} + static ssize_t mce_read(struct file *filp, char __user *ubuf, size_t usize, loff_t *off) { @@ -1506,15 +1552,19 @@ static ssize_t mce_read(struct file *filp, char __user *ubuf, size_t usize, return -ENOMEM; mutex_lock(&mce_read_mutex); + + if (!mce_apei_read_done) { + err = __mce_read_apei(&buf, usize); + if (err || buf != ubuf) + goto out; + } + next = rcu_dereference_check_mce(mcelog.next); /* Only supports full reads right now */ - if (*off != 0 || usize < MCE_LOG_LEN*sizeof(struct mce)) { - mutex_unlock(&mce_read_mutex); - kfree(cpu_tsc); - - return -EINVAL; - } + err = -EINVAL; + if (*off != 0 || usize < MCE_LOG_LEN*sizeof(struct mce)) + goto out; err = 0; prev = 0; @@ -1562,10 +1612,15 @@ timeout: memset(&mcelog.entry[i], 0, sizeof(struct mce)); } } + + if (err) + err = -EFAULT; + +out: mutex_unlock(&mce_read_mutex); kfree(cpu_tsc); - return err ? -EFAULT : buf - ubuf; + return err ? err : buf - ubuf; } static unsigned int mce_poll(struct file *file, poll_table *wait) @@ -1573,6 +1628,8 @@ static unsigned int mce_poll(struct file *file, poll_table *wait) poll_wait(file, &mce_wait, wait); if (rcu_dereference_check_mce(mcelog.next)) return POLLIN | POLLRDNORM; + if (!mce_apei_read_done && apei_check_mce()) + return POLLIN | POLLRDNORM; return 0; } diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index e8029896309a..b4ae4acbd031 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -676,6 +676,17 @@ static struct dmi_system_id __initdata bad_bios_dmi_table[] = { DMI_MATCH(DMI_BOARD_NAME, "DG45FC"), }, }, + /* + * The Dell Inspiron Mini 1012 has DMI_BIOS_VENDOR = "Dell Inc.", so + * match on the product name. + */ + { + .callback = dmi_low_memory_corruption, + .ident = "Phoenix BIOS", + .matches = { + DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1012"), + }, + }, #endif {} }; diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 763d815e27a0..37462f1ddba5 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -1215,9 +1215,17 @@ __init void prefill_possible_map(void) if (!num_processors) num_processors = 1; - if (setup_possible_cpus == -1) - possible = num_processors + disabled_cpus; - else + i = setup_max_cpus ?: 1; + if (setup_possible_cpus == -1) { + possible = num_processors; +#ifdef CONFIG_HOTPLUG_CPU + if (setup_max_cpus) + possible += disabled_cpus; +#else + if (possible > i) + possible = i; +#endif + } else possible = setup_possible_cpus; total_cpus = max_t(int, possible, num_processors + disabled_cpus); @@ -1230,11 +1238,23 @@ __init void prefill_possible_map(void) possible = nr_cpu_ids; } +#ifdef CONFIG_HOTPLUG_CPU + if (!setup_max_cpus) +#endif + if (possible > i) { + printk(KERN_WARNING + "%d Processors exceeds max_cpus limit of %u\n", + possible, setup_max_cpus); + possible = i; + } + printk(KERN_INFO "SMP: Allowing %d CPUs, %d hotplug CPUs\n", possible, max_t(int, possible - num_processors, 0)); for (i = 0; i < possible; i++) set_cpu_possible(i, true); + for (; i < NR_CPUS; i++) + set_cpu_possible(i, false); nr_cpu_ids = possible; } diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c index 2bdf628066bd..9257510b4836 100644 --- a/arch/x86/lguest/boot.c +++ b/arch/x86/lguest/boot.c @@ -1390,7 +1390,6 @@ __init void lguest_init(void) #endif #ifdef CONFIG_ACPI acpi_disabled = 1; - acpi_ht = 0; #endif /* diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c index 10c27bb1e95f..550df481accd 100644 --- a/arch/x86/mm/numa.c +++ b/arch/x86/mm/numa.c @@ -2,7 +2,6 @@ #include <linux/topology.h> #include <linux/module.h> #include <linux/bootmem.h> -#include <linux/random.h> #ifdef CONFIG_DEBUG_PER_CPU_MAPS # define DBG(x...) printk(KERN_DEBUG x) @@ -66,19 +65,3 @@ const struct cpumask *cpumask_of_node(int node) } EXPORT_SYMBOL(cpumask_of_node); #endif - -/* - * Return the bit number of a random bit set in the nodemask. - * (returns -1 if nodemask is empty) - */ -int __node_random(const nodemask_t *maskp) -{ - int w, bit = -1; - - w = nodes_weight(*maskp); - if (w) - bit = bitmap_ord_to_pos(maskp->bits, - get_random_int() % w, MAX_NUMNODES); - return bit; -} -EXPORT_SYMBOL(__node_random); diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c index bbe5502ee1cb..acc15b23b743 100644 --- a/arch/x86/mm/pat.c +++ b/arch/x86/mm/pat.c @@ -336,6 +336,7 @@ int free_memtype(u64 start, u64 end) { int err = -EINVAL; int is_range_ram; + struct memtype *entry; if (!pat_enabled) return 0; @@ -355,17 +356,20 @@ int free_memtype(u64 start, u64 end) } spin_lock(&memtype_lock); - err = rbt_memtype_erase(start, end); + entry = rbt_memtype_erase(start, end); spin_unlock(&memtype_lock); - if (err) { + if (!entry) { printk(KERN_INFO "%s:%d freeing invalid memtype %Lx-%Lx\n", current->comm, current->pid, start, end); + return -EINVAL; } + kfree(entry); + dprintk("free_memtype request 0x%Lx-0x%Lx\n", start, end); - return err; + return 0; } diff --git a/arch/x86/mm/pat_internal.h b/arch/x86/mm/pat_internal.h index 4f39eefa3e61..77e5ba153fac 100644 --- a/arch/x86/mm/pat_internal.h +++ b/arch/x86/mm/pat_internal.h @@ -28,15 +28,15 @@ static inline char *cattr_name(unsigned long flags) #ifdef CONFIG_X86_PAT extern int rbt_memtype_check_insert(struct memtype *new, unsigned long *new_type); -extern int rbt_memtype_erase(u64 start, u64 end); +extern struct memtype *rbt_memtype_erase(u64 start, u64 end); extern struct memtype *rbt_memtype_lookup(u64 addr); extern int rbt_memtype_copy_nth_element(struct memtype *out, loff_t pos); #else static inline int rbt_memtype_check_insert(struct memtype *new, unsigned long *new_type) { return 0; } -static inline int rbt_memtype_erase(u64 start, u64 end) -{ return 0; } +static inline struct memtype *rbt_memtype_erase(u64 start, u64 end) +{ return NULL; } static inline struct memtype *rbt_memtype_lookup(u64 addr) { return NULL; } static inline int rbt_memtype_copy_nth_element(struct memtype *out, loff_t pos) diff --git a/arch/x86/mm/pat_rbtree.c b/arch/x86/mm/pat_rbtree.c index 07de4cb8cc30..f537087bb740 100644 --- a/arch/x86/mm/pat_rbtree.c +++ b/arch/x86/mm/pat_rbtree.c @@ -231,16 +231,17 @@ int rbt_memtype_check_insert(struct memtype *new, unsigned long *ret_type) return err; } -int rbt_memtype_erase(u64 start, u64 end) +struct memtype *rbt_memtype_erase(u64 start, u64 end) { struct memtype *data; data = memtype_rb_exact_match(&memtype_rbroot, start, end); if (!data) - return -EINVAL; + goto out; rb_erase(&data->rb, &memtype_rbroot); - return 0; +out: + return data; } struct memtype *rbt_memtype_lookup(u64 addr) diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c index 792854003ed3..cac718499256 100644 --- a/arch/x86/mm/pgtable_32.c +++ b/arch/x86/mm/pgtable_32.c @@ -9,7 +9,6 @@ #include <linux/pagemap.h> #include <linux/spinlock.h> #include <linux/module.h> -#include <linux/quicklist.h> #include <asm/system.h> #include <asm/pgtable.h> diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c index 31930fd30ea9..2ec04c424a62 100644 --- a/arch/x86/pci/acpi.c +++ b/arch/x86/pci/acpi.c @@ -207,10 +207,9 @@ get_current_resources(struct acpi_device *device, int busnum, if (!info.res) goto res_alloc_fail; - info.name = kmalloc(16, GFP_KERNEL); + info.name = kasprintf(GFP_KERNEL, "PCI Bus %04x:%02x", domain, busnum); if (!info.name) goto name_alloc_fail; - sprintf(info.name, "PCI Bus %04x:%02x", domain, busnum); info.res_num = 0; acpi_walk_resources(device->handle, METHOD_NAME__CRS, setup_resource, @@ -224,8 +223,11 @@ res_alloc_fail: return; } -struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int domain, int busnum) +struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_pci_root *root) { + struct acpi_device *device = root->device; + int domain = root->segment; + int busnum = root->secondary.start; struct pci_bus *bus; struct pci_sysdata *sd; int node; diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index ebe228d02b08..52e5dbbb1941 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -84,10 +84,10 @@ config XTENSA_VARIANT_S6000 endchoice config XTENSA_UNALIGNED_USER - bool "Unaligned memory access in use space" + bool "Unaligned memory access in user space" help - The Xtensa architecture currently does not handle unaligned - memory accesses in hardware but through an exception handler. + Xtensa processors are often not configured to handle unaligned + memory accesses in hardware, but rather through an exception handler. Per default, unaligned memory accesses are disabled in user space. Say Y here to enable unaligned memory access in user space. @@ -157,8 +157,15 @@ config XTENSA_PLATFORM_ISS config XTENSA_PLATFORM_XT2000 bool "XT2000" help - XT2000 is the name of Tensilica's feature-rich emulation platform. - This hardware is capable of running a full Linux distribution. + XT2000 is the name of Tensilica's older emulation platform. + +config XTENSA_PLATFORM_XTAVNET + bool "XTAVNET" + select XTENSA_CALIBRATE_CCOUNT + select ETHOC + help + Selects support for the Tensilica-configured Avnet emulation boards. + These include the LX60 (XT-AV60), LX200 (XT-AV200), and LX110 (XT-AV110). config XTENSA_PLATFORM_S6105 bool "S6105" diff --git a/arch/xtensa/Makefile b/arch/xtensa/Makefile index 4caffac3ca2e..34d8427622eb 100644 --- a/arch/xtensa/Makefile +++ b/arch/xtensa/Makefile @@ -24,6 +24,7 @@ export VARIANT # Platform configuration platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000 +platform-$(CONFIG_XTENSA_PLATFORM_XTAVNET) := xtavnet platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss platform-$(CONFIG_XTENSA_PLATFORM_S6105) := s6105 @@ -35,6 +36,8 @@ KBUILD_CFLAGS += -ffreestanding KBUILD_CFLAGS += -pipe -mlongcalls +KBUILD_CFLAGS += $(call cc-option,-mforce-no-pic,) + vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y)) plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y)) @@ -59,7 +62,9 @@ ifneq ($(VARIANT),) ifneq ($(COMPILE_ARCH), xtensa) ifndef CROSS_COMPILE - CROSS_COMPILE = xtensa_$(VARIANT)- + CROSS_COMPILE := $(call cc-cross-prefix, xtensa_$(VARIANT)- \ + xtensa-linux-uclibc- xtensa_$(VARIANT)-linux-uclibc- \ + xtensa-linux-gnu- xtensa_$(VARIANT)-linux-gnu-) endif endif endif diff --git a/arch/xtensa/boot/Makefile b/arch/xtensa/boot/Makefile index 40aa55b485be..8657c62fc78b 100644 --- a/arch/xtensa/boot/Makefile +++ b/arch/xtensa/boot/Makefile @@ -23,6 +23,7 @@ subdir-y := lib bootdir-$(CONFIG_XTENSA_PLATFORM_ISS) += boot-elf bootdir-$(CONFIG_XTENSA_PLATFORM_XT2000) += boot-redboot boot-elf +bootdir-$(CONFIG_XTENSA_PLATFORM_XTAVNET) += boot-redboot boot-elf zImage zImage.initrd Image Image.initrd: $(bootdir-y) diff --git a/arch/xtensa/configs/iss_defconfig b/arch/xtensa/configs/iss_defconfig index f19854035e61..61bac9d62255 100644 --- a/arch/xtensa/configs/iss_defconfig +++ b/arch/xtensa/configs/iss_defconfig @@ -77,6 +77,7 @@ CONFIG_XTENSA_ISS_NETWORK=y # # Bus options # +CONFIG_PCI=n # # PCCARD (PCMCIA/CardBus) support diff --git a/arch/xtensa/include/asm/cacheflush.h b/arch/xtensa/include/asm/cacheflush.h index a508f2f73bd7..376cd9d5f455 100644 --- a/arch/xtensa/include/asm/cacheflush.h +++ b/arch/xtensa/include/asm/cacheflush.h @@ -115,6 +115,7 @@ extern void flush_cache_page(struct vm_area_struct*, unsigned long, unsigned lon #define flush_cache_vmap(start,end) do { } while (0) #define flush_cache_vunmap(start,end) do { } while (0) +#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 #define flush_dcache_page(page) do { } while (0) #define flush_cache_page(vma,addr,pfn) do { } while (0) diff --git a/arch/xtensa/include/asm/coprocessor.h b/arch/xtensa/include/asm/coprocessor.h index 65a285d8d3fb..04bc285df1a7 100644 --- a/arch/xtensa/include/asm/coprocessor.h +++ b/arch/xtensa/include/asm/coprocessor.h @@ -1,11 +1,11 @@ /* - * include/asm-xtensa/coprocessor.h + * arch/xtensa/include/asm/coprocessor.h * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 2003 - 2007 Tensilica Inc. + * Copyright (C) 2003-2010 Tensilica Inc. */ @@ -14,9 +14,10 @@ #include <linux/stringify.h> #include <variant/tie.h> +#include <variant/core.h> #include <asm/types.h> -#ifdef __ASSEMBLY__ +#if defined(__ASSEMBLY__) && !defined(LINKER_SCRIPT) # include <variant/tie-asm.h> .macro xchal_sa_start a b @@ -69,7 +70,7 @@ -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLY__ && !LINKER_SCRIPT */ /* * XTENSA_HAVE_COPROCESSOR(x) returns 1 if coprocessor x is configured. diff --git a/arch/xtensa/include/asm/elf.h b/arch/xtensa/include/asm/elf.h index 5eb6d695e987..6e65eadaae14 100644 --- a/arch/xtensa/include/asm/elf.h +++ b/arch/xtensa/include/asm/elf.h @@ -14,6 +14,7 @@ #define _XTENSA_ELF_H #include <asm/ptrace.h> +#include <asm/coprocessor.h> /* Xtensa processor ELF architecture-magic number */ diff --git a/arch/xtensa/include/asm/io.h b/arch/xtensa/include/asm/io.h index d04cd3a625fa..145db5cc6191 100644 --- a/arch/xtensa/include/asm/io.h +++ b/arch/xtensa/include/asm/io.h @@ -1,11 +1,11 @@ /* - * include/asm-xtensa/io.h + * arch/xtensa/include/asm/io.h * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 2001 - 2005 Tensilica Inc. + * Copyright (C) 2001-2010 Tensilica Inc. */ #ifndef _XTENSA_IO_H @@ -63,40 +63,33 @@ static inline void * phys_to_virt(unsigned long address) #define bus_to_virt(x) phys_to_virt(x) /* - * Return the virtual (cached) address for the specified bus memory. + * Return the virtual (uncached) address for the specified bus memory + * (which is, for now, simply a physical address). * Note that we currently don't support any address outside the KIO segment. + * See also arch/mips/include/asm/io.h for nice comments. */ -static inline void *ioremap(unsigned long offset, unsigned long size) +static inline void __iomem *__ioremap(unsigned long offset, unsigned long size) { #ifdef CONFIG_MMU if (offset >= XCHAL_KIO_PADDR - && offset < XCHAL_KIO_PADDR + XCHAL_KIO_SIZE) - return (void*)(offset-XCHAL_KIO_PADDR+XCHAL_KIO_BYPASS_VADDR); + && offset <= XCHAL_KIO_PADDR + XCHAL_KIO_SIZE - 1) + return (void __iomem *)(offset - XCHAL_KIO_PADDR + XCHAL_KIO_BYPASS_VADDR); else BUG(); #else - return (void *)offset; + return (void __iomem *)offset; #endif } -static inline void *ioremap_nocache(unsigned long offset, unsigned long size) -{ -#ifdef CONFIG_MMU - if (offset >= XCHAL_KIO_PADDR - && offset < XCHAL_KIO_PADDR + XCHAL_KIO_SIZE) - return (void*)(offset-XCHAL_KIO_PADDR+XCHAL_KIO_CACHED_VADDR); - else - BUG(); -#else - return (void *)offset; -#endif -} +#define ioremap(offset, size) __ioremap(offset, size) +#define ioremap_nocache(offset, size) __ioremap(offset, size) -static inline void iounmap(void *addr) +static inline void iounmap(void __iomem *addr) { } + /* * Generic I/O */ @@ -191,6 +184,13 @@ extern void outsl (unsigned long port, const void *src, unsigned long count); #endif +#ifndef CONFIG_GENERIC_IOMAP +/* Partial Simple MMIO */ +#define ioread32(a) __raw_readl(a) +#define iowrite32(v,a) __raw_writel((v),(a)) +#endif + + /* * Convert a physical pointer to a virtual kernel pointer for /dev/mem access */ diff --git a/arch/xtensa/include/asm/irq.h b/arch/xtensa/include/asm/irq.h index 4c0ccc9c4f4c..6af436f4429d 100644 --- a/arch/xtensa/include/asm/irq.h +++ b/arch/xtensa/include/asm/irq.h @@ -1,11 +1,11 @@ /* - * include/asm-xtensa/irq.h + * arch/xtensa/include/asm/irq.h * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 2001 - 2005 Tensilica Inc. + * Copyright (C) 2001-2010 Tensilica Inc. */ #ifndef _XTENSA_IRQ_H @@ -22,6 +22,9 @@ static inline void variant_irq_enable(unsigned int irq) { } static inline void variant_irq_disable(unsigned int irq) { } #endif +/* This number is used when no interrupt has been assigned. */ +#define NO_IRQ (-1) + #ifndef VARIANT_NR_IRQS # define VARIANT_NR_IRQS 0 #endif diff --git a/arch/xtensa/include/asm/pgalloc.h b/arch/xtensa/include/asm/pgalloc.h index 4f4a7987eded..40cf9bceda2c 100644 --- a/arch/xtensa/include/asm/pgalloc.h +++ b/arch/xtensa/include/asm/pgalloc.h @@ -14,6 +14,7 @@ #ifdef __KERNEL__ #include <linux/highmem.h> +#include <linux/slab.h> /* * Allocating and freeing a pmd is trivial: the 1-entry pmd is diff --git a/arch/xtensa/include/asm/processor.h b/arch/xtensa/include/asm/processor.h index 0ea4937c0b61..3acb26e8dead 100644 --- a/arch/xtensa/include/asm/processor.h +++ b/arch/xtensa/include/asm/processor.h @@ -12,7 +12,6 @@ #define _XTENSA_PROCESSOR_H #include <variant/core.h> -#include <asm/coprocessor.h> #include <platform/hardware.h> #include <linux/compiler.h> diff --git a/arch/xtensa/include/asm/ptrace.h b/arch/xtensa/include/asm/ptrace.h index 3c549f798727..0d42c934b66f 100644 --- a/arch/xtensa/include/asm/ptrace.h +++ b/arch/xtensa/include/asm/ptrace.h @@ -77,6 +77,8 @@ #ifndef __ASSEMBLY__ +#include <asm/coprocessor.h> + /* * This struct defines the way the registers are stored on the * kernel stack during a system call or other kernel entry. diff --git a/arch/xtensa/include/asm/serial.h b/arch/xtensa/include/asm/serial.h index a8a2493260f6..c55a0e2b47ca 100644 --- a/arch/xtensa/include/asm/serial.h +++ b/arch/xtensa/include/asm/serial.h @@ -1,5 +1,5 @@ /* - * include/asm-xtensa/serial.h + * arch/xtensa/include/asm/serial.h * * Configuration details for 8250, 16450, 16550, etc. serial ports * @@ -7,12 +7,20 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 2001 - 2005 Tensilica Inc. + * Copyright (C) 2001-2010 Tensilica Inc. */ #ifndef _XTENSA_SERIAL_H #define _XTENSA_SERIAL_H +#include <asm/irq.h> #include <platform/serial.h> +/* The 8250 driver treats IRQ 0 as absent. For the Xtensa architecture, + interrupt 0 is valid, must compare against NO_IRQ instead. */ +#ifdef is_real_interrupt +#undef is_real_interrupt +#define is_real_interrupt(irq) ((irq) != NO_IRQ) +#endif + #endif /* _XTENSA_SERIAL_H */ diff --git a/arch/xtensa/kernel/Makefile b/arch/xtensa/kernel/Makefile index 6f56d95f2c1e..e426a4ec7f22 100644 --- a/arch/xtensa/kernel/Makefile +++ b/arch/xtensa/kernel/Makefile @@ -23,12 +23,12 @@ obj-$(CONFIG_MODULES) += xtensa_ksyms.o module.o # # Replicate rules in scripts/Makefile.build -sed-y = -e 's/(\(\.[a-z]*it\|\.ref\|\)\.text)/(\1.literal \1.text)/g' \ - -e 's/(\(\.text\.[a-z]*\))/(\1.literal \1)/g' +sed-y = -e 's/\*(\(\.[a-z]*it\|\.ref\|\)\.text)/*(\1.literal \1.text)/g' \ + -e 's/\*(\(\.text\.[a-z]*\))/*(\1.literal \1)/g' quiet_cmd__cpp_lds_S = LDS $@ - cmd__cpp_lds_S = $(CPP) $(cpp_flags) -P -C -Uxtensa -D__ASSEMBLY__ $< \ - | sed $(sed-y) >$@ + cmd__cpp_lds_S = $(CPP) $(cpp_flags) -P -C -Uxtensa -D__ASSEMBLY__ \ + -DLINKER_SCRIPT $< | sed $(sed-y) >$@ $(obj)/vmlinux.lds: $(src)/vmlinux.lds.S FORCE $(call if_changed_dep,_cpp_lds_S) diff --git a/arch/xtensa/kernel/asm-offsets.c b/arch/xtensa/kernel/asm-offsets.c index 070ff8af3a21..7dc3f9157185 100644 --- a/arch/xtensa/kernel/asm-offsets.c +++ b/arch/xtensa/kernel/asm-offsets.c @@ -13,6 +13,7 @@ */ #include <asm/processor.h> +#include <asm/coprocessor.h> #include <linux/types.h> #include <linux/stddef.h> diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S index 77fc9f6dc016..5fd01f6aaf37 100644 --- a/arch/xtensa/kernel/entry.S +++ b/arch/xtensa/kernel/entry.S @@ -16,6 +16,7 @@ #include <linux/linkage.h> #include <asm/asm-offsets.h> #include <asm/processor.h> +#include <asm/coprocessor.h> #include <asm/thread_info.h> #include <asm/uaccess.h> #include <asm/unistd.h> diff --git a/arch/xtensa/kernel/head.S b/arch/xtensa/kernel/head.S index d215adcfd4ea..3ef91a73652d 100644 --- a/arch/xtensa/kernel/head.S +++ b/arch/xtensa/kernel/head.S @@ -184,8 +184,8 @@ _startup: * Now clear the BSS segment. */ - movi a2, _bss_start # start of BSS - movi a3, _bss_end # end of BSS + movi a2, __bss_start # start of BSS + movi a3, __bss_stop # end of BSS __loopt a2, a3, a4, 2 s32i a0, a2, 0 diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c index 19df764f6399..88ba96e2df25 100644 --- a/arch/xtensa/kernel/time.c +++ b/arch/xtensa/kernel/time.c @@ -31,7 +31,7 @@ unsigned long ccount_per_jiffy; /* per 1/HZ */ unsigned long nsec_per_ccount; /* nsec per ccount increment */ #endif -static cycle_t ccount_read(void) +static cycle_t ccount_read(struct clocksource *cs) { return (cycle_t)get_ccount(); } diff --git a/arch/xtensa/platforms/iss/network.c b/arch/xtensa/platforms/iss/network.c index 87e218f98ef4..f717e20d961b 100644 --- a/arch/xtensa/platforms/iss/network.c +++ b/arch/xtensa/platforms/iss/network.c @@ -623,6 +623,19 @@ static struct platform_driver iss_net_driver = { static int driver_registered; +static const struct net_device_ops iss_netdev_ops = { + .ndo_open = iss_net_open, + .ndo_stop = iss_net_close, + .ndo_get_stats = iss_net_get_stats, + .ndo_start_xmit = iss_net_start_xmit, + .ndo_validate_addr = eth_validate_addr, + .ndo_change_mtu = iss_net_change_mtu, + .ndo_set_mac_address = iss_net_set_mac, + //.ndo_do_ioctl = iss_net_ioctl, + .ndo_tx_timeout = iss_net_tx_timeout, + .ndo_set_multicast_list = iss_net_set_multicast_list, +}; + static int iss_net_configure(int index, char *init) { struct net_device *dev; @@ -686,15 +699,8 @@ static int iss_net_configure(int index, char *init) */ snprintf(dev->name, sizeof dev->name, "eth%d", index); + dev->netdev_ops = &iss_netdev_ops; dev->mtu = lp->mtu; - dev->open = iss_net_open; - dev->hard_start_xmit = iss_net_start_xmit; - dev->stop = iss_net_close; - dev->get_stats = iss_net_get_stats; - dev->set_multicast_list = iss_net_set_multicast_list; - dev->tx_timeout = iss_net_tx_timeout; - dev->set_mac_address = iss_net_set_mac; - dev->change_mtu = iss_net_change_mtu; dev->watchdog_timeo = (HZ >> 1); dev->irq = -1; diff --git a/arch/xtensa/platforms/xtavnet/Makefile b/arch/xtensa/platforms/xtavnet/Makefile new file mode 100644 index 000000000000..06b120b40015 --- /dev/null +++ b/arch/xtensa/platforms/xtavnet/Makefile @@ -0,0 +1,10 @@ +# Makefile for the Tensilica Avnet-based Emulation Boards +# +# Note! Dependencies are done automagically by 'make dep', which also +# removes any old dependencies. DON'T put your own dependencies here +# unless it's something special (ie not a .c file). +# +# Note 2! The CFLAGS definitions are in the main makefile... + +obj-y = setup.o lcd.o + diff --git a/arch/xtensa/platforms/xtavnet/include/platform/hardware.h b/arch/xtensa/platforms/xtavnet/include/platform/hardware.h new file mode 100644 index 000000000000..5301be745113 --- /dev/null +++ b/arch/xtensa/platforms/xtavnet/include/platform/hardware.h @@ -0,0 +1,85 @@ +/* + * arch/xtensa/platforms/xtavnet/include/platform/hardware.h + * + * This file contains the hardware configuration of Tensilica Avnet boards + * (XT-AV60, XT-AV110, XT-AV200, derived from Avnet LX60, LX110, LX200 + * boards respectively). + * + * Copyright (C) 2006-2010 Tensilica Inc. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#ifndef __XTAVNET_HARDWARE_H +#define __XTAVNET_HARDWARE_H + +#include <variant/core.h> + +/* Memory configuration. */ + +#define PLATFORM_DEFAULT_MEM_START 0x00000000 +#define PLATFORM_DEFAULT_MEM_SIZE 0x04000000 + +/* Interrupt configuration. */ + +#define PLATFORM_NR_IRQS 2 + +/* + * Default assignment of XTAVnet devices to external interrupts. + * + * CONFIG_ARCH_HAS_SMP means the hardware supports SMP, ie. is Xtensa MX. + * + * Systems with SMP support (MX) have an External Interrupt Distributor + * between external interrupts and the core's interrupts. The first three + * core interrupts are used for IPI (interprocessor interrupts), so + * external (board device) interrupts end up shifted up by 3. + */ + +/* UART interrupt: */ +#ifdef CONFIG_ARCH_HAS_SMP +#define UART_INTNUM XCHAL_EXTINT3_NUM +#else +#define UART_INTNUM XCHAL_EXTINT0_NUM +#endif + +/* Ethernet interrupt: */ +#ifdef CONFIG_ARCH_HAS_SMP +#define OETH_IRQ XCHAL_EXTINT4_NUM +#else +#define OETH_IRQ XCHAL_EXTINT1_NUM +#endif + +/* + * Device addresses and parameters. + */ + +/* UART */ +#define UART_PADDR 0xFD050020 + +/* LCD instruction and data virt. addresses. */ +#define LCD_INSTR_ADDR (char*)(0xFD040000) +#define LCD_DATA_ADDR (char*)(0xFD040004) + +/* Misc. */ +#define XTAVNET_FPGAREGS_VADDR 0xFD020000 +/* Clock frequency in Hz (read-only): */ +#define XTAVNET_CLKFRQ_VADDR (XTAVNET_FPGAREGS_VADDR + 0x04) +/* Setting of 8 DIP switches: */ +#define DIP_SWITCHES_VADDR (XTAVNET_FPGAREGS_VADDR + 0x0C) +/* Software reset (write 0xdead): */ +#define XTAVNET_SWRST_VADDR (XTAVNET_FPGAREGS_VADDR + 0x10) + +/* OpenCores Ethernet controller: */ +#define OETH_REGS_PADDR IOADDR(0xD030000) /* regs + RX/TX descriptors */ +#define OETH_REGS_VADDR 0xFD030000 +#define OETH_REGS_SIZE 0x1000 +#define OETH_SRAMBUFF_PADDR 0xFD800000 +#define OETH_SRAMBUFF_SIZE (5*0x600 + 5*0x600) /* 5*rx buffs + 5*tx buffs */ +/*#define OETH_SRAMBUFF_SIZE 0x3C00*/ /* probably 0x4000 ? */ +/* The MAC address for these boards is 00:50:c2:13:6f:xx. + The last byte (here as zero) is read from the DIP switches on the board. */ +#define OETH_MACADDR 0x00, 0x50, 0xc2, 0x13, 0x6f, 0 + +#endif /* __XTAVNET_HARDWARE_H */ diff --git a/arch/xtensa/platforms/xtavnet/include/platform/lcd.h b/arch/xtensa/platforms/xtavnet/include/platform/lcd.h new file mode 100644 index 000000000000..67de96acb2f9 --- /dev/null +++ b/arch/xtensa/platforms/xtavnet/include/platform/lcd.h @@ -0,0 +1,22 @@ +/* + * arch/xtensa/platforms/xtavnet/include/platform/lcd.h + * + * Copyright (C) 2001-2006 Tensilica Inc. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#ifndef __XTAVNET_LCD_H +#define __XTAVNET_LCD_H + +/* Display string STR at position POS on the LCD. */ +void lcd_disp_at_pos(char *str, unsigned char pos); + +/* Shift the contents of the LCD display left or right. */ +void lcd_shiftleft(void); +void lcd_shiftright(void); + +#endif + diff --git a/arch/xtensa/platforms/xtavnet/include/platform/serial.h b/arch/xtensa/platforms/xtavnet/include/platform/serial.h new file mode 100644 index 000000000000..a0cb0caff152 --- /dev/null +++ b/arch/xtensa/platforms/xtavnet/include/platform/serial.h @@ -0,0 +1 @@ +#include <asm-generic/serial.h> diff --git a/arch/xtensa/platforms/xtavnet/lcd.c b/arch/xtensa/platforms/xtavnet/lcd.c new file mode 100644 index 000000000000..283986f158ad --- /dev/null +++ b/arch/xtensa/platforms/xtavnet/lcd.c @@ -0,0 +1,79 @@ +/* + * Driver for the LCD display on the Tensilica LX60 Board. + * This code has no effect on the LX200 board. (LX110: TBD) + * + * Copyright (C) 2001-2006 Tensilica Inc. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +/* + * + * FIXME: this code is from the examples from the LX60 user guide. + * + * The lcd_pause function does busy waiting, which is probably not + * great. Maybe the code could be changed to use kernel timers, or + * change the hardware to not need to wait. + */ + +#include <linux/init.h> + +#include <platform/hardware.h> +#include <asm/processor.h> +#include <platform/lcd.h> +#include <linux/delay.h> + +#define LCD_PAUSE_ITERATIONS 4000 +#define LCD_CLEAR 0x1 +#define LCD_DISPLAY_ON 0xc + +/* 8bit and 2 lines display */ +#define LCD_DISPLAY_MODE8BIT 0x38 +#define LCD_DISPLAY_POS 0x80 +#define LCD_SHIFT_LEFT 0x18 +#define LCD_SHIFT_RIGHT 0x1c + +static int __init lcd_init(void) +{ + *LCD_INSTR_ADDR = LCD_DISPLAY_MODE8BIT; + mdelay(5); + *LCD_INSTR_ADDR = LCD_DISPLAY_MODE8BIT; + udelay(200); + *LCD_INSTR_ADDR = LCD_DISPLAY_MODE8BIT; + udelay(50); + *LCD_INSTR_ADDR = LCD_DISPLAY_ON; + udelay(50); + *LCD_INSTR_ADDR = LCD_CLEAR; + mdelay(10); + lcd_disp_at_pos("XTENSA LINUX", 0); + + return 0; +} + +void lcd_disp_at_pos (char *str, unsigned char pos) +{ + *LCD_INSTR_ADDR = LCD_DISPLAY_POS | pos; + udelay(100); + while (*str != 0){ + *LCD_DATA_ADDR = *str; + udelay(200); + str++; + } +} + +void lcd_shiftleft(void) +{ + *LCD_INSTR_ADDR = LCD_SHIFT_LEFT; + udelay(50); +} + +void lcd_shiftright(void) +{ + *LCD_INSTR_ADDR = LCD_SHIFT_RIGHT; + udelay(50); +} + +arch_initcall(lcd_init); + diff --git a/arch/xtensa/platforms/xtavnet/setup.c b/arch/xtensa/platforms/xtavnet/setup.c new file mode 100644 index 000000000000..256fcb2b2af4 --- /dev/null +++ b/arch/xtensa/platforms/xtavnet/setup.c @@ -0,0 +1,269 @@ +/* + * arch/xtensa/platform-xtavnet/setup.c + * + * Setup/initialization for Tensilica Avnet boards (XT-AV60, XT-AV110, XT-AV200, + * derived from Avnet LX60, LX110, LX200 boards respectively). + * For details, see "Tensilica Avnet LX### (XT-AV###) Board User's Guide" + * (where ### is 60, 110, or 200). + * + * Authors: Chris Zankel <chris@zankel.net> + * Joe Taylor <joe@tensilica.com> + * Pete Delaney <piet@tensilica.com> + * Marc Gauthier <marc@tensilica.com> <marc@alumni.uwaterloo.ca> + * + * Copyright 2001-2010 Tensilica Inc. + * + * This file is subject to the terms and conditions of the GNU General Public + * License, version 2. See the file "COPYING" in the main directory of this + * archive for more details. + */ + +#include <linux/stddef.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/errno.h> +#include <linux/reboot.h> +#include <linux/kdev_t.h> +#include <linux/types.h> +#include <linux/major.h> +#include <linux/console.h> +#include <linux/delay.h> +#include <linux/stringify.h> +#include <linux/platform_device.h> +#include <linux/serial_8250.h> +#include <asm/timex.h> + +#include <linux/etherdevice.h> +#include <net/ethoc.h> + +#include <asm/processor.h> +#include <asm/platform.h> +#include <asm/bootparam.h> +#include <platform/lcd.h> +#include <platform/hardware.h> +#include <variant/core.h> + +/* For doing extra init. beyond what the ethoc driver does. */ +struct oeth_regs { + unsigned moder; /* Mode Register */ + unsigned int_src; /* Interrupt Source Register */ + unsigned int_mask; /* Interrupt Mask Register */ + unsigned ipgt; /* Back to Bak Inter Packet Gap Register */ + unsigned ipgr1; /* Non Back to Back Inter Packet Gap Register 1 */ + unsigned ipgr2; /* Non Back to Back Inter Packet Gap Register 2 */ + unsigned packet_len; /* Packet Length Register (min. and max.) */ + unsigned collconf; /* Collision and Retry Configuration Register */ + unsigned tx_bd_num; /* Transmit Buffer Descriptor Number Register */ + unsigned ctrlmoder; /* Control Module Mode Register */ + unsigned miimoder; /* MII Mode Register */ + unsigned miicommand; /* MII Command Register */ + unsigned miiaddress; /* MII Address Register */ + unsigned miitx_data; /* MII Transmit Data Register */ + unsigned miirx_data; /* MII Receive Data Register */ + unsigned miistatus; /* MII Status Register */ + unsigned mac_addr0; /* MAC Individual Address Register 0 */ + unsigned mac_addr1; /* MAC Individual Address Register 1 */ + unsigned hash_addr0; /* Hash Register 0 */ + unsigned hash_addr1; /* Hash Register 1 */ +}; +/* MODER Register */ +#define OETH_MODER_RST 0x00000800 /* Reset MAC */ +/* MII Mode Register */ +#define OETH_MIIMODER_CLKDIV 0x000000FF /* Clock Divider */ + + + +void platform_halt(void) +{ + /* Just display HALT on LCD display, and loop. */ + lcd_disp_at_pos(" HALT ", 0); + local_irq_disable(); + while (1); +} + +void platform_power_off(void) +{ + /* No software-controlled power-off, just display POWEROFF and loop. */ + lcd_disp_at_pos ("POWEROFF", 0); + local_irq_disable(); + while (1); +} + +void platform_restart(void) +{ + /* Software-initiated board reset. */ + *(volatile unsigned *)XTAVNET_SWRST_VADDR = 0xdead; +} + +void platform_heartbeat(void) +{ + /* Executes every timer tick. */ +} + + +/* + * Called from time_init(). "Calibrating" is a misnomer, here we just read + * the clock rate from the board specific FPGA registers. + */ +void platform_calibrate_ccount(void) +{ + long clk_freq = *(long *)XTAVNET_CLKFRQ_VADDR; + + ccount_per_jiffy = clk_freq / HZ; + nsec_per_ccount = 1000000000UL / clk_freq; +} + + +/*---------------------------------------------------------------------------- + * Ethernet -- OpenCores Ethernet MAC (ethoc driver) + */ + +static struct resource ethoc_res[] = { + [0] = { /* register space */ + .start = OETH_REGS_PADDR, + .end = OETH_REGS_PADDR + OETH_REGS_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { /* buffer space */ + .start = OETH_SRAMBUFF_PADDR, + .end = OETH_SRAMBUFF_PADDR + OETH_SRAMBUFF_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + [2] = { /* IRQ number */ + .start = OETH_IRQ, + .end = OETH_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct ethoc_platform_data ethoc_pdata = { + .hwaddr = { OETH_MACADDR }, /* last byte written in setup below */ + .phy_id = -1, +}; + +static struct platform_device ethoc_device = { + .name = "ethoc", + .id = -1, + .num_resources = ARRAY_SIZE(ethoc_res), + .resource = ethoc_res, + .dev = { + .platform_data = ðoc_pdata, + }, +}; + + +/*---------------------------------------------------------------------------- + * UART + */ + +static struct resource serial_resource = { + .start = UART_PADDR, + .end = UART_PADDR + 0x1f, + .flags = IORESOURCE_MEM, +}; + +static struct plat_serial8250_port serial_platform_data[] = { + [0] = { + .mapbase = UART_PADDR, + .irq = UART_INTNUM, + .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, + .iotype = UPIO_MEM32, + .regshift = 2, + .uartclk = 0, /* set in xtavnet_init() */ + }, + { }, +}; + +static struct platform_device xtavnet_uart = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = serial_platform_data, + }, + .num_resources = 1, + .resource = &serial_resource, +}; + + +/*---------------------------------------------------------------------------- + */ + +/* platform devices */ +static struct platform_device *platform_devices[] = { + ðoc_device, + &xtavnet_uart, +}; + + + +/* very early init */ +void __init platform_setup(char **cmdline) +{ + if (cmdline) { + if (cmdline[0]) + printk("XTAVnet: platform_setup(cmdline[0]:'%s')\n", cmdline[0]); + else + printk("XTAVnet: platform_setup(cmdline[0]:<null>)\n"); + } +} + +/* early initialization, before secondary cpu's have been brought up */ + +void platform_init(bp_tag_t *bootparams) +{ + printk("\n"); + if( bootparams ) + printk("XTAVnet: platform_init(bootparams:0x%x)\n", (unsigned)bootparams); +} + +static int xtavnet_init(void) +{ + volatile struct oeth_regs *regs = (volatile struct oeth_regs*)OETH_REGS_VADDR; + + /* + * Do some of the initialization missing in the ETHOC driver. + * (Perhaps not all necessary, but was in a previously used driver.) + */ + + /* Reset the controller. */ + regs->moder = OETH_MODER_RST; /* Reset ON */ + regs->moder &= ~OETH_MODER_RST; /* Reset OFF */ + + regs->packet_len = (64 << 16) | 1536; + regs->ipgr1 = 0x0000000c; + regs->ipgr2 = 0x00000012; + regs->collconf = 0x000f003f; + regs->ctrlmoder = 0; + regs->miimoder = (OETH_MIIMODER_CLKDIV & 0x2); + + /* + * Setup dynamic info in platform device init structures. + */ + + /* Ethernet MAC address. */ + ethoc_pdata.hwaddr[5] = *(u32*)DIP_SWITCHES_VADDR; + + /* Clock rate varies among FPGA bitstreams; board specific FPGA register + * reports the actual clock rate. */ + serial_platform_data[0].uartclk = *(long *)XTAVNET_CLKFRQ_VADDR; + + + /* register platform devices */ + platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); + + /* ETHOC driver is a bit quiet; at least display Ethernet MAC, so user + knows whether they set it correctly on the DIP switches. */ + printk("XTAVnet: Ethernet MAC %02x:%02x:%02x:%02x:%02x:%02x\n", + ethoc_pdata.hwaddr[0], ethoc_pdata.hwaddr[1], ethoc_pdata.hwaddr[2], + ethoc_pdata.hwaddr[3], ethoc_pdata.hwaddr[4], ethoc_pdata.hwaddr[5]); + + return 0; +} + + +/* + * Register to be done during do_initcalls(). + */ +arch_initcall(xtavnet_init); + + diff --git a/drivers/Makefile b/drivers/Makefile index f42a03029b7c..91874e048552 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -10,6 +10,7 @@ obj-$(CONFIG_PCI) += pci/ obj-$(CONFIG_PARISC) += parisc/ obj-$(CONFIG_RAPIDIO) += rapidio/ obj-y += video/ +obj-y += idle/ obj-$(CONFIG_ACPI) += acpi/ obj-$(CONFIG_SFI) += sfi/ # PnP must come after ACPI since it will eventually need to check if acpi @@ -91,7 +92,6 @@ obj-$(CONFIG_EISA) += eisa/ obj-y += lguest/ obj-$(CONFIG_CPU_FREQ) += cpufreq/ obj-$(CONFIG_CPU_IDLE) += cpuidle/ -obj-y += idle/ obj-$(CONFIG_MMC) += mmc/ obj-$(CONFIG_MEMSTICK) += memstick/ obj-$(CONFIG_NEW_LEDS) += leds/ diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 93d2c7971df6..746411518802 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -360,4 +360,13 @@ config ACPI_SBS To compile this driver as a module, choose M here: the modules will be called sbs and sbshc. +config ACPI_HED + tristate "Hardware Error Device" + help + This driver supports the Hardware Error Device (PNP0C33), + which is used to report some hardware errors notified via + SCI, mainly the corrected errors. + +source "drivers/acpi/apei/Kconfig" + endif # ACPI diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index a8d8998dd5c5..6ee33169e1dc 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -19,7 +19,7 @@ obj-y += acpi.o \ # All the builtin files are in the "acpi." module_param namespace. acpi-y += osl.o utils.o reboot.o -acpi-y += hest.o +acpi-y += atomicio.o # sleep related files acpi-y += wakeup.o @@ -59,6 +59,7 @@ obj-$(CONFIG_ACPI_BATTERY) += battery.o obj-$(CONFIG_ACPI_SBS) += sbshc.o obj-$(CONFIG_ACPI_SBS) += sbs.o obj-$(CONFIG_ACPI_POWER_METER) += power_meter.o +obj-$(CONFIG_ACPI_HED) += hed.o # processor has its own "processor." module_param namespace processor-y := processor_driver.o processor_throttling.o @@ -66,3 +67,5 @@ processor-y += processor_idle.o processor_thermal.o processor-$(CONFIG_CPU_FREQ) += processor_perflib.o obj-$(CONFIG_ACPI_PROCESSOR_AGGREGATOR) += acpi_pad.o + +obj-$(CONFIG_ACPI_APEI) += apei/ diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c index 62122134693b..d269a8f3329c 100644 --- a/drivers/acpi/acpi_pad.c +++ b/drivers/acpi/acpi_pad.c @@ -43,6 +43,10 @@ static DEFINE_MUTEX(isolated_cpus_lock); #define CPUID5_ECX_EXTENSIONS_SUPPORTED (0x1) #define CPUID5_ECX_INTERRUPT_BREAK (0x2) static unsigned long power_saving_mwait_eax; + +static unsigned char tsc_detected_unstable; +static unsigned char tsc_marked_unstable; + static void power_saving_mwait_init(void) { unsigned int eax, ebx, ecx, edx; @@ -87,8 +91,8 @@ static void power_saving_mwait_init(void) /*FALL THROUGH*/ default: - /* TSC could halt in idle, so notify users */ - mark_tsc_unstable("TSC halts in idle"); + /* TSC could halt in idle */ + tsc_detected_unstable = 1; } #endif } @@ -168,16 +172,14 @@ static int power_saving_thread(void *data) do_sleep = 0; - current_thread_info()->status &= ~TS_POLLING; - /* - * TS_POLLING-cleared state must be visible before we test - * NEED_RESCHED: - */ - smp_mb(); - expire_time = jiffies + HZ * (100 - idle_pct) / 100; while (!need_resched()) { + if (tsc_detected_unstable && !tsc_marked_unstable) { + /* TSC could halt in idle, so notify users */ + mark_tsc_unstable("TSC halts in idle"); + tsc_marked_unstable = 1; + } local_irq_disable(); cpu = smp_processor_id(); clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER, @@ -200,8 +202,6 @@ static int power_saving_thread(void *data) } } - current_thread_info()->status |= TS_POLLING; - /* * current sched_rt has threshold for rt task running time. * When a rt task uses 95% CPU time, the rt thread will be diff --git a/drivers/acpi/acpica/evxfevnt.c b/drivers/acpi/acpica/evxfevnt.c index 7c7bbb4d402c..d5a5efc043bf 100644 --- a/drivers/acpi/acpica/evxfevnt.c +++ b/drivers/acpi/acpica/evxfevnt.c @@ -69,7 +69,7 @@ acpi_ev_get_gpe_device(struct acpi_gpe_xrupt_info *gpe_xrupt_info, acpi_status acpi_enable(void) { - acpi_status status = AE_OK; + acpi_status status; ACPI_FUNCTION_TRACE(acpi_enable); @@ -84,21 +84,30 @@ acpi_status acpi_enable(void) if (acpi_hw_get_mode() == ACPI_SYS_MODE_ACPI) { ACPI_DEBUG_PRINT((ACPI_DB_INIT, "System is already in ACPI mode\n")); - } else { - /* Transition to ACPI mode */ + return_ACPI_STATUS(AE_OK); + } - status = acpi_hw_set_mode(ACPI_SYS_MODE_ACPI); - if (ACPI_FAILURE(status)) { - ACPI_ERROR((AE_INFO, - "Could not transition to ACPI mode")); - return_ACPI_STATUS(status); - } + /* Transition to ACPI mode */ - ACPI_DEBUG_PRINT((ACPI_DB_INIT, - "Transition to ACPI mode successful\n")); + status = acpi_hw_set_mode(ACPI_SYS_MODE_ACPI); + if (ACPI_FAILURE(status)) { + ACPI_ERROR((AE_INFO, + "Could not transition to ACPI mode")); + return_ACPI_STATUS(status); } - return_ACPI_STATUS(status); + /* Sanity check that transition succeeded */ + + if (acpi_hw_get_mode() != ACPI_SYS_MODE_ACPI) { + ACPI_ERROR((AE_INFO, + "Hardware did not enter ACPI mode")); + return_ACPI_STATUS(AE_NO_HARDWARE_RESPONSE); + } + + ACPI_DEBUG_PRINT((ACPI_DB_INIT, + "Transition to ACPI mode successful\n")); + + return_ACPI_STATUS(AE_OK); } ACPI_EXPORT_SYMBOL(acpi_enable) diff --git a/drivers/acpi/acpica/hwacpi.c b/drivers/acpi/acpica/hwacpi.c index 679a112a7d26..b44274a0b62c 100644 --- a/drivers/acpi/acpica/hwacpi.c +++ b/drivers/acpi/acpica/hwacpi.c @@ -63,7 +63,6 @@ acpi_status acpi_hw_set_mode(u32 mode) { acpi_status status; - u32 retry; ACPI_FUNCTION_TRACE(hw_set_mode); @@ -125,24 +124,7 @@ acpi_status acpi_hw_set_mode(u32 mode) return_ACPI_STATUS(status); } - /* - * Some hardware takes a LONG time to switch modes. Give them 3 sec to - * do so, but allow faster systems to proceed more quickly. - */ - retry = 3000; - while (retry) { - if (acpi_hw_get_mode() == mode) { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Mode %X successfully enabled\n", - mode)); - return_ACPI_STATUS(AE_OK); - } - acpi_os_stall(1000); - retry--; - } - - ACPI_ERROR((AE_INFO, "Hardware did not change modes")); - return_ACPI_STATUS(AE_NO_HARDWARE_RESPONSE); + return_ACPI_STATUS(AE_OK); } /******************************************************************************* diff --git a/drivers/acpi/apei/Kconfig b/drivers/acpi/apei/Kconfig new file mode 100644 index 000000000000..f8c668f27b5a --- /dev/null +++ b/drivers/acpi/apei/Kconfig @@ -0,0 +1,30 @@ +config ACPI_APEI + bool "ACPI Platform Error Interface (APEI)" + depends on X86 + help + APEI allows to report errors (for example from the chipset) + to the operating system. This improves NMI handling + especially. In addition it supports error serialization and + error injection. + +config ACPI_APEI_GHES + tristate "APEI Generic Hardware Error Source" + depends on ACPI_APEI && X86 + select ACPI_HED + help + Generic Hardware Error Source provides a way to report + platform hardware errors (such as that from chipset). It + works in so called "Firmware First" mode, that is, hardware + errors are reported to firmware firstly, then reported to + Linux by firmware. This way, some non-standard hardware + error registers or non-standard hardware link can be checked + by firmware to produce more valuable hardware error + information for Linux. + +config ACPI_APEI_EINJ + tristate "APEI Error INJection (EINJ)" + depends on ACPI_APEI && DEBUG_FS + help + EINJ provides a hardware error injection mechanism, it is + mainly used for debugging and testing the other parts of + APEI and some other RAS features. diff --git a/drivers/acpi/apei/Makefile b/drivers/acpi/apei/Makefile new file mode 100644 index 000000000000..b13b03a17789 --- /dev/null +++ b/drivers/acpi/apei/Makefile @@ -0,0 +1,5 @@ +obj-$(CONFIG_ACPI_APEI) += apei.o +obj-$(CONFIG_ACPI_APEI_GHES) += ghes.o +obj-$(CONFIG_ACPI_APEI_EINJ) += einj.o + +apei-y := apei-base.o hest.o cper.o erst.o diff --git a/drivers/acpi/apei/apei-base.c b/drivers/acpi/apei/apei-base.c new file mode 100644 index 000000000000..216e1e948ff6 --- /dev/null +++ b/drivers/acpi/apei/apei-base.c @@ -0,0 +1,594 @@ +/* + * apei-base.c - ACPI Platform Error Interface (APEI) supporting + * infrastructure + * + * APEI allows to report errors (for example from the chipset) to the + * the operating system. This improves NMI handling especially. In + * addition it supports error serialization and error injection. + * + * For more information about APEI, please refer to ACPI Specification + * version 4.0, chapter 17. + * + * This file has Common functions used by more than one APEI table, + * including framework of interpreter for ERST and EINJ; resource + * management for APEI registers. + * + * Copyright (C) 2009, Intel Corp. + * Author: Huang Ying <ying.huang@intel.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/acpi.h> +#include <linux/slab.h> +#include <linux/io.h> +#include <linux/kref.h> +#include <linux/rculist.h> +#include <linux/interrupt.h> +#include <linux/debugfs.h> +#include <acpi/atomicio.h> + +#include "apei-internal.h" + +#define APEI_PFX "APEI: " + +/* + * APEI ERST (Error Record Serialization Table) and EINJ (Error + * INJection) interpreter framework. + */ + +#define APEI_EXEC_PRESERVE_REGISTER 0x1 + +void apei_exec_ctx_init(struct apei_exec_context *ctx, + struct apei_exec_ins_type *ins_table, + u32 instructions, + struct acpi_whea_header *action_table, + u32 entries) +{ + ctx->ins_table = ins_table; + ctx->instructions = instructions; + ctx->action_table = action_table; + ctx->entries = entries; +} +EXPORT_SYMBOL_GPL(apei_exec_ctx_init); + +int __apei_exec_read_register(struct acpi_whea_header *entry, u64 *val) +{ + int rc; + + rc = acpi_atomic_read(val, &entry->register_region); + if (rc) + return rc; + *val >>= entry->register_region.bit_offset; + *val &= entry->mask; + + return 0; +} + +int apei_exec_read_register(struct apei_exec_context *ctx, + struct acpi_whea_header *entry) +{ + int rc; + u64 val = 0; + + rc = __apei_exec_read_register(entry, &val); + if (rc) + return rc; + ctx->value = val; + + return 0; +} +EXPORT_SYMBOL_GPL(apei_exec_read_register); + +int apei_exec_read_register_value(struct apei_exec_context *ctx, + struct acpi_whea_header *entry) +{ + int rc; + + rc = apei_exec_read_register(ctx, entry); + if (rc) + return rc; + ctx->value = (ctx->value == entry->value); + + return 0; +} +EXPORT_SYMBOL_GPL(apei_exec_read_register_value); + +int __apei_exec_write_register(struct acpi_whea_header *entry, u64 val) +{ + int rc; + + val &= entry->mask; + val <<= entry->register_region.bit_offset; + if (entry->flags & APEI_EXEC_PRESERVE_REGISTER) { + u64 valr = 0; + rc = acpi_atomic_read(&valr, &entry->register_region); + if (rc) + return rc; + valr &= ~(entry->mask << entry->register_region.bit_offset); + val |= valr; + } + rc = acpi_atomic_write(val, &entry->register_region); + + return rc; +} + +int apei_exec_write_register(struct apei_exec_context *ctx, + struct acpi_whea_header *entry) +{ + return __apei_exec_write_register(entry, ctx->value); +} +EXPORT_SYMBOL_GPL(apei_exec_write_register); + +int apei_exec_write_register_value(struct apei_exec_context *ctx, + struct acpi_whea_header *entry) +{ + int rc; + + ctx->value = entry->value; + rc = apei_exec_write_register(ctx, entry); + + return rc; +} +EXPORT_SYMBOL_GPL(apei_exec_write_register_value); + +int apei_exec_noop(struct apei_exec_context *ctx, + struct acpi_whea_header *entry) +{ + return 0; +} +EXPORT_SYMBOL_GPL(apei_exec_noop); + +/* + * Interpret the specified action. Go through whole action table, + * execute all instructions belong to the action. + */ +int apei_exec_run(struct apei_exec_context *ctx, u8 action) +{ + int rc; + u32 i, ip; + struct acpi_whea_header *entry; + apei_exec_ins_func_t run; + + ctx->ip = 0; + + /* + * "ip" is the instruction pointer of current instruction, + * "ctx->ip" specifies the next instruction to executed, + * instruction "run" function may change the "ctx->ip" to + * implement "goto" semantics. + */ +rewind: + ip = 0; + for (i = 0; i < ctx->entries; i++) { + entry = &ctx->action_table[i]; + if (entry->action != action) + continue; + if (ip == ctx->ip) { + if (entry->instruction >= ctx->instructions || + !ctx->ins_table[entry->instruction].run) { + pr_warning(FW_WARN APEI_PFX + "Invalid action table, unknown instruction type: %d\n", + entry->instruction); + return -EINVAL; + } + run = ctx->ins_table[entry->instruction].run; + rc = run(ctx, entry); + if (rc < 0) + return rc; + else if (rc != APEI_EXEC_SET_IP) + ctx->ip++; + } + ip++; + if (ctx->ip < ip) + goto rewind; + } + + return 0; +} +EXPORT_SYMBOL_GPL(apei_exec_run); + +typedef int (*apei_exec_entry_func_t)(struct apei_exec_context *ctx, + struct acpi_whea_header *entry, + void *data); + +static int apei_exec_for_each_entry(struct apei_exec_context *ctx, + apei_exec_entry_func_t func, + void *data, + int *end) +{ + u8 ins; + int i, rc; + struct acpi_whea_header *entry; + struct apei_exec_ins_type *ins_table = ctx->ins_table; + + for (i = 0; i < ctx->entries; i++) { + entry = ctx->action_table + i; + ins = entry->instruction; + if (end) + *end = i; + if (ins >= ctx->instructions || !ins_table[ins].run) { + pr_warning(FW_WARN APEI_PFX + "Invalid action table, unknown instruction type: %d\n", + ins); + return -EINVAL; + } + rc = func(ctx, entry, data); + if (rc) + return rc; + } + + return 0; +} + +static int pre_map_gar_callback(struct apei_exec_context *ctx, + struct acpi_whea_header *entry, + void *data) +{ + u8 ins = entry->instruction; + + if (ctx->ins_table[ins].flags & APEI_EXEC_INS_ACCESS_REGISTER) + return acpi_pre_map_gar(&entry->register_region); + + return 0; +} + +/* + * Pre-map all GARs in action table to make it possible to access them + * in NMI handler. + */ +int apei_exec_pre_map_gars(struct apei_exec_context *ctx) +{ + int rc, end; + + rc = apei_exec_for_each_entry(ctx, pre_map_gar_callback, + NULL, &end); + if (rc) { + struct apei_exec_context ctx_unmap; + memcpy(&ctx_unmap, ctx, sizeof(*ctx)); + ctx_unmap.entries = end; + apei_exec_post_unmap_gars(&ctx_unmap); + } + + return rc; +} +EXPORT_SYMBOL_GPL(apei_exec_pre_map_gars); + +static int post_unmap_gar_callback(struct apei_exec_context *ctx, + struct acpi_whea_header *entry, + void *data) +{ + u8 ins = entry->instruction; + + if (ctx->ins_table[ins].flags & APEI_EXEC_INS_ACCESS_REGISTER) + acpi_post_unmap_gar(&entry->register_region); + + return 0; +} + +/* Post-unmap all GAR in action table. */ +int apei_exec_post_unmap_gars(struct apei_exec_context *ctx) +{ + return apei_exec_for_each_entry(ctx, post_unmap_gar_callback, + NULL, NULL); +} +EXPORT_SYMBOL_GPL(apei_exec_post_unmap_gars); + +/* + * Resource management for GARs in APEI + */ +struct apei_res { + struct list_head list; + unsigned long start; + unsigned long end; +}; + +/* Collect all resources requested, to avoid conflict */ +struct apei_resources apei_resources_all = { + .iomem = LIST_HEAD_INIT(apei_resources_all.iomem), + .ioport = LIST_HEAD_INIT(apei_resources_all.ioport), +}; + +static int apei_res_add(struct list_head *res_list, + unsigned long start, unsigned long size) +{ + struct apei_res *res, *resn, *res_ins = NULL; + unsigned long end = start + size; + + if (end <= start) + return 0; +repeat: + list_for_each_entry_safe(res, resn, res_list, list) { + if (res->start > end || res->end < start) + continue; + else if (end <= res->end && start >= res->start) { + kfree(res_ins); + return 0; + } + list_del(&res->list); + res->start = start = min(res->start, start); + res->end = end = max(res->end, end); + kfree(res_ins); + res_ins = res; + goto repeat; + } + + if (res_ins) + list_add(&res_ins->list, res_list); + else { + res_ins = kmalloc(sizeof(*res), GFP_KERNEL); + if (!res_ins) + return -ENOMEM; + res_ins->start = start; + res_ins->end = end; + list_add(&res_ins->list, res_list); + } + + return 0; +} + +static int apei_res_sub(struct list_head *res_list1, + struct list_head *res_list2) +{ + struct apei_res *res1, *resn1, *res2, *res; + res1 = list_entry(res_list1->next, struct apei_res, list); + resn1 = list_entry(res1->list.next, struct apei_res, list); + while (&res1->list != res_list1) { + list_for_each_entry(res2, res_list2, list) { + if (res1->start >= res2->end || + res1->end <= res2->start) + continue; + else if (res1->end <= res2->end && + res1->start >= res2->start) { + list_del(&res1->list); + kfree(res1); + break; + } else if (res1->end > res2->end && + res1->start < res2->start) { + res = kmalloc(sizeof(*res), GFP_KERNEL); + if (!res) + return -ENOMEM; + res->start = res2->end; + res->end = res1->end; + res1->end = res2->start; + list_add(&res->list, &res1->list); + resn1 = res; + } else { + if (res1->start < res2->start) + res1->end = res2->start; + else + res1->start = res2->end; + } + } + res1 = resn1; + resn1 = list_entry(resn1->list.next, struct apei_res, list); + } + + return 0; +} + +static void apei_res_clean(struct list_head *res_list) +{ + struct apei_res *res, *resn; + + list_for_each_entry_safe(res, resn, res_list, list) { + list_del(&res->list); + kfree(res); + } +} + +void apei_resources_fini(struct apei_resources *resources) +{ + apei_res_clean(&resources->iomem); + apei_res_clean(&resources->ioport); +} +EXPORT_SYMBOL_GPL(apei_resources_fini); + +static int apei_resources_merge(struct apei_resources *resources1, + struct apei_resources *resources2) +{ + int rc; + struct apei_res *res; + + list_for_each_entry(res, &resources2->iomem, list) { + rc = apei_res_add(&resources1->iomem, res->start, + res->end - res->start); + if (rc) + return rc; + } + list_for_each_entry(res, &resources2->ioport, list) { + rc = apei_res_add(&resources1->ioport, res->start, + res->end - res->start); + if (rc) + return rc; + } + + return 0; +} + +/* + * EINJ has two groups of GARs (EINJ table entry and trigger table + * entry), so common resources are subtracted from the trigger table + * resources before the second requesting. + */ +int apei_resources_sub(struct apei_resources *resources1, + struct apei_resources *resources2) +{ + int rc; + + rc = apei_res_sub(&resources1->iomem, &resources2->iomem); + if (rc) + return rc; + return apei_res_sub(&resources1->ioport, &resources2->ioport); +} +EXPORT_SYMBOL_GPL(apei_resources_sub); + +/* + * IO memory/port rersource management mechanism is used to check + * whether memory/port area used by GARs conflicts with normal memory + * or IO memory/port of devices. + */ +int apei_resources_request(struct apei_resources *resources, + const char *desc) +{ + struct apei_res *res, *res_bak; + struct resource *r; + + apei_resources_sub(resources, &apei_resources_all); + + list_for_each_entry(res, &resources->iomem, list) { + r = request_mem_region(res->start, res->end - res->start, + desc); + if (!r) { + pr_err(APEI_PFX + "Can not request iomem region <%016llx-%016llx> for GARs.\n", + (unsigned long long)res->start, + (unsigned long long)res->end); + res_bak = res; + goto err_unmap_iomem; + } + } + + list_for_each_entry(res, &resources->ioport, list) { + r = request_region(res->start, res->end - res->start, desc); + if (!r) { + pr_err(APEI_PFX + "Can not request ioport region <%016llx-%016llx> for GARs.\n", + (unsigned long long)res->start, + (unsigned long long)res->end); + res_bak = res; + goto err_unmap_ioport; + } + } + + apei_resources_merge(&apei_resources_all, resources); + + return 0; +err_unmap_ioport: + list_for_each_entry(res, &resources->ioport, list) { + if (res == res_bak) + break; + release_mem_region(res->start, res->end - res->start); + } + res_bak = NULL; +err_unmap_iomem: + list_for_each_entry(res, &resources->iomem, list) { + if (res == res_bak) + break; + release_region(res->start, res->end - res->start); + } + return -EINVAL; +} +EXPORT_SYMBOL_GPL(apei_resources_request); + +void apei_resources_release(struct apei_resources *resources) +{ + struct apei_res *res; + + list_for_each_entry(res, &resources->iomem, list) + release_mem_region(res->start, res->end - res->start); + list_for_each_entry(res, &resources->ioport, list) + release_region(res->start, res->end - res->start); + + apei_resources_sub(&apei_resources_all, resources); +} +EXPORT_SYMBOL_GPL(apei_resources_release); + +static int apei_check_gar(struct acpi_generic_address *reg, u64 *paddr) +{ + u32 width, space_id; + + width = reg->bit_width; + space_id = reg->space_id; + /* Handle possible alignment issues */ + memcpy(paddr, ®->address, sizeof(*paddr)); + if (!*paddr) { + pr_warning(FW_BUG APEI_PFX + "Invalid physical address in GAR [0x%llx/%u/%u]\n", + *paddr, width, space_id); + return -EINVAL; + } + + if ((width != 8) && (width != 16) && (width != 32) && (width != 64)) { + pr_warning(FW_BUG APEI_PFX + "Invalid bit width in GAR [0x%llx/%u/%u]\n", + *paddr, width, space_id); + return -EINVAL; + } + + if (space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY && + space_id != ACPI_ADR_SPACE_SYSTEM_IO) { + pr_warning(FW_BUG APEI_PFX + "Invalid address space type in GAR [0x%llx/%u/%u]\n", + *paddr, width, space_id); + return -EINVAL; + } + + return 0; +} + +static int collect_res_callback(struct apei_exec_context *ctx, + struct acpi_whea_header *entry, + void *data) +{ + struct apei_resources *resources = data; + struct acpi_generic_address *reg = &entry->register_region; + u8 ins = entry->instruction; + u64 paddr; + int rc; + + if (!(ctx->ins_table[ins].flags & APEI_EXEC_INS_ACCESS_REGISTER)) + return 0; + + rc = apei_check_gar(reg, &paddr); + if (rc) + return rc; + + switch (reg->space_id) { + case ACPI_ADR_SPACE_SYSTEM_MEMORY: + return apei_res_add(&resources->iomem, paddr, + reg->bit_width / 8); + case ACPI_ADR_SPACE_SYSTEM_IO: + return apei_res_add(&resources->ioport, paddr, + reg->bit_width / 8); + default: + return -EINVAL; + } +} + +/* + * Same register may be used by multiple instructions in GARs, so + * resources are collected before requesting. + */ +int apei_exec_collect_resources(struct apei_exec_context *ctx, + struct apei_resources *resources) +{ + return apei_exec_for_each_entry(ctx, collect_res_callback, + resources, NULL); +} +EXPORT_SYMBOL_GPL(apei_exec_collect_resources); + +struct dentry *apei_get_debugfs_dir(void) +{ + static struct dentry *dapei; + + if (!dapei) + dapei = debugfs_create_dir("apei", NULL); + + return dapei; +} +EXPORT_SYMBOL_GPL(apei_get_debugfs_dir); diff --git a/drivers/acpi/apei/apei-internal.h b/drivers/acpi/apei/apei-internal.h new file mode 100644 index 000000000000..18df1e940276 --- /dev/null +++ b/drivers/acpi/apei/apei-internal.h @@ -0,0 +1,114 @@ +/* + * apei-internal.h - ACPI Platform Error Interface internal + * definations. + */ + +#ifndef APEI_INTERNAL_H +#define APEI_INTERNAL_H + +#include <linux/cper.h> + +struct apei_exec_context; + +typedef int (*apei_exec_ins_func_t)(struct apei_exec_context *ctx, + struct acpi_whea_header *entry); + +#define APEI_EXEC_INS_ACCESS_REGISTER 0x0001 + +struct apei_exec_ins_type { + u32 flags; + apei_exec_ins_func_t run; +}; + +struct apei_exec_context { + u32 ip; + u64 value; + u64 var1; + u64 var2; + u64 src_base; + u64 dst_base; + struct apei_exec_ins_type *ins_table; + u32 instructions; + struct acpi_whea_header *action_table; + u32 entries; +}; + +void apei_exec_ctx_init(struct apei_exec_context *ctx, + struct apei_exec_ins_type *ins_table, + u32 instructions, + struct acpi_whea_header *action_table, + u32 entries); + +static inline void apei_exec_ctx_set_input(struct apei_exec_context *ctx, + u64 input) +{ + ctx->value = input; +} + +static inline u64 apei_exec_ctx_get_output(struct apei_exec_context *ctx) +{ + return ctx->value; +} + +int apei_exec_run(struct apei_exec_context *ctx, u8 action); + +/* Common instruction implementation */ + +/* IP has been set in instruction function */ +#define APEI_EXEC_SET_IP 1 + +int __apei_exec_read_register(struct acpi_whea_header *entry, u64 *val); +int __apei_exec_write_register(struct acpi_whea_header *entry, u64 val); +int apei_exec_read_register(struct apei_exec_context *ctx, + struct acpi_whea_header *entry); +int apei_exec_read_register_value(struct apei_exec_context *ctx, + struct acpi_whea_header *entry); +int apei_exec_write_register(struct apei_exec_context *ctx, + struct acpi_whea_header *entry); +int apei_exec_write_register_value(struct apei_exec_context *ctx, + struct acpi_whea_header *entry); +int apei_exec_noop(struct apei_exec_context *ctx, + struct acpi_whea_header *entry); +int apei_exec_pre_map_gars(struct apei_exec_context *ctx); +int apei_exec_post_unmap_gars(struct apei_exec_context *ctx); + +struct apei_resources { + struct list_head iomem; + struct list_head ioport; +}; + +static inline void apei_resources_init(struct apei_resources *resources) +{ + INIT_LIST_HEAD(&resources->iomem); + INIT_LIST_HEAD(&resources->ioport); +} + +void apei_resources_fini(struct apei_resources *resources); +int apei_resources_sub(struct apei_resources *resources1, + struct apei_resources *resources2); +int apei_resources_request(struct apei_resources *resources, + const char *desc); +void apei_resources_release(struct apei_resources *resources); +int apei_exec_collect_resources(struct apei_exec_context *ctx, + struct apei_resources *resources); + +struct dentry; +struct dentry *apei_get_debugfs_dir(void); + +#define apei_estatus_for_each_section(estatus, section) \ + for (section = (struct acpi_hest_generic_data *)(estatus + 1); \ + (void *)section - (void *)estatus < estatus->data_length; \ + section = (void *)(section+1) + section->error_data_length) + +static inline u32 apei_estatus_len(struct acpi_hest_generic_status *estatus) +{ + if (estatus->raw_data_length) + return estatus->raw_data_offset + \ + estatus->raw_data_length; + else + return sizeof(*estatus) + estatus->data_length; +} + +int apei_estatus_check_header(const struct acpi_hest_generic_status *estatus); +int apei_estatus_check(const struct acpi_hest_generic_status *estatus); +#endif diff --git a/drivers/acpi/apei/cper.c b/drivers/acpi/apei/cper.c new file mode 100644 index 000000000000..f4cf2fc4c8c1 --- /dev/null +++ b/drivers/acpi/apei/cper.c @@ -0,0 +1,84 @@ +/* + * UEFI Common Platform Error Record (CPER) support + * + * Copyright (C) 2010, Intel Corp. + * Author: Huang Ying <ying.huang@intel.com> + * + * CPER is the format used to describe platform hardware error by + * various APEI tables, such as ERST, BERT and HEST etc. + * + * For more information about CPER, please refer to Appendix N of UEFI + * Specification version 2.3. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/time.h> +#include <linux/cper.h> +#include <linux/acpi.h> + +/* + * CPER record ID need to be unique even after reboot, because record + * ID is used as index for ERST storage, while CPER records from + * multiple boot may co-exist in ERST. + */ +u64 cper_next_record_id(void) +{ + static atomic64_t seq; + + if (!atomic64_read(&seq)) + atomic64_set(&seq, ((u64)get_seconds()) << 32); + + return atomic64_inc_return(&seq); +} +EXPORT_SYMBOL_GPL(cper_next_record_id); + +int apei_estatus_check_header(const struct acpi_hest_generic_status *estatus) +{ + if (estatus->data_length && + estatus->data_length < sizeof(struct acpi_hest_generic_data)) + return -EINVAL; + if (estatus->raw_data_length && + estatus->raw_data_offset < sizeof(*estatus) + estatus->data_length) + return -EINVAL; + + return 0; +} +EXPORT_SYMBOL_GPL(apei_estatus_check_header); + +int apei_estatus_check(const struct acpi_hest_generic_status *estatus) +{ + struct acpi_hest_generic_data *gdata; + unsigned int data_len, gedata_len; + int rc; + + rc = apei_estatus_check_header(estatus); + if (rc) + return rc; + data_len = estatus->data_length; + gdata = (struct acpi_hest_generic_data *)(estatus + 1); + while (data_len > sizeof(*gdata)) { + gedata_len = gdata->error_data_length; + if (gedata_len > data_len - sizeof(*gdata)) + return -EINVAL; + data_len -= gedata_len + sizeof(*gdata); + } + if (data_len) + return -EINVAL; + + return 0; +} +EXPORT_SYMBOL_GPL(apei_estatus_check); diff --git a/drivers/acpi/apei/einj.c b/drivers/acpi/apei/einj.c new file mode 100644 index 000000000000..465c885938ee --- /dev/null +++ b/drivers/acpi/apei/einj.c @@ -0,0 +1,548 @@ +/* + * APEI Error INJection support + * + * EINJ provides a hardware error injection mechanism, this is useful + * for debugging and testing of other APEI and RAS features. + * + * For more information about EINJ, please refer to ACPI Specification + * version 4.0, section 17.5. + * + * Copyright 2009-2010 Intel Corp. + * Author: Huang Ying <ying.huang@intel.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/debugfs.h> +#include <linux/seq_file.h> +#include <linux/nmi.h> +#include <linux/delay.h> +#include <acpi/acpi.h> + +#include "apei-internal.h" + +#define EINJ_PFX "EINJ: " + +#define SPIN_UNIT 100 /* 100ns */ +/* Firmware should respond within 1 miliseconds */ +#define FIRMWARE_TIMEOUT (1 * NSEC_PER_MSEC) + +/* + * Some BIOSes allow parameters to the SET_ERROR_TYPE entries in the + * EINJ table through an unpublished extension. Use with caution as + * most will ignore the parameter and make their own choice of address + * for error injection. + */ +struct einj_parameter { + u64 type; + u64 reserved1; + u64 reserved2; + u64 param1; + u64 param2; +}; + +#define EINJ_OP_BUSY 0x1 +#define EINJ_STATUS_SUCCESS 0x0 +#define EINJ_STATUS_FAIL 0x1 +#define EINJ_STATUS_INVAL 0x2 + +#define EINJ_TAB_ENTRY(tab) \ + ((struct acpi_whea_header *)((char *)(tab) + \ + sizeof(struct acpi_table_einj))) + +static struct acpi_table_einj *einj_tab; + +static struct apei_resources einj_resources; + +static struct apei_exec_ins_type einj_ins_type[] = { + [ACPI_EINJ_READ_REGISTER] = { + .flags = APEI_EXEC_INS_ACCESS_REGISTER, + .run = apei_exec_read_register, + }, + [ACPI_EINJ_READ_REGISTER_VALUE] = { + .flags = APEI_EXEC_INS_ACCESS_REGISTER, + .run = apei_exec_read_register_value, + }, + [ACPI_EINJ_WRITE_REGISTER] = { + .flags = APEI_EXEC_INS_ACCESS_REGISTER, + .run = apei_exec_write_register, + }, + [ACPI_EINJ_WRITE_REGISTER_VALUE] = { + .flags = APEI_EXEC_INS_ACCESS_REGISTER, + .run = apei_exec_write_register_value, + }, + [ACPI_EINJ_NOOP] = { + .flags = 0, + .run = apei_exec_noop, + }, +}; + +/* + * Prevent EINJ interpreter to run simultaneously, because the + * corresponding firmware implementation may not work properly when + * invoked simultaneously. + */ +static DEFINE_MUTEX(einj_mutex); + +static struct einj_parameter *einj_param; + +static void einj_exec_ctx_init(struct apei_exec_context *ctx) +{ + apei_exec_ctx_init(ctx, einj_ins_type, ARRAY_SIZE(einj_ins_type), + EINJ_TAB_ENTRY(einj_tab), einj_tab->entries); +} + +static int __einj_get_available_error_type(u32 *type) +{ + struct apei_exec_context ctx; + int rc; + + einj_exec_ctx_init(&ctx); + rc = apei_exec_run(&ctx, ACPI_EINJ_GET_ERROR_TYPE); + if (rc) + return rc; + *type = apei_exec_ctx_get_output(&ctx); + + return 0; +} + +/* Get error injection capabilities of the platform */ +static int einj_get_available_error_type(u32 *type) +{ + int rc; + + mutex_lock(&einj_mutex); + rc = __einj_get_available_error_type(type); + mutex_unlock(&einj_mutex); + + return rc; +} + +static int einj_timedout(u64 *t) +{ + if ((s64)*t < SPIN_UNIT) { + pr_warning(FW_WARN EINJ_PFX + "Firmware does not respond in time\n"); + return 1; + } + *t -= SPIN_UNIT; + ndelay(SPIN_UNIT); + touch_nmi_watchdog(); + return 0; +} + +static u64 einj_get_parameter_address(void) +{ + int i; + u64 paddr = 0; + struct acpi_whea_header *entry; + + entry = EINJ_TAB_ENTRY(einj_tab); + for (i = 0; i < einj_tab->entries; i++) { + if (entry->action == ACPI_EINJ_SET_ERROR_TYPE && + entry->instruction == ACPI_EINJ_WRITE_REGISTER && + entry->register_region.space_id == + ACPI_ADR_SPACE_SYSTEM_MEMORY) + memcpy(&paddr, &entry->register_region.address, + sizeof(paddr)); + entry++; + } + + return paddr; +} + +/* do sanity check to trigger table */ +static int einj_check_trigger_header(struct acpi_einj_trigger *trigger_tab) +{ + if (trigger_tab->header_size != sizeof(struct acpi_einj_trigger)) + return -EINVAL; + if (trigger_tab->table_size > PAGE_SIZE || + trigger_tab->table_size <= trigger_tab->header_size) + return -EINVAL; + if (trigger_tab->entry_count != + (trigger_tab->table_size - trigger_tab->header_size) / + sizeof(struct acpi_einj_entry)) + return -EINVAL; + + return 0; +} + +/* Execute instructions in trigger error action table */ +static int __einj_error_trigger(u64 trigger_paddr) +{ + struct acpi_einj_trigger *trigger_tab = NULL; + struct apei_exec_context trigger_ctx; + struct apei_resources trigger_resources; + struct acpi_whea_header *trigger_entry; + struct resource *r; + u32 table_size; + int rc = -EIO; + + r = request_mem_region(trigger_paddr, sizeof(*trigger_tab), + "APEI EINJ Trigger Table"); + if (!r) { + pr_err(EINJ_PFX + "Can not request iomem region <%016llx-%016llx> for Trigger table.\n", + (unsigned long long)trigger_paddr, + (unsigned long long)trigger_paddr+sizeof(*trigger_tab)); + goto out; + } + trigger_tab = ioremap_cache(trigger_paddr, sizeof(*trigger_tab)); + if (!trigger_tab) { + pr_err(EINJ_PFX "Failed to map trigger table!\n"); + goto out_rel_header; + } + rc = einj_check_trigger_header(trigger_tab); + if (rc) { + pr_warning(FW_BUG EINJ_PFX + "The trigger error action table is invalid\n"); + goto out_rel_header; + } + rc = -EIO; + table_size = trigger_tab->table_size; + r = request_mem_region(trigger_paddr + sizeof(*trigger_tab), + table_size - sizeof(*trigger_tab), + "APEI EINJ Trigger Table"); + if (!r) { + pr_err(EINJ_PFX +"Can not request iomem region <%016llx-%016llx> for Trigger Table Entry.\n", + (unsigned long long)trigger_paddr+sizeof(*trigger_tab), + (unsigned long long)trigger_paddr + table_size); + goto out_rel_header; + } + iounmap(trigger_tab); + trigger_tab = ioremap_cache(trigger_paddr, table_size); + if (!trigger_tab) { + pr_err(EINJ_PFX "Failed to map trigger table!\n"); + goto out_rel_entry; + } + trigger_entry = (struct acpi_whea_header *) + ((char *)trigger_tab + sizeof(struct acpi_einj_trigger)); + apei_resources_init(&trigger_resources); + apei_exec_ctx_init(&trigger_ctx, einj_ins_type, + ARRAY_SIZE(einj_ins_type), + trigger_entry, trigger_tab->entry_count); + rc = apei_exec_collect_resources(&trigger_ctx, &trigger_resources); + if (rc) + goto out_fini; + rc = apei_resources_sub(&trigger_resources, &einj_resources); + if (rc) + goto out_fini; + rc = apei_resources_request(&trigger_resources, "APEI EINJ Trigger"); + if (rc) + goto out_fini; + rc = apei_exec_pre_map_gars(&trigger_ctx); + if (rc) + goto out_release; + + rc = apei_exec_run(&trigger_ctx, ACPI_EINJ_TRIGGER_ERROR); + + apei_exec_post_unmap_gars(&trigger_ctx); +out_release: + apei_resources_release(&trigger_resources); +out_fini: + apei_resources_fini(&trigger_resources); +out_rel_entry: + release_mem_region(trigger_paddr + sizeof(*trigger_tab), + table_size - sizeof(*trigger_tab)); +out_rel_header: + release_mem_region(trigger_paddr, sizeof(*trigger_tab)); +out: + if (trigger_tab) + iounmap(trigger_tab); + + return rc; +} + +static int __einj_error_inject(u32 type, u64 param1, u64 param2) +{ + struct apei_exec_context ctx; + u64 val, trigger_paddr, timeout = FIRMWARE_TIMEOUT; + int rc; + + einj_exec_ctx_init(&ctx); + + rc = apei_exec_run(&ctx, ACPI_EINJ_BEGIN_OPERATION); + if (rc) + return rc; + apei_exec_ctx_set_input(&ctx, type); + rc = apei_exec_run(&ctx, ACPI_EINJ_SET_ERROR_TYPE); + if (rc) + return rc; + if (einj_param) { + writeq(param1, &einj_param->param1); + writeq(param2, &einj_param->param2); + } + rc = apei_exec_run(&ctx, ACPI_EINJ_EXECUTE_OPERATION); + if (rc) + return rc; + for (;;) { + rc = apei_exec_run(&ctx, ACPI_EINJ_CHECK_BUSY_STATUS); + if (rc) + return rc; + val = apei_exec_ctx_get_output(&ctx); + if (!(val & EINJ_OP_BUSY)) + break; + if (einj_timedout(&timeout)) + return -EIO; + } + rc = apei_exec_run(&ctx, ACPI_EINJ_GET_COMMAND_STATUS); + if (rc) + return rc; + val = apei_exec_ctx_get_output(&ctx); + if (val != EINJ_STATUS_SUCCESS) + return -EBUSY; + + rc = apei_exec_run(&ctx, ACPI_EINJ_GET_TRIGGER_TABLE); + if (rc) + return rc; + trigger_paddr = apei_exec_ctx_get_output(&ctx); + rc = __einj_error_trigger(trigger_paddr); + if (rc) + return rc; + rc = apei_exec_run(&ctx, ACPI_EINJ_END_OPERATION); + + return rc; +} + +/* Inject the specified hardware error */ +static int einj_error_inject(u32 type, u64 param1, u64 param2) +{ + int rc; + + mutex_lock(&einj_mutex); + rc = __einj_error_inject(type, param1, param2); + mutex_unlock(&einj_mutex); + + return rc; +} + +static u32 error_type; +static u64 error_param1; +static u64 error_param2; +static struct dentry *einj_debug_dir; + +static int available_error_type_show(struct seq_file *m, void *v) +{ + int rc; + u32 available_error_type = 0; + + rc = einj_get_available_error_type(&available_error_type); + if (rc) + return rc; + if (available_error_type & 0x0001) + seq_printf(m, "0x00000001\tProcessor Correctable\n"); + if (available_error_type & 0x0002) + seq_printf(m, "0x00000002\tProcessor Uncorrectable non-fatal\n"); + if (available_error_type & 0x0004) + seq_printf(m, "0x00000004\tProcessor Uncorrectable fatal\n"); + if (available_error_type & 0x0008) + seq_printf(m, "0x00000008\tMemory Correctable\n"); + if (available_error_type & 0x0010) + seq_printf(m, "0x00000010\tMemory Uncorrectable non-fatal\n"); + if (available_error_type & 0x0020) + seq_printf(m, "0x00000020\tMemory Uncorrectable fatal\n"); + if (available_error_type & 0x0040) + seq_printf(m, "0x00000040\tPCI Express Correctable\n"); + if (available_error_type & 0x0080) + seq_printf(m, "0x00000080\tPCI Express Uncorrectable non-fatal\n"); + if (available_error_type & 0x0100) + seq_printf(m, "0x00000100\tPCI Express Uncorrectable fatal\n"); + if (available_error_type & 0x0200) + seq_printf(m, "0x00000200\tPlatform Correctable\n"); + if (available_error_type & 0x0400) + seq_printf(m, "0x00000400\tPlatform Uncorrectable non-fatal\n"); + if (available_error_type & 0x0800) + seq_printf(m, "0x00000800\tPlatform Uncorrectable fatal\n"); + + return 0; +} + +static int available_error_type_open(struct inode *inode, struct file *file) +{ + return single_open(file, available_error_type_show, NULL); +} + +static const struct file_operations available_error_type_fops = { + .open = available_error_type_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int error_type_get(void *data, u64 *val) +{ + *val = error_type; + + return 0; +} + +static int error_type_set(void *data, u64 val) +{ + int rc; + u32 available_error_type = 0; + + /* Only one error type can be specified */ + if (val & (val - 1)) + return -EINVAL; + rc = einj_get_available_error_type(&available_error_type); + if (rc) + return rc; + if (!(val & available_error_type)) + return -EINVAL; + error_type = val; + + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(error_type_fops, error_type_get, + error_type_set, "0x%llx\n"); + +static int error_inject_set(void *data, u64 val) +{ + if (!error_type) + return -EINVAL; + + return einj_error_inject(error_type, error_param1, error_param2); +} + +DEFINE_SIMPLE_ATTRIBUTE(error_inject_fops, NULL, + error_inject_set, "%llu\n"); + +static int einj_check_table(struct acpi_table_einj *einj_tab) +{ + if (einj_tab->header_length != sizeof(struct acpi_table_einj)) + return -EINVAL; + if (einj_tab->header.length < sizeof(struct acpi_table_einj)) + return -EINVAL; + if (einj_tab->entries != + (einj_tab->header.length - sizeof(struct acpi_table_einj)) / + sizeof(struct acpi_einj_entry)) + return -EINVAL; + + return 0; +} + +static int __init einj_init(void) +{ + int rc; + u64 param_paddr; + acpi_status status; + struct dentry *fentry; + struct apei_exec_context ctx; + + if (acpi_disabled) + return -ENODEV; + + status = acpi_get_table(ACPI_SIG_EINJ, 0, + (struct acpi_table_header **)&einj_tab); + if (status == AE_NOT_FOUND) { + pr_info(EINJ_PFX "Table is not found!\n"); + return -ENODEV; + } else if (ACPI_FAILURE(status)) { + const char *msg = acpi_format_exception(status); + pr_err(EINJ_PFX "Failed to get table, %s\n", msg); + return -EINVAL; + } + + rc = einj_check_table(einj_tab); + if (rc) { + pr_warning(FW_BUG EINJ_PFX "EINJ table is invalid\n"); + return -EINVAL; + } + + rc = -ENOMEM; + einj_debug_dir = debugfs_create_dir("einj", apei_get_debugfs_dir()); + if (!einj_debug_dir) + goto err_cleanup; + fentry = debugfs_create_file("available_error_type", S_IRUSR, + einj_debug_dir, NULL, + &available_error_type_fops); + if (!fentry) + goto err_cleanup; + fentry = debugfs_create_file("error_type", S_IRUSR | S_IWUSR, + einj_debug_dir, NULL, &error_type_fops); + if (!fentry) + goto err_cleanup; + fentry = debugfs_create_x64("param1", S_IRUSR | S_IWUSR, + einj_debug_dir, &error_param1); + if (!fentry) + goto err_cleanup; + fentry = debugfs_create_x64("param2", S_IRUSR | S_IWUSR, + einj_debug_dir, &error_param2); + if (!fentry) + goto err_cleanup; + fentry = debugfs_create_file("error_inject", S_IWUSR, + einj_debug_dir, NULL, &error_inject_fops); + if (!fentry) + goto err_cleanup; + + apei_resources_init(&einj_resources); + einj_exec_ctx_init(&ctx); + rc = apei_exec_collect_resources(&ctx, &einj_resources); + if (rc) + goto err_fini; + rc = apei_resources_request(&einj_resources, "APEI EINJ"); + if (rc) + goto err_fini; + rc = apei_exec_pre_map_gars(&ctx); + if (rc) + goto err_release; + param_paddr = einj_get_parameter_address(); + if (param_paddr) { + einj_param = ioremap(param_paddr, sizeof(*einj_param)); + rc = -ENOMEM; + if (!einj_param) + goto err_unmap; + } + + pr_info(EINJ_PFX "Error INJection is initialized.\n"); + + return 0; + +err_unmap: + apei_exec_post_unmap_gars(&ctx); +err_release: + apei_resources_release(&einj_resources); +err_fini: + apei_resources_fini(&einj_resources); +err_cleanup: + debugfs_remove_recursive(einj_debug_dir); + + return rc; +} + +static void __exit einj_exit(void) +{ + struct apei_exec_context ctx; + + if (einj_param) + iounmap(einj_param); + einj_exec_ctx_init(&ctx); + apei_exec_post_unmap_gars(&ctx); + apei_resources_release(&einj_resources); + apei_resources_fini(&einj_resources); + debugfs_remove_recursive(einj_debug_dir); +} + +module_init(einj_init); +module_exit(einj_exit); + +MODULE_AUTHOR("Huang Ying"); +MODULE_DESCRIPTION("APEI Error INJection support"); +MODULE_LICENSE("GPL"); diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c new file mode 100644 index 000000000000..2ebc39115507 --- /dev/null +++ b/drivers/acpi/apei/erst.c @@ -0,0 +1,855 @@ +/* + * APEI Error Record Serialization Table support + * + * ERST is a way provided by APEI to save and retrieve hardware error + * infomation to and from a persistent store. + * + * For more information about ERST, please refer to ACPI Specification + * version 4.0, section 17.4. + * + * Copyright 2010 Intel Corp. + * Author: Huang Ying <ying.huang@intel.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/io.h> +#include <linux/acpi.h> +#include <linux/uaccess.h> +#include <linux/cper.h> +#include <linux/nmi.h> +#include <acpi/apei.h> + +#include "apei-internal.h" + +#define ERST_PFX "ERST: " + +/* ERST command status */ +#define ERST_STATUS_SUCCESS 0x0 +#define ERST_STATUS_NOT_ENOUGH_SPACE 0x1 +#define ERST_STATUS_HARDWARE_NOT_AVAILABLE 0x2 +#define ERST_STATUS_FAILED 0x3 +#define ERST_STATUS_RECORD_STORE_EMPTY 0x4 +#define ERST_STATUS_RECORD_NOT_FOUND 0x5 + +#define ERST_TAB_ENTRY(tab) \ + ((struct acpi_whea_header *)((char *)(tab) + \ + sizeof(struct acpi_table_erst))) + +#define SPIN_UNIT 100 /* 100ns */ +/* Firmware should respond within 1 miliseconds */ +#define FIRMWARE_TIMEOUT (1 * NSEC_PER_MSEC) +#define FIRMWARE_MAX_STALL 50 /* 50us */ + +int erst_disable; +EXPORT_SYMBOL_GPL(erst_disable); + +static struct acpi_table_erst *erst_tab; + +/* ERST Error Log Address Range atrributes */ +#define ERST_RANGE_RESERVED 0x0001 +#define ERST_RANGE_NVRAM 0x0002 +#define ERST_RANGE_SLOW 0x0004 + +/* + * ERST Error Log Address Range, used as buffer for reading/writing + * error records. + */ +static struct erst_erange { + u64 base; + u64 size; + void __iomem *vaddr; + u32 attr; +} erst_erange; + +/* + * Prevent ERST interpreter to run simultaneously, because the + * corresponding firmware implementation may not work properly when + * invoked simultaneously. + * + * It is used to provide exclusive accessing for ERST Error Log + * Address Range too. + */ +static DEFINE_SPINLOCK(erst_lock); + +static inline int erst_errno(int command_status) +{ + switch (command_status) { + case ERST_STATUS_SUCCESS: + return 0; + case ERST_STATUS_HARDWARE_NOT_AVAILABLE: + return -ENODEV; + case ERST_STATUS_NOT_ENOUGH_SPACE: + return -ENOSPC; + case ERST_STATUS_RECORD_STORE_EMPTY: + case ERST_STATUS_RECORD_NOT_FOUND: + return -ENOENT; + default: + return -EINVAL; + } +} + +static int erst_timedout(u64 *t, u64 spin_unit) +{ + if ((s64)*t < spin_unit) { + pr_warning(FW_WARN ERST_PFX + "Firmware does not respond in time\n"); + return 1; + } + *t -= spin_unit; + ndelay(spin_unit); + touch_nmi_watchdog(); + return 0; +} + +static int erst_exec_load_var1(struct apei_exec_context *ctx, + struct acpi_whea_header *entry) +{ + return __apei_exec_read_register(entry, &ctx->var1); +} + +static int erst_exec_load_var2(struct apei_exec_context *ctx, + struct acpi_whea_header *entry) +{ + return __apei_exec_read_register(entry, &ctx->var2); +} + +static int erst_exec_store_var1(struct apei_exec_context *ctx, + struct acpi_whea_header *entry) +{ + return __apei_exec_write_register(entry, ctx->var1); +} + +static int erst_exec_add(struct apei_exec_context *ctx, + struct acpi_whea_header *entry) +{ + ctx->var1 += ctx->var2; + return 0; +} + +static int erst_exec_subtract(struct apei_exec_context *ctx, + struct acpi_whea_header *entry) +{ + ctx->var1 -= ctx->var2; + return 0; +} + +static int erst_exec_add_value(struct apei_exec_context *ctx, + struct acpi_whea_header *entry) +{ + int rc; + u64 val; + + rc = __apei_exec_read_register(entry, &val); + if (rc) + return rc; + val += ctx->value; + rc = __apei_exec_write_register(entry, val); + return rc; +} + +static int erst_exec_subtract_value(struct apei_exec_context *ctx, + struct acpi_whea_header *entry) +{ + int rc; + u64 val; + + rc = __apei_exec_read_register(entry, &val); + if (rc) + return rc; + val -= ctx->value; + rc = __apei_exec_write_register(entry, val); + return rc; +} + +static int erst_exec_stall(struct apei_exec_context *ctx, + struct acpi_whea_header *entry) +{ + u64 stall_time; + + if (ctx->value > FIRMWARE_MAX_STALL) { + if (!in_nmi()) + pr_warning(FW_WARN ERST_PFX + "Too long stall time for stall instruction: %llx.\n", + ctx->value); + stall_time = FIRMWARE_MAX_STALL; + } else + stall_time = ctx->value; + udelay(stall_time); + return 0; +} + +static int erst_exec_stall_while_true(struct apei_exec_context *ctx, + struct acpi_whea_header *entry) +{ + int rc; + u64 val; + u64 timeout = FIRMWARE_TIMEOUT; + u64 stall_time; + + if (ctx->var1 > FIRMWARE_MAX_STALL) { + if (!in_nmi()) + pr_warning(FW_WARN ERST_PFX + "Too long stall time for stall while true instruction: %llx.\n", + ctx->var1); + stall_time = FIRMWARE_MAX_STALL; + } else + stall_time = ctx->var1; + + for (;;) { + rc = __apei_exec_read_register(entry, &val); + if (rc) + return rc; + if (val != ctx->value) + break; + if (erst_timedout(&timeout, stall_time * NSEC_PER_USEC)) + return -EIO; + } + return 0; +} + +static int erst_exec_skip_next_instruction_if_true( + struct apei_exec_context *ctx, + struct acpi_whea_header *entry) +{ + int rc; + u64 val; + + rc = __apei_exec_read_register(entry, &val); + if (rc) + return rc; + if (val == ctx->value) { + ctx->ip += 2; + return APEI_EXEC_SET_IP; + } + + return 0; +} + +static int erst_exec_goto(struct apei_exec_context *ctx, + struct acpi_whea_header *entry) +{ + ctx->ip = ctx->value; + return APEI_EXEC_SET_IP; +} + +static int erst_exec_set_src_address_base(struct apei_exec_context *ctx, + struct acpi_whea_header *entry) +{ + return __apei_exec_read_register(entry, &ctx->src_base); +} + +static int erst_exec_set_dst_address_base(struct apei_exec_context *ctx, + struct acpi_whea_header *entry) +{ + return __apei_exec_read_register(entry, &ctx->dst_base); +} + +static int erst_exec_move_data(struct apei_exec_context *ctx, + struct acpi_whea_header *entry) +{ + int rc; + u64 offset; + + rc = __apei_exec_read_register(entry, &offset); + if (rc) + return rc; + memmove((void *)ctx->dst_base + offset, + (void *)ctx->src_base + offset, + ctx->var2); + + return 0; +} + +static struct apei_exec_ins_type erst_ins_type[] = { + [ACPI_ERST_READ_REGISTER] = { + .flags = APEI_EXEC_INS_ACCESS_REGISTER, + .run = apei_exec_read_register, + }, + [ACPI_ERST_READ_REGISTER_VALUE] = { + .flags = APEI_EXEC_INS_ACCESS_REGISTER, + .run = apei_exec_read_register_value, + }, + [ACPI_ERST_WRITE_REGISTER] = { + .flags = APEI_EXEC_INS_ACCESS_REGISTER, + .run = apei_exec_write_register, + }, + [ACPI_ERST_WRITE_REGISTER_VALUE] = { + .flags = APEI_EXEC_INS_ACCESS_REGISTER, + .run = apei_exec_write_register_value, + }, + [ACPI_ERST_NOOP] = { + .flags = 0, + .run = apei_exec_noop, + }, + [ACPI_ERST_LOAD_VAR1] = { + .flags = APEI_EXEC_INS_ACCESS_REGISTER, + .run = erst_exec_load_var1, + }, + [ACPI_ERST_LOAD_VAR2] = { + .flags = APEI_EXEC_INS_ACCESS_REGISTER, + .run = erst_exec_load_var2, + }, + [ACPI_ERST_STORE_VAR1] = { + .flags = APEI_EXEC_INS_ACCESS_REGISTER, + .run = erst_exec_store_var1, + }, + [ACPI_ERST_ADD] = { + .flags = 0, + .run = erst_exec_add, + }, + [ACPI_ERST_SUBTRACT] = { + .flags = 0, + .run = erst_exec_subtract, + }, + [ACPI_ERST_ADD_VALUE] = { + .flags = APEI_EXEC_INS_ACCESS_REGISTER, + .run = erst_exec_add_value, + }, + [ACPI_ERST_SUBTRACT_VALUE] = { + .flags = APEI_EXEC_INS_ACCESS_REGISTER, + .run = erst_exec_subtract_value, + }, + [ACPI_ERST_STALL] = { + .flags = 0, + .run = erst_exec_stall, + }, + [ACPI_ERST_STALL_WHILE_TRUE] = { + .flags = APEI_EXEC_INS_ACCESS_REGISTER, + .run = erst_exec_stall_while_true, + }, + [ACPI_ERST_SKIP_NEXT_IF_TRUE] = { + .flags = APEI_EXEC_INS_ACCESS_REGISTER, + .run = erst_exec_skip_next_instruction_if_true, + }, + [ACPI_ERST_GOTO] = { + .flags = 0, + .run = erst_exec_goto, + }, + [ACPI_ERST_SET_SRC_ADDRESS_BASE] = { + .flags = APEI_EXEC_INS_ACCESS_REGISTER, + .run = erst_exec_set_src_address_base, + }, + [ACPI_ERST_SET_DST_ADDRESS_BASE] = { + .flags = APEI_EXEC_INS_ACCESS_REGISTER, + .run = erst_exec_set_dst_address_base, + }, + [ACPI_ERST_MOVE_DATA] = { + .flags = APEI_EXEC_INS_ACCESS_REGISTER, + .run = erst_exec_move_data, + }, +}; + +static inline void erst_exec_ctx_init(struct apei_exec_context *ctx) +{ + apei_exec_ctx_init(ctx, erst_ins_type, ARRAY_SIZE(erst_ins_type), + ERST_TAB_ENTRY(erst_tab), erst_tab->entries); +} + +static int erst_get_erange(struct erst_erange *range) +{ + struct apei_exec_context ctx; + int rc; + + erst_exec_ctx_init(&ctx); + rc = apei_exec_run(&ctx, ACPI_ERST_GET_ERROR_RANGE); + if (rc) + return rc; + range->base = apei_exec_ctx_get_output(&ctx); + rc = apei_exec_run(&ctx, ACPI_ERST_GET_ERROR_LENGTH); + if (rc) + return rc; + range->size = apei_exec_ctx_get_output(&ctx); + rc = apei_exec_run(&ctx, ACPI_ERST_GET_ERROR_ATTRIBUTES); + if (rc) + return rc; + range->attr = apei_exec_ctx_get_output(&ctx); + + return 0; +} + +static ssize_t __erst_get_record_count(void) +{ + struct apei_exec_context ctx; + int rc; + + erst_exec_ctx_init(&ctx); + rc = apei_exec_run(&ctx, ACPI_ERST_GET_RECORD_COUNT); + if (rc) + return rc; + return apei_exec_ctx_get_output(&ctx); +} + +ssize_t erst_get_record_count(void) +{ + ssize_t count; + unsigned long flags; + + if (erst_disable) + return -ENODEV; + + spin_lock_irqsave(&erst_lock, flags); + count = __erst_get_record_count(); + spin_unlock_irqrestore(&erst_lock, flags); + + return count; +} +EXPORT_SYMBOL_GPL(erst_get_record_count); + +static int __erst_get_next_record_id(u64 *record_id) +{ + struct apei_exec_context ctx; + int rc; + + erst_exec_ctx_init(&ctx); + rc = apei_exec_run(&ctx, ACPI_ERST_GET_RECORD_ID); + if (rc) + return rc; + *record_id = apei_exec_ctx_get_output(&ctx); + + return 0; +} + +/* + * Get the record ID of an existing error record on the persistent + * storage. If there is no error record on the persistent storage, the + * returned record_id is APEI_ERST_INVALID_RECORD_ID. + */ +int erst_get_next_record_id(u64 *record_id) +{ + int rc; + unsigned long flags; + + if (erst_disable) + return -ENODEV; + + spin_lock_irqsave(&erst_lock, flags); + rc = __erst_get_next_record_id(record_id); + spin_unlock_irqrestore(&erst_lock, flags); + + return rc; +} +EXPORT_SYMBOL_GPL(erst_get_next_record_id); + +static int __erst_write_to_storage(u64 offset) +{ + struct apei_exec_context ctx; + u64 timeout = FIRMWARE_TIMEOUT; + u64 val; + int rc; + + erst_exec_ctx_init(&ctx); + rc = apei_exec_run(&ctx, ACPI_ERST_BEGIN_WRITE); + if (rc) + return rc; + apei_exec_ctx_set_input(&ctx, offset); + rc = apei_exec_run(&ctx, ACPI_ERST_SET_RECORD_OFFSET); + if (rc) + return rc; + rc = apei_exec_run(&ctx, ACPI_ERST_EXECUTE_OPERATION); + if (rc) + return rc; + for (;;) { + rc = apei_exec_run(&ctx, ACPI_ERST_CHECK_BUSY_STATUS); + if (rc) + return rc; + val = apei_exec_ctx_get_output(&ctx); + if (!val) + break; + if (erst_timedout(&timeout, SPIN_UNIT)) + return -EIO; + } + rc = apei_exec_run(&ctx, ACPI_ERST_GET_COMMAND_STATUS); + if (rc) + return rc; + val = apei_exec_ctx_get_output(&ctx); + rc = apei_exec_run(&ctx, ACPI_ERST_END); + if (rc) + return rc; + + return erst_errno(val); +} + +static int __erst_read_from_storage(u64 record_id, u64 offset) +{ + struct apei_exec_context ctx; + u64 timeout = FIRMWARE_TIMEOUT; + u64 val; + int rc; + + erst_exec_ctx_init(&ctx); + rc = apei_exec_run(&ctx, ACPI_ERST_BEGIN_READ); + if (rc) + return rc; + apei_exec_ctx_set_input(&ctx, offset); + rc = apei_exec_run(&ctx, ACPI_ERST_SET_RECORD_OFFSET); + if (rc) + return rc; + apei_exec_ctx_set_input(&ctx, record_id); + rc = apei_exec_run(&ctx, ACPI_ERST_SET_RECORD_ID); + if (rc) + return rc; + rc = apei_exec_run(&ctx, ACPI_ERST_EXECUTE_OPERATION); + if (rc) + return rc; + for (;;) { + rc = apei_exec_run(&ctx, ACPI_ERST_CHECK_BUSY_STATUS); + if (rc) + return rc; + val = apei_exec_ctx_get_output(&ctx); + if (!val) + break; + if (erst_timedout(&timeout, SPIN_UNIT)) + return -EIO; + }; + rc = apei_exec_run(&ctx, ACPI_ERST_GET_COMMAND_STATUS); + if (rc) + return rc; + val = apei_exec_ctx_get_output(&ctx); + rc = apei_exec_run(&ctx, ACPI_ERST_END); + if (rc) + return rc; + + return erst_errno(val); +} + +static int __erst_clear_from_storage(u64 record_id) +{ + struct apei_exec_context ctx; + u64 timeout = FIRMWARE_TIMEOUT; + u64 val; + int rc; + + erst_exec_ctx_init(&ctx); + rc = apei_exec_run(&ctx, ACPI_ERST_BEGIN_CLEAR); + if (rc) + return rc; + apei_exec_ctx_set_input(&ctx, record_id); + rc = apei_exec_run(&ctx, ACPI_ERST_SET_RECORD_ID); + if (rc) + return rc; + rc = apei_exec_run(&ctx, ACPI_ERST_EXECUTE_OPERATION); + if (rc) + return rc; + for (;;) { + rc = apei_exec_run(&ctx, ACPI_ERST_CHECK_BUSY_STATUS); + if (rc) + return rc; + val = apei_exec_ctx_get_output(&ctx); + if (!val) + break; + if (erst_timedout(&timeout, SPIN_UNIT)) + return -EIO; + } + rc = apei_exec_run(&ctx, ACPI_ERST_GET_COMMAND_STATUS); + if (rc) + return rc; + val = apei_exec_ctx_get_output(&ctx); + rc = apei_exec_run(&ctx, ACPI_ERST_END); + if (rc) + return rc; + + return erst_errno(val); +} + +/* NVRAM ERST Error Log Address Range is not supported yet */ +static void pr_unimpl_nvram(void) +{ + if (printk_ratelimit()) + pr_warning(ERST_PFX + "NVRAM ERST Log Address Range is not implemented yet\n"); +} + +static int __erst_write_to_nvram(const struct cper_record_header *record) +{ + /* do not print message, because printk is not safe for NMI */ + return -ENOSYS; +} + +static int __erst_read_to_erange_from_nvram(u64 record_id, u64 *offset) +{ + pr_unimpl_nvram(); + return -ENOSYS; +} + +static int __erst_clear_from_nvram(u64 record_id) +{ + pr_unimpl_nvram(); + return -ENOSYS; +} + +int erst_write(const struct cper_record_header *record) +{ + int rc; + unsigned long flags; + struct cper_record_header *rcd_erange; + + if (erst_disable) + return -ENODEV; + + if (memcmp(record->signature, CPER_SIG_RECORD, CPER_SIG_SIZE)) + return -EINVAL; + + if (erst_erange.attr & ERST_RANGE_NVRAM) { + if (!spin_trylock_irqsave(&erst_lock, flags)) + return -EBUSY; + rc = __erst_write_to_nvram(record); + spin_unlock_irqrestore(&erst_lock, flags); + return rc; + } + + if (record->record_length > erst_erange.size) + return -EINVAL; + + if (!spin_trylock_irqsave(&erst_lock, flags)) + return -EBUSY; + memcpy(erst_erange.vaddr, record, record->record_length); + rcd_erange = erst_erange.vaddr; + /* signature for serialization system */ + memcpy(&rcd_erange->persistence_information, "ER", 2); + + rc = __erst_write_to_storage(0); + spin_unlock_irqrestore(&erst_lock, flags); + + return rc; +} +EXPORT_SYMBOL_GPL(erst_write); + +static int __erst_read_to_erange(u64 record_id, u64 *offset) +{ + int rc; + + if (erst_erange.attr & ERST_RANGE_NVRAM) + return __erst_read_to_erange_from_nvram( + record_id, offset); + + rc = __erst_read_from_storage(record_id, 0); + if (rc) + return rc; + *offset = 0; + + return 0; +} + +static ssize_t __erst_read(u64 record_id, struct cper_record_header *record, + size_t buflen) +{ + int rc; + u64 offset, len = 0; + struct cper_record_header *rcd_tmp; + + rc = __erst_read_to_erange(record_id, &offset); + if (rc) + return rc; + rcd_tmp = erst_erange.vaddr + offset; + len = rcd_tmp->record_length; + if (len <= buflen) + memcpy(record, rcd_tmp, len); + + return len; +} + +/* + * If return value > buflen, the buffer size is not big enough, + * else if return value < 0, something goes wrong, + * else everything is OK, and return value is record length + */ +ssize_t erst_read(u64 record_id, struct cper_record_header *record, + size_t buflen) +{ + ssize_t len; + unsigned long flags; + + if (erst_disable) + return -ENODEV; + + spin_lock_irqsave(&erst_lock, flags); + len = __erst_read(record_id, record, buflen); + spin_unlock_irqrestore(&erst_lock, flags); + return len; +} +EXPORT_SYMBOL_GPL(erst_read); + +/* + * If return value > buflen, the buffer size is not big enough, + * else if return value = 0, there is no more record to read, + * else if return value < 0, something goes wrong, + * else everything is OK, and return value is record length + */ +ssize_t erst_read_next(struct cper_record_header *record, size_t buflen) +{ + int rc; + ssize_t len; + unsigned long flags; + u64 record_id; + + if (erst_disable) + return -ENODEV; + + spin_lock_irqsave(&erst_lock, flags); + rc = __erst_get_next_record_id(&record_id); + if (rc) { + spin_unlock_irqrestore(&erst_lock, flags); + return rc; + } + /* no more record */ + if (record_id == APEI_ERST_INVALID_RECORD_ID) { + spin_unlock_irqrestore(&erst_lock, flags); + return 0; + } + + len = __erst_read(record_id, record, buflen); + spin_unlock_irqrestore(&erst_lock, flags); + + return len; +} +EXPORT_SYMBOL_GPL(erst_read_next); + +int erst_clear(u64 record_id) +{ + int rc; + unsigned long flags; + + if (erst_disable) + return -ENODEV; + + spin_lock_irqsave(&erst_lock, flags); + if (erst_erange.attr & ERST_RANGE_NVRAM) + rc = __erst_clear_from_nvram(record_id); + else + rc = __erst_clear_from_storage(record_id); + spin_unlock_irqrestore(&erst_lock, flags); + + return rc; +} +EXPORT_SYMBOL_GPL(erst_clear); + +static int __init setup_erst_disable(char *str) +{ + erst_disable = 1; + return 0; +} + +__setup("erst_disable", setup_erst_disable); + +static int erst_check_table(struct acpi_table_erst *erst_tab) +{ + if (erst_tab->header_length != sizeof(struct acpi_table_erst)) + return -EINVAL; + if (erst_tab->header.length < sizeof(struct acpi_table_erst)) + return -EINVAL; + if (erst_tab->entries != + (erst_tab->header.length - sizeof(struct acpi_table_erst)) / + sizeof(struct acpi_erst_entry)) + return -EINVAL; + + return 0; +} + +static int __init erst_init(void) +{ + int rc = 0; + acpi_status status; + struct apei_exec_context ctx; + struct apei_resources erst_resources; + struct resource *r; + + if (acpi_disabled) + goto err; + + if (erst_disable) { + pr_info(ERST_PFX + "Error Record Serialization Table (ERST) support is disabled.\n"); + goto err; + } + + status = acpi_get_table(ACPI_SIG_ERST, 0, + (struct acpi_table_header **)&erst_tab); + if (status == AE_NOT_FOUND) { + pr_err(ERST_PFX "Table is not found!\n"); + goto err; + } else if (ACPI_FAILURE(status)) { + const char *msg = acpi_format_exception(status); + pr_err(ERST_PFX "Failed to get table, %s\n", msg); + rc = -EINVAL; + goto err; + } + + rc = erst_check_table(erst_tab); + if (rc) { + pr_err(FW_BUG ERST_PFX "ERST table is invalid\n"); + goto err; + } + + apei_resources_init(&erst_resources); + erst_exec_ctx_init(&ctx); + rc = apei_exec_collect_resources(&ctx, &erst_resources); + if (rc) + goto err_fini; + rc = apei_resources_request(&erst_resources, "APEI ERST"); + if (rc) + goto err_fini; + rc = apei_exec_pre_map_gars(&ctx); + if (rc) + goto err_release; + rc = erst_get_erange(&erst_erange); + if (rc) { + if (rc == -ENODEV) + pr_info(ERST_PFX + "The corresponding hardware device or firmware implementation " + "is not available.\n"); + else + pr_err(ERST_PFX + "Failed to get Error Log Address Range.\n"); + goto err_unmap_reg; + } + + r = request_mem_region(erst_erange.base, erst_erange.size, "APEI ERST"); + if (!r) { + pr_err(ERST_PFX + "Can not request iomem region <0x%16llx-0x%16llx> for ERST.\n", + (unsigned long long)erst_erange.base, + (unsigned long long)erst_erange.base + erst_erange.size); + rc = -EIO; + goto err_unmap_reg; + } + rc = -ENOMEM; + erst_erange.vaddr = ioremap_cache(erst_erange.base, + erst_erange.size); + if (!erst_erange.vaddr) + goto err_release_erange; + + pr_info(ERST_PFX + "Error Record Serialization Table (ERST) support is initialized.\n"); + + return 0; + +err_release_erange: + release_mem_region(erst_erange.base, erst_erange.size); +err_unmap_reg: + apei_exec_post_unmap_gars(&ctx); +err_release: + apei_resources_release(&erst_resources); +err_fini: + apei_resources_fini(&erst_resources); +err: + erst_disable = 1; + return rc; +} + +device_initcall(erst_init); diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c new file mode 100644 index 000000000000..fd0cc016a099 --- /dev/null +++ b/drivers/acpi/apei/ghes.c @@ -0,0 +1,427 @@ +/* + * APEI Generic Hardware Error Source support + * + * Generic Hardware Error Source provides a way to report platform + * hardware errors (such as that from chipset). It works in so called + * "Firmware First" mode, that is, hardware errors are reported to + * firmware firstly, then reported to Linux by firmware. This way, + * some non-standard hardware error registers or non-standard hardware + * link can be checked by firmware to produce more hardware error + * information for Linux. + * + * For more information about Generic Hardware Error Source, please + * refer to ACPI Specification version 4.0, section 17.3.2.6 + * + * Now, only SCI notification type and memory errors are + * supported. More notification type and hardware error type will be + * added later. + * + * Copyright 2010 Intel Corp. + * Author: Huang Ying <ying.huang@intel.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation; + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/acpi.h> +#include <linux/io.h> +#include <linux/interrupt.h> +#include <linux/cper.h> +#include <linux/kdebug.h> +#include <acpi/apei.h> +#include <acpi/atomicio.h> +#include <acpi/hed.h> +#include <asm/mce.h> + +#include "apei-internal.h" + +#define GHES_PFX "GHES: " + +#define GHES_ESTATUS_MAX_SIZE 65536 + +/* + * One struct ghes is created for each generic hardware error + * source. + * + * It provides the context for APEI hardware error timer/IRQ/SCI/NMI + * handler. Handler for one generic hardware error source is only + * triggered after the previous one is done. So handler can uses + * struct ghes without locking. + * + * estatus: memory buffer for error status block, allocated during + * HEST parsing. + */ +#define GHES_TO_CLEAR 0x0001 + +struct ghes { + struct acpi_hest_generic *generic; + struct acpi_hest_generic_status *estatus; + struct list_head list; + u64 buffer_paddr; + unsigned long flags; +}; + +/* + * Error source lists, one list for each notification method. The + * members in lists are struct ghes. + * + * The list members are only added in HEST parsing and deleted during + * module_exit, that is, single-threaded. So no lock is needed for + * that. + * + * But the mutual exclusion is needed between members adding/deleting + * and timer/IRQ/SCI/NMI handler, which may traverse the list. RCU is + * used for that. + */ +static LIST_HEAD(ghes_sci); + +static struct ghes *ghes_new(struct acpi_hest_generic *generic) +{ + struct ghes *ghes; + unsigned int error_block_length; + int rc; + + ghes = kzalloc(sizeof(*ghes), GFP_KERNEL); + if (!ghes) + return ERR_PTR(-ENOMEM); + ghes->generic = generic; + INIT_LIST_HEAD(&ghes->list); + rc = acpi_pre_map_gar(&generic->error_status_address); + if (rc) + goto err_free; + error_block_length = generic->error_block_length; + if (error_block_length > GHES_ESTATUS_MAX_SIZE) { + pr_warning(FW_WARN GHES_PFX + "Error status block length is too long: %u for " + "generic hardware error source: %d.\n", + error_block_length, generic->header.source_id); + error_block_length = GHES_ESTATUS_MAX_SIZE; + } + ghes->estatus = kmalloc(error_block_length, GFP_KERNEL); + if (!ghes->estatus) { + rc = -ENOMEM; + goto err_unmap; + } + + return ghes; + +err_unmap: + acpi_post_unmap_gar(&generic->error_status_address); +err_free: + kfree(ghes); + return ERR_PTR(rc); +} + +static void ghes_fini(struct ghes *ghes) +{ + kfree(ghes->estatus); + acpi_post_unmap_gar(&ghes->generic->error_status_address); +} + +enum { + GHES_SER_NO = 0x0, + GHES_SER_CORRECTED = 0x1, + GHES_SER_RECOVERABLE = 0x2, + GHES_SER_PANIC = 0x3, +}; + +static inline int ghes_severity(int severity) +{ + switch (severity) { + case CPER_SER_INFORMATIONAL: + return GHES_SER_NO; + case CPER_SER_CORRECTED: + return GHES_SER_CORRECTED; + case CPER_SER_RECOVERABLE: + return GHES_SER_RECOVERABLE; + case CPER_SER_FATAL: + return GHES_SER_PANIC; + default: + /* Unkown, go panic */ + return GHES_SER_PANIC; + } +} + +/* SCI handler run in work queue, so ioremap can be used here */ +static int ghes_copy_tofrom_phys(void *buffer, u64 paddr, u32 len, + int from_phys) +{ + void *vaddr; + + vaddr = ioremap_cache(paddr, len); + if (!vaddr) + return -ENOMEM; + if (from_phys) + memcpy(buffer, vaddr, len); + else + memcpy(vaddr, buffer, len); + iounmap(vaddr); + + return 0; +} + +static int ghes_read_estatus(struct ghes *ghes, int silent) +{ + struct acpi_hest_generic *g = ghes->generic; + u64 buf_paddr; + u32 len; + int rc; + + rc = acpi_atomic_read(&buf_paddr, &g->error_status_address); + if (rc) { + if (!silent && printk_ratelimit()) + pr_warning(FW_WARN GHES_PFX +"Failed to read error status block address for hardware error source: %d.\n", + g->header.source_id); + return -EIO; + } + if (!buf_paddr) + return -ENOENT; + + rc = ghes_copy_tofrom_phys(ghes->estatus, buf_paddr, + sizeof(*ghes->estatus), 1); + if (rc) + return rc; + if (!ghes->estatus->block_status) + return -ENOENT; + + ghes->buffer_paddr = buf_paddr; + ghes->flags |= GHES_TO_CLEAR; + + rc = -EIO; + len = apei_estatus_len(ghes->estatus); + if (len < sizeof(*ghes->estatus)) + goto err_read_block; + if (len > ghes->generic->error_block_length) + goto err_read_block; + if (apei_estatus_check_header(ghes->estatus)) + goto err_read_block; + rc = ghes_copy_tofrom_phys(ghes->estatus + 1, + buf_paddr + sizeof(*ghes->estatus), + len - sizeof(*ghes->estatus), 1); + if (rc) + return rc; + if (apei_estatus_check(ghes->estatus)) + goto err_read_block; + rc = 0; + +err_read_block: + if (rc && !silent) + pr_warning(FW_WARN GHES_PFX + "Failed to read error status block!\n"); + return rc; +} + +static void ghes_clear_estatus(struct ghes *ghes) +{ + ghes->estatus->block_status = 0; + if (!(ghes->flags & GHES_TO_CLEAR)) + return; + ghes_copy_tofrom_phys(ghes->estatus, ghes->buffer_paddr, + sizeof(ghes->estatus->block_status), 0); + ghes->flags &= ~GHES_TO_CLEAR; +} + +static void ghes_do_proc(struct ghes *ghes) +{ + int ser, processed = 0; + struct acpi_hest_generic_data *gdata; + + ser = ghes_severity(ghes->estatus->error_severity); + apei_estatus_for_each_section(ghes->estatus, gdata) { +#ifdef CONFIG_X86_MCE + if (!uuid_le_cmp(*(uuid_le *)gdata->section_type, + CPER_SEC_PLATFORM_MEM)) { + apei_mce_report_mem_error( + ser == GHES_SER_CORRECTED, + (struct cper_sec_mem_err *)(gdata+1)); + processed = 1; + } +#endif + } + + if (!processed && printk_ratelimit()) + pr_warning(GHES_PFX + "Unknown error record from generic hardware error source: %d\n", + ghes->generic->header.source_id); +} + +static int ghes_proc(struct ghes *ghes) +{ + int rc; + + rc = ghes_read_estatus(ghes, 0); + if (rc) + goto out; + ghes_do_proc(ghes); + +out: + ghes_clear_estatus(ghes); + return 0; +} + +static int ghes_notify_sci(struct notifier_block *this, + unsigned long event, void *data) +{ + struct ghes *ghes; + int ret = NOTIFY_DONE; + + rcu_read_lock(); + list_for_each_entry_rcu(ghes, &ghes_sci, list) { + if (!ghes_proc(ghes)) + ret = NOTIFY_OK; + } + rcu_read_unlock(); + + return ret; +} + +static struct notifier_block ghes_notifier_sci = { + .notifier_call = ghes_notify_sci, +}; + +static int hest_ghes_parse(struct acpi_hest_header *hest_hdr, void *data) +{ + struct acpi_hest_generic *generic; + struct ghes *ghes = NULL; + int rc = 0; + + if (hest_hdr->type != ACPI_HEST_TYPE_GENERIC_ERROR) + return 0; + + generic = (struct acpi_hest_generic *)hest_hdr; + if (!generic->enabled) + return 0; + + if (generic->error_block_length < + sizeof(struct acpi_hest_generic_status)) { + pr_warning(FW_BUG GHES_PFX +"Invalid error block length: %u for generic hardware error source: %d\n", + generic->error_block_length, + generic->header.source_id); + goto err; + } + if (generic->records_to_preallocate == 0) { + pr_warning(FW_BUG GHES_PFX +"Invalid records to preallocate: %u for generic hardware error source: %d\n", + generic->records_to_preallocate, + generic->header.source_id); + goto err; + } + ghes = ghes_new(generic); + if (IS_ERR(ghes)) { + rc = PTR_ERR(ghes); + ghes = NULL; + goto err; + } + switch (generic->notify.type) { + case ACPI_HEST_NOTIFY_POLLED: + pr_warning(GHES_PFX +"Generic hardware error source: %d notified via POLL is not supported!\n", + generic->header.source_id); + break; + case ACPI_HEST_NOTIFY_EXTERNAL: + case ACPI_HEST_NOTIFY_LOCAL: + pr_warning(GHES_PFX +"Generic hardware error source: %d notified via IRQ is not supported!\n", + generic->header.source_id); + break; + case ACPI_HEST_NOTIFY_SCI: + if (list_empty(&ghes_sci)) + register_acpi_hed_notifier(&ghes_notifier_sci); + list_add_rcu(&ghes->list, &ghes_sci); + break; + case ACPI_HEST_NOTIFY_NMI: + pr_warning(GHES_PFX +"Generic hardware error source: %d notified via NMI is not supported!\n", + generic->header.source_id); + break; + default: + pr_warning(FW_WARN GHES_PFX + "Unknown notification type: %u for generic hardware error source: %d\n", + generic->notify.type, generic->header.source_id); + break; + } + + return 0; +err: + if (ghes) + ghes_fini(ghes); + return rc; +} + +static void ghes_cleanup(void) +{ + struct ghes *ghes, *nghes; + + if (!list_empty(&ghes_sci)) + unregister_acpi_hed_notifier(&ghes_notifier_sci); + + synchronize_rcu(); + + list_for_each_entry_safe(ghes, nghes, &ghes_sci, list) { + list_del(&ghes->list); + ghes_fini(ghes); + kfree(ghes); + } +} + +static int __init ghes_init(void) +{ + int rc; + + if (acpi_disabled) + return -ENODEV; + + if (hest_disable) { + pr_info(GHES_PFX "HEST is not enabled!\n"); + return -EINVAL; + } + + rc = apei_hest_parse(hest_ghes_parse, NULL); + if (rc) { + pr_err(GHES_PFX + "Error during parsing HEST generic hardware error sources.\n"); + goto err_cleanup; + } + + if (list_empty(&ghes_sci)) { + pr_info(GHES_PFX + "No functional generic hardware error sources.\n"); + rc = -ENODEV; + goto err_cleanup; + } + + pr_info(GHES_PFX + "Generic Hardware Error Source support is initialized.\n"); + + return 0; +err_cleanup: + ghes_cleanup(); + return rc; +} + +static void __exit ghes_exit(void) +{ + ghes_cleanup(); +} + +module_init(ghes_init); +module_exit(ghes_exit); + +MODULE_AUTHOR("Huang Ying"); +MODULE_DESCRIPTION("APEI Generic Hardware Error Source support"); +MODULE_LICENSE("GPL"); diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c new file mode 100644 index 000000000000..e7f40d362cb3 --- /dev/null +++ b/drivers/acpi/apei/hest.c @@ -0,0 +1,173 @@ +/* + * APEI Hardware Error Souce Table support + * + * HEST describes error sources in detail; communicates operational + * parameters (i.e. severity levels, masking bits, and threshold + * values) to Linux as necessary. It also allows the BIOS to report + * non-standard error sources to Linux (for example, chipset-specific + * error registers). + * + * For more information about HEST, please refer to ACPI Specification + * version 4.0, section 17.3.2. + * + * Copyright 2009 Intel Corp. + * Author: Huang Ying <ying.huang@intel.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation; + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/acpi.h> +#include <linux/kdebug.h> +#include <linux/highmem.h> +#include <linux/io.h> +#include <acpi/apei.h> + +#include "apei-internal.h" + +#define HEST_PFX "HEST: " + +int hest_disable; +EXPORT_SYMBOL_GPL(hest_disable); + +/* HEST table parsing */ + +static struct acpi_table_hest *hest_tab; + +static int hest_void_parse(struct acpi_hest_header *hest_hdr, void *data) +{ + return 0; +} + +static int hest_esrc_len_tab[ACPI_HEST_TYPE_RESERVED] = { + [ACPI_HEST_TYPE_IA32_CHECK] = -1, /* need further calculation */ + [ACPI_HEST_TYPE_IA32_CORRECTED_CHECK] = -1, + [ACPI_HEST_TYPE_IA32_NMI] = sizeof(struct acpi_hest_ia_nmi), + [ACPI_HEST_TYPE_AER_ROOT_PORT] = sizeof(struct acpi_hest_aer_root), + [ACPI_HEST_TYPE_AER_ENDPOINT] = sizeof(struct acpi_hest_aer), + [ACPI_HEST_TYPE_AER_BRIDGE] = sizeof(struct acpi_hest_aer_bridge), + [ACPI_HEST_TYPE_GENERIC_ERROR] = sizeof(struct acpi_hest_generic), +}; + +static int hest_esrc_len(struct acpi_hest_header *hest_hdr) +{ + u16 hest_type = hest_hdr->type; + int len; + + if (hest_type >= ACPI_HEST_TYPE_RESERVED) + return 0; + + len = hest_esrc_len_tab[hest_type]; + + if (hest_type == ACPI_HEST_TYPE_IA32_CORRECTED_CHECK) { + struct acpi_hest_ia_corrected *cmc; + cmc = (struct acpi_hest_ia_corrected *)hest_hdr; + len = sizeof(*cmc) + cmc->num_hardware_banks * + sizeof(struct acpi_hest_ia_error_bank); + } else if (hest_type == ACPI_HEST_TYPE_IA32_CHECK) { + struct acpi_hest_ia_machine_check *mc; + mc = (struct acpi_hest_ia_machine_check *)hest_hdr; + len = sizeof(*mc) + mc->num_hardware_banks * + sizeof(struct acpi_hest_ia_error_bank); + } + BUG_ON(len == -1); + + return len; +}; + +int apei_hest_parse(apei_hest_func_t func, void *data) +{ + struct acpi_hest_header *hest_hdr; + int i, rc, len; + + if (hest_disable) + return -EINVAL; + + hest_hdr = (struct acpi_hest_header *)(hest_tab + 1); + for (i = 0; i < hest_tab->error_source_count; i++) { + len = hest_esrc_len(hest_hdr); + if (!len) { + pr_warning(FW_WARN HEST_PFX + "Unknown or unused hardware error source " + "type: %d for hardware error source: %d.\n", + hest_hdr->type, hest_hdr->source_id); + return -EINVAL; + } + if ((void *)hest_hdr + len > + (void *)hest_tab + hest_tab->header.length) { + pr_warning(FW_BUG HEST_PFX + "Table contents overflow for hardware error source: %d.\n", + hest_hdr->source_id); + return -EINVAL; + } + + rc = func(hest_hdr, data); + if (rc) + return rc; + + hest_hdr = (void *)hest_hdr + len; + } + + return 0; +} +EXPORT_SYMBOL_GPL(apei_hest_parse); + +static int __init setup_hest_disable(char *str) +{ + hest_disable = 1; + return 0; +} + +__setup("hest_disable", setup_hest_disable); + +static int __init hest_init(void) +{ + acpi_status status; + int rc = -ENODEV; + + if (acpi_disabled) + goto err; + + if (hest_disable) { + pr_info(HEST_PFX "HEST tabling parsing is disabled.\n"); + goto err; + } + + status = acpi_get_table(ACPI_SIG_HEST, 0, + (struct acpi_table_header **)&hest_tab); + if (status == AE_NOT_FOUND) { + pr_info(HEST_PFX "Table is not found!\n"); + goto err; + } else if (ACPI_FAILURE(status)) { + const char *msg = acpi_format_exception(status); + pr_err(HEST_PFX "Failed to get table, %s\n", msg); + rc = -EINVAL; + goto err; + } + + rc = apei_hest_parse(hest_void_parse, NULL); + if (rc) + goto err; + + pr_info(HEST_PFX "HEST table parsing is initialized.\n"); + + return 0; +err: + hest_disable = 1; + return rc; +} + +subsys_initcall(hest_init); diff --git a/drivers/acpi/atomicio.c b/drivers/acpi/atomicio.c new file mode 100644 index 000000000000..8f8bd736d4ff --- /dev/null +++ b/drivers/acpi/atomicio.c @@ -0,0 +1,361 @@ +/* + * atomicio.c - ACPI IO memory pre-mapping/post-unmapping, then + * accessing in atomic context. + * + * This is used for NMI handler to access IO memory area, because + * ioremap/iounmap can not be used in NMI handler. The IO memory area + * is pre-mapped in process context and accessed in NMI handler. + * + * Copyright (C) 2009-2010, Intel Corp. + * Author: Huang Ying <ying.huang@intel.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/acpi.h> +#include <linux/io.h> +#include <linux/kref.h> +#include <linux/rculist.h> +#include <linux/interrupt.h> +#include <linux/slab.h> +#include <acpi/atomicio.h> + +#define ACPI_PFX "ACPI: " + +static LIST_HEAD(acpi_iomaps); +/* + * Used for mutual exclusion between writers of acpi_iomaps list, for + * synchronization between readers and writer, RCU is used. + */ +static DEFINE_SPINLOCK(acpi_iomaps_lock); + +struct acpi_iomap { + struct list_head list; + void __iomem *vaddr; + unsigned long size; + phys_addr_t paddr; + struct kref ref; +}; + +/* acpi_iomaps_lock or RCU read lock must be held before calling */ +static struct acpi_iomap *__acpi_find_iomap(phys_addr_t paddr, + unsigned long size) +{ + struct acpi_iomap *map; + + list_for_each_entry_rcu(map, &acpi_iomaps, list) { + if (map->paddr + map->size >= paddr + size && + map->paddr <= paddr) + return map; + } + return NULL; +} + +/* + * Atomic "ioremap" used by NMI handler, if the specified IO memory + * area is not pre-mapped, NULL will be returned. + * + * acpi_iomaps_lock or RCU read lock must be held before calling + */ +static void __iomem *__acpi_ioremap_fast(phys_addr_t paddr, + unsigned long size) +{ + struct acpi_iomap *map; + + map = __acpi_find_iomap(paddr, size); + if (map) + return map->vaddr + (paddr - map->paddr); + else + return NULL; +} + +/* acpi_iomaps_lock must be held before calling */ +static void __iomem *__acpi_try_ioremap(phys_addr_t paddr, + unsigned long size) +{ + struct acpi_iomap *map; + + map = __acpi_find_iomap(paddr, size); + if (map) { + kref_get(&map->ref); + return map->vaddr + (paddr - map->paddr); + } else + return NULL; +} + +/* + * Used to pre-map the specified IO memory area. First try to find + * whether the area is already pre-mapped, if it is, increase the + * reference count (in __acpi_try_ioremap) and return; otherwise, do + * the real ioremap, and add the mapping into acpi_iomaps list. + */ +static void __iomem *acpi_pre_map(phys_addr_t paddr, + unsigned long size) +{ + void __iomem *vaddr; + struct acpi_iomap *map; + unsigned long pg_sz, flags; + phys_addr_t pg_off; + + spin_lock_irqsave(&acpi_iomaps_lock, flags); + vaddr = __acpi_try_ioremap(paddr, size); + spin_unlock_irqrestore(&acpi_iomaps_lock, flags); + if (vaddr) + return vaddr; + + pg_off = paddr & PAGE_MASK; + pg_sz = ((paddr + size + PAGE_SIZE - 1) & PAGE_MASK) - pg_off; + vaddr = ioremap(pg_off, pg_sz); + if (!vaddr) + return NULL; + map = kmalloc(sizeof(*map), GFP_KERNEL); + if (!map) + goto err_unmap; + INIT_LIST_HEAD(&map->list); + map->paddr = pg_off; + map->size = pg_sz; + map->vaddr = vaddr; + kref_init(&map->ref); + + spin_lock_irqsave(&acpi_iomaps_lock, flags); + vaddr = __acpi_try_ioremap(paddr, size); + if (vaddr) { + spin_unlock_irqrestore(&acpi_iomaps_lock, flags); + iounmap(map->vaddr); + kfree(map); + return vaddr; + } + list_add_tail_rcu(&map->list, &acpi_iomaps); + spin_unlock_irqrestore(&acpi_iomaps_lock, flags); + + return vaddr + (paddr - pg_off); +err_unmap: + iounmap(vaddr); + return NULL; +} + +/* acpi_iomaps_lock must be held before calling */ +static void __acpi_kref_del_iomap(struct kref *ref) +{ + struct acpi_iomap *map; + + map = container_of(ref, struct acpi_iomap, ref); + list_del_rcu(&map->list); +} + +/* + * Used to post-unmap the specified IO memory area. The iounmap is + * done only if the reference count goes zero. + */ +static void acpi_post_unmap(phys_addr_t paddr, unsigned long size) +{ + struct acpi_iomap *map; + unsigned long flags; + int del; + + spin_lock_irqsave(&acpi_iomaps_lock, flags); + map = __acpi_find_iomap(paddr, size); + BUG_ON(!map); + del = kref_put(&map->ref, __acpi_kref_del_iomap); + spin_unlock_irqrestore(&acpi_iomaps_lock, flags); + + if (!del) + return; + + synchronize_rcu(); + iounmap(map->vaddr); + kfree(map); +} + +/* In NMI handler, should set silent = 1 */ +static int acpi_check_gar(struct acpi_generic_address *reg, + u64 *paddr, int silent) +{ + u32 width, space_id; + + width = reg->bit_width; + space_id = reg->space_id; + /* Handle possible alignment issues */ + memcpy(paddr, ®->address, sizeof(*paddr)); + if (!*paddr) { + if (!silent) + pr_warning(FW_BUG ACPI_PFX + "Invalid physical address in GAR [0x%llx/%u/%u]\n", + *paddr, width, space_id); + return -EINVAL; + } + + if ((width != 8) && (width != 16) && (width != 32) && (width != 64)) { + if (!silent) + pr_warning(FW_BUG ACPI_PFX + "Invalid bit width in GAR [0x%llx/%u/%u]\n", + *paddr, width, space_id); + return -EINVAL; + } + + if (space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY && + space_id != ACPI_ADR_SPACE_SYSTEM_IO) { + if (!silent) + pr_warning(FW_BUG ACPI_PFX + "Invalid address space type in GAR [0x%llx/%u/%u]\n", + *paddr, width, space_id); + return -EINVAL; + } + + return 0; +} + +/* Pre-map, working on GAR */ +int acpi_pre_map_gar(struct acpi_generic_address *reg) +{ + u64 paddr; + void __iomem *vaddr; + int rc; + + if (reg->space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY) + return 0; + + rc = acpi_check_gar(reg, &paddr, 0); + if (rc) + return rc; + + vaddr = acpi_pre_map(paddr, reg->bit_width / 8); + if (!vaddr) + return -EIO; + + return 0; +} +EXPORT_SYMBOL_GPL(acpi_pre_map_gar); + +/* Post-unmap, working on GAR */ +int acpi_post_unmap_gar(struct acpi_generic_address *reg) +{ + u64 paddr; + int rc; + + if (reg->space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY) + return 0; + + rc = acpi_check_gar(reg, &paddr, 0); + if (rc) + return rc; + + acpi_post_unmap(paddr, reg->bit_width / 8); + + return 0; +} +EXPORT_SYMBOL_GPL(acpi_post_unmap_gar); + +/* + * Can be used in atomic (including NMI) or process context. RCU read + * lock can only be released after the IO memory area accessing. + */ +static int acpi_atomic_read_mem(u64 paddr, u64 *val, u32 width) +{ + void __iomem *addr; + + rcu_read_lock(); + addr = __acpi_ioremap_fast(paddr, width); + switch (width) { + case 8: + *val = readb(addr); + break; + case 16: + *val = readw(addr); + break; + case 32: + *val = readl(addr); + break; + case 64: + *val = readq(addr); + break; + default: + return -EINVAL; + } + rcu_read_unlock(); + + return 0; +} + +static int acpi_atomic_write_mem(u64 paddr, u64 val, u32 width) +{ + void __iomem *addr; + + rcu_read_lock(); + addr = __acpi_ioremap_fast(paddr, width); + switch (width) { + case 8: + writeb(val, addr); + break; + case 16: + writew(val, addr); + break; + case 32: + writel(val, addr); + break; + case 64: + writeq(val, addr); + break; + default: + return -EINVAL; + } + rcu_read_unlock(); + + return 0; +} + +/* GAR accessing in atomic (including NMI) or process context */ +int acpi_atomic_read(u64 *val, struct acpi_generic_address *reg) +{ + u64 paddr; + int rc; + + rc = acpi_check_gar(reg, &paddr, 1); + if (rc) + return rc; + + *val = 0; + switch (reg->space_id) { + case ACPI_ADR_SPACE_SYSTEM_MEMORY: + return acpi_atomic_read_mem(paddr, val, reg->bit_width); + case ACPI_ADR_SPACE_SYSTEM_IO: + return acpi_os_read_port(paddr, (u32 *)val, reg->bit_width); + default: + return -EINVAL; + } +} +EXPORT_SYMBOL_GPL(acpi_atomic_read); + +int acpi_atomic_write(u64 val, struct acpi_generic_address *reg) +{ + u64 paddr; + int rc; + + rc = acpi_check_gar(reg, &paddr, 1); + if (rc) + return rc; + + switch (reg->space_id) { + case ACPI_ADR_SPACE_SYSTEM_MEMORY: + return acpi_atomic_write_mem(paddr, val, reg->bit_width); + case ACPI_ADR_SPACE_SYSTEM_IO: + return acpi_os_write_port(paddr, val, reg->bit_width); + default: + return -EINVAL; + } +} +EXPORT_SYMBOL_GPL(acpi_atomic_write); diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index f2234db85da0..e61d4f8e62a5 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -1027,10 +1027,9 @@ int __init acpi_ec_ecdt_probe(void) /* Don't trust ECDT, which comes from ASUSTek */ if (!EC_FLAGS_VALIDATE_ECDT) goto install; - saved_ec = kmalloc(sizeof(struct acpi_ec), GFP_KERNEL); + saved_ec = kmemdup(boot_ec, sizeof(struct acpi_ec), GFP_KERNEL); if (!saved_ec) return -ENOMEM; - memcpy(saved_ec, boot_ec, sizeof(struct acpi_ec)); /* fall through */ } diff --git a/drivers/acpi/hed.c b/drivers/acpi/hed.c new file mode 100644 index 000000000000..d0c1967f7597 --- /dev/null +++ b/drivers/acpi/hed.c @@ -0,0 +1,112 @@ +/* + * ACPI Hardware Error Device (PNP0C33) Driver + * + * Copyright (C) 2010, Intel Corp. + * Author: Huang Ying <ying.huang@intel.com> + * + * ACPI Hardware Error Device is used to report some hardware errors + * notified via SCI, mainly the corrected errors. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation; + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/acpi.h> +#include <acpi/acpi_bus.h> +#include <acpi/acpi_drivers.h> +#include <acpi/hed.h> + +static struct acpi_device_id acpi_hed_ids[] = { + {"PNP0C33", 0}, + {"", 0}, +}; +MODULE_DEVICE_TABLE(acpi, acpi_hed_ids); + +static acpi_handle hed_handle; + +static BLOCKING_NOTIFIER_HEAD(acpi_hed_notify_list); + +int register_acpi_hed_notifier(struct notifier_block *nb) +{ + return blocking_notifier_chain_register(&acpi_hed_notify_list, nb); +} +EXPORT_SYMBOL_GPL(register_acpi_hed_notifier); + +void unregister_acpi_hed_notifier(struct notifier_block *nb) +{ + blocking_notifier_chain_unregister(&acpi_hed_notify_list, nb); +} +EXPORT_SYMBOL_GPL(unregister_acpi_hed_notifier); + +/* + * SCI to report hardware error is forwarded to the listeners of HED, + * it is used by HEST Generic Hardware Error Source with notify type + * SCI. + */ +static void acpi_hed_notify(struct acpi_device *device, u32 event) +{ + blocking_notifier_call_chain(&acpi_hed_notify_list, 0, NULL); +} + +static int __devinit acpi_hed_add(struct acpi_device *device) +{ + /* Only one hardware error device */ + if (hed_handle) + return -EINVAL; + hed_handle = device->handle; + return 0; +} + +static int __devexit acpi_hed_remove(struct acpi_device *device, int type) +{ + hed_handle = NULL; + return 0; +} + +static struct acpi_driver acpi_hed_driver = { + .name = "hardware_error_device", + .class = "hardware_error", + .ids = acpi_hed_ids, + .ops = { + .add = acpi_hed_add, + .remove = acpi_hed_remove, + .notify = acpi_hed_notify, + }, +}; + +static int __init acpi_hed_init(void) +{ + if (acpi_disabled) + return -ENODEV; + + if (acpi_bus_register_driver(&acpi_hed_driver) < 0) + return -ENODEV; + + return 0; +} + +static void __exit acpi_hed_exit(void) +{ + acpi_bus_unregister_driver(&acpi_hed_driver); +} + +module_init(acpi_hed_init); +module_exit(acpi_hed_exit); + +ACPI_MODULE_NAME("hed"); +MODULE_AUTHOR("Huang Ying"); +MODULE_DESCRIPTION("ACPI Hardware Error Device Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/acpi/hest.c b/drivers/acpi/hest.c deleted file mode 100644 index 1c527a192872..000000000000 --- a/drivers/acpi/hest.c +++ /dev/null @@ -1,139 +0,0 @@ -#include <linux/acpi.h> -#include <linux/pci.h> - -#define PREFIX "ACPI: " - -static inline unsigned long parse_acpi_hest_ia_machine_check(struct acpi_hest_ia_machine_check *p) -{ - return sizeof(*p) + - (sizeof(struct acpi_hest_ia_error_bank) * p->num_hardware_banks); -} - -static inline unsigned long parse_acpi_hest_ia_corrected(struct acpi_hest_ia_corrected *p) -{ - return sizeof(*p) + - (sizeof(struct acpi_hest_ia_error_bank) * p->num_hardware_banks); -} - -static inline unsigned long parse_acpi_hest_ia_nmi(struct acpi_hest_ia_nmi *p) -{ - return sizeof(*p); -} - -static inline unsigned long parse_acpi_hest_generic(struct acpi_hest_generic *p) -{ - return sizeof(*p); -} - -static inline unsigned int hest_match_pci(struct acpi_hest_aer_common *p, struct pci_dev *pci) -{ - return (0 == pci_domain_nr(pci->bus) && - p->bus == pci->bus->number && - p->device == PCI_SLOT(pci->devfn) && - p->function == PCI_FUNC(pci->devfn)); -} - -static unsigned long parse_acpi_hest_aer(void *hdr, int type, struct pci_dev *pci, int *firmware_first) -{ - struct acpi_hest_aer_common *p = hdr + sizeof(struct acpi_hest_header); - unsigned long rc=0; - u8 pcie_type = 0; - u8 bridge = 0; - switch (type) { - case ACPI_HEST_TYPE_AER_ROOT_PORT: - rc = sizeof(struct acpi_hest_aer_root); - pcie_type = PCI_EXP_TYPE_ROOT_PORT; - break; - case ACPI_HEST_TYPE_AER_ENDPOINT: - rc = sizeof(struct acpi_hest_aer); - pcie_type = PCI_EXP_TYPE_ENDPOINT; - break; - case ACPI_HEST_TYPE_AER_BRIDGE: - rc = sizeof(struct acpi_hest_aer_bridge); - if ((pci->class >> 16) == PCI_BASE_CLASS_BRIDGE) - bridge = 1; - break; - } - - if (p->flags & ACPI_HEST_GLOBAL) { - if ((pci->is_pcie && (pci->pcie_type == pcie_type)) || bridge) - *firmware_first = !!(p->flags & ACPI_HEST_FIRMWARE_FIRST); - } - else - if (hest_match_pci(p, pci)) - *firmware_first = !!(p->flags & ACPI_HEST_FIRMWARE_FIRST); - return rc; -} - -static int acpi_hest_firmware_first(struct acpi_table_header *stdheader, struct pci_dev *pci) -{ - struct acpi_table_hest *hest = (struct acpi_table_hest *)stdheader; - void *p = (void *)hest + sizeof(*hest); /* defined by the ACPI 4.0 spec */ - struct acpi_hest_header *hdr = p; - - int i; - int firmware_first = 0; - static unsigned char printed_unused = 0; - static unsigned char printed_reserved = 0; - - for (i=0, hdr=p; p < (((void *)hest) + hest->header.length) && i < hest->error_source_count; i++) { - switch (hdr->type) { - case ACPI_HEST_TYPE_IA32_CHECK: - p += parse_acpi_hest_ia_machine_check(p); - break; - case ACPI_HEST_TYPE_IA32_CORRECTED_CHECK: - p += parse_acpi_hest_ia_corrected(p); - break; - case ACPI_HEST_TYPE_IA32_NMI: - p += parse_acpi_hest_ia_nmi(p); - break; - /* These three should never appear */ - case ACPI_HEST_TYPE_NOT_USED3: - case ACPI_HEST_TYPE_NOT_USED4: - case ACPI_HEST_TYPE_NOT_USED5: - if (!printed_unused) { - printk(KERN_DEBUG PREFIX - "HEST Error Source list contains an obsolete type (%d).\n", hdr->type); - printed_unused = 1; - } - break; - case ACPI_HEST_TYPE_AER_ROOT_PORT: - case ACPI_HEST_TYPE_AER_ENDPOINT: - case ACPI_HEST_TYPE_AER_BRIDGE: - p += parse_acpi_hest_aer(p, hdr->type, pci, &firmware_first); - break; - case ACPI_HEST_TYPE_GENERIC_ERROR: - p += parse_acpi_hest_generic(p); - break; - /* These should never appear either */ - case ACPI_HEST_TYPE_RESERVED: - default: - if (!printed_reserved) { - printk(KERN_DEBUG PREFIX - "HEST Error Source list contains a reserved type (%d).\n", hdr->type); - printed_reserved = 1; - } - break; - } - } - return firmware_first; -} - -int acpi_hest_firmware_first_pci(struct pci_dev *pci) -{ - acpi_status status = AE_NOT_FOUND; - struct acpi_table_header *hest = NULL; - - if (acpi_disabled) - return 0; - - status = acpi_get_table(ACPI_SIG_HEST, 1, &hest); - - if (ACPI_SUCCESS(status)) { - if (acpi_hest_firmware_first(hest, pci)) { - return 1; - } - } - return 0; -} -EXPORT_SYMBOL_GPL(acpi_hest_firmware_first_pci); diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index aefce33f2a09..4eac59393edc 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -120,7 +120,8 @@ acpi_handle acpi_get_pci_rootbridge_handle(unsigned int seg, unsigned int bus) struct acpi_pci_root *root; list_for_each_entry(root, &acpi_pci_roots, node) - if ((root->segment == (u16) seg) && (root->bus_nr == (u16) bus)) + if ((root->segment == (u16) seg) && + (root->secondary.start == (u16) bus)) return root->device->handle; return NULL; } @@ -154,7 +155,7 @@ EXPORT_SYMBOL_GPL(acpi_is_root_bridge); static acpi_status get_root_bridge_busnr_callback(struct acpi_resource *resource, void *data) { - int *busnr = data; + struct resource *res = data; struct acpi_resource_address64 address; if (resource->type != ACPI_RESOURCE_TYPE_ADDRESS16 && @@ -164,28 +165,27 @@ get_root_bridge_busnr_callback(struct acpi_resource *resource, void *data) acpi_resource_to_address64(resource, &address); if ((address.address_length > 0) && - (address.resource_type == ACPI_BUS_NUMBER_RANGE)) - *busnr = address.minimum; + (address.resource_type == ACPI_BUS_NUMBER_RANGE)) { + res->start = address.minimum; + res->end = address.minimum + address.address_length - 1; + } return AE_OK; } static acpi_status try_get_root_bridge_busnr(acpi_handle handle, - unsigned long long *bus) + struct resource *res) { acpi_status status; - int busnum; - busnum = -1; + res->start = -1; status = acpi_walk_resources(handle, METHOD_NAME__CRS, - get_root_bridge_busnr_callback, &busnum); + get_root_bridge_busnr_callback, res); if (ACPI_FAILURE(status)) return status; - /* Check if we really get a bus number from _CRS */ - if (busnum == -1) + if (res->start == -1) return AE_ERROR; - *bus = busnum; return AE_OK; } @@ -429,34 +429,47 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device) struct acpi_device *child; u32 flags, base_flags; + root = kzalloc(sizeof(struct acpi_pci_root), GFP_KERNEL); + if (!root) + return -ENOMEM; + segment = 0; status = acpi_evaluate_integer(device->handle, METHOD_NAME__SEG, NULL, &segment); if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) { printk(KERN_ERR PREFIX "can't evaluate _SEG\n"); - return -ENODEV; + result = -ENODEV; + goto end; } /* Check _CRS first, then _BBN. If no _BBN, default to zero. */ - bus = 0; - status = try_get_root_bridge_busnr(device->handle, &bus); + root->secondary.flags = IORESOURCE_BUS; + status = try_get_root_bridge_busnr(device->handle, &root->secondary); if (ACPI_FAILURE(status)) { + /* + * We need both the start and end of the downstream bus range + * to interpret _CBA (MMCONFIG base address), so it really is + * supposed to be in _CRS. If we don't find it there, all we + * can do is assume [_BBN-0xFF] or [0-0xFF]. + */ + root->secondary.end = 0xFF; + printk(KERN_WARNING FW_BUG PREFIX + "no secondary bus range in _CRS\n"); status = acpi_evaluate_integer(device->handle, METHOD_NAME__BBN, NULL, &bus); - if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) { - printk(KERN_ERR PREFIX - "no bus number in _CRS and can't evaluate _BBN\n"); - return -ENODEV; + if (ACPI_SUCCESS(status)) + root->secondary.start = bus; + else if (status == AE_NOT_FOUND) + root->secondary.start = 0; + else { + printk(KERN_ERR PREFIX "can't evaluate _BBN\n"); + result = -ENODEV; + goto end; } } - root = kzalloc(sizeof(struct acpi_pci_root), GFP_KERNEL); - if (!root) - return -ENOMEM; - INIT_LIST_HEAD(&root->node); root->device = device; root->segment = segment & 0xFFFF; - root->bus_nr = bus & 0xFF; strcpy(acpi_device_name(device), ACPI_PCI_ROOT_DEVICE_NAME); strcpy(acpi_device_class(device), ACPI_PCI_ROOT_CLASS); device->driver_data = root; @@ -475,9 +488,9 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device) /* TBD: Locking */ list_add_tail(&root->node, &acpi_pci_roots); - printk(KERN_INFO PREFIX "%s [%s] (%04x:%02x)\n", + printk(KERN_INFO PREFIX "%s [%s] (domain %04x %pR)\n", acpi_device_name(device), acpi_device_bid(device), - root->segment, root->bus_nr); + root->segment, &root->secondary); /* * Scan the Root Bridge @@ -486,11 +499,11 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device) * PCI namespace does not get created until this call is made (and * thus the root bridge's pci_dev does not exist). */ - root->bus = pci_acpi_scan_root(device, segment, bus); + root->bus = pci_acpi_scan_root(root); if (!root->bus) { printk(KERN_ERR PREFIX "Bus %04x:%02x not present in PCI namespace\n", - root->segment, root->bus_nr); + root->segment, (unsigned int)root->secondary.start); result = -ENODEV; goto end; } diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c index 5675d9747e87..b1034a9ada4e 100644 --- a/drivers/acpi/processor_driver.c +++ b/drivers/acpi/processor_driver.c @@ -616,7 +616,8 @@ static int __cpuinit acpi_processor_add(struct acpi_device *device) acpi_processor_get_limit_info(pr); - acpi_processor_power_init(pr, device); + if (cpuidle_get_driver() == &acpi_idle_driver) + acpi_processor_power_init(pr, device); pr->cdev = thermal_cooling_device_register("Processor", device, &processor_cooling_ops); @@ -920,9 +921,14 @@ static int __init acpi_processor_init(void) if (!acpi_processor_dir) return -ENOMEM; #endif - result = cpuidle_register_driver(&acpi_idle_driver); - if (result < 0) - goto out_proc; + + if (!cpuidle_register_driver(&acpi_idle_driver)) { + printk(KERN_DEBUG "ACPI: %s registered with cpuidle\n", + acpi_idle_driver.name); + } else { + printk(KERN_DEBUG "ACPI: acpi_idle yielding to %s", + cpuidle_get_driver()->name); + } result = acpi_bus_register_driver(&acpi_processor_driver); if (result < 0) @@ -941,7 +947,6 @@ static int __init acpi_processor_init(void) out_cpuidle: cpuidle_unregister_driver(&acpi_idle_driver); -out_proc: #ifdef CONFIG_ACPI_PROCFS remove_proc_entry(ACPI_PROCESSOR_CLASS, acpi_root_dir); #endif diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index c3817e1f32c7..2e8c27d48f2b 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -727,19 +727,9 @@ static int acpi_processor_power_seq_show(struct seq_file *seq, void *offset) break; } - if (pr->power.states[i].promotion.state) - seq_printf(seq, "promotion[C%zd] ", - (pr->power.states[i].promotion.state - - pr->power.states)); - else - seq_puts(seq, "promotion[--] "); - - if (pr->power.states[i].demotion.state) - seq_printf(seq, "demotion[C%zd] ", - (pr->power.states[i].demotion.state - - pr->power.states)); - else - seq_puts(seq, "demotion[--] "); + seq_puts(seq, "promotion[--] "); + + seq_puts(seq, "demotion[--] "); seq_printf(seq, "latency[%03d] usage[%08d] duration[%020llu]\n", pr->power.states[i].latency, @@ -869,6 +859,7 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev, struct acpi_processor *pr; struct acpi_processor_cx *cx = cpuidle_get_statedata(state); ktime_t kt1, kt2; + s64 idle_time_ns; s64 idle_time; s64 sleep_ticks = 0; @@ -881,6 +872,7 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev, return(acpi_idle_enter_c1(dev, state)); local_irq_disable(); + if (cx->entry_method != ACPI_CSTATE_FFH) { current_thread_info()->status &= ~TS_POLLING; /* @@ -888,12 +880,12 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev, * NEED_RESCHED: */ smp_mb(); - } - if (unlikely(need_resched())) { - current_thread_info()->status |= TS_POLLING; - local_irq_enable(); - return 0; + if (unlikely(need_resched())) { + current_thread_info()->status |= TS_POLLING; + local_irq_enable(); + return 0; + } } /* @@ -910,15 +902,18 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev, sched_clock_idle_sleep_event(); acpi_idle_do_entry(cx); kt2 = ktime_get_real(); - idle_time = ktime_to_us(ktime_sub(kt2, kt1)); + idle_time_ns = ktime_to_ns(ktime_sub(kt2, kt1)); + idle_time = idle_time_ns; + do_div(idle_time, NSEC_PER_USEC); sleep_ticks = us_to_pm_timer_ticks(idle_time); /* Tell the scheduler how much we idled: */ - sched_clock_idle_wakeup_event(sleep_ticks*PM_TIMER_TICK_NS); + sched_clock_idle_wakeup_event(idle_time_ns); local_irq_enable(); - current_thread_info()->status |= TS_POLLING; + if (cx->entry_method != ACPI_CSTATE_FFH) + current_thread_info()->status |= TS_POLLING; cx->usage++; @@ -943,6 +938,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev, struct acpi_processor *pr; struct acpi_processor_cx *cx = cpuidle_get_statedata(state); ktime_t kt1, kt2; + s64 idle_time_ns; s64 idle_time; s64 sleep_ticks = 0; @@ -968,6 +964,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev, } local_irq_disable(); + if (cx->entry_method != ACPI_CSTATE_FFH) { current_thread_info()->status &= ~TS_POLLING; /* @@ -975,12 +972,12 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev, * NEED_RESCHED: */ smp_mb(); - } - if (unlikely(need_resched())) { - current_thread_info()->status |= TS_POLLING; - local_irq_enable(); - return 0; + if (unlikely(need_resched())) { + current_thread_info()->status |= TS_POLLING; + local_irq_enable(); + return 0; + } } acpi_unlazy_tlb(smp_processor_id()); @@ -1025,14 +1022,17 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev, spin_unlock(&c3_lock); } kt2 = ktime_get_real(); - idle_time = ktime_to_us(ktime_sub(kt2, kt1)); + idle_time_ns = ktime_to_us(ktime_sub(kt2, kt1)); + idle_time = idle_time_ns; + do_div(idle_time, NSEC_PER_USEC); sleep_ticks = us_to_pm_timer_ticks(idle_time); /* Tell the scheduler how much we idled: */ - sched_clock_idle_wakeup_event(sleep_ticks*PM_TIMER_TICK_NS); + sched_clock_idle_wakeup_event(idle_time_ns); local_irq_enable(); - current_thread_info()->status |= TS_POLLING; + if (cx->entry_method != ACPI_CSTATE_FFH) + current_thread_info()->status |= TS_POLLING; cx->usage++; diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index baa76bbf244a..4ab2275b4461 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -80,22 +80,6 @@ static int acpi_sleep_prepare(u32 acpi_state) #ifdef CONFIG_ACPI_SLEEP static u32 acpi_target_sleep_state = ACPI_STATE_S0; -/* - * According to the ACPI specification the BIOS should make sure that ACPI is - * enabled and SCI_EN bit is set on wake-up from S1 - S3 sleep states. Still, - * some BIOSes don't do that and therefore we use acpi_enable() to enable ACPI - * on such systems during resume. Unfortunately that doesn't help in - * particularly pathological cases in which SCI_EN has to be set directly on - * resume, although the specification states very clearly that this flag is - * owned by the hardware. The set_sci_en_on_resume variable will be set in such - * cases. - */ -static bool set_sci_en_on_resume; - -void __init acpi_set_sci_en_on_resume(void) -{ - set_sci_en_on_resume = true; -} /* * ACPI 1.0 wants us to execute _PTS before suspending devices, so we allow the @@ -253,11 +237,8 @@ static int acpi_suspend_enter(suspend_state_t pm_state) break; } - /* If ACPI is not enabled by the BIOS, we need to enable it here. */ - if (set_sci_en_on_resume) - acpi_write_bit_register(ACPI_BITREG_SCI_ENABLE, 1); - else - acpi_enable(); + /* This violates the spec but is required for bug compatibility. */ + acpi_write_bit_register(ACPI_BITREG_SCI_ENABLE, 1); /* Reprogram control registers and execute _BFS */ acpi_leave_sleep_state_prep(acpi_state); @@ -346,12 +327,6 @@ static int __init init_old_suspend_ordering(const struct dmi_system_id *d) return 0; } -static int __init init_set_sci_en_on_resume(const struct dmi_system_id *d) -{ - set_sci_en_on_resume = true; - return 0; -} - static struct dmi_system_id __initdata acpisleep_dmi_table[] = { { .callback = init_old_suspend_ordering, @@ -370,22 +345,6 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = { }, }, { - .callback = init_set_sci_en_on_resume, - .ident = "Apple MacBook 1,1", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Apple Computer, Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "MacBook1,1"), - }, - }, - { - .callback = init_set_sci_en_on_resume, - .ident = "Apple MacMini 1,1", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Apple Computer, Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "Macmini1,1"), - }, - }, - { .callback = init_old_suspend_ordering, .ident = "Asus Pundit P1-AH2 (M2N8L motherboard)", .matches = { @@ -394,94 +353,6 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = { }, }, { - .callback = init_set_sci_en_on_resume, - .ident = "Toshiba Satellite L300", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), - DMI_MATCH(DMI_PRODUCT_NAME, "Satellite L300"), - }, - }, - { - .callback = init_set_sci_en_on_resume, - .ident = "Hewlett-Packard HP G7000 Notebook PC", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_PRODUCT_NAME, "HP G7000 Notebook PC"), - }, - }, - { - .callback = init_set_sci_en_on_resume, - .ident = "Hewlett-Packard HP Pavilion dv3 Notebook PC", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv3 Notebook PC"), - }, - }, - { - .callback = init_set_sci_en_on_resume, - .ident = "Hewlett-Packard Pavilion dv4", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4"), - }, - }, - { - .callback = init_set_sci_en_on_resume, - .ident = "Hewlett-Packard Pavilion dv7", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv7"), - }, - }, - { - .callback = init_set_sci_en_on_resume, - .ident = "Hewlett-Packard Compaq Presario C700 Notebook PC", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_PRODUCT_NAME, "Compaq Presario C700 Notebook PC"), - }, - }, - { - .callback = init_set_sci_en_on_resume, - .ident = "Hewlett-Packard Compaq Presario CQ40 Notebook PC", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_PRODUCT_NAME, "Compaq Presario CQ40 Notebook PC"), - }, - }, - { - .callback = init_set_sci_en_on_resume, - .ident = "Lenovo ThinkPad T410", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T410"), - }, - }, - { - .callback = init_set_sci_en_on_resume, - .ident = "Lenovo ThinkPad T510", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T510"), - }, - }, - { - .callback = init_set_sci_en_on_resume, - .ident = "Lenovo ThinkPad W510", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad W510"), - }, - }, - { - .callback = init_set_sci_en_on_resume, - .ident = "Lenovo ThinkPad X201[s]", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X201"), - }, - }, - { .callback = init_old_suspend_ordering, .ident = "Panasonic CF51-2L", .matches = { @@ -490,30 +361,6 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = { DMI_MATCH(DMI_BOARD_NAME, "CF51-2L"), }, }, - { - .callback = init_set_sci_en_on_resume, - .ident = "Dell Studio 1558", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "Studio 1558"), - }, - }, - { - .callback = init_set_sci_en_on_resume, - .ident = "Dell Studio 1557", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "Studio 1557"), - }, - }, - { - .callback = init_set_sci_en_on_resume, - .ident = "Dell Studio 1555", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "Studio 1555"), - }, - }, {}, }; #endif /* CONFIG_SUSPEND */ diff --git a/drivers/acpi/sleep.h b/drivers/acpi/sleep.h index 8a8f3b3382a6..25b8bd149284 100644 --- a/drivers/acpi/sleep.h +++ b/drivers/acpi/sleep.h @@ -1,6 +1,6 @@ extern u8 sleep_states[]; -extern int acpi_suspend (u32 state); +extern int acpi_suspend(u32 state); extern void acpi_enable_wakeup_device_prep(u8 sleep_state); extern void acpi_enable_wakeup_device(u8 sleep_state); diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c index 8a0ed2800e63..f336bca7c450 100644 --- a/drivers/acpi/tables.c +++ b/drivers/acpi/tables.c @@ -213,7 +213,7 @@ acpi_table_parse_entries(char *id, unsigned long table_end; acpi_size tbl_size; - if (acpi_disabled && !acpi_ht) + if (acpi_disabled) return -ENODEV; if (!handler) @@ -280,7 +280,7 @@ int __init acpi_table_parse(char *id, acpi_table_handler handler) struct acpi_table_header *table = NULL; acpi_size tbl_size; - if (acpi_disabled && !acpi_ht) + if (acpi_disabled) return -ENODEV; if (!handler) diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index a0c93b321482..9865d46f49a8 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -45,6 +45,7 @@ #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> #include <linux/suspend.h> +#include <acpi/video.h> #define PREFIX "ACPI: " @@ -65,11 +66,6 @@ #define MAX_NAME_LEN 20 -#define ACPI_VIDEO_DISPLAY_CRT 1 -#define ACPI_VIDEO_DISPLAY_TV 2 -#define ACPI_VIDEO_DISPLAY_DVI 3 -#define ACPI_VIDEO_DISPLAY_LCD 4 - #define _COMPONENT ACPI_VIDEO_COMPONENT ACPI_MODULE_NAME("video"); @@ -1007,11 +1003,11 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) result = acpi_video_init_brightness(device); if (result) return; - name = kzalloc(MAX_NAME_LEN, GFP_KERNEL); + name = kasprintf(GFP_KERNEL, "acpi_video%d", count); if (!name) return; + count++; - sprintf(name, "acpi_video%d", count++); memset(&props, 0, sizeof(struct backlight_properties)); props.max_brightness = device->brightness->count - 3; device->backlight = backlight_device_register(name, NULL, device, @@ -1067,10 +1063,10 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) if (device->cap._DCS && device->cap._DSS) { static int count; char *name; - name = kzalloc(MAX_NAME_LEN, GFP_KERNEL); + name = kasprintf(GFP_KERNEL, "acpi_video%d", count); if (!name) return; - sprintf(name, "acpi_video%d", count++); + count++; device->output_dev = video_output_register(name, NULL, device, &acpi_output_properties); kfree(name); @@ -1748,11 +1744,27 @@ acpi_video_get_device_attr(struct acpi_video_bus *video, unsigned long device_id } static int +acpi_video_get_device_type(struct acpi_video_bus *video, + unsigned long device_id) +{ + struct acpi_video_enumerated_device *ids; + int i; + + for (i = 0; i < video->attached_count; i++) { + ids = &video->attached_array[i]; + if ((ids->value.int_val & 0xffff) == device_id) + return ids->value.int_val; + } + + return 0; +} + +static int acpi_video_bus_get_one_device(struct acpi_device *device, struct acpi_video_bus *video) { unsigned long long device_id; - int status; + int status, device_type; struct acpi_video_device *data; struct acpi_video_device_attrib* attribute; @@ -1797,8 +1809,25 @@ acpi_video_bus_get_one_device(struct acpi_device *device, } if(attribute->bios_can_detect) data->flags.bios = 1; - } else - data->flags.unknown = 1; + } else { + /* Check for legacy IDs */ + device_type = acpi_video_get_device_type(video, + device_id); + /* Ignore bits 16 and 18-20 */ + switch (device_type & 0xffe2ffff) { + case ACPI_VIDEO_DISPLAY_LEGACY_MONITOR: + data->flags.crt = 1; + break; + case ACPI_VIDEO_DISPLAY_LEGACY_PANEL: + data->flags.lcd = 1; + break; + case ACPI_VIDEO_DISPLAY_LEGACY_TV: + data->flags.tvout = 1; + break; + default: + data->flags.unknown = 1; + } + } acpi_video_device_bind(video, data); acpi_video_device_find_cap(data); @@ -2032,6 +2061,71 @@ out: return result; } +int acpi_video_get_edid(struct acpi_device *device, int type, int device_id, + void **edid) +{ + struct acpi_video_bus *video; + struct acpi_video_device *video_device; + union acpi_object *buffer = NULL; + acpi_status status; + int i, length; + + if (!device || !acpi_driver_data(device)) + return -EINVAL; + + video = acpi_driver_data(device); + + for (i = 0; i < video->attached_count; i++) { + video_device = video->attached_array[i].bind_info; + length = 256; + + if (!video_device) + continue; + + if (type) { + switch (type) { + case ACPI_VIDEO_DISPLAY_CRT: + if (!video_device->flags.crt) + continue; + break; + case ACPI_VIDEO_DISPLAY_TV: + if (!video_device->flags.tvout) + continue; + break; + case ACPI_VIDEO_DISPLAY_DVI: + if (!video_device->flags.dvi) + continue; + break; + case ACPI_VIDEO_DISPLAY_LCD: + if (!video_device->flags.lcd) + continue; + break; + } + } else if (video_device->device_id != device_id) { + continue; + } + + status = acpi_video_device_EDID(video_device, &buffer, length); + + if (ACPI_FAILURE(status) || !buffer || + buffer->type != ACPI_TYPE_BUFFER) { + length = 128; + status = acpi_video_device_EDID(video_device, &buffer, + length); + if (ACPI_FAILURE(status) || !buffer || + buffer->type != ACPI_TYPE_BUFFER) { + continue; + } + } + + *edid = buffer->buffer.pointer; + return length; + } + + return -ENODEV; +} +EXPORT_SYMBOL(acpi_video_get_edid); + static int acpi_video_bus_get_devices(struct acpi_video_bus *video, struct acpi_device *device) diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index fc2f26b9b407..c5fef01b3c95 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -250,7 +250,7 @@ static int __init acpi_backlight(char *str) ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR; if (!strcmp("video", str)) acpi_video_support |= - ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO; + ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO; } return 1; } diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index e68541f662b9..73f883333a0d 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -57,6 +57,8 @@ config SATA_PMP This option adds support for SATA Port Multipliers (the SATA version of an ethernet hub, or SAS expander). +comment "Controllers with non-SFF native interface" + config SATA_AHCI tristate "AHCI SATA support" depends on PCI @@ -73,11 +75,12 @@ config SATA_AHCI_PLATFORM If unsure, say N. -config SATA_SIL24 - tristate "Silicon Image 3124/3132 SATA support" - depends on PCI +config SATA_FSL + tristate "Freescale 3.0Gbps SATA support" + depends on FSL_SOC help - This option enables support for Silicon Image 3124/3132 Serial ATA. + This option enables support for Freescale 3.0Gbps SATA controller. + It can be found on MPC837x and MPC8315. If unsure, say N. @@ -87,12 +90,11 @@ config SATA_INIC162X help This option enables support for Initio 162x Serial ATA. -config SATA_FSL - tristate "Freescale 3.0Gbps SATA support" - depends on FSL_SOC +config SATA_SIL24 + tristate "Silicon Image 3124/3132 SATA support" + depends on PCI help - This option enables support for Freescale 3.0Gbps SATA controller. - It can be found on MPC837x and MPC8315. + This option enables support for Silicon Image 3124/3132 Serial ATA. If unsure, say N. @@ -116,15 +118,65 @@ config ATA_SFF if ATA_SFF -config SATA_SVW - tristate "ServerWorks Frodo / Apple K2 SATA support" +comment "SFF controllers with custom DMA interface" + +config PDC_ADMA + tristate "Pacific Digital ADMA support" depends on PCI help - This option enables support for Broadcom/Serverworks/Apple K2 - SATA support. + This option enables support for Pacific Digital ADMA controllers + + If unsure, say N. + +config PATA_MPC52xx + tristate "Freescale MPC52xx SoC internal IDE" + depends on PPC_MPC52xx && PPC_BESTCOMM + select PPC_BESTCOMM_ATA + help + This option enables support for integrated IDE controller + of the Freescale MPC52xx SoC. + + If unsure, say N. + +config PATA_OCTEON_CF + tristate "OCTEON Boot Bus Compact Flash support" + depends on CPU_CAVIUM_OCTEON + help + This option enables a polled compact flash driver for use with + compact flash cards attached to the OCTEON boot bus. + + If unsure, say N. + +config SATA_QSTOR + tristate "Pacific Digital SATA QStor support" + depends on PCI + help + This option enables support for Pacific Digital Serial ATA QStor. + + If unsure, say N. + +config SATA_SX4 + tristate "Promise SATA SX4 support (Experimental)" + depends on PCI && EXPERIMENTAL + help + This option enables support for Promise Serial ATA SX4. If unsure, say N. +config ATA_BMDMA + bool "ATA BMDMA support" + default y + help + This option adds support for SFF ATA controllers with BMDMA + capability. BMDMA stands for bus-master DMA and the + de-facto DMA interface for SFF controllers. + + If unuser, say Y. + +if ATA_BMDMA + +comment "SATA SFF controllers with BMDMA" + config ATA_PIIX tristate "Intel ESB, ICH, PIIX3, PIIX4 PATA/SATA support" depends on PCI @@ -152,22 +204,6 @@ config SATA_NV If unsure, say N. -config PDC_ADMA - tristate "Pacific Digital ADMA support" - depends on PCI - help - This option enables support for Pacific Digital ADMA controllers - - If unsure, say N. - -config SATA_QSTOR - tristate "Pacific Digital SATA QStor support" - depends on PCI - help - This option enables support for Pacific Digital Serial ATA QStor. - - If unsure, say N. - config SATA_PROMISE tristate "Promise SATA TX2/TX4 support" depends on PCI @@ -176,14 +212,6 @@ config SATA_PROMISE If unsure, say N. -config SATA_SX4 - tristate "Promise SATA SX4 support (Experimental)" - depends on PCI && EXPERIMENTAL - help - This option enables support for Promise Serial ATA SX4. - - If unsure, say N. - config SATA_SIL tristate "Silicon Image SATA support" depends on PCI @@ -203,6 +231,15 @@ config SATA_SIS enable the PATA_SIS driver in the config. If unsure, say N. +config SATA_SVW + tristate "ServerWorks Frodo / Apple K2 SATA support" + depends on PCI + help + This option enables support for Broadcom/Serverworks/Apple K2 + SATA support. + + If unsure, say N. + config SATA_ULI tristate "ULi Electronics SATA support" depends on PCI @@ -227,14 +264,7 @@ config SATA_VITESSE If unsure, say N. -config PATA_ACPI - tristate "ACPI firmware driver for PATA" - depends on ATA_ACPI - help - This option enables an ACPI method driver which drives - motherboard PATA controller interfaces through the ACPI - firmware in the BIOS. This driver can sometimes handle - otherwise unsupported hardware. +comment "PATA SFF controllers with BMDMA" config PATA_ALI tristate "ALi PATA support" @@ -262,40 +292,30 @@ config PATA_ARTOP If unsure, say N. -config PATA_ATP867X - tristate "ARTOP/Acard ATP867X PATA support" +config PATA_ATIIXP + tristate "ATI PATA support" depends on PCI help - This option enables support for ARTOP/Acard ATP867X PATA - controllers. - - If unsure, say N. - -config PATA_AT32 - tristate "Atmel AVR32 PATA support (Experimental)" - depends on AVR32 && PLATFORM_AT32AP && EXPERIMENTAL - help - This option enables support for the IDE devices on the - Atmel AT32AP platform. + This option enables support for the ATI ATA interfaces + found on the many ATI chipsets. If unsure, say N. -config PATA_ATIIXP - tristate "ATI PATA support" +config PATA_ATP867X + tristate "ARTOP/Acard ATP867X PATA support" depends on PCI help - This option enables support for the ATI ATA interfaces - found on the many ATI chipsets. + This option enables support for ARTOP/Acard ATP867X PATA + controllers. If unsure, say N. -config PATA_CMD640_PCI - tristate "CMD640 PCI PATA support (Experimental)" - depends on PCI && EXPERIMENTAL +config PATA_BF54X + tristate "Blackfin 54x ATAPI support" + depends on BF542 || BF548 || BF549 help - This option enables support for the CMD640 PCI IDE - interface chip. Only the primary channel is currently - supported. + This option enables support for the built-in ATAPI controller on + Blackfin 54x family chips. If unsure, say N. @@ -362,15 +382,6 @@ config PATA_EFAR If unsure, say N. -config ATA_GENERIC - tristate "Generic ATA support" - depends on PCI - help - This option enables support for generic BIOS configured - ATA controllers via the new ATA layer - - If unsure, say N. - config PATA_HPT366 tristate "HPT 366/368 PATA support" depends on PCI @@ -415,12 +426,20 @@ config PATA_HPT3X3_DMA controllers. Enable with care as there are still some problems with DMA on this chipset. -config PATA_ISAPNP - tristate "ISA Plug and Play PATA support" - depends on ISAPNP +config PATA_ICSIDE + tristate "Acorn ICS PATA support" + depends on ARM && ARCH_ACORN help - This option enables support for ISA plug & play ATA - controllers such as those found on old soundcards. + On Acorn systems, say Y here if you wish to use the ICS PATA + interface card. This is not required for ICS partition support. + If you are unsure, say N to this. + +config PATA_IT8213 + tristate "IT8213 PATA support (Experimental)" + depends on PCI && EXPERIMENTAL + help + This option enables support for the ITE 821 PATA + controllers via the new ATA layer. If unsure, say N. @@ -434,15 +453,6 @@ config PATA_IT821X If unsure, say N. -config PATA_IT8213 - tristate "IT8213 PATA support (Experimental)" - depends on PCI && EXPERIMENTAL - help - This option enables support for the ITE 821 PATA - controllers via the new ATA layer. - - If unsure, say N. - config PATA_JMICRON tristate "JMicron PATA support" depends on PCI @@ -452,23 +462,14 @@ config PATA_JMICRON If unsure, say N. -config PATA_LEGACY - tristate "Legacy ISA PATA support (Experimental)" - depends on (ISA || PCI) && EXPERIMENTAL - help - This option enables support for ISA/VLB/PCI bus legacy PATA - ports and allows them to be accessed via the new ATA layer. - - If unsure, say N. - -config PATA_TRIFLEX - tristate "Compaq Triflex PATA support" - depends on PCI +config PATA_MACIO + tristate "Apple PowerMac/PowerBook internal 'MacIO' IDE" + depends on PPC_PMAC help - Enable support for the Compaq 'Triflex' IDE controller as found - on many Compaq Pentium-Pro systems, via the new ATA layer. - - If unsure, say N. + Most IDE capable PowerMacs have IDE busses driven by a variant + of this controller which is part of the Apple chipset used on + most PowerMac models. Some models have multiple busses using + different chipsets, though generally, MacIO is one of them. config PATA_MARVELL tristate "Marvell PATA support via legacy mode" @@ -481,32 +482,6 @@ config PATA_MARVELL If unsure, say N. -config PATA_MPC52xx - tristate "Freescale MPC52xx SoC internal IDE" - depends on PPC_MPC52xx && PPC_BESTCOMM - select PPC_BESTCOMM_ATA - help - This option enables support for integrated IDE controller - of the Freescale MPC52xx SoC. - - If unsure, say N. - -config PATA_MPIIX - tristate "Intel PATA MPIIX support" - depends on PCI - help - This option enables support for MPIIX PATA support. - - If unsure, say N. - -config PATA_OLDPIIX - tristate "Intel PATA old PIIX support" - depends on PCI - help - This option enables support for early PIIX PATA support. - - If unsure, say N. - config PATA_NETCELL tristate "NETCELL Revolution RAID support" depends on PCI @@ -525,15 +500,6 @@ config PATA_NINJA32 If unsure, say N. -config PATA_NS87410 - tristate "Nat Semi NS87410 PATA support" - depends on PCI - help - This option enables support for the National Semiconductor - NS87410 PCI-IDE controller. - - If unsure, say N. - config PATA_NS87415 tristate "Nat Semi NS87415 PATA support" depends on PCI @@ -543,12 +509,11 @@ config PATA_NS87415 If unsure, say N. -config PATA_OPTI - tristate "OPTI621/6215 PATA support (Very Experimental)" - depends on PCI && EXPERIMENTAL +config PATA_OLDPIIX + tristate "Intel PATA old PIIX support" + depends on PCI help - This option enables full PIO support for the early Opti ATA - controllers found on some old motherboards. + This option enables support for early PIIX PATA support. If unsure, say N. @@ -562,24 +527,6 @@ config PATA_OPTIDMA If unsure, say N. -config PATA_PALMLD - tristate "Palm LifeDrive PATA support" - depends on MACH_PALMLD - help - This option enables support for Palm LifeDrive's internal ATA - port via the new ATA layer. - - If unsure, say N. - -config PATA_PCMCIA - tristate "PCMCIA PATA support" - depends on PCMCIA - help - This option enables support for PCMCIA ATA interfaces, including - compact flash card adapters via the new ATA layer. - - If unsure, say N. - config PATA_PDC2027X tristate "Promise PATA 2027x support" depends on PCI @@ -597,12 +544,6 @@ config PATA_PDC_OLD If unsure, say N. -config PATA_QDI - tristate "QDI VLB PATA support" - depends on ISA - help - Support for QDI 6500 and 6580 PATA controllers on VESA local bus. - config PATA_RADISYS tristate "RADISYS 82600 PATA support (Experimental)" depends on PCI && EXPERIMENTAL @@ -612,15 +553,6 @@ config PATA_RADISYS If unsure, say N. -config PATA_RB532 - tristate "RouterBoard 532 PATA CompactFlash support" - depends on MIKROTIK_RB532 - help - This option enables support for the RouterBoard 532 - PATA CompactFlash controller. - - If unsure, say N. - config PATA_RDC tristate "RDC PATA support" depends on PCI @@ -631,21 +563,30 @@ config PATA_RDC If unsure, say N. -config PATA_RZ1000 - tristate "PC Tech RZ1000 PATA support" +config PATA_SC1200 + tristate "SC1200 PATA support" depends on PCI help - This option enables basic support for the PC Tech RZ1000/1 - PATA controllers via the new ATA layer + This option enables support for the NatSemi/AMD SC1200 SoC + companion chip used with the Geode processor family. If unsure, say N. -config PATA_SC1200 - tristate "SC1200 PATA support" +config PATA_SCC + tristate "Toshiba's Cell Reference Set IDE support" + depends on PCI && PPC_CELLEB + help + This option enables support for the built-in IDE controller on + Toshiba Cell Reference Board. + + If unsure, say N. + +config PATA_SCH + tristate "Intel SCH PATA support" depends on PCI help - This option enables support for the NatSemi/AMD SC1200 SoC - companion chip used with the Geode processor family. + This option enables support for Intel SCH PATA on the Intel + SCH (US15W, US15L, UL11L) series host controllers. If unsure, say N. @@ -683,6 +624,15 @@ config PATA_TOSHIBA If unsure, say N. +config PATA_TRIFLEX + tristate "Compaq Triflex PATA support" + depends on PCI + help + Enable support for the Compaq 'Triflex' IDE controller as found + on many Compaq Pentium-Pro systems, via the new ATA layer. + + If unsure, say N. + config PATA_VIA tristate "VIA PATA support" depends on PCI @@ -701,12 +651,99 @@ config PATA_WINBOND If unsure, say N. -config PATA_WINBOND_VLB - tristate "Winbond W83759A VLB PATA support (Experimental)" - depends on ISA && EXPERIMENTAL +endif # ATA_BMDMA + +comment "PIO-only SFF controllers" + +config PATA_AT32 + tristate "Atmel AVR32 PATA support (Experimental)" + depends on AVR32 && PLATFORM_AT32AP && EXPERIMENTAL help - Support for the Winbond W83759A controller on Vesa Local Bus - systems. + This option enables support for the IDE devices on the + Atmel AT32AP platform. + + If unsure, say N. + +config PATA_AT91 + tristate "PATA support for AT91SAM9260" + depends on ARM && ARCH_AT91 + help + This option enables support for IDE devices on the Atmel AT91SAM9260 SoC. + + If unsure, say N. + +config PATA_CMD640_PCI + tristate "CMD640 PCI PATA support (Experimental)" + depends on PCI && EXPERIMENTAL + help + This option enables support for the CMD640 PCI IDE + interface chip. Only the primary channel is currently + supported. + + If unsure, say N. + +config PATA_ISAPNP + tristate "ISA Plug and Play PATA support" + depends on ISAPNP + help + This option enables support for ISA plug & play ATA + controllers such as those found on old soundcards. + + If unsure, say N. + +config PATA_IXP4XX_CF + tristate "IXP4XX Compact Flash support" + depends on ARCH_IXP4XX + help + This option enables support for a Compact Flash connected on + the ixp4xx expansion bus. This driver had been written for + Loft/Avila boards in mind but can work with others. + + If unsure, say N. + +config PATA_MPIIX + tristate "Intel PATA MPIIX support" + depends on PCI + help + This option enables support for MPIIX PATA support. + + If unsure, say N. + +config PATA_NS87410 + tristate "Nat Semi NS87410 PATA support" + depends on PCI + help + This option enables support for the National Semiconductor + NS87410 PCI-IDE controller. + + If unsure, say N. + +config PATA_OPTI + tristate "OPTI621/6215 PATA support (Very Experimental)" + depends on PCI && EXPERIMENTAL + help + This option enables full PIO support for the early Opti ATA + controllers found on some old motherboards. + + If unsure, say N. + +config PATA_PALMLD + tristate "Palm LifeDrive PATA support" + depends on MACH_PALMLD + help + This option enables support for Palm LifeDrive's internal ATA + port via the new ATA layer. + + If unsure, say N. + +config PATA_PCMCIA + tristate "PCMCIA PATA support" + depends on PCMCIA + help + This option enables support for PCMCIA ATA interfaces, including + compact flash card adapters via the new ATA layer. + + If unsure, say N. config HAVE_PATA_PLATFORM bool @@ -725,14 +762,6 @@ config PATA_PLATFORM If unsure, say N. -config PATA_AT91 - tristate "PATA support for AT91SAM9260" - depends on ARM && ARCH_AT91 - help - This option enables support for IDE devices on the Atmel AT91SAM9260 SoC. - - If unsure, say N. - config PATA_OF_PLATFORM tristate "OpenFirmware platform device PATA support" depends on PATA_PLATFORM && PPC_OF @@ -743,69 +772,65 @@ config PATA_OF_PLATFORM If unsure, say N. -config PATA_ICSIDE - tristate "Acorn ICS PATA support" - depends on ARM && ARCH_ACORN +config PATA_QDI + tristate "QDI VLB PATA support" + depends on ISA help - On Acorn systems, say Y here if you wish to use the ICS PATA - interface card. This is not required for ICS partition support. - If you are unsure, say N to this. + Support for QDI 6500 and 6580 PATA controllers on VESA local bus. -config PATA_IXP4XX_CF - tristate "IXP4XX Compact Flash support" - depends on ARCH_IXP4XX +config PATA_RB532 + tristate "RouterBoard 532 PATA CompactFlash support" + depends on MIKROTIK_RB532 help - This option enables support for a Compact Flash connected on - the ixp4xx expansion bus. This driver had been written for - Loft/Avila boards in mind but can work with others. + This option enables support for the RouterBoard 532 + PATA CompactFlash controller. If unsure, say N. -config PATA_OCTEON_CF - tristate "OCTEON Boot Bus Compact Flash support" - depends on CPU_CAVIUM_OCTEON +config PATA_RZ1000 + tristate "PC Tech RZ1000 PATA support" + depends on PCI help - This option enables a polled compact flash driver for use with - compact flash cards attached to the OCTEON boot bus. + This option enables basic support for the PC Tech RZ1000/1 + PATA controllers via the new ATA layer If unsure, say N. -config PATA_SCC - tristate "Toshiba's Cell Reference Set IDE support" - depends on PCI && PPC_CELLEB +config PATA_WINBOND_VLB + tristate "Winbond W83759A VLB PATA support (Experimental)" + depends on ISA && EXPERIMENTAL help - This option enables support for the built-in IDE controller on - Toshiba Cell Reference Board. + Support for the Winbond W83759A controller on Vesa Local Bus + systems. - If unsure, say N. +comment "Generic fallback / legacy drivers" -config PATA_SCH - tristate "Intel SCH PATA support" - depends on PCI +config PATA_ACPI + tristate "ACPI firmware driver for PATA" + depends on ATA_ACPI && ATA_BMDMA help - This option enables support for Intel SCH PATA on the Intel - SCH (US15W, US15L, UL11L) series host controllers. - - If unsure, say N. + This option enables an ACPI method driver which drives + motherboard PATA controller interfaces through the ACPI + firmware in the BIOS. This driver can sometimes handle + otherwise unsupported hardware. -config PATA_BF54X - tristate "Blackfin 54x ATAPI support" - depends on BF542 || BF548 || BF549 +config ATA_GENERIC + tristate "Generic ATA support" + depends on PCI && ATA_BMDMA help - This option enables support for the built-in ATAPI controller on - Blackfin 54x family chips. + This option enables support for generic BIOS configured + ATA controllers via the new ATA layer If unsure, say N. -config PATA_MACIO - tristate "Apple PowerMac/PowerBook internal 'MacIO' IDE" - depends on PPC_PMAC +config PATA_LEGACY + tristate "Legacy ISA PATA support (Experimental)" + depends on (ISA || PCI) && EXPERIMENTAL help - Most IDE capable PowerMacs have IDE busses driven by a variant - of this controller which is part of the Apple chipset used on - most PowerMac models. Some models have multiple busses using - different chipsets, though generally, MacIO is one of them. + This option enables support for ISA/VLB/PCI bus legacy PATA + ports and allows them to be accessed via the new ATA layer. + If unsure, say N. endif # ATA_SFF endif # ATA diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile index d0a93c4ad3ec..7ef89d73df63 100644 --- a/drivers/ata/Makefile +++ b/drivers/ata/Makefile @@ -1,33 +1,39 @@ obj-$(CONFIG_ATA) += libata.o +# non-SFF interface obj-$(CONFIG_SATA_AHCI) += ahci.o libahci.o obj-$(CONFIG_SATA_AHCI_PLATFORM) += ahci_platform.o libahci.o -obj-$(CONFIG_SATA_SVW) += sata_svw.o +obj-$(CONFIG_SATA_FSL) += sata_fsl.o +obj-$(CONFIG_SATA_INIC162X) += sata_inic162x.o +obj-$(CONFIG_SATA_SIL24) += sata_sil24.o + +# SFF w/ custom DMA +obj-$(CONFIG_PDC_ADMA) += pdc_adma.o +obj-$(CONFIG_PATA_MPC52xx) += pata_mpc52xx.o +obj-$(CONFIG_PATA_OCTEON_CF) += pata_octeon_cf.o +obj-$(CONFIG_SATA_QSTOR) += sata_qstor.o +obj-$(CONFIG_SATA_SX4) += sata_sx4.o + +# SFF SATA w/ BMDMA obj-$(CONFIG_ATA_PIIX) += ata_piix.o +obj-$(CONFIG_SATA_MV) += sata_mv.o +obj-$(CONFIG_SATA_NV) += sata_nv.o obj-$(CONFIG_SATA_PROMISE) += sata_promise.o -obj-$(CONFIG_SATA_QSTOR) += sata_qstor.o obj-$(CONFIG_SATA_SIL) += sata_sil.o -obj-$(CONFIG_SATA_SIL24) += sata_sil24.o -obj-$(CONFIG_SATA_VIA) += sata_via.o -obj-$(CONFIG_SATA_VITESSE) += sata_vsc.o obj-$(CONFIG_SATA_SIS) += sata_sis.o -obj-$(CONFIG_SATA_SX4) += sata_sx4.o -obj-$(CONFIG_SATA_NV) += sata_nv.o +obj-$(CONFIG_SATA_SVW) += sata_svw.o obj-$(CONFIG_SATA_ULI) += sata_uli.o -obj-$(CONFIG_SATA_MV) += sata_mv.o -obj-$(CONFIG_SATA_INIC162X) += sata_inic162x.o -obj-$(CONFIG_PDC_ADMA) += pdc_adma.o -obj-$(CONFIG_SATA_FSL) += sata_fsl.o -obj-$(CONFIG_PATA_MACIO) += pata_macio.o +obj-$(CONFIG_SATA_VIA) += sata_via.o +obj-$(CONFIG_SATA_VITESSE) += sata_vsc.o +# SFF PATA w/ BMDMA obj-$(CONFIG_PATA_ALI) += pata_ali.o obj-$(CONFIG_PATA_AMD) += pata_amd.o obj-$(CONFIG_PATA_ARTOP) += pata_artop.o -obj-$(CONFIG_PATA_ATP867X) += pata_atp867x.o -obj-$(CONFIG_PATA_AT32) += pata_at32.o obj-$(CONFIG_PATA_ATIIXP) += pata_atiixp.o -obj-$(CONFIG_PATA_CMD640_PCI) += pata_cmd640.o +obj-$(CONFIG_PATA_ATP867X) += pata_atp867x.o +obj-$(CONFIG_PATA_BF54X) += pata_bf54x.o obj-$(CONFIG_PATA_CMD64X) += pata_cmd64x.o obj-$(CONFIG_PATA_CS5520) += pata_cs5520.o obj-$(CONFIG_PATA_CS5530) += pata_cs5530.o @@ -39,47 +45,50 @@ obj-$(CONFIG_PATA_HPT366) += pata_hpt366.o obj-$(CONFIG_PATA_HPT37X) += pata_hpt37x.o obj-$(CONFIG_PATA_HPT3X2N) += pata_hpt3x2n.o obj-$(CONFIG_PATA_HPT3X3) += pata_hpt3x3.o -obj-$(CONFIG_PATA_ISAPNP) += pata_isapnp.o -obj-$(CONFIG_PATA_IT821X) += pata_it821x.o +obj-$(CONFIG_PATA_ICSIDE) += pata_icside.o obj-$(CONFIG_PATA_IT8213) += pata_it8213.o +obj-$(CONFIG_PATA_IT821X) += pata_it821x.o obj-$(CONFIG_PATA_JMICRON) += pata_jmicron.o +obj-$(CONFIG_PATA_MACIO) += pata_macio.o +obj-$(CONFIG_PATA_MARVELL) += pata_marvell.o obj-$(CONFIG_PATA_NETCELL) += pata_netcell.o obj-$(CONFIG_PATA_NINJA32) += pata_ninja32.o -obj-$(CONFIG_PATA_NS87410) += pata_ns87410.o obj-$(CONFIG_PATA_NS87415) += pata_ns87415.o -obj-$(CONFIG_PATA_OPTI) += pata_opti.o -obj-$(CONFIG_PATA_OPTIDMA) += pata_optidma.o -obj-$(CONFIG_PATA_MPC52xx) += pata_mpc52xx.o -obj-$(CONFIG_PATA_MARVELL) += pata_marvell.o -obj-$(CONFIG_PATA_MPIIX) += pata_mpiix.o obj-$(CONFIG_PATA_OLDPIIX) += pata_oldpiix.o -obj-$(CONFIG_PATA_PALMLD) += pata_palmld.o -obj-$(CONFIG_PATA_PCMCIA) += pata_pcmcia.o +obj-$(CONFIG_PATA_OPTIDMA) += pata_optidma.o obj-$(CONFIG_PATA_PDC2027X) += pata_pdc2027x.o obj-$(CONFIG_PATA_PDC_OLD) += pata_pdc202xx_old.o -obj-$(CONFIG_PATA_QDI) += pata_qdi.o obj-$(CONFIG_PATA_RADISYS) += pata_radisys.o -obj-$(CONFIG_PATA_RB532) += pata_rb532_cf.o obj-$(CONFIG_PATA_RDC) += pata_rdc.o -obj-$(CONFIG_PATA_RZ1000) += pata_rz1000.o obj-$(CONFIG_PATA_SC1200) += pata_sc1200.o +obj-$(CONFIG_PATA_SCC) += pata_scc.o +obj-$(CONFIG_PATA_SCH) += pata_sch.o obj-$(CONFIG_PATA_SERVERWORKS) += pata_serverworks.o obj-$(CONFIG_PATA_SIL680) += pata_sil680.o +obj-$(CONFIG_PATA_SIS) += pata_sis.o obj-$(CONFIG_PATA_TOSHIBA) += pata_piccolo.o +obj-$(CONFIG_PATA_TRIFLEX) += pata_triflex.o obj-$(CONFIG_PATA_VIA) += pata_via.o obj-$(CONFIG_PATA_WINBOND) += pata_sl82c105.o -obj-$(CONFIG_PATA_WINBOND_VLB) += pata_winbond.o -obj-$(CONFIG_PATA_SIS) += pata_sis.o -obj-$(CONFIG_PATA_TRIFLEX) += pata_triflex.o + +# SFF PIO only +obj-$(CONFIG_PATA_AT32) += pata_at32.o +obj-$(CONFIG_PATA_AT91) += pata_at91.o +obj-$(CONFIG_PATA_CMD640_PCI) += pata_cmd640.o +obj-$(CONFIG_PATA_ISAPNP) += pata_isapnp.o obj-$(CONFIG_PATA_IXP4XX_CF) += pata_ixp4xx_cf.o -obj-$(CONFIG_PATA_SCC) += pata_scc.o -obj-$(CONFIG_PATA_SCH) += pata_sch.o -obj-$(CONFIG_PATA_BF54X) += pata_bf54x.o -obj-$(CONFIG_PATA_OCTEON_CF) += pata_octeon_cf.o +obj-$(CONFIG_PATA_MPIIX) += pata_mpiix.o +obj-$(CONFIG_PATA_NS87410) += pata_ns87410.o +obj-$(CONFIG_PATA_OPTI) += pata_opti.o +obj-$(CONFIG_PATA_PCMCIA) += pata_pcmcia.o +obj-$(CONFIG_PATA_PALMLD) += pata_palmld.o obj-$(CONFIG_PATA_PLATFORM) += pata_platform.o -obj-$(CONFIG_PATA_AT91) += pata_at91.o obj-$(CONFIG_PATA_OF_PLATFORM) += pata_of_platform.o -obj-$(CONFIG_PATA_ICSIDE) += pata_icside.o +obj-$(CONFIG_PATA_QDI) += pata_qdi.o +obj-$(CONFIG_PATA_RB532) += pata_rb532_cf.o +obj-$(CONFIG_PATA_RZ1000) += pata_rz1000.o +obj-$(CONFIG_PATA_WINBOND_VLB) += pata_winbond.o + # Should be last but two libata driver obj-$(CONFIG_PATA_ACPI) += pata_acpi.o # Should be last but one libata driver diff --git a/drivers/ata/ata_generic.c b/drivers/ata/ata_generic.c index 33fb614f9784..573158a9668d 100644 --- a/drivers/ata/ata_generic.c +++ b/drivers/ata/ata_generic.c @@ -155,7 +155,7 @@ static int ata_generic_init_one(struct pci_dev *dev, const struct pci_device_id return rc; pcim_pin_device(dev); } - return ata_pci_sff_init_one(dev, ppi, &generic_sht, NULL, 0); + return ata_pci_bmdma_init_one(dev, ppi, &generic_sht, NULL, 0); } static struct pci_device_id ata_generic[] = { diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index ec52fc618763..7409f98d2ae6 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -1589,7 +1589,7 @@ static int __devinit piix_init_one(struct pci_dev *pdev, hpriv->map = piix_init_sata_map(pdev, port_info, piix_map_db_table[ent->driver_data]); - rc = ata_pci_sff_prepare_host(pdev, ppi, &host); + rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host); if (rc) return rc; host->private_data = hpriv; @@ -1626,7 +1626,7 @@ static int __devinit piix_init_one(struct pci_dev *pdev, host->flags |= ATA_HOST_PARALLEL_SCAN; pci_set_master(pdev); - return ata_pci_sff_activate_host(host, ata_sff_interrupt, &piix_sht); + return ata_pci_sff_activate_host(host, ata_bmdma_interrupt, &piix_sht); } static void piix_remove_one(struct pci_dev *pdev) diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index c47373f01f89..06b7e49e039c 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -160,6 +160,10 @@ int libata_allow_tpm = 0; module_param_named(allow_tpm, libata_allow_tpm, int, 0444); MODULE_PARM_DESC(allow_tpm, "Permit the use of TPM commands (0=off [default], 1=on)"); +static int atapi_an; +module_param(atapi_an, int, 0444); +MODULE_PARM_DESC(atapi_an, "Enable ATAPI AN media presence notification (0=0ff [default], 1=on)"); + MODULE_AUTHOR("Jeff Garzik"); MODULE_DESCRIPTION("Library module for ATA devices"); MODULE_LICENSE("GPL"); @@ -2122,6 +2126,14 @@ retry: goto err_out; } + if (dev->horkage & ATA_HORKAGE_DUMP_ID) { + ata_dev_printk(dev, KERN_DEBUG, "dumping IDENTIFY data, " + "class=%d may_fallback=%d tried_spinup=%d\n", + class, may_fallback, tried_spinup); + print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET, + 16, 2, id, ATA_ID_WORDS * sizeof(*id), true); + } + /* Falling back doesn't make sense if ID data was read * successfully at least once. */ @@ -2510,7 +2522,8 @@ int ata_dev_configure(struct ata_device *dev) * to enable ATAPI AN to discern between PHY status * changed notifications and ATAPI ANs. */ - if ((ap->flags & ATA_FLAG_AN) && ata_id_has_atapi_AN(id) && + if (atapi_an && + (ap->flags & ATA_FLAG_AN) && ata_id_has_atapi_AN(id) && (!sata_pmp_attached(ap) || sata_scr_read(&ap->link, SCR_NOTIFICATION, &sntf) == 0)) { unsigned int err_mask; @@ -6372,6 +6385,7 @@ static int __init ata_parse_force_one(char **cur, { "3.0Gbps", .spd_limit = 2 }, { "noncq", .horkage_on = ATA_HORKAGE_NONCQ }, { "ncq", .horkage_off = ATA_HORKAGE_NONCQ }, + { "dump_id", .horkage_on = ATA_HORKAGE_DUMP_ID }, { "pio0", .xfer_mask = 1 << (ATA_SHIFT_PIO + 0) }, { "pio1", .xfer_mask = 1 << (ATA_SHIFT_PIO + 1) }, { "pio2", .xfer_mask = 1 << (ATA_SHIFT_PIO + 2) }, diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 19ddf924944f..efa4a18cfb9d 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -63,7 +63,6 @@ const struct ata_port_operations ata_sff_port_ops = { .sff_tf_read = ata_sff_tf_read, .sff_exec_command = ata_sff_exec_command, .sff_data_xfer = ata_sff_data_xfer, - .sff_irq_clear = ata_sff_irq_clear, .sff_drain_fifo = ata_sff_drain_fifo, .lost_interrupt = ata_sff_lost_interrupt, @@ -395,33 +394,12 @@ void ata_sff_irq_on(struct ata_port *ap) ata_sff_set_devctl(ap, ap->ctl); ata_wait_idle(ap); - ap->ops->sff_irq_clear(ap); + if (ap->ops->sff_irq_clear) + ap->ops->sff_irq_clear(ap); } EXPORT_SYMBOL_GPL(ata_sff_irq_on); /** - * ata_sff_irq_clear - Clear PCI IDE BMDMA interrupt. - * @ap: Port associated with this ATA transaction. - * - * Clear interrupt and error flags in DMA status register. - * - * May be used as the irq_clear() entry in ata_port_operations. - * - * LOCKING: - * spin_lock_irqsave(host lock) - */ -void ata_sff_irq_clear(struct ata_port *ap) -{ - void __iomem *mmio = ap->ioaddr.bmdma_addr; - - if (!mmio) - return; - - iowrite8(ioread8(mmio + ATA_DMA_STATUS), mmio + ATA_DMA_STATUS); -} -EXPORT_SYMBOL_GPL(ata_sff_irq_clear); - -/** * ata_sff_tf_load - send taskfile registers to host controller * @ap: Port to which output is sent * @tf: ATA taskfile register set @@ -820,11 +798,15 @@ static void atapi_send_cdb(struct ata_port *ap, struct ata_queued_cmd *qc) case ATAPI_PROT_NODATA: ap->hsm_task_state = HSM_ST_LAST; break; +#ifdef CONFIG_ATA_BMDMA case ATAPI_PROT_DMA: ap->hsm_task_state = HSM_ST_LAST; /* initiate bmdma */ ap->ops->bmdma_start(qc); break; +#endif /* CONFIG_ATA_BMDMA */ + default: + BUG(); } } @@ -1491,27 +1473,27 @@ bool ata_sff_qc_fill_rtf(struct ata_queued_cmd *qc) } EXPORT_SYMBOL_GPL(ata_sff_qc_fill_rtf); -/** - * ata_sff_host_intr - Handle host interrupt for given (port, task) - * @ap: Port on which interrupt arrived (possibly...) - * @qc: Taskfile currently active in engine - * - * Handle host interrupt for given queued command. Currently, - * only DMA interrupts are handled. All other commands are - * handled via polling with interrupts disabled (nIEN bit). - * - * LOCKING: - * spin_lock_irqsave(host lock) - * - * RETURNS: - * One if interrupt was handled, zero if not (shared irq). - */ -unsigned int ata_sff_host_intr(struct ata_port *ap, - struct ata_queued_cmd *qc) +static unsigned int ata_sff_idle_irq(struct ata_port *ap) { - struct ata_eh_info *ehi = &ap->link.eh_info; - u8 status, host_stat = 0; - bool bmdma_stopped = false; + ap->stats.idle_irq++; + +#ifdef ATA_IRQ_TRAP + if ((ap->stats.idle_irq % 1000) == 0) { + ap->ops->sff_check_status(ap); + if (ap->ops->sff_irq_clear) + ap->ops->sff_irq_clear(ap); + ata_port_printk(ap, KERN_WARNING, "irq trap\n"); + return 1; + } +#endif + return 0; /* irq not handled */ +} + +static unsigned int __ata_sff_port_intr(struct ata_port *ap, + struct ata_queued_cmd *qc, + bool hsmv_on_idle) +{ + u8 status; VPRINTK("ata%u: protocol %d task_state %d\n", ap->print_id, qc->tf.protocol, ap->hsm_task_state); @@ -1528,90 +1510,56 @@ unsigned int ata_sff_host_intr(struct ata_port *ap, * need to check ata_is_atapi(qc->tf.protocol) again. */ if (!(qc->dev->flags & ATA_DFLAG_CDB_INTR)) - goto idle_irq; - break; - case HSM_ST_LAST: - if (qc->tf.protocol == ATA_PROT_DMA || - qc->tf.protocol == ATAPI_PROT_DMA) { - /* check status of DMA engine */ - host_stat = ap->ops->bmdma_status(ap); - VPRINTK("ata%u: host_stat 0x%X\n", - ap->print_id, host_stat); - - /* if it's not our irq... */ - if (!(host_stat & ATA_DMA_INTR)) - goto idle_irq; - - /* before we do anything else, clear DMA-Start bit */ - ap->ops->bmdma_stop(qc); - bmdma_stopped = true; - - if (unlikely(host_stat & ATA_DMA_ERR)) { - /* error when transfering data to/from memory */ - qc->err_mask |= AC_ERR_HOST_BUS; - ap->hsm_task_state = HSM_ST_ERR; - } - } + return ata_sff_idle_irq(ap); break; case HSM_ST: + case HSM_ST_LAST: break; default: - goto idle_irq; + return ata_sff_idle_irq(ap); } - /* check main status, clearing INTRQ if needed */ status = ata_sff_irq_status(ap); if (status & ATA_BUSY) { - if (bmdma_stopped) { + if (hsmv_on_idle) { /* BMDMA engine is already stopped, we're screwed */ qc->err_mask |= AC_ERR_HSM; ap->hsm_task_state = HSM_ST_ERR; } else - goto idle_irq; + return ata_sff_idle_irq(ap); } /* clear irq events */ - ap->ops->sff_irq_clear(ap); + if (ap->ops->sff_irq_clear) + ap->ops->sff_irq_clear(ap); ata_sff_hsm_move(ap, qc, status, 0); - if (unlikely(qc->err_mask) && (qc->tf.protocol == ATA_PROT_DMA || - qc->tf.protocol == ATAPI_PROT_DMA)) - ata_ehi_push_desc(ehi, "BMDMA stat 0x%x", host_stat); - return 1; /* irq handled */ - -idle_irq: - ap->stats.idle_irq++; - -#ifdef ATA_IRQ_TRAP - if ((ap->stats.idle_irq % 1000) == 0) { - ap->ops->sff_check_status(ap); - ap->ops->sff_irq_clear(ap); - ata_port_printk(ap, KERN_WARNING, "irq trap\n"); - return 1; - } -#endif - return 0; /* irq not handled */ } -EXPORT_SYMBOL_GPL(ata_sff_host_intr); /** - * ata_sff_interrupt - Default ATA host interrupt handler - * @irq: irq line (unused) - * @dev_instance: pointer to our ata_host information structure + * ata_sff_port_intr - Handle SFF port interrupt + * @ap: Port on which interrupt arrived (possibly...) + * @qc: Taskfile currently active in engine * - * Default interrupt handler for PCI IDE devices. Calls - * ata_sff_host_intr() for each port that is not disabled. + * Handle port interrupt for given queued command. * * LOCKING: - * Obtains host lock during operation. + * spin_lock_irqsave(host lock) * * RETURNS: - * IRQ_NONE or IRQ_HANDLED. + * One if interrupt was handled, zero if not (shared irq). */ -irqreturn_t ata_sff_interrupt(int irq, void *dev_instance) +unsigned int ata_sff_port_intr(struct ata_port *ap, struct ata_queued_cmd *qc) +{ + return __ata_sff_port_intr(ap, qc, false); +} +EXPORT_SYMBOL_GPL(ata_sff_port_intr); + +static inline irqreturn_t __ata_sff_interrupt(int irq, void *dev_instance, + unsigned int (*port_intr)(struct ata_port *, struct ata_queued_cmd *)) { struct ata_host *host = dev_instance; bool retried = false; @@ -1631,7 +1579,7 @@ retry: qc = ata_qc_from_tag(ap, ap->link.active_tag); if (qc) { if (!(qc->tf.flags & ATA_TFLAG_POLLING)) - handled |= ata_sff_host_intr(ap, qc); + handled |= port_intr(ap, qc); else polling |= 1 << i; } else @@ -1658,7 +1606,8 @@ retry: if (idle & (1 << i)) { ap->ops->sff_check_status(ap); - ap->ops->sff_irq_clear(ap); + if (ap->ops->sff_irq_clear) + ap->ops->sff_irq_clear(ap); } else { /* clear INTRQ and check if BUSY cleared */ if (!(ap->ops->sff_check_status(ap) & ATA_BUSY)) @@ -1680,6 +1629,25 @@ retry: return IRQ_RETVAL(handled); } + +/** + * ata_sff_interrupt - Default SFF ATA host interrupt handler + * @irq: irq line (unused) + * @dev_instance: pointer to our ata_host information structure + * + * Default interrupt handler for PCI IDE devices. Calls + * ata_sff_port_intr() for each port that is not disabled. + * + * LOCKING: + * Obtains host lock during operation. + * + * RETURNS: + * IRQ_NONE or IRQ_HANDLED. + */ +irqreturn_t ata_sff_interrupt(int irq, void *dev_instance) +{ + return __ata_sff_interrupt(irq, dev_instance, ata_sff_port_intr); +} EXPORT_SYMBOL_GPL(ata_sff_interrupt); /** @@ -1717,7 +1685,7 @@ void ata_sff_lost_interrupt(struct ata_port *ap) status); /* Run the host interrupt logic as if the interrupt had not been lost */ - ata_sff_host_intr(ap, qc); + ata_sff_port_intr(ap, qc); } EXPORT_SYMBOL_GPL(ata_sff_lost_interrupt); @@ -1744,7 +1712,8 @@ void ata_sff_freeze(struct ata_port *ap) */ ap->ops->sff_check_status(ap); - ap->ops->sff_irq_clear(ap); + if (ap->ops->sff_irq_clear) + ap->ops->sff_irq_clear(ap); } EXPORT_SYMBOL_GPL(ata_sff_freeze); @@ -1761,7 +1730,8 @@ void ata_sff_thaw(struct ata_port *ap) { /* clear & re-enable interrupts */ ap->ops->sff_check_status(ap); - ap->ops->sff_irq_clear(ap); + if (ap->ops->sff_irq_clear) + ap->ops->sff_irq_clear(ap); ata_sff_irq_on(ap); } EXPORT_SYMBOL_GPL(ata_sff_thaw); @@ -2349,13 +2319,13 @@ int ata_pci_sff_init_host(struct ata_host *host) EXPORT_SYMBOL_GPL(ata_pci_sff_init_host); /** - * ata_pci_sff_prepare_host - helper to prepare native PCI ATA host + * ata_pci_sff_prepare_host - helper to prepare PCI PIO-only SFF ATA host * @pdev: target PCI device * @ppi: array of port_info, must be enough for two ports * @r_host: out argument for the initialized ATA host * - * Helper to allocate ATA host for @pdev, acquire all native PCI - * resources and initialize it accordingly in one go. + * Helper to allocate PIO-only SFF ATA host for @pdev, acquire + * all PCI resources and initialize it accordingly in one go. * * LOCKING: * Inherited from calling layer (may sleep). @@ -2385,9 +2355,6 @@ int ata_pci_sff_prepare_host(struct pci_dev *pdev, if (rc) goto err_out; - /* init DMA related stuff */ - ata_pci_bmdma_init(host); - devres_remove_group(&pdev->dev, NULL); *r_host = host; return 0; @@ -2492,8 +2459,21 @@ out: } EXPORT_SYMBOL_GPL(ata_pci_sff_activate_host); +static const struct ata_port_info *ata_sff_find_valid_pi( + const struct ata_port_info * const *ppi) +{ + int i; + + /* look up the first valid port_info */ + for (i = 0; i < 2 && ppi[i]; i++) + if (ppi[i]->port_ops != &ata_dummy_port_ops) + return ppi[i]; + + return NULL; +} + /** - * ata_pci_sff_init_one - Initialize/register PCI IDE host controller + * ata_pci_sff_init_one - Initialize/register PIO-only PCI IDE controller * @pdev: Controller to be initialized * @ppi: array of port_info, must be enough for two ports * @sht: scsi_host_template to use when registering the host @@ -2502,11 +2482,7 @@ EXPORT_SYMBOL_GPL(ata_pci_sff_activate_host); * * This is a helper function which can be called from a driver's * xxx_init_one() probe function if the hardware uses traditional - * IDE taskfile registers. - * - * This function calls pci_enable_device(), reserves its register - * regions, sets the dma mask, enables bus master mode, and calls - * ata_device_add() + * IDE taskfile registers and is PIO only. * * ASSUMPTION: * Nobody makes a single channel controller that appears solely as @@ -2523,20 +2499,13 @@ int ata_pci_sff_init_one(struct pci_dev *pdev, struct scsi_host_template *sht, void *host_priv, int hflag) { struct device *dev = &pdev->dev; - const struct ata_port_info *pi = NULL; + const struct ata_port_info *pi; struct ata_host *host = NULL; - int i, rc; + int rc; DPRINTK("ENTER\n"); - /* look up the first valid port_info */ - for (i = 0; i < 2 && ppi[i]; i++) { - if (ppi[i]->port_ops != &ata_dummy_port_ops) { - pi = ppi[i]; - break; - } - } - + pi = ata_sff_find_valid_pi(ppi); if (!pi) { dev_printk(KERN_ERR, &pdev->dev, "no valid port_info specified\n"); @@ -2557,7 +2526,6 @@ int ata_pci_sff_init_one(struct pci_dev *pdev, host->private_data = host_priv; host->flags |= hflag; - pci_set_master(pdev); rc = ata_pci_sff_activate_host(host, ata_sff_interrupt, sht); out: if (rc == 0) @@ -2571,6 +2539,12 @@ EXPORT_SYMBOL_GPL(ata_pci_sff_init_one); #endif /* CONFIG_PCI */ +/* + * BMDMA support + */ + +#ifdef CONFIG_ATA_BMDMA + const struct ata_port_operations ata_bmdma_port_ops = { .inherits = &ata_sff_port_ops, @@ -2580,6 +2554,7 @@ const struct ata_port_operations ata_bmdma_port_ops = { .qc_prep = ata_bmdma_qc_prep, .qc_issue = ata_bmdma_qc_issue, + .sff_irq_clear = ata_bmdma_irq_clear, .bmdma_setup = ata_bmdma_setup, .bmdma_start = ata_bmdma_start, .bmdma_stop = ata_bmdma_stop, @@ -2804,6 +2779,75 @@ unsigned int ata_bmdma_qc_issue(struct ata_queued_cmd *qc) EXPORT_SYMBOL_GPL(ata_bmdma_qc_issue); /** + * ata_bmdma_port_intr - Handle BMDMA port interrupt + * @ap: Port on which interrupt arrived (possibly...) + * @qc: Taskfile currently active in engine + * + * Handle port interrupt for given queued command. + * + * LOCKING: + * spin_lock_irqsave(host lock) + * + * RETURNS: + * One if interrupt was handled, zero if not (shared irq). + */ +unsigned int ata_bmdma_port_intr(struct ata_port *ap, struct ata_queued_cmd *qc) +{ + struct ata_eh_info *ehi = &ap->link.eh_info; + u8 host_stat = 0; + bool bmdma_stopped = false; + unsigned int handled; + + if (ap->hsm_task_state == HSM_ST_LAST && ata_is_dma(qc->tf.protocol)) { + /* check status of DMA engine */ + host_stat = ap->ops->bmdma_status(ap); + VPRINTK("ata%u: host_stat 0x%X\n", ap->print_id, host_stat); + + /* if it's not our irq... */ + if (!(host_stat & ATA_DMA_INTR)) + return ata_sff_idle_irq(ap); + + /* before we do anything else, clear DMA-Start bit */ + ap->ops->bmdma_stop(qc); + bmdma_stopped = true; + + if (unlikely(host_stat & ATA_DMA_ERR)) { + /* error when transfering data to/from memory */ + qc->err_mask |= AC_ERR_HOST_BUS; + ap->hsm_task_state = HSM_ST_ERR; + } + } + + handled = __ata_sff_port_intr(ap, qc, bmdma_stopped); + + if (unlikely(qc->err_mask) && ata_is_dma(qc->tf.protocol)) + ata_ehi_push_desc(ehi, "BMDMA stat 0x%x", host_stat); + + return handled; +} +EXPORT_SYMBOL_GPL(ata_bmdma_port_intr); + +/** + * ata_bmdma_interrupt - Default BMDMA ATA host interrupt handler + * @irq: irq line (unused) + * @dev_instance: pointer to our ata_host information structure + * + * Default interrupt handler for PCI IDE devices. Calls + * ata_bmdma_port_intr() for each port that is not disabled. + * + * LOCKING: + * Obtains host lock during operation. + * + * RETURNS: + * IRQ_NONE or IRQ_HANDLED. + */ +irqreturn_t ata_bmdma_interrupt(int irq, void *dev_instance) +{ + return __ata_sff_interrupt(irq, dev_instance, ata_bmdma_port_intr); +} +EXPORT_SYMBOL_GPL(ata_bmdma_interrupt); + +/** * ata_bmdma_error_handler - Stock error handler for BMDMA controller * @ap: port to handle error for * @@ -2848,7 +2892,8 @@ void ata_bmdma_error_handler(struct ata_port *ap) /* if we're gonna thaw, make sure IRQ is clear */ if (thaw) { ap->ops->sff_check_status(ap); - ap->ops->sff_irq_clear(ap); + if (ap->ops->sff_irq_clear) + ap->ops->sff_irq_clear(ap); } } @@ -2882,6 +2927,28 @@ void ata_bmdma_post_internal_cmd(struct ata_queued_cmd *qc) EXPORT_SYMBOL_GPL(ata_bmdma_post_internal_cmd); /** + * ata_bmdma_irq_clear - Clear PCI IDE BMDMA interrupt. + * @ap: Port associated with this ATA transaction. + * + * Clear interrupt and error flags in DMA status register. + * + * May be used as the irq_clear() entry in ata_port_operations. + * + * LOCKING: + * spin_lock_irqsave(host lock) + */ +void ata_bmdma_irq_clear(struct ata_port *ap) +{ + void __iomem *mmio = ap->ioaddr.bmdma_addr; + + if (!mmio) + return; + + iowrite8(ioread8(mmio + ATA_DMA_STATUS), mmio + ATA_DMA_STATUS); +} +EXPORT_SYMBOL_GPL(ata_bmdma_irq_clear); + +/** * ata_bmdma_setup - Set up PCI IDE BMDMA transaction * @qc: Info associated with this ATA transaction. * @@ -3137,7 +3204,100 @@ void ata_pci_bmdma_init(struct ata_host *host) } EXPORT_SYMBOL_GPL(ata_pci_bmdma_init); +/** + * ata_pci_bmdma_prepare_host - helper to prepare PCI BMDMA ATA host + * @pdev: target PCI device + * @ppi: array of port_info, must be enough for two ports + * @r_host: out argument for the initialized ATA host + * + * Helper to allocate BMDMA ATA host for @pdev, acquire all PCI + * resources and initialize it accordingly in one go. + * + * LOCKING: + * Inherited from calling layer (may sleep). + * + * RETURNS: + * 0 on success, -errno otherwise. + */ +int ata_pci_bmdma_prepare_host(struct pci_dev *pdev, + const struct ata_port_info * const * ppi, + struct ata_host **r_host) +{ + int rc; + + rc = ata_pci_sff_prepare_host(pdev, ppi, r_host); + if (rc) + return rc; + + ata_pci_bmdma_init(*r_host); + return 0; +} +EXPORT_SYMBOL_GPL(ata_pci_bmdma_prepare_host); + +/** + * ata_pci_bmdma_init_one - Initialize/register BMDMA PCI IDE controller + * @pdev: Controller to be initialized + * @ppi: array of port_info, must be enough for two ports + * @sht: scsi_host_template to use when registering the host + * @host_priv: host private_data + * @hflags: host flags + * + * This function is similar to ata_pci_sff_init_one() but also + * takes care of BMDMA initialization. + * + * LOCKING: + * Inherited from PCI layer (may sleep). + * + * RETURNS: + * Zero on success, negative on errno-based value on error. + */ +int ata_pci_bmdma_init_one(struct pci_dev *pdev, + const struct ata_port_info * const * ppi, + struct scsi_host_template *sht, void *host_priv, + int hflags) +{ + struct device *dev = &pdev->dev; + const struct ata_port_info *pi; + struct ata_host *host = NULL; + int rc; + + DPRINTK("ENTER\n"); + + pi = ata_sff_find_valid_pi(ppi); + if (!pi) { + dev_printk(KERN_ERR, &pdev->dev, + "no valid port_info specified\n"); + return -EINVAL; + } + + if (!devres_open_group(dev, NULL, GFP_KERNEL)) + return -ENOMEM; + + rc = pcim_enable_device(pdev); + if (rc) + goto out; + + /* prepare and activate BMDMA host */ + rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host); + if (rc) + goto out; + host->private_data = host_priv; + host->flags |= hflags; + + pci_set_master(pdev); + rc = ata_pci_sff_activate_host(host, ata_bmdma_interrupt, sht); + out: + if (rc == 0) + devres_remove_group(&pdev->dev, NULL); + else + devres_release_group(&pdev->dev, NULL); + + return rc; +} +EXPORT_SYMBOL_GPL(ata_pci_bmdma_init_one); + #endif /* CONFIG_PCI */ +#endif /* CONFIG_ATA_BMDMA */ /** * ata_sff_port_init - Initialize SFF/BMDMA ATA port diff --git a/drivers/ata/pata_acpi.c b/drivers/ata/pata_acpi.c index 066b9f301ed5..c8d47034d5e9 100644 --- a/drivers/ata/pata_acpi.c +++ b/drivers/ata/pata_acpi.c @@ -260,7 +260,7 @@ static int pacpi_init_one (struct pci_dev *pdev, const struct pci_device_id *id) return rc; pcim_pin_device(pdev); } - return ata_pci_sff_init_one(pdev, ppi, &pacpi_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &pacpi_sht, NULL, 0); } static const struct pci_device_id pacpi_pci_tbl[] = { diff --git a/drivers/ata/pata_ali.c b/drivers/ata/pata_ali.c index f306e10c748d..794ec6e3275d 100644 --- a/drivers/ata/pata_ali.c +++ b/drivers/ata/pata_ali.c @@ -583,7 +583,10 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id) ppi[0] = &info_20_udma; } - return ata_pci_sff_init_one(pdev, ppi, &ali_sht, NULL, 0); + if (!ppi[0]->mwdma_mask && !ppi[0]->udma_mask) + return ata_pci_sff_init_one(pdev, ppi, &ali_sht, NULL, 0); + else + return ata_pci_bmdma_init_one(pdev, ppi, &ali_sht, NULL, 0); } #ifdef CONFIG_PM diff --git a/drivers/ata/pata_amd.c b/drivers/ata/pata_amd.c index d95eca9c547e..620a07cabe31 100644 --- a/drivers/ata/pata_amd.c +++ b/drivers/ata/pata_amd.c @@ -574,7 +574,7 @@ static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id) } /* And fire it up */ - return ata_pci_sff_init_one(pdev, ppi, &amd_sht, hpriv, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &amd_sht, hpriv, 0); } #ifdef CONFIG_PM diff --git a/drivers/ata/pata_artop.c b/drivers/ata/pata_artop.c index 4d066d6c30fa..ba43f0f8c880 100644 --- a/drivers/ata/pata_artop.c +++ b/drivers/ata/pata_artop.c @@ -421,7 +421,7 @@ static int artop_init_one (struct pci_dev *pdev, const struct pci_device_id *id) BUG_ON(ppi[0] == NULL); - return ata_pci_sff_init_one(pdev, ppi, &artop_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &artop_sht, NULL, 0); } static const struct pci_device_id artop_pci_tbl[] = { diff --git a/drivers/ata/pata_atiixp.c b/drivers/ata/pata_atiixp.c index 44d88b380ddd..43755616dc5a 100644 --- a/drivers/ata/pata_atiixp.c +++ b/drivers/ata/pata_atiixp.c @@ -246,8 +246,8 @@ static int atiixp_init_one(struct pci_dev *pdev, const struct pci_device_id *id) if (!pci_test_config_bits(pdev, &atiixp_enable_bits[i])) ppi[i] = &ata_dummy_port_info; - return ata_pci_sff_init_one(pdev, ppi, &atiixp_sht, NULL, - ATA_HOST_PARALLEL_SCAN); + return ata_pci_bmdma_init_one(pdev, ppi, &atiixp_sht, NULL, + ATA_HOST_PARALLEL_SCAN); } static const struct pci_device_id atiixp[] = { diff --git a/drivers/ata/pata_atp867x.c b/drivers/ata/pata_atp867x.c index bb6e0746e07d..95295935dd95 100644 --- a/drivers/ata/pata_atp867x.c +++ b/drivers/ata/pata_atp867x.c @@ -525,7 +525,7 @@ static int atp867x_init_one(struct pci_dev *pdev, pci_set_master(pdev); - rc = ata_host_activate(host, pdev->irq, ata_sff_interrupt, + rc = ata_host_activate(host, pdev->irq, ata_bmdma_interrupt, IRQF_SHARED, &atp867x_sht); if (rc) dev_printk(KERN_ERR, &pdev->dev, "failed to activate host\n"); diff --git a/drivers/ata/pata_bf54x.c b/drivers/ata/pata_bf54x.c index 6422cfd13d0d..9cae65de750e 100644 --- a/drivers/ata/pata_bf54x.c +++ b/drivers/ata/pata_bf54x.c @@ -1214,7 +1214,7 @@ static unsigned int bfin_data_xfer(struct ata_device *dev, unsigned char *buf, * bfin_irq_clear - Clear ATAPI interrupt. * @ap: Port associated with this ATA transaction. * - * Note: Original code is ata_sff_irq_clear(). + * Note: Original code is ata_bmdma_irq_clear(). */ static void bfin_irq_clear(struct ata_port *ap) diff --git a/drivers/ata/pata_cmd64x.c b/drivers/ata/pata_cmd64x.c index 4c81a71b8877..9f5da1c7454b 100644 --- a/drivers/ata/pata_cmd64x.c +++ b/drivers/ata/pata_cmd64x.c @@ -367,7 +367,7 @@ static int cmd64x_init_one(struct pci_dev *pdev, const struct pci_device_id *id) pci_write_config_byte(pdev, UDIDETCR0, 0xF0); #endif - return ata_pci_sff_init_one(pdev, ppi, &cmd64x_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &cmd64x_sht, NULL, 0); } #ifdef CONFIG_PM diff --git a/drivers/ata/pata_cs5520.c b/drivers/ata/pata_cs5520.c index 17c5f346ff01..030952f1f97c 100644 --- a/drivers/ata/pata_cs5520.c +++ b/drivers/ata/pata_cs5520.c @@ -221,7 +221,7 @@ static int __devinit cs5520_init_one(struct pci_dev *pdev, const struct pci_devi continue; rc = devm_request_irq(&pdev->dev, irq[ap->port_no], - ata_sff_interrupt, 0, DRV_NAME, host); + ata_bmdma_interrupt, 0, DRV_NAME, host); if (rc) return rc; diff --git a/drivers/ata/pata_cs5530.c b/drivers/ata/pata_cs5530.c index e809a4233a81..f792330f0d8e 100644 --- a/drivers/ata/pata_cs5530.c +++ b/drivers/ata/pata_cs5530.c @@ -324,7 +324,7 @@ static int cs5530_init_one(struct pci_dev *pdev, const struct pci_device_id *id) ppi[1] = &info_palmax_secondary; /* Now kick off ATA set up */ - return ata_pci_sff_init_one(pdev, ppi, &cs5530_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &cs5530_sht, NULL, 0); } #ifdef CONFIG_PM diff --git a/drivers/ata/pata_cs5535.c b/drivers/ata/pata_cs5535.c index a02e6459fdcc..03a93186aa19 100644 --- a/drivers/ata/pata_cs5535.c +++ b/drivers/ata/pata_cs5535.c @@ -198,7 +198,7 @@ static int cs5535_init_one(struct pci_dev *dev, const struct pci_device_id *id) rdmsr(ATAC_CH0D1_PIO, timings, dummy); if (CS5535_BAD_PIO(timings)) wrmsr(ATAC_CH0D1_PIO, 0xF7F4F7F4UL, 0); - return ata_pci_sff_init_one(dev, ppi, &cs5535_sht, NULL, 0); + return ata_pci_bmdma_init_one(dev, ppi, &cs5535_sht, NULL, 0); } static const struct pci_device_id cs5535[] = { diff --git a/drivers/ata/pata_cs5536.c b/drivers/ata/pata_cs5536.c index 914ae3506ff5..21ee23f89e88 100644 --- a/drivers/ata/pata_cs5536.c +++ b/drivers/ata/pata_cs5536.c @@ -260,7 +260,7 @@ static int cs5536_init_one(struct pci_dev *dev, const struct pci_device_id *id) return -ENODEV; } - return ata_pci_sff_init_one(dev, ppi, &cs5536_sht, NULL, 0); + return ata_pci_bmdma_init_one(dev, ppi, &cs5536_sht, NULL, 0); } static const struct pci_device_id cs5536[] = { diff --git a/drivers/ata/pata_cypress.c b/drivers/ata/pata_cypress.c index 0fcc096b8dac..6d915b063d93 100644 --- a/drivers/ata/pata_cypress.c +++ b/drivers/ata/pata_cypress.c @@ -138,7 +138,7 @@ static int cy82c693_init_one(struct pci_dev *pdev, const struct pci_device_id *i if (PCI_FUNC(pdev->devfn) != 1) return -ENODEV; - return ata_pci_sff_init_one(pdev, ppi, &cy82c693_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &cy82c693_sht, NULL, 0); } static const struct pci_device_id cy82c693[] = { diff --git a/drivers/ata/pata_efar.c b/drivers/ata/pata_efar.c index 3bac0e079691..a08834758ea2 100644 --- a/drivers/ata/pata_efar.c +++ b/drivers/ata/pata_efar.c @@ -277,8 +277,8 @@ static int efar_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); - return ata_pci_sff_init_one(pdev, ppi, &efar_sht, NULL, - ATA_HOST_PARALLEL_SCAN); + return ata_pci_bmdma_init_one(pdev, ppi, &efar_sht, NULL, + ATA_HOST_PARALLEL_SCAN); } static const struct pci_device_id efar_pci_tbl[] = { diff --git a/drivers/ata/pata_hpt366.c b/drivers/ata/pata_hpt366.c index 8580eb3cd54d..7688868557b9 100644 --- a/drivers/ata/pata_hpt366.c +++ b/drivers/ata/pata_hpt366.c @@ -361,7 +361,7 @@ static int hpt36x_init_one(struct pci_dev *dev, const struct pci_device_id *id) break; } /* Now kick off ATA set up */ - return ata_pci_sff_init_one(dev, ppi, &hpt36x_sht, hpriv, 0); + return ata_pci_bmdma_init_one(dev, ppi, &hpt36x_sht, hpriv, 0); } #ifdef CONFIG_PM diff --git a/drivers/ata/pata_hpt37x.c b/drivers/ata/pata_hpt37x.c index 98b498b6907c..9ae4c0830577 100644 --- a/drivers/ata/pata_hpt37x.c +++ b/drivers/ata/pata_hpt37x.c @@ -987,7 +987,7 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id) } /* Now kick off ATA set up */ - return ata_pci_sff_init_one(dev, ppi, &hpt37x_sht, private_data, 0); + return ata_pci_bmdma_init_one(dev, ppi, &hpt37x_sht, private_data, 0); } static const struct pci_device_id hpt37x[] = { diff --git a/drivers/ata/pata_hpt3x2n.c b/drivers/ata/pata_hpt3x2n.c index 8b95aeba0e74..32f3463216b8 100644 --- a/drivers/ata/pata_hpt3x2n.c +++ b/drivers/ata/pata_hpt3x2n.c @@ -548,7 +548,7 @@ static int hpt3x2n_init_one(struct pci_dev *dev, const struct pci_device_id *id) outb(inb(iobase + 0x9c) | 0x04, iobase + 0x9c); /* Now kick off ATA set up */ - return ata_pci_sff_init_one(dev, ppi, &hpt3x2n_sht, hpriv, 0); + return ata_pci_bmdma_init_one(dev, ppi, &hpt3x2n_sht, hpriv, 0); } static const struct pci_device_id hpt3x2n[] = { diff --git a/drivers/ata/pata_hpt3x3.c b/drivers/ata/pata_hpt3x3.c index 727a81ce4c9f..b63d5e2d4628 100644 --- a/drivers/ata/pata_hpt3x3.c +++ b/drivers/ata/pata_hpt3x3.c @@ -248,7 +248,7 @@ static int hpt3x3_init_one(struct pci_dev *pdev, const struct pci_device_id *id) ata_port_pbar_desc(ap, 4, offset_cmd[i], "cmd"); } pci_set_master(pdev); - return ata_host_activate(host, pdev->irq, ata_sff_interrupt, + return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt, IRQF_SHARED, &hpt3x3_sht); } diff --git a/drivers/ata/pata_icside.c b/drivers/ata/pata_icside.c index b56e8f722d20..9f2889fe43b2 100644 --- a/drivers/ata/pata_icside.c +++ b/drivers/ata/pata_icside.c @@ -470,7 +470,7 @@ static int __devinit pata_icside_add_ports(struct pata_icside_info *info) pata_icside_setup_ioaddr(ap, info->base, info, info->port[i]); } - return ata_host_activate(host, ec->irq, ata_sff_interrupt, 0, + return ata_host_activate(host, ec->irq, ata_bmdma_interrupt, 0, &pata_icside_sht); } diff --git a/drivers/ata/pata_it8213.c b/drivers/ata/pata_it8213.c index f971f0de88e6..4d142a2ab8fd 100644 --- a/drivers/ata/pata_it8213.c +++ b/drivers/ata/pata_it8213.c @@ -273,7 +273,7 @@ static int it8213_init_one (struct pci_dev *pdev, const struct pci_device_id *en dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); - return ata_pci_sff_init_one(pdev, ppi, &it8213_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &it8213_sht, NULL, 0); } static const struct pci_device_id it8213_pci_tbl[] = { diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c index 2bd2b002d14a..bf88f71a21f4 100644 --- a/drivers/ata/pata_it821x.c +++ b/drivers/ata/pata_it821x.c @@ -933,7 +933,7 @@ static int it821x_init_one(struct pci_dev *pdev, const struct pci_device_id *id) else ppi[0] = &info_smart; } - return ata_pci_sff_init_one(pdev, ppi, &it821x_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &it821x_sht, NULL, 0); } #ifdef CONFIG_PM diff --git a/drivers/ata/pata_jmicron.c b/drivers/ata/pata_jmicron.c index 565e01e6ac7c..cb3babbb7035 100644 --- a/drivers/ata/pata_jmicron.c +++ b/drivers/ata/pata_jmicron.c @@ -144,7 +144,7 @@ static int jmicron_init_one (struct pci_dev *pdev, const struct pci_device_id *i }; const struct ata_port_info *ppi[] = { &info, NULL }; - return ata_pci_sff_init_one(pdev, ppi, &jmicron_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &jmicron_sht, NULL, 0); } static const struct pci_device_id jmicron_pci_tbl[] = { diff --git a/drivers/ata/pata_macio.c b/drivers/ata/pata_macio.c index b5b48e703cb7..76640ac76888 100644 --- a/drivers/ata/pata_macio.c +++ b/drivers/ata/pata_macio.c @@ -1110,7 +1110,7 @@ static int __devinit pata_macio_common_init(struct pata_macio_priv *priv, /* Start it up */ priv->irq = irq; - return ata_host_activate(priv->host, irq, ata_sff_interrupt, 0, + return ata_host_activate(priv->host, irq, ata_bmdma_interrupt, 0, &pata_macio_sht); } diff --git a/drivers/ata/pata_marvell.c b/drivers/ata/pata_marvell.c index e8ca02e5a71d..dd38083dcbeb 100644 --- a/drivers/ata/pata_marvell.c +++ b/drivers/ata/pata_marvell.c @@ -153,7 +153,7 @@ static int marvell_init_one (struct pci_dev *pdev, const struct pci_device_id *i return -ENODEV; } #endif - return ata_pci_sff_init_one(pdev, ppi, &marvell_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &marvell_sht, NULL, 0); } static const struct pci_device_id marvell_pci_tbl[] = { diff --git a/drivers/ata/pata_mpc52xx.c b/drivers/ata/pata_mpc52xx.c index 36afe2c1c747..f087ab55b1df 100644 --- a/drivers/ata/pata_mpc52xx.c +++ b/drivers/ata/pata_mpc52xx.c @@ -659,7 +659,7 @@ mpc52xx_ata_init_one(struct device *dev, struct mpc52xx_ata_priv *priv, ata_port_desc(ap, "ata_regs 0x%lx", raw_ata_regs); /* activate host */ - return ata_host_activate(host, priv->ata_irq, ata_sff_interrupt, 0, + return ata_host_activate(host, priv->ata_irq, ata_bmdma_interrupt, 0, &mpc52xx_ata_sht); } diff --git a/drivers/ata/pata_netcell.c b/drivers/ata/pata_netcell.c index 94f979a7f4f7..3eb921c746a1 100644 --- a/drivers/ata/pata_netcell.c +++ b/drivers/ata/pata_netcell.c @@ -82,7 +82,7 @@ static int netcell_init_one (struct pci_dev *pdev, const struct pci_device_id *e ata_pci_bmdma_clear_simplex(pdev); /* And let the library code do the work */ - return ata_pci_sff_init_one(pdev, port_info, &netcell_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, port_info, &netcell_sht, NULL, 0); } static const struct pci_device_id netcell_pci_tbl[] = { diff --git a/drivers/ata/pata_ninja32.c b/drivers/ata/pata_ninja32.c index dd53a66b19e3..cc50bd09aa26 100644 --- a/drivers/ata/pata_ninja32.c +++ b/drivers/ata/pata_ninja32.c @@ -149,7 +149,7 @@ static int ninja32_init_one(struct pci_dev *dev, const struct pci_device_id *id) ninja32_program(base); /* FIXME: Should we disable them at remove ? */ - return ata_host_activate(host, dev->irq, ata_sff_interrupt, + return ata_host_activate(host, dev->irq, ata_bmdma_interrupt, IRQF_SHARED, &ninja32_sht); } diff --git a/drivers/ata/pata_ns87415.c b/drivers/ata/pata_ns87415.c index fdbba2d76d3e..605f198f958c 100644 --- a/drivers/ata/pata_ns87415.c +++ b/drivers/ata/pata_ns87415.c @@ -380,7 +380,7 @@ static int ns87415_init_one (struct pci_dev *pdev, const struct pci_device_id *e ns87415_fixup(pdev); - return ata_pci_sff_init_one(pdev, ppi, &ns87415_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &ns87415_sht, NULL, 0); } static const struct pci_device_id ns87415_pci_tbl[] = { diff --git a/drivers/ata/pata_octeon_cf.c b/drivers/ata/pata_octeon_cf.c index 3001109352ea..06ddd91ffeda 100644 --- a/drivers/ata/pata_octeon_cf.c +++ b/drivers/ata/pata_octeon_cf.c @@ -750,20 +750,6 @@ static void octeon_cf_dev_config(struct ata_device *dev) } /* - * Trap if driver tries to do standard bmdma commands. They are not - * supported. - */ -static void unreachable_qc(struct ata_queued_cmd *qc) -{ - BUG(); -} - -static u8 unreachable_port(struct ata_port *ap) -{ - BUG(); -} - -/* * We don't do ATAPI DMA so return 0. */ static int octeon_cf_check_atapi_dma(struct ata_queued_cmd *qc) @@ -804,10 +790,6 @@ static struct ata_port_operations octeon_cf_ops = { .sff_dev_select = octeon_cf_dev_select, .sff_irq_on = octeon_cf_irq_on, .sff_irq_clear = octeon_cf_irq_clear, - .bmdma_setup = unreachable_qc, - .bmdma_start = unreachable_qc, - .bmdma_stop = unreachable_qc, - .bmdma_status = unreachable_port, .cable_detect = ata_cable_40wire, .set_piomode = octeon_cf_set_piomode, .set_dmamode = octeon_cf_set_dmamode, diff --git a/drivers/ata/pata_oldpiix.c b/drivers/ata/pata_oldpiix.c index 988ef2627be3..b811c1636204 100644 --- a/drivers/ata/pata_oldpiix.c +++ b/drivers/ata/pata_oldpiix.c @@ -248,7 +248,7 @@ static int oldpiix_init_one (struct pci_dev *pdev, const struct pci_device_id *e dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); - return ata_pci_sff_init_one(pdev, ppi, &oldpiix_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &oldpiix_sht, NULL, 0); } static const struct pci_device_id oldpiix_pci_tbl[] = { diff --git a/drivers/ata/pata_optidma.c b/drivers/ata/pata_optidma.c index 76b7d12b1e8d..0852cd07de08 100644 --- a/drivers/ata/pata_optidma.c +++ b/drivers/ata/pata_optidma.c @@ -429,7 +429,7 @@ static int optidma_init_one(struct pci_dev *dev, const struct pci_device_id *id) if (optiplus_with_udma(dev)) ppi[0] = &info_82c700_udma; - return ata_pci_sff_init_one(dev, ppi, &optidma_sht, NULL, 0); + return ata_pci_bmdma_init_one(dev, ppi, &optidma_sht, NULL, 0); } static const struct pci_device_id optidma[] = { diff --git a/drivers/ata/pata_pdc2027x.c b/drivers/ata/pata_pdc2027x.c index 09f1f22c0307..b18351122525 100644 --- a/drivers/ata/pata_pdc2027x.c +++ b/drivers/ata/pata_pdc2027x.c @@ -754,7 +754,7 @@ static int __devinit pdc2027x_init_one(struct pci_dev *pdev, const struct pci_de return -EIO; pci_set_master(pdev); - return ata_host_activate(host, pdev->irq, ata_sff_interrupt, + return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt, IRQF_SHARED, &pdc2027x_sht); } diff --git a/drivers/ata/pata_pdc202xx_old.c b/drivers/ata/pata_pdc202xx_old.c index fa1e2f3bc0fd..c39f213e1bbc 100644 --- a/drivers/ata/pata_pdc202xx_old.c +++ b/drivers/ata/pata_pdc202xx_old.c @@ -337,7 +337,7 @@ static int pdc202xx_init_one(struct pci_dev *dev, const struct pci_device_id *id return -ENODEV; } } - return ata_pci_sff_init_one(dev, ppi, &pdc202xx_sht, NULL, 0); + return ata_pci_bmdma_init_one(dev, ppi, &pdc202xx_sht, NULL, 0); } static const struct pci_device_id pdc202xx[] = { diff --git a/drivers/ata/pata_piccolo.c b/drivers/ata/pata_piccolo.c index 981615414849..cb01bf9496fe 100644 --- a/drivers/ata/pata_piccolo.c +++ b/drivers/ata/pata_piccolo.c @@ -95,7 +95,7 @@ static int ata_tosh_init_one(struct pci_dev *dev, const struct pci_device_id *id }; const struct ata_port_info *ppi[] = { &info, &ata_dummy_port_info }; /* Just one port for the moment */ - return ata_pci_sff_init_one(dev, ppi, &tosh_sht, NULL, 0); + return ata_pci_bmdma_init_one(dev, ppi, &tosh_sht, NULL, 0); } static struct pci_device_id ata_tosh[] = { diff --git a/drivers/ata/pata_radisys.c b/drivers/ata/pata_radisys.c index a5fa388e5398..8574b31f1773 100644 --- a/drivers/ata/pata_radisys.c +++ b/drivers/ata/pata_radisys.c @@ -227,7 +227,7 @@ static int radisys_init_one (struct pci_dev *pdev, const struct pci_device_id *e dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); - return ata_pci_sff_init_one(pdev, ppi, &radisys_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &radisys_sht, NULL, 0); } static const struct pci_device_id radisys_pci_tbl[] = { diff --git a/drivers/ata/pata_rdc.c b/drivers/ata/pata_rdc.c index 37092cfd7bc6..5fbe9b166c69 100644 --- a/drivers/ata/pata_rdc.c +++ b/drivers/ata/pata_rdc.c @@ -344,7 +344,7 @@ static int __devinit rdc_init_one(struct pci_dev *pdev, */ pci_read_config_dword(pdev, 0x54, &hpriv->saved_iocfg); - rc = ata_pci_sff_prepare_host(pdev, ppi, &host); + rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host); if (rc) return rc; host->private_data = hpriv; @@ -354,7 +354,7 @@ static int __devinit rdc_init_one(struct pci_dev *pdev, host->flags |= ATA_HOST_PARALLEL_SCAN; pci_set_master(pdev); - return ata_pci_sff_activate_host(host, ata_sff_interrupt, &rdc_sht); + return ata_pci_sff_activate_host(host, ata_bmdma_interrupt, &rdc_sht); } static void rdc_remove_one(struct pci_dev *pdev) diff --git a/drivers/ata/pata_sc1200.c b/drivers/ata/pata_sc1200.c index 6b5b63a2fd8e..e2c18257adff 100644 --- a/drivers/ata/pata_sc1200.c +++ b/drivers/ata/pata_sc1200.c @@ -237,7 +237,7 @@ static int sc1200_init_one(struct pci_dev *dev, const struct pci_device_id *id) }; const struct ata_port_info *ppi[] = { &info, NULL }; - return ata_pci_sff_init_one(dev, ppi, &sc1200_sht, NULL, 0); + return ata_pci_bmdma_init_one(dev, ppi, &sc1200_sht, NULL, 0); } static const struct pci_device_id sc1200[] = { diff --git a/drivers/ata/pata_scc.c b/drivers/ata/pata_scc.c index 6f6193b707cb..d9db3f8d60ef 100644 --- a/drivers/ata/pata_scc.c +++ b/drivers/ata/pata_scc.c @@ -875,7 +875,7 @@ static void scc_postreset(struct ata_link *link, unsigned int *classes) * scc_irq_clear - Clear PCI IDE BMDMA interrupt. * @ap: Port associated with this ATA transaction. * - * Note: Original code is ata_sff_irq_clear(). + * Note: Original code is ata_bmdma_irq_clear(). */ static void scc_irq_clear (struct ata_port *ap) @@ -1105,7 +1105,7 @@ static int scc_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) if (rc) return rc; - return ata_host_activate(host, pdev->irq, ata_sff_interrupt, + return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt, IRQF_SHARED, &scc_sht); } diff --git a/drivers/ata/pata_sch.c b/drivers/ata/pata_sch.c index 86b3d0133c7c..e97b32f03a6e 100644 --- a/drivers/ata/pata_sch.c +++ b/drivers/ata/pata_sch.c @@ -179,7 +179,7 @@ static int __devinit sch_init_one(struct pci_dev *pdev, dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); - return ata_pci_sff_init_one(pdev, ppi, &sch_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &sch_sht, NULL, 0); } static int __init sch_init(void) diff --git a/drivers/ata/pata_serverworks.c b/drivers/ata/pata_serverworks.c index 43ea389df2b3..86dd714e3e1d 100644 --- a/drivers/ata/pata_serverworks.c +++ b/drivers/ata/pata_serverworks.c @@ -460,7 +460,7 @@ static int serverworks_init_one(struct pci_dev *pdev, const struct pci_device_id if (pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB5IDE) ata_pci_bmdma_clear_simplex(pdev); - return ata_pci_sff_init_one(pdev, ppi, &serverworks_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &serverworks_sht, NULL, 0); } #ifdef CONFIG_PM diff --git a/drivers/ata/pata_sil680.c b/drivers/ata/pata_sil680.c index 43faf106f647..d3190d7ec304 100644 --- a/drivers/ata/pata_sil680.c +++ b/drivers/ata/pata_sil680.c @@ -374,11 +374,11 @@ static int __devinit sil680_init_one(struct pci_dev *pdev, ata_sff_std_ports(&host->ports[1]->ioaddr); /* Register & activate */ - return ata_host_activate(host, pdev->irq, ata_sff_interrupt, + return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt, IRQF_SHARED, &sil680_sht); use_ioports: - return ata_pci_sff_init_one(pdev, ppi, &sil680_sht, NULL, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &sil680_sht, NULL, 0); } #ifdef CONFIG_PM diff --git a/drivers/ata/pata_sis.c b/drivers/ata/pata_sis.c index b6708032f321..60cea13cccce 100644 --- a/drivers/ata/pata_sis.c +++ b/drivers/ata/pata_sis.c @@ -826,7 +826,7 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) sis_fixup(pdev, chipset); - return ata_pci_sff_init_one(pdev, ppi, &sis_sht, chipset, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &sis_sht, chipset, 0); } #ifdef CONFIG_PM diff --git a/drivers/ata/pata_sl82c105.c b/drivers/ata/pata_sl82c105.c index 733b042a7469..98548f640c8e 100644 --- a/drivers/ata/pata_sl82c105.c +++ b/drivers/ata/pata_sl82c105.c @@ -316,7 +316,7 @@ static int sl82c105_init_one(struct pci_dev *dev, const struct pci_device_id *id val |= CTRL_P0EN | CTRL_P0F16 | CTRL_P1F16; pci_write_config_dword(dev, 0x40, val); - return ata_pci_sff_init_one(dev, ppi, &sl82c105_sht, NULL, 0); + return ata_pci_bmdma_init_one(dev, ppi, &sl82c105_sht, NULL, 0); } static const struct pci_device_id sl82c105[] = { diff --git a/drivers/ata/pata_triflex.c b/drivers/ata/pata_triflex.c index 48f50600ed2a..0d1f89e571dd 100644 --- a/drivers/ata/pata_triflex.c +++ b/drivers/ata/pata_triflex.c @@ -201,7 +201,7 @@ static int triflex_init_one(struct pci_dev *dev, const struct pci_device_id *id) if (!printed_version++) dev_printk(KERN_DEBUG, &dev->dev, "version " DRV_VERSION "\n"); - return ata_pci_sff_init_one(dev, ppi, &triflex_sht, NULL, 0); + return ata_pci_bmdma_init_one(dev, ppi, &triflex_sht, NULL, 0); } static const struct pci_device_id triflex[] = { diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c index 7e3e0a5598b7..5e659885de16 100644 --- a/drivers/ata/pata_via.c +++ b/drivers/ata/pata_via.c @@ -627,7 +627,7 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id) } /* We have established the device type, now fire it up */ - return ata_pci_sff_init_one(pdev, ppi, &via_sht, (void *)config, 0); + return ata_pci_bmdma_init_one(pdev, ppi, &via_sht, (void *)config, 0); } #ifdef CONFIG_PM diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index f3471bc949d3..a476cd99b95d 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -675,8 +675,6 @@ static struct ata_port_operations mv5_ops = { .freeze = mv_eh_freeze, .thaw = mv_eh_thaw, .hardreset = mv_hardreset, - .error_handler = ata_std_error_handler, /* avoid SFF EH */ - .post_internal_cmd = ATA_OP_NULL, .scr_read = mv5_scr_read, .scr_write = mv5_scr_write, @@ -2813,7 +2811,7 @@ static void mv_port_intr(struct ata_port *ap, u32 port_cause) } else if (!edma_was_enabled) { struct ata_queued_cmd *qc = mv_get_active_qc(ap); if (qc) - ata_sff_host_intr(ap, qc); + ata_bmdma_port_intr(ap, qc); else mv_unexpected_intr(ap, edma_was_enabled); } diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c index baa8f0d2c86f..6fd114784116 100644 --- a/drivers/ata/sata_nv.c +++ b/drivers/ata/sata_nv.c @@ -920,7 +920,7 @@ static int nv_host_intr(struct ata_port *ap, u8 irq_stat) } /* handle interrupt */ - return ata_sff_host_intr(ap, qc); + return ata_bmdma_port_intr(ap, qc); } static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance) @@ -1100,7 +1100,7 @@ static void nv_adma_irq_clear(struct ata_port *ap) u32 notifier_clears[2]; if (pp->flags & NV_ADMA_ATAPI_SETUP_COMPLETE) { - ata_sff_irq_clear(ap); + ata_bmdma_irq_clear(ap); return; } @@ -1505,7 +1505,7 @@ static irqreturn_t nv_generic_interrupt(int irq, void *dev_instance) qc = ata_qc_from_tag(ap, ap->link.active_tag); if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING))) { - handled += ata_sff_host_intr(ap, qc); + handled += ata_bmdma_port_intr(ap, qc); } else { /* * No request pending? Clear interrupt status @@ -2430,7 +2430,7 @@ static int nv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) ppi[0] = &nv_port_info[type]; ipriv = ppi[0]->private_data; - rc = ata_pci_sff_prepare_host(pdev, ppi, &host); + rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host); if (rc) return rc; diff --git a/drivers/ata/sata_qstor.c b/drivers/ata/sata_qstor.c index d533b3d20ca1..daeebf19a6a9 100644 --- a/drivers/ata/sata_qstor.c +++ b/drivers/ata/sata_qstor.c @@ -120,8 +120,6 @@ static void qs_host_stop(struct ata_host *host); static void qs_qc_prep(struct ata_queued_cmd *qc); static unsigned int qs_qc_issue(struct ata_queued_cmd *qc); static int qs_check_atapi_dma(struct ata_queued_cmd *qc); -static void qs_bmdma_stop(struct ata_queued_cmd *qc); -static u8 qs_bmdma_status(struct ata_port *ap); static void qs_freeze(struct ata_port *ap); static void qs_thaw(struct ata_port *ap); static int qs_prereset(struct ata_link *link, unsigned long deadline); @@ -137,8 +135,6 @@ static struct ata_port_operations qs_ata_ops = { .inherits = &ata_sff_port_ops, .check_atapi_dma = qs_check_atapi_dma, - .bmdma_stop = qs_bmdma_stop, - .bmdma_status = qs_bmdma_status, .qc_prep = qs_qc_prep, .qc_issue = qs_qc_issue, @@ -190,16 +186,6 @@ static int qs_check_atapi_dma(struct ata_queued_cmd *qc) return 1; /* ATAPI DMA not supported */ } -static void qs_bmdma_stop(struct ata_queued_cmd *qc) -{ - /* nothing */ -} - -static u8 qs_bmdma_status(struct ata_port *ap) -{ - return 0; -} - static inline void qs_enter_reg_mode(struct ata_port *ap) { u8 __iomem *chan = qs_mmio_base(ap->host) + (ap->port_no * 0x4000); @@ -454,7 +440,7 @@ static inline unsigned int qs_intr_mmio(struct ata_host *host) if (!pp || pp->state != qs_state_mmio) continue; if (!(qc->tf.flags & ATA_TFLAG_POLLING)) - handled |= ata_sff_host_intr(ap, qc); + handled |= ata_sff_port_intr(ap, qc); } return handled; } diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c index 2dda312b6b9a..3a4f84219719 100644 --- a/drivers/ata/sata_sil.c +++ b/drivers/ata/sata_sil.c @@ -503,7 +503,7 @@ static void sil_host_intr(struct ata_port *ap, u32 bmdma2) goto err_hsm; /* ack bmdma irq events */ - ata_sff_irq_clear(ap); + ata_bmdma_irq_clear(ap); /* kick HSM in the ass */ ata_sff_hsm_move(ap, qc, status, 0); @@ -584,7 +584,7 @@ static void sil_thaw(struct ata_port *ap) /* clear IRQ */ ap->ops->sff_check_status(ap); - ata_sff_irq_clear(ap); + ata_bmdma_irq_clear(ap); /* turn on SATA IRQ if supported */ if (!(ap->flags & SIL_FLAG_NO_SATA_IRQ)) diff --git a/drivers/ata/sata_sis.c b/drivers/ata/sata_sis.c index f8a91bfd66a8..2bfe3ae03976 100644 --- a/drivers/ata/sata_sis.c +++ b/drivers/ata/sata_sis.c @@ -279,7 +279,7 @@ static int sis_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) break; } - rc = ata_pci_sff_prepare_host(pdev, ppi, &host); + rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host); if (rc) return rc; @@ -308,7 +308,7 @@ static int sis_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) pci_set_master(pdev); pci_intx(pdev, 1); - return ata_host_activate(host, pdev->irq, ata_sff_interrupt, + return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt, IRQF_SHARED, &sis_sht); } diff --git a/drivers/ata/sata_svw.c b/drivers/ata/sata_svw.c index 101fd6a19829..7d9db4aaf07e 100644 --- a/drivers/ata/sata_svw.c +++ b/drivers/ata/sata_svw.c @@ -502,7 +502,7 @@ static int k2_sata_init_one(struct pci_dev *pdev, const struct pci_device_id *en writel(0x0, mmio_base + K2_SATA_SIM_OFFSET); pci_set_master(pdev); - return ata_host_activate(host, pdev->irq, ata_sff_interrupt, + return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt, IRQF_SHARED, &k2_sata_sht); } diff --git a/drivers/ata/sata_uli.c b/drivers/ata/sata_uli.c index d8dac17dc2c8..b8578c32d344 100644 --- a/drivers/ata/sata_uli.c +++ b/drivers/ata/sata_uli.c @@ -242,7 +242,7 @@ static int uli_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) pci_set_master(pdev); pci_intx(pdev, 1); - return ata_host_activate(host, pdev->irq, ata_sff_interrupt, + return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt, IRQF_SHARED, &uli_sht); } diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c index 08f65492cc81..101d8c219caf 100644 --- a/drivers/ata/sata_via.c +++ b/drivers/ata/sata_via.c @@ -308,7 +308,7 @@ static void svia_noop_freeze(struct ata_port *ap) * certain way. Leave it alone and just clear pending IRQ. */ ap->ops->sff_check_status(ap); - ata_sff_irq_clear(ap); + ata_bmdma_irq_clear(ap); } /** @@ -463,7 +463,7 @@ static int vt6420_prepare_host(struct pci_dev *pdev, struct ata_host **r_host) struct ata_host *host; int rc; - rc = ata_pci_sff_prepare_host(pdev, ppi, &host); + rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host); if (rc) return rc; *r_host = host; @@ -520,7 +520,7 @@ static int vt8251_prepare_host(struct pci_dev *pdev, struct ata_host **r_host) struct ata_host *host; int i, rc; - rc = ata_pci_sff_prepare_host(pdev, ppi, &host); + rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host); if (rc) return rc; *r_host = host; @@ -628,7 +628,7 @@ static int svia_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) svia_configure(pdev); pci_set_master(pdev); - return ata_host_activate(host, pdev->irq, ata_sff_interrupt, + return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt, IRQF_SHARED, &svia_sht); } diff --git a/drivers/ata/sata_vsc.c b/drivers/ata/sata_vsc.c index 2107952ebff1..b777176ff494 100644 --- a/drivers/ata/sata_vsc.c +++ b/drivers/ata/sata_vsc.c @@ -245,7 +245,7 @@ static void vsc_port_intr(u8 port_status, struct ata_port *ap) qc = ata_qc_from_tag(ap, ap->link.active_tag); if (qc && likely(!(qc->tf.flags & ATA_TFLAG_POLLING))) - handled = ata_sff_host_intr(ap, qc); + handled = ata_bmdma_port_intr(ap, qc); /* We received an interrupt during a polled command, * or some other spurious condition. Interrupt reporting diff --git a/drivers/char/ps3flash.c b/drivers/char/ps3flash.c index 606048b72bcf..85c004a518ee 100644 --- a/drivers/char/ps3flash.c +++ b/drivers/char/ps3flash.c @@ -305,8 +305,7 @@ static int ps3flash_flush(struct file *file, fl_owner_t id) return ps3flash_writeback(ps3flash_dev); } -static int ps3flash_fsync(struct file *file, struct dentry *dentry, - int datasync) +static int ps3flash_fsync(struct file *file, int datasync) { return ps3flash_writeback(ps3flash_dev); } diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index 12fdd3987a36..199488576a05 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -156,7 +156,7 @@ int cpuidle_enable_device(struct cpuidle_device *dev) if (dev->enabled) return 0; - if (!cpuidle_curr_driver || !cpuidle_curr_governor) + if (!cpuidle_get_driver() || !cpuidle_curr_governor) return -EIO; if (!dev->state_count) return -EINVAL; @@ -207,7 +207,7 @@ void cpuidle_disable_device(struct cpuidle_device *dev) { if (!dev->enabled) return; - if (!cpuidle_curr_driver || !cpuidle_curr_governor) + if (!cpuidle_get_driver() || !cpuidle_curr_governor) return; dev->enabled = 0; @@ -271,10 +271,11 @@ static int __cpuidle_register_device(struct cpuidle_device *dev) { int ret; struct sys_device *sys_dev = get_cpu_sysdev((unsigned long)dev->cpu); + struct cpuidle_driver *cpuidle_driver = cpuidle_get_driver(); if (!sys_dev) return -EINVAL; - if (!try_module_get(cpuidle_curr_driver->owner)) + if (!try_module_get(cpuidle_driver->owner)) return -EINVAL; init_completion(&dev->kobj_unregister); @@ -284,7 +285,7 @@ static int __cpuidle_register_device(struct cpuidle_device *dev) per_cpu(cpuidle_devices, dev->cpu) = dev; list_add(&dev->device_list, &cpuidle_detected_devices); if ((ret = cpuidle_add_sysfs(sys_dev))) { - module_put(cpuidle_curr_driver->owner); + module_put(cpuidle_driver->owner); return ret; } @@ -325,6 +326,7 @@ EXPORT_SYMBOL_GPL(cpuidle_register_device); void cpuidle_unregister_device(struct cpuidle_device *dev) { struct sys_device *sys_dev = get_cpu_sysdev((unsigned long)dev->cpu); + struct cpuidle_driver *cpuidle_driver = cpuidle_get_driver(); if (dev->registered == 0) return; @@ -340,7 +342,7 @@ void cpuidle_unregister_device(struct cpuidle_device *dev) cpuidle_resume_and_unlock(); - module_put(cpuidle_curr_driver->owner); + module_put(cpuidle_driver->owner); } EXPORT_SYMBOL_GPL(cpuidle_unregister_device); diff --git a/drivers/cpuidle/cpuidle.h b/drivers/cpuidle/cpuidle.h index 9476ba33ee2c..33e50d556f17 100644 --- a/drivers/cpuidle/cpuidle.h +++ b/drivers/cpuidle/cpuidle.h @@ -9,7 +9,6 @@ /* For internal use only */ extern struct cpuidle_governor *cpuidle_curr_governor; -extern struct cpuidle_driver *cpuidle_curr_driver; extern struct list_head cpuidle_governors; extern struct list_head cpuidle_detected_devices; extern struct mutex cpuidle_lock; diff --git a/drivers/cpuidle/driver.c b/drivers/cpuidle/driver.c index 2257004fe33d..fd1601e3d125 100644 --- a/drivers/cpuidle/driver.c +++ b/drivers/cpuidle/driver.c @@ -14,7 +14,7 @@ #include "cpuidle.h" -struct cpuidle_driver *cpuidle_curr_driver; +static struct cpuidle_driver *cpuidle_curr_driver; DEFINE_SPINLOCK(cpuidle_driver_lock); /** @@ -40,13 +40,25 @@ int cpuidle_register_driver(struct cpuidle_driver *drv) EXPORT_SYMBOL_GPL(cpuidle_register_driver); /** + * cpuidle_get_driver - return the current driver + */ +struct cpuidle_driver *cpuidle_get_driver(void) +{ + return cpuidle_curr_driver; +} +EXPORT_SYMBOL_GPL(cpuidle_get_driver); + +/** * cpuidle_unregister_driver - unregisters a driver * @drv: the driver */ void cpuidle_unregister_driver(struct cpuidle_driver *drv) { - if (!drv) + if (drv != cpuidle_curr_driver) { + WARN(1, "invalid cpuidle_unregister_driver(%s)\n", + drv->name); return; + } spin_lock(&cpuidle_driver_lock); cpuidle_curr_driver = NULL; diff --git a/drivers/cpuidle/sysfs.c b/drivers/cpuidle/sysfs.c index 0ba9c8b8ee74..0310ffaec9df 100644 --- a/drivers/cpuidle/sysfs.c +++ b/drivers/cpuidle/sysfs.c @@ -47,10 +47,11 @@ static ssize_t show_current_driver(struct sysdev_class *class, char *buf) { ssize_t ret; + struct cpuidle_driver *cpuidle_driver = cpuidle_get_driver(); spin_lock(&cpuidle_driver_lock); - if (cpuidle_curr_driver) - ret = sprintf(buf, "%s\n", cpuidle_curr_driver->name); + if (cpuidle_driver) + ret = sprintf(buf, "%s\n", cpuidle_driver->name); else ret = sprintf(buf, "none\n"); spin_unlock(&cpuidle_driver_lock); diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig index 1b8877922fb0..8344375dc015 100644 --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -128,7 +128,7 @@ config TXX9_DMAC config SH_DMAE tristate "Renesas SuperH DMAC support" - depends on SUPERH && SH_DMA + depends on (SUPERH && SH_DMA) || (ARM && ARCH_SHMOBILE) depends on !SH_DMA_API select DMA_ENGINE help @@ -166,6 +166,15 @@ config TIMB_DMA config ARCH_HAS_ASYNC_TX_FIND_CHANNEL bool +config PL330_DMA + tristate "DMA API Driver for PL330" + select DMA_ENGINE + depends on PL330 + help + Select if your platform has one or more PL330 DMACs. + You need to provide platform specific settings via + platform_data for a dma-pl330 device. + config DMA_ENGINE bool diff --git a/drivers/dma/Makefile b/drivers/dma/Makefile index 20881426c1ac..0fe5ebbfda5d 100644 --- a/drivers/dma/Makefile +++ b/drivers/dma/Makefile @@ -22,3 +22,4 @@ obj-$(CONFIG_COH901318) += coh901318.o coh901318_lli.o obj-$(CONFIG_AMCC_PPC440SPE_ADMA) += ppc4xx/ obj-$(CONFIG_TIMB_DMA) += timb_dma.o obj-$(CONFIG_STE_DMA40) += ste_dma40.o ste_dma40_ll.o +obj-$(CONFIG_PL330_DMA) += pl330.o diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c new file mode 100644 index 000000000000..7c50f6dfd3f4 --- /dev/null +++ b/drivers/dma/pl330.c @@ -0,0 +1,866 @@ +/* linux/drivers/dma/pl330.c + * + * Copyright (C) 2010 Samsung Electronics Co. Ltd. + * Jaswinder Singh <jassi.brar@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/io.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/dmaengine.h> +#include <linux/interrupt.h> +#include <linux/amba/bus.h> +#include <linux/amba/pl330.h> + +#define NR_DEFAULT_DESC 16 + +enum desc_status { + /* In the DMAC pool */ + FREE, + /* + * Allocted to some channel during prep_xxx + * Also may be sitting on the work_list. + */ + PREP, + /* + * Sitting on the work_list and already submitted + * to the PL330 core. Not more than two descriptors + * of a channel can be BUSY at any time. + */ + BUSY, + /* + * Sitting on the channel work_list but xfer done + * by PL330 core + */ + DONE, +}; + +struct dma_pl330_chan { + /* Schedule desc completion */ + struct tasklet_struct task; + + /* DMA-Engine Channel */ + struct dma_chan chan; + + /* Last completed cookie */ + dma_cookie_t completed; + + /* List of to be xfered descriptors */ + struct list_head work_list; + + /* Pointer to the DMAC that manages this channel, + * NULL if the channel is available to be acquired. + * As the parent, this DMAC also provides descriptors + * to the channel. + */ + struct dma_pl330_dmac *dmac; + + /* To protect channel manipulation */ + spinlock_t lock; + + /* Token of a hardware channel thread of PL330 DMAC + * NULL if the channel is available to be acquired. + */ + void *pl330_chid; +}; + +struct dma_pl330_dmac { + struct pl330_info pif; + + /* DMA-Engine Device */ + struct dma_device ddma; + + /* Pool of descriptors available for the DMAC's channels */ + struct list_head desc_pool; + /* To protect desc_pool manipulation */ + spinlock_t pool_lock; + + /* Peripheral channels connected to this DMAC */ + struct dma_pl330_chan peripherals[0]; /* keep at end */ +}; + +struct dma_pl330_desc { + /* To attach to a queue as child */ + struct list_head node; + + /* Descriptor for the DMA Engine API */ + struct dma_async_tx_descriptor txd; + + /* Xfer for PL330 core */ + struct pl330_xfer px; + + struct pl330_reqcfg rqcfg; + struct pl330_req req; + + enum desc_status status; + + /* The channel which currently holds this desc */ + struct dma_pl330_chan *pchan; +}; + +static inline struct dma_pl330_chan * +to_pchan(struct dma_chan *ch) +{ + if (!ch) + return NULL; + + return container_of(ch, struct dma_pl330_chan, chan); +} + +static inline struct dma_pl330_desc * +to_desc(struct dma_async_tx_descriptor *tx) +{ + return container_of(tx, struct dma_pl330_desc, txd); +} + +static inline void free_desc_list(struct list_head *list) +{ + struct dma_pl330_dmac *pdmac; + struct dma_pl330_desc *desc; + struct dma_pl330_chan *pch; + unsigned long flags; + + if (list_empty(list)) + return; + + /* Finish off the work list */ + list_for_each_entry(desc, list, node) { + dma_async_tx_callback callback; + void *param; + + /* All desc in a list belong to same channel */ + pch = desc->pchan; + callback = desc->txd.callback; + param = desc->txd.callback_param; + + if (callback) + callback(param); + + desc->pchan = NULL; + } + + pdmac = pch->dmac; + + spin_lock_irqsave(&pdmac->pool_lock, flags); + list_splice_tail_init(list, &pdmac->desc_pool); + spin_unlock_irqrestore(&pdmac->pool_lock, flags); +} + +static inline void fill_queue(struct dma_pl330_chan *pch) +{ + struct dma_pl330_desc *desc; + int ret; + + list_for_each_entry(desc, &pch->work_list, node) { + + /* If already submitted */ + if (desc->status == BUSY) + break; + + ret = pl330_submit_req(pch->pl330_chid, + &desc->req); + if (!ret) { + desc->status = BUSY; + break; + } else if (ret == -EAGAIN) { + /* QFull or DMAC Dying */ + break; + } else { + /* Unacceptable request */ + desc->status = DONE; + dev_err(pch->dmac->pif.dev, "%s:%d Bad Desc(%d)\n", + __func__, __LINE__, desc->txd.cookie); + tasklet_schedule(&pch->task); + } + } +} + +static void pl330_tasklet(unsigned long data) +{ + struct dma_pl330_chan *pch = (struct dma_pl330_chan *)data; + struct dma_pl330_desc *desc, *_dt; + unsigned long flags; + LIST_HEAD(list); + + spin_lock_irqsave(&pch->lock, flags); + + /* Pick up ripe tomatoes */ + list_for_each_entry_safe(desc, _dt, &pch->work_list, node) + if (desc->status == DONE) { + pch->completed = desc->txd.cookie; + list_move_tail(&desc->node, &list); + } + + /* Try to submit a req imm. next to the last completed cookie */ + fill_queue(pch); + + /* Make sure the PL330 Channel thread is active */ + pl330_chan_ctrl(pch->pl330_chid, PL330_OP_START); + + spin_unlock_irqrestore(&pch->lock, flags); + + free_desc_list(&list); +} + +static void dma_pl330_rqcb(void *token, enum pl330_op_err err) +{ + struct dma_pl330_desc *desc = token; + struct dma_pl330_chan *pch = desc->pchan; + unsigned long flags; + + /* If desc aborted */ + if (!pch) + return; + + spin_lock_irqsave(&pch->lock, flags); + + desc->status = DONE; + + spin_unlock_irqrestore(&pch->lock, flags); + + tasklet_schedule(&pch->task); +} + +static int pl330_alloc_chan_resources(struct dma_chan *chan) +{ + struct dma_pl330_chan *pch = to_pchan(chan); + struct dma_pl330_dmac *pdmac = pch->dmac; + unsigned long flags; + + spin_lock_irqsave(&pch->lock, flags); + + pch->completed = chan->cookie = 1; + + pch->pl330_chid = pl330_request_channel(&pdmac->pif); + if (!pch->pl330_chid) { + spin_unlock_irqrestore(&pch->lock, flags); + return 0; + } + + tasklet_init(&pch->task, pl330_tasklet, (unsigned long) pch); + + spin_unlock_irqrestore(&pch->lock, flags); + + return 1; +} + +static int pl330_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, unsigned long arg) +{ + struct dma_pl330_chan *pch = to_pchan(chan); + struct dma_pl330_desc *desc; + unsigned long flags; + + /* Only supports DMA_TERMINATE_ALL */ + if (cmd != DMA_TERMINATE_ALL) + return -ENXIO; + + spin_lock_irqsave(&pch->lock, flags); + + /* FLUSH the PL330 Channel thread */ + pl330_chan_ctrl(pch->pl330_chid, PL330_OP_FLUSH); + + /* Mark all desc done */ + list_for_each_entry(desc, &pch->work_list, node) + desc->status = DONE; + + spin_unlock_irqrestore(&pch->lock, flags); + + pl330_tasklet((unsigned long) pch); + + return 0; +} + +static void pl330_free_chan_resources(struct dma_chan *chan) +{ + struct dma_pl330_chan *pch = to_pchan(chan); + unsigned long flags; + + spin_lock_irqsave(&pch->lock, flags); + + tasklet_kill(&pch->task); + + pl330_release_channel(pch->pl330_chid); + pch->pl330_chid = NULL; + + spin_unlock_irqrestore(&pch->lock, flags); +} + +static enum dma_status +pl330_tx_status(struct dma_chan *chan, dma_cookie_t cookie, + struct dma_tx_state *txstate) +{ + struct dma_pl330_chan *pch = to_pchan(chan); + dma_cookie_t last_done, last_used; + int ret; + + last_done = pch->completed; + last_used = chan->cookie; + + ret = dma_async_is_complete(cookie, last_done, last_used); + + dma_set_tx_state(txstate, last_done, last_used, 0); + + return ret; +} + +static void pl330_issue_pending(struct dma_chan *chan) +{ + pl330_tasklet((unsigned long) to_pchan(chan)); +} + +/* + * We returned the last one of the circular list of descriptor(s) + * from prep_xxx, so the argument to submit corresponds to the last + * descriptor of the list. + */ +static dma_cookie_t pl330_tx_submit(struct dma_async_tx_descriptor *tx) +{ + struct dma_pl330_desc *desc, *last = to_desc(tx); + struct dma_pl330_chan *pch = to_pchan(tx->chan); + dma_cookie_t cookie; + unsigned long flags; + + spin_lock_irqsave(&pch->lock, flags); + + /* Assign cookies to all nodes */ + cookie = tx->chan->cookie; + + while (!list_empty(&last->node)) { + desc = list_entry(last->node.next, struct dma_pl330_desc, node); + + if (++cookie < 0) + cookie = 1; + desc->txd.cookie = cookie; + + list_move_tail(&desc->node, &pch->work_list); + } + + if (++cookie < 0) + cookie = 1; + last->txd.cookie = cookie; + + list_add_tail(&last->node, &pch->work_list); + + tx->chan->cookie = cookie; + + spin_unlock_irqrestore(&pch->lock, flags); + + return cookie; +} + +static inline void _init_desc(struct dma_pl330_desc *desc) +{ + desc->pchan = NULL; + desc->req.x = &desc->px; + desc->req.token = desc; + desc->rqcfg.swap = SWAP_NO; + desc->rqcfg.privileged = 0; + desc->rqcfg.insnaccess = 0; + desc->rqcfg.scctl = SCCTRL0; + desc->rqcfg.dcctl = DCCTRL0; + desc->req.cfg = &desc->rqcfg; + desc->req.xfer_cb = dma_pl330_rqcb; + desc->txd.tx_submit = pl330_tx_submit; + + INIT_LIST_HEAD(&desc->node); +} + +/* Returns the number of descriptors added to the DMAC pool */ +int add_desc(struct dma_pl330_dmac *pdmac, gfp_t flg, int count) +{ + struct dma_pl330_desc *desc; + unsigned long flags; + int i; + + if (!pdmac) + return 0; + + desc = kmalloc(count * sizeof(*desc), flg); + if (!desc) + return 0; + + spin_lock_irqsave(&pdmac->pool_lock, flags); + + for (i = 0; i < count; i++) { + _init_desc(&desc[i]); + list_add_tail(&desc[i].node, &pdmac->desc_pool); + } + + spin_unlock_irqrestore(&pdmac->pool_lock, flags); + + return count; +} + +static struct dma_pl330_desc * +pluck_desc(struct dma_pl330_dmac *pdmac) +{ + struct dma_pl330_desc *desc = NULL; + unsigned long flags; + + if (!pdmac) + return NULL; + + spin_lock_irqsave(&pdmac->pool_lock, flags); + + if (!list_empty(&pdmac->desc_pool)) { + desc = list_entry(pdmac->desc_pool.next, + struct dma_pl330_desc, node); + + list_del_init(&desc->node); + + desc->status = PREP; + desc->txd.callback = NULL; + } + + spin_unlock_irqrestore(&pdmac->pool_lock, flags); + + return desc; +} + +static struct dma_pl330_desc *pl330_get_desc(struct dma_pl330_chan *pch) +{ + struct dma_pl330_dmac *pdmac = pch->dmac; + struct dma_pl330_peri *peri = pch->chan.private; + struct dma_pl330_desc *desc; + + /* Pluck one desc from the pool of DMAC */ + desc = pluck_desc(pdmac); + + /* If the DMAC pool is empty, alloc new */ + if (!desc) { + if (!add_desc(pdmac, GFP_ATOMIC, 1)) + return NULL; + + /* Try again */ + desc = pluck_desc(pdmac); + if (!desc) { + dev_err(pch->dmac->pif.dev, + "%s:%d ALERT!\n", __func__, __LINE__); + return NULL; + } + } + + /* Initialize the descriptor */ + desc->pchan = pch; + desc->txd.cookie = 0; + async_tx_ack(&desc->txd); + + desc->req.rqtype = peri->rqtype; + desc->req.peri = peri->peri_id; + + dma_async_tx_descriptor_init(&desc->txd, &pch->chan); + + return desc; +} + +static inline void fill_px(struct pl330_xfer *px, + dma_addr_t dst, dma_addr_t src, size_t len) +{ + px->next = NULL; + px->bytes = len; + px->dst_addr = dst; + px->src_addr = src; +} + +static struct dma_pl330_desc * +__pl330_prep_dma_memcpy(struct dma_pl330_chan *pch, dma_addr_t dst, + dma_addr_t src, size_t len) +{ + struct dma_pl330_desc *desc = pl330_get_desc(pch); + + if (!desc) { + dev_err(pch->dmac->pif.dev, "%s:%d Unable to fetch desc\n", + __func__, __LINE__); + return NULL; + } + + /* + * Ideally we should lookout for reqs bigger than + * those that can be programmed with 256 bytes of + * MC buffer, but considering a req size is seldom + * going to be word-unaligned and more than 200MB, + * we take it easy. + * Also, should the limit is reached we'd rather + * have the platform increase MC buffer size than + * complicating this API driver. + */ + fill_px(&desc->px, dst, src, len); + + return desc; +} + +/* Call after fixing burst size */ +static inline int get_burst_len(struct dma_pl330_desc *desc, size_t len) +{ + struct dma_pl330_chan *pch = desc->pchan; + struct pl330_info *pi = &pch->dmac->pif; + int burst_len; + + burst_len = pi->pcfg.data_bus_width / 8; + burst_len *= pi->pcfg.data_buf_dep; + burst_len >>= desc->rqcfg.brst_size; + + /* src/dst_burst_len can't be more than 16 */ + if (burst_len > 16) + burst_len = 16; + + while (burst_len > 1) { + if (!(len % (burst_len << desc->rqcfg.brst_size))) + break; + burst_len--; + } + + return burst_len; +} + +static struct dma_async_tx_descriptor * +pl330_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dst, + dma_addr_t src, size_t len, unsigned long flags) +{ + struct dma_pl330_desc *desc; + struct dma_pl330_chan *pch = to_pchan(chan); + struct dma_pl330_peri *peri = chan->private; + struct pl330_info *pi; + int burst; + + if (unlikely(!pch || !len || !peri)) + return NULL; + + if (peri->rqtype != MEMTOMEM) + return NULL; + + pi = &pch->dmac->pif; + + desc = __pl330_prep_dma_memcpy(pch, dst, src, len); + if (!desc) + return NULL; + + desc->rqcfg.src_inc = 1; + desc->rqcfg.dst_inc = 1; + + /* Select max possible burst size */ + burst = pi->pcfg.data_bus_width / 8; + + while (burst > 1) { + if (!(len % burst)) + break; + burst /= 2; + } + + desc->rqcfg.brst_size = 0; + while (burst != (1 << desc->rqcfg.brst_size)) + desc->rqcfg.brst_size++; + + desc->rqcfg.brst_len = get_burst_len(desc, len); + + desc->txd.flags = flags; + + return &desc->txd; +} + +static struct dma_async_tx_descriptor * +pl330_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, + unsigned int sg_len, enum dma_data_direction direction, + unsigned long flg) +{ + struct dma_pl330_desc *first, *desc = NULL; + struct dma_pl330_chan *pch = to_pchan(chan); + struct dma_pl330_peri *peri = chan->private; + struct scatterlist *sg; + unsigned long flags; + int i, burst_size; + dma_addr_t addr; + + if (unlikely(!pch || !sgl || !sg_len)) + return NULL; + + /* Make sure the direction is consistent */ + if ((direction == DMA_TO_DEVICE && + peri->rqtype != MEMTODEV) || + (direction == DMA_FROM_DEVICE && + peri->rqtype != DEVTOMEM)) { + dev_err(pch->dmac->pif.dev, "%s:%d Invalid Direction\n", + __func__, __LINE__); + return NULL; + } + + addr = peri->fifo_addr; + burst_size = peri->burst_sz; + + first = NULL; + + for_each_sg(sgl, sg, sg_len, i) { + + desc = pl330_get_desc(pch); + if (!desc) { + struct dma_pl330_dmac *pdmac = pch->dmac; + + dev_err(pch->dmac->pif.dev, + "%s:%d Unable to fetch desc\n", + __func__, __LINE__); + if (!first) + return NULL; + + spin_lock_irqsave(&pdmac->pool_lock, flags); + + while (!list_empty(&first->node)) { + desc = list_entry(first->node.next, + struct dma_pl330_desc, node); + list_move_tail(&desc->node, &pdmac->desc_pool); + } + + list_move_tail(&first->node, &pdmac->desc_pool); + + spin_unlock_irqrestore(&pdmac->pool_lock, flags); + + return NULL; + } + + if (!first) + first = desc; + else + list_add_tail(&desc->node, &first->node); + + if (direction == DMA_TO_DEVICE) { + desc->rqcfg.src_inc = 1; + desc->rqcfg.dst_inc = 0; + fill_px(&desc->px, + addr, sg_dma_address(sg), sg_dma_len(sg)); + } else { + desc->rqcfg.src_inc = 0; + desc->rqcfg.dst_inc = 1; + fill_px(&desc->px, + sg_dma_address(sg), addr, sg_dma_len(sg)); + } + + desc->rqcfg.brst_size = burst_size; + desc->rqcfg.brst_len = 1; + } + + /* Return the last desc in the chain */ + desc->txd.flags = flg; + return &desc->txd; +} + +static irqreturn_t pl330_irq_handler(int irq, void *data) +{ + if (pl330_update(data)) + return IRQ_HANDLED; + else + return IRQ_NONE; +} + +static int __devinit +pl330_probe(struct amba_device *adev, struct amba_id *id) +{ + struct dma_pl330_platdata *pdat; + struct dma_pl330_dmac *pdmac; + struct dma_pl330_chan *pch; + struct pl330_info *pi; + struct dma_device *pd; + struct resource *res; + int i, ret, irq; + + pdat = adev->dev.platform_data; + + if (!pdat || !pdat->nr_valid_peri) { + dev_err(&adev->dev, "platform data missing\n"); + return -ENODEV; + } + + /* Allocate a new DMAC and its Channels */ + pdmac = kzalloc(pdat->nr_valid_peri * sizeof(*pch) + + sizeof(*pdmac), GFP_KERNEL); + if (!pdmac) { + dev_err(&adev->dev, "unable to allocate mem\n"); + return -ENOMEM; + } + + pi = &pdmac->pif; + pi->dev = &adev->dev; + pi->pl330_data = NULL; + pi->mcbufsz = pdat->mcbuf_sz; + + res = &adev->res; + request_mem_region(res->start, resource_size(res), "dma-pl330"); + + pi->base = ioremap(res->start, resource_size(res)); + if (!pi->base) { + ret = -ENXIO; + goto probe_err1; + } + + irq = adev->irq[0]; + ret = request_irq(irq, pl330_irq_handler, 0, + dev_name(&adev->dev), pi); + if (ret) + goto probe_err2; + + ret = pl330_add(pi); + if (ret) + goto probe_err3; + + INIT_LIST_HEAD(&pdmac->desc_pool); + spin_lock_init(&pdmac->pool_lock); + + /* Create a descriptor pool of default size */ + if (!add_desc(pdmac, GFP_KERNEL, NR_DEFAULT_DESC)) + dev_warn(&adev->dev, "unable to allocate desc\n"); + + pd = &pdmac->ddma; + INIT_LIST_HEAD(&pd->channels); + + /* Initialize channel parameters */ + for (i = 0; i < pdat->nr_valid_peri; i++) { + struct dma_pl330_peri *peri = &pdat->peri[i]; + pch = &pdmac->peripherals[i]; + + switch (peri->rqtype) { + case MEMTOMEM: + dma_cap_set(DMA_MEMCPY, pd->cap_mask); + break; + case MEMTODEV: + case DEVTOMEM: + dma_cap_set(DMA_SLAVE, pd->cap_mask); + break; + default: + dev_err(&adev->dev, "DEVTODEV Not Supported\n"); + continue; + } + + INIT_LIST_HEAD(&pch->work_list); + spin_lock_init(&pch->lock); + pch->pl330_chid = NULL; + pch->chan.private = peri; + pch->chan.device = pd; + pch->chan.chan_id = i; + pch->dmac = pdmac; + + /* Add the channel to the DMAC list */ + pd->chancnt++; + list_add_tail(&pch->chan.device_node, &pd->channels); + } + + pd->dev = &adev->dev; + + pd->device_alloc_chan_resources = pl330_alloc_chan_resources; + pd->device_free_chan_resources = pl330_free_chan_resources; + pd->device_prep_dma_memcpy = pl330_prep_dma_memcpy; + pd->device_tx_status = pl330_tx_status; + pd->device_prep_slave_sg = pl330_prep_slave_sg; + pd->device_control = pl330_control; + pd->device_issue_pending = pl330_issue_pending; + + ret = dma_async_device_register(pd); + if (ret) { + dev_err(&adev->dev, "unable to register DMAC\n"); + goto probe_err4; + } + + amba_set_drvdata(adev, pdmac); + + dev_info(&adev->dev, + "Loaded driver for PL330 DMAC-%d\n", adev->periphid); + dev_info(&adev->dev, + "\tDBUFF-%ux%ubytes Num_Chans-%u Num_Peri-%u Num_Events-%u\n", + pi->pcfg.data_buf_dep, + pi->pcfg.data_bus_width / 8, pi->pcfg.num_chan, + pi->pcfg.num_peri, pi->pcfg.num_events); + + return 0; + +probe_err4: + pl330_del(pi); +probe_err3: + free_irq(irq, pi); +probe_err2: + iounmap(pi->base); +probe_err1: + release_mem_region(res->start, resource_size(res)); + kfree(pdmac); + + return ret; +} + +static int __devexit pl330_remove(struct amba_device *adev) +{ + struct dma_pl330_dmac *pdmac = amba_get_drvdata(adev); + struct dma_pl330_chan *pch, *_p; + struct pl330_info *pi; + struct resource *res; + int irq; + + if (!pdmac) + return 0; + + amba_set_drvdata(adev, NULL); + + /* Idle the DMAC */ + list_for_each_entry_safe(pch, _p, &pdmac->ddma.channels, + chan.device_node) { + + /* Remove the channel */ + list_del(&pch->chan.device_node); + + /* Flush the channel */ + pl330_control(&pch->chan, DMA_TERMINATE_ALL, 0); + pl330_free_chan_resources(&pch->chan); + } + + pi = &pdmac->pif; + + pl330_del(pi); + + irq = adev->irq[0]; + free_irq(irq, pi); + + iounmap(pi->base); + + res = &adev->res; + release_mem_region(res->start, resource_size(res)); + + kfree(pdmac); + + return 0; +} + +static struct amba_id pl330_ids[] = { + { + .id = 0x00041330, + .mask = 0x000fffff, + }, + { 0, 0 }, +}; + +static struct amba_driver pl330_driver = { + .drv = { + .owner = THIS_MODULE, + .name = "dma-pl330", + }, + .id_table = pl330_ids, + .probe = pl330_probe, + .remove = pl330_remove, +}; + +static int __init pl330_init(void) +{ + return amba_driver_register(&pl330_driver); +} +module_init(pl330_init); + +static void __exit pl330_exit(void) +{ + amba_driver_unregister(&pl330_driver); + return; +} +module_exit(pl330_exit); + +MODULE_AUTHOR("Jaswinder Singh <jassi.brar@samsung.com>"); +MODULE_DESCRIPTION("API Driver for PL330 DMAC"); +MODULE_LICENSE("GPL"); diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c index a2a519fd2a24..fb64cf36ba61 100644 --- a/drivers/dma/shdma.c +++ b/drivers/dma/shdma.c @@ -816,7 +816,7 @@ static irqreturn_t sh_dmae_interrupt(int irq, void *data) return ret; } -#if defined(CONFIG_CPU_SH4) +#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_SHMOBILE) static irqreturn_t sh_dmae_err(int irq, void *data) { struct sh_dmae_device *shdev = (struct sh_dmae_device *)data; @@ -1057,7 +1057,7 @@ static int __init sh_dmae_probe(struct platform_device *pdev) /* Default transfer size of 32 bytes requires 32-byte alignment */ shdev->common.copy_align = LOG2_DEFAULT_XFER_SIZE; -#if defined(CONFIG_CPU_SH4) +#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_SHMOBILE) chanirq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 1); if (!chanirq_res) @@ -1082,7 +1082,7 @@ static int __init sh_dmae_probe(struct platform_device *pdev) #else chanirq_res = errirq_res; -#endif /* CONFIG_CPU_SH4 */ +#endif /* CONFIG_CPU_SH4 || CONFIG_ARCH_SHMOBILE */ if (chanirq_res->start == chanirq_res->end && !platform_get_resource(pdev, IORESOURCE_IRQ, 1)) { @@ -1129,7 +1129,7 @@ static int __init sh_dmae_probe(struct platform_device *pdev) chan_probe_err: sh_dmae_chan_remove(shdev); eirqres: -#if defined(CONFIG_CPU_SH4) +#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_SHMOBILE) free_irq(errirq, shdev); eirq_err: #endif diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 4fd0f276df5a..724038dab4ca 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -195,6 +195,13 @@ config GPIO_PCF857X This driver provides an in-kernel interface to those GPIOs using platform-neutral GPIO calls. +config GPIO_TC35892 + bool "TC35892 GPIOs" + depends on MFD_TC35892 + help + This enables support for the GPIOs found on the TC35892 + I/O Expander. + config GPIO_TWL4030 tristate "TWL4030, TWL5030, and TPS659x0 GPIOs" depends on TWL4030_CORE @@ -282,6 +289,15 @@ config GPIO_TIMBERDALE ---help--- Add support for the GPIO IP in the timberdale FPGA. +config GPIO_RDC321X + tristate "RDC R-321x GPIO support" + depends on PCI && GPIOLIB + select MFD_CORE + select MFD_RDC321X + help + Support for the RDC R321x SoC GPIOs over southbridge + PCI configuration space. + comment "SPI GPIO expanders:" config GPIO_MAX7301 @@ -317,4 +333,14 @@ config GPIO_UCB1400 To compile this driver as a module, choose M here: the module will be called ucb1400_gpio. +comment "MODULbus GPIO expanders:" + +config GPIO_JANZ_TTL + tristate "Janz VMOD-TTL Digital IO Module" + depends on MFD_JANZ_CMODIO + help + This enables support for the Janz VMOD-TTL Digital IO module. + This driver provides support for driving the pins in output + mode only. Input mode is not supported. + endif diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index 10f3f8d958b1..51c3cdd41b5a 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -16,6 +16,7 @@ obj-$(CONFIG_GPIO_MCP23S08) += mcp23s08.o obj-$(CONFIG_GPIO_PCA953X) += pca953x.o obj-$(CONFIG_GPIO_PCF857X) += pcf857x.o obj-$(CONFIG_GPIO_PL061) += pl061.o +obj-$(CONFIG_GPIO_TC35892) += tc35892-gpio.o obj-$(CONFIG_GPIO_TIMBERDALE) += timbgpio.o obj-$(CONFIG_GPIO_TWL4030) += twl4030-gpio.o obj-$(CONFIG_GPIO_UCB1400) += ucb1400_gpio.o @@ -27,4 +28,6 @@ obj-$(CONFIG_GPIO_VR41XX) += vr41xx_giu.o obj-$(CONFIG_GPIO_WM831X) += wm831x-gpio.o obj-$(CONFIG_GPIO_WM8350) += wm8350-gpiolib.o obj-$(CONFIG_GPIO_WM8994) += wm8994-gpio.o -obj-$(CONFIG_GPIO_SCH) += sch_gpio.o
\ No newline at end of file +obj-$(CONFIG_GPIO_SCH) += sch_gpio.o +obj-$(CONFIG_GPIO_RDC321X) += rdc321x-gpio.o +obj-$(CONFIG_GPIO_JANZ_TTL) += janz-ttl.o diff --git a/drivers/gpio/janz-ttl.c b/drivers/gpio/janz-ttl.c new file mode 100644 index 000000000000..813ac077e5d7 --- /dev/null +++ b/drivers/gpio/janz-ttl.c @@ -0,0 +1,258 @@ +/* + * Janz MODULbus VMOD-TTL GPIO Driver + * + * Copyright (c) 2010 Ira W. Snyder <iws@ovro.caltech.edu> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/gpio.h> +#include <linux/slab.h> + +#include <linux/mfd/janz.h> + +#define DRV_NAME "janz-ttl" + +#define PORTA_DIRECTION 0x23 +#define PORTB_DIRECTION 0x2B +#define PORTC_DIRECTION 0x06 +#define PORTA_IOCTL 0x24 +#define PORTB_IOCTL 0x2C +#define PORTC_IOCTL 0x07 + +#define MASTER_INT_CTL 0x00 +#define MASTER_CONF_CTL 0x01 + +#define CONF_PAE (1 << 2) +#define CONF_PBE (1 << 7) +#define CONF_PCE (1 << 4) + +struct ttl_control_regs { + __be16 portc; + __be16 portb; + __be16 porta; + __be16 control; +}; + +struct ttl_module { + struct gpio_chip gpio; + + /* base address of registers */ + struct ttl_control_regs __iomem *regs; + + u8 portc_shadow; + u8 portb_shadow; + u8 porta_shadow; + + spinlock_t lock; +}; + +static int ttl_get_value(struct gpio_chip *gpio, unsigned offset) +{ + struct ttl_module *mod = dev_get_drvdata(gpio->dev); + u8 *shadow; + int ret; + + if (offset < 8) { + shadow = &mod->porta_shadow; + } else if (offset < 16) { + shadow = &mod->portb_shadow; + offset -= 8; + } else { + shadow = &mod->portc_shadow; + offset -= 16; + } + + spin_lock(&mod->lock); + ret = *shadow & (1 << offset); + spin_unlock(&mod->lock); + return ret; +} + +static void ttl_set_value(struct gpio_chip *gpio, unsigned offset, int value) +{ + struct ttl_module *mod = dev_get_drvdata(gpio->dev); + void __iomem *port; + u8 *shadow; + + if (offset < 8) { + port = &mod->regs->porta; + shadow = &mod->porta_shadow; + } else if (offset < 16) { + port = &mod->regs->portb; + shadow = &mod->portb_shadow; + offset -= 8; + } else { + port = &mod->regs->portc; + shadow = &mod->portc_shadow; + offset -= 16; + } + + spin_lock(&mod->lock); + if (value) + *shadow |= (1 << offset); + else + *shadow &= ~(1 << offset); + + iowrite16be(*shadow, port); + spin_unlock(&mod->lock); +} + +static void __devinit ttl_write_reg(struct ttl_module *mod, u8 reg, u16 val) +{ + iowrite16be(reg, &mod->regs->control); + iowrite16be(val, &mod->regs->control); +} + +static void __devinit ttl_setup_device(struct ttl_module *mod) +{ + /* reset the device to a known state */ + iowrite16be(0x0000, &mod->regs->control); + iowrite16be(0x0001, &mod->regs->control); + iowrite16be(0x0000, &mod->regs->control); + + /* put all ports in open-drain mode */ + ttl_write_reg(mod, PORTA_IOCTL, 0x00ff); + ttl_write_reg(mod, PORTB_IOCTL, 0x00ff); + ttl_write_reg(mod, PORTC_IOCTL, 0x000f); + + /* set all ports as outputs */ + ttl_write_reg(mod, PORTA_DIRECTION, 0x0000); + ttl_write_reg(mod, PORTB_DIRECTION, 0x0000); + ttl_write_reg(mod, PORTC_DIRECTION, 0x0000); + + /* set all ports to drive zeroes */ + iowrite16be(0x0000, &mod->regs->porta); + iowrite16be(0x0000, &mod->regs->portb); + iowrite16be(0x0000, &mod->regs->portc); + + /* enable all ports */ + ttl_write_reg(mod, MASTER_CONF_CTL, CONF_PAE | CONF_PBE | CONF_PCE); +} + +static int __devinit ttl_probe(struct platform_device *pdev) +{ + struct janz_platform_data *pdata; + struct device *dev = &pdev->dev; + struct ttl_module *mod; + struct gpio_chip *gpio; + struct resource *res; + int ret; + + pdata = pdev->dev.platform_data; + if (!pdata) { + dev_err(dev, "no platform data\n"); + ret = -ENXIO; + goto out_return; + } + + mod = kzalloc(sizeof(*mod), GFP_KERNEL); + if (!mod) { + dev_err(dev, "unable to allocate private data\n"); + ret = -ENOMEM; + goto out_return; + } + + platform_set_drvdata(pdev, mod); + spin_lock_init(&mod->lock); + + /* get access to the MODULbus registers for this module */ + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(dev, "MODULbus registers not found\n"); + ret = -ENODEV; + goto out_free_mod; + } + + mod->regs = ioremap(res->start, resource_size(res)); + if (!mod->regs) { + dev_err(dev, "MODULbus registers not ioremap\n"); + ret = -ENOMEM; + goto out_free_mod; + } + + ttl_setup_device(mod); + + /* Initialize the GPIO data structures */ + gpio = &mod->gpio; + gpio->dev = &pdev->dev; + gpio->label = pdev->name; + gpio->get = ttl_get_value; + gpio->set = ttl_set_value; + gpio->owner = THIS_MODULE; + + /* request dynamic allocation */ + gpio->base = -1; + gpio->ngpio = 20; + + ret = gpiochip_add(gpio); + if (ret) { + dev_err(dev, "unable to add GPIO chip\n"); + goto out_iounmap_regs; + } + + dev_info(&pdev->dev, "module %d: registered GPIO device\n", + pdata->modno); + return 0; + +out_iounmap_regs: + iounmap(mod->regs); +out_free_mod: + kfree(mod); +out_return: + return ret; +} + +static int __devexit ttl_remove(struct platform_device *pdev) +{ + struct ttl_module *mod = platform_get_drvdata(pdev); + struct device *dev = &pdev->dev; + int ret; + + ret = gpiochip_remove(&mod->gpio); + if (ret) { + dev_err(dev, "unable to remove GPIO chip\n"); + return ret; + } + + iounmap(mod->regs); + kfree(mod); + return 0; +} + +static struct platform_driver ttl_driver = { + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + }, + .probe = ttl_probe, + .remove = __devexit_p(ttl_remove), +}; + +static int __init ttl_init(void) +{ + return platform_driver_register(&ttl_driver); +} + +static void __exit ttl_exit(void) +{ + platform_driver_unregister(&ttl_driver); +} + +MODULE_AUTHOR("Ira W. Snyder <iws@ovro.caltech.edu>"); +MODULE_DESCRIPTION("Janz MODULbus VMOD-TTL Driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:janz-ttl"); + +module_init(ttl_init); +module_exit(ttl_exit); diff --git a/drivers/gpio/rdc321x-gpio.c b/drivers/gpio/rdc321x-gpio.c new file mode 100644 index 000000000000..2762698e0204 --- /dev/null +++ b/drivers/gpio/rdc321x-gpio.c @@ -0,0 +1,246 @@ +/* + * RDC321x GPIO driver + * + * Copyright (C) 2008, Volker Weiss <dev@tintuc.de> + * Copyright (C) 2007-2010 Florian Fainelli <florian@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/spinlock.h> +#include <linux/platform_device.h> +#include <linux/pci.h> +#include <linux/gpio.h> +#include <linux/mfd/rdc321x.h> +#include <linux/slab.h> + +struct rdc321x_gpio { + spinlock_t lock; + struct pci_dev *sb_pdev; + u32 data_reg[2]; + int reg1_ctrl_base; + int reg1_data_base; + int reg2_ctrl_base; + int reg2_data_base; + struct gpio_chip chip; +}; + +/* read GPIO pin */ +static int rdc_gpio_get_value(struct gpio_chip *chip, unsigned gpio) +{ + struct rdc321x_gpio *gpch; + u32 value = 0; + int reg; + + gpch = container_of(chip, struct rdc321x_gpio, chip); + reg = gpio < 32 ? gpch->reg1_data_base : gpch->reg2_data_base; + + spin_lock(&gpch->lock); + pci_write_config_dword(gpch->sb_pdev, reg, + gpch->data_reg[gpio < 32 ? 0 : 1]); + pci_read_config_dword(gpch->sb_pdev, reg, &value); + spin_unlock(&gpch->lock); + + return (1 << (gpio & 0x1f)) & value ? 1 : 0; +} + +static void rdc_gpio_set_value_impl(struct gpio_chip *chip, + unsigned gpio, int value) +{ + struct rdc321x_gpio *gpch; + int reg = (gpio < 32) ? 0 : 1; + + gpch = container_of(chip, struct rdc321x_gpio, chip); + + if (value) + gpch->data_reg[reg] |= 1 << (gpio & 0x1f); + else + gpch->data_reg[reg] &= ~(1 << (gpio & 0x1f)); + + pci_write_config_dword(gpch->sb_pdev, + reg ? gpch->reg2_data_base : gpch->reg1_data_base, + gpch->data_reg[reg]); +} + +/* set GPIO pin to value */ +static void rdc_gpio_set_value(struct gpio_chip *chip, + unsigned gpio, int value) +{ + struct rdc321x_gpio *gpch; + + gpch = container_of(chip, struct rdc321x_gpio, chip); + spin_lock(&gpch->lock); + rdc_gpio_set_value_impl(chip, gpio, value); + spin_unlock(&gpch->lock); +} + +static int rdc_gpio_config(struct gpio_chip *chip, + unsigned gpio, int value) +{ + struct rdc321x_gpio *gpch; + int err; + u32 reg; + + gpch = container_of(chip, struct rdc321x_gpio, chip); + + spin_lock(&gpch->lock); + err = pci_read_config_dword(gpch->sb_pdev, gpio < 32 ? + gpch->reg1_ctrl_base : gpch->reg2_ctrl_base, ®); + if (err) + goto unlock; + + reg |= 1 << (gpio & 0x1f); + + err = pci_write_config_dword(gpch->sb_pdev, gpio < 32 ? + gpch->reg1_ctrl_base : gpch->reg2_ctrl_base, reg); + if (err) + goto unlock; + + rdc_gpio_set_value_impl(chip, gpio, value); + +unlock: + spin_unlock(&gpch->lock); + + return err; +} + +/* configure GPIO pin as input */ +static int rdc_gpio_direction_input(struct gpio_chip *chip, unsigned gpio) +{ + return rdc_gpio_config(chip, gpio, 1); +} + +/* + * Cache the initial value of both GPIO data registers + */ +static int __devinit rdc321x_gpio_probe(struct platform_device *pdev) +{ + int err; + struct resource *r; + struct rdc321x_gpio *rdc321x_gpio_dev; + struct rdc321x_gpio_pdata *pdata; + + pdata = pdev->dev.platform_data; + if (!pdata) { + dev_err(&pdev->dev, "no platform data supplied\n"); + return -ENODEV; + } + + rdc321x_gpio_dev = kzalloc(sizeof(struct rdc321x_gpio), GFP_KERNEL); + if (!rdc321x_gpio_dev) { + dev_err(&pdev->dev, "failed to allocate private data\n"); + return -ENOMEM; + } + + r = platform_get_resource_byname(pdev, IORESOURCE_IO, "gpio-reg1"); + if (!r) { + dev_err(&pdev->dev, "failed to get gpio-reg1 resource\n"); + err = -ENODEV; + goto out_free; + } + + spin_lock_init(&rdc321x_gpio_dev->lock); + rdc321x_gpio_dev->sb_pdev = pdata->sb_pdev; + rdc321x_gpio_dev->reg1_ctrl_base = r->start; + rdc321x_gpio_dev->reg1_data_base = r->start + 0x4; + + r = platform_get_resource_byname(pdev, IORESOURCE_IO, "gpio-reg2"); + if (!r) { + dev_err(&pdev->dev, "failed to get gpio-reg2 resource\n"); + err = -ENODEV; + goto out_free; + } + + rdc321x_gpio_dev->reg2_ctrl_base = r->start; + rdc321x_gpio_dev->reg2_data_base = r->start + 0x4; + + rdc321x_gpio_dev->chip.label = "rdc321x-gpio"; + rdc321x_gpio_dev->chip.direction_input = rdc_gpio_direction_input; + rdc321x_gpio_dev->chip.direction_output = rdc_gpio_config; + rdc321x_gpio_dev->chip.get = rdc_gpio_get_value; + rdc321x_gpio_dev->chip.set = rdc_gpio_set_value; + rdc321x_gpio_dev->chip.base = 0; + rdc321x_gpio_dev->chip.ngpio = pdata->max_gpios; + + platform_set_drvdata(pdev, rdc321x_gpio_dev); + + /* This might not be, what others (BIOS, bootloader, etc.) + wrote to these registers before, but it's a good guess. Still + better than just using 0xffffffff. */ + err = pci_read_config_dword(rdc321x_gpio_dev->sb_pdev, + rdc321x_gpio_dev->reg1_data_base, + &rdc321x_gpio_dev->data_reg[0]); + if (err) + goto out_drvdata; + + err = pci_read_config_dword(rdc321x_gpio_dev->sb_pdev, + rdc321x_gpio_dev->reg2_data_base, + &rdc321x_gpio_dev->data_reg[1]); + if (err) + goto out_drvdata; + + dev_info(&pdev->dev, "registering %d GPIOs\n", + rdc321x_gpio_dev->chip.ngpio); + return gpiochip_add(&rdc321x_gpio_dev->chip); + +out_drvdata: + platform_set_drvdata(pdev, NULL); +out_free: + kfree(rdc321x_gpio_dev); + return err; +} + +static int __devexit rdc321x_gpio_remove(struct platform_device *pdev) +{ + int ret; + struct rdc321x_gpio *rdc321x_gpio_dev = platform_get_drvdata(pdev); + + ret = gpiochip_remove(&rdc321x_gpio_dev->chip); + if (ret) + dev_err(&pdev->dev, "failed to unregister chip\n"); + + kfree(rdc321x_gpio_dev); + platform_set_drvdata(pdev, NULL); + + return ret; +} + +static struct platform_driver rdc321x_gpio_driver = { + .driver.name = "rdc321x-gpio", + .driver.owner = THIS_MODULE, + .probe = rdc321x_gpio_probe, + .remove = __devexit_p(rdc321x_gpio_remove), +}; + +static int __init rdc321x_gpio_init(void) +{ + return platform_driver_register(&rdc321x_gpio_driver); +} + +static void __exit rdc321x_gpio_exit(void) +{ + platform_driver_unregister(&rdc321x_gpio_driver); +} + +module_init(rdc321x_gpio_init); +module_exit(rdc321x_gpio_exit); + +MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>"); +MODULE_DESCRIPTION("RDC321x GPIO driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:rdc321x-gpio"); diff --git a/drivers/gpio/tc35892-gpio.c b/drivers/gpio/tc35892-gpio.c new file mode 100644 index 000000000000..1be6288780de --- /dev/null +++ b/drivers/gpio/tc35892-gpio.c @@ -0,0 +1,381 @@ +/* + * Copyright (C) ST-Ericsson SA 2010 + * + * License Terms: GNU General Public License, version 2 + * Author: Hanumath Prasad <hanumath.prasad@stericsson.com> for ST-Ericsson + * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <linux/gpio.h> +#include <linux/irq.h> +#include <linux/interrupt.h> +#include <linux/mfd/tc35892.h> + +/* + * These registers are modified under the irq bus lock and cached to avoid + * unnecessary writes in bus_sync_unlock. + */ +enum { REG_IBE, REG_IEV, REG_IS, REG_IE }; + +#define CACHE_NR_REGS 4 +#define CACHE_NR_BANKS 3 + +struct tc35892_gpio { + struct gpio_chip chip; + struct tc35892 *tc35892; + struct device *dev; + struct mutex irq_lock; + + int irq_base; + + /* Caches of interrupt control registers for bus_lock */ + u8 regs[CACHE_NR_REGS][CACHE_NR_BANKS]; + u8 oldregs[CACHE_NR_REGS][CACHE_NR_BANKS]; +}; + +static inline struct tc35892_gpio *to_tc35892_gpio(struct gpio_chip *chip) +{ + return container_of(chip, struct tc35892_gpio, chip); +} + +static int tc35892_gpio_get(struct gpio_chip *chip, unsigned offset) +{ + struct tc35892_gpio *tc35892_gpio = to_tc35892_gpio(chip); + struct tc35892 *tc35892 = tc35892_gpio->tc35892; + u8 reg = TC35892_GPIODATA0 + (offset / 8) * 2; + u8 mask = 1 << (offset % 8); + int ret; + + ret = tc35892_reg_read(tc35892, reg); + if (ret < 0) + return ret; + + return ret & mask; +} + +static void tc35892_gpio_set(struct gpio_chip *chip, unsigned offset, int val) +{ + struct tc35892_gpio *tc35892_gpio = to_tc35892_gpio(chip); + struct tc35892 *tc35892 = tc35892_gpio->tc35892; + u8 reg = TC35892_GPIODATA0 + (offset / 8) * 2; + unsigned pos = offset % 8; + u8 data[] = {!!val << pos, 1 << pos}; + + tc35892_block_write(tc35892, reg, ARRAY_SIZE(data), data); +} + +static int tc35892_gpio_direction_output(struct gpio_chip *chip, + unsigned offset, int val) +{ + struct tc35892_gpio *tc35892_gpio = to_tc35892_gpio(chip); + struct tc35892 *tc35892 = tc35892_gpio->tc35892; + u8 reg = TC35892_GPIODIR0 + offset / 8; + unsigned pos = offset % 8; + + tc35892_gpio_set(chip, offset, val); + + return tc35892_set_bits(tc35892, reg, 1 << pos, 1 << pos); +} + +static int tc35892_gpio_direction_input(struct gpio_chip *chip, + unsigned offset) +{ + struct tc35892_gpio *tc35892_gpio = to_tc35892_gpio(chip); + struct tc35892 *tc35892 = tc35892_gpio->tc35892; + u8 reg = TC35892_GPIODIR0 + offset / 8; + unsigned pos = offset % 8; + + return tc35892_set_bits(tc35892, reg, 1 << pos, 0); +} + +static int tc35892_gpio_to_irq(struct gpio_chip *chip, unsigned offset) +{ + struct tc35892_gpio *tc35892_gpio = to_tc35892_gpio(chip); + + return tc35892_gpio->irq_base + offset; +} + +static struct gpio_chip template_chip = { + .label = "tc35892", + .owner = THIS_MODULE, + .direction_input = tc35892_gpio_direction_input, + .get = tc35892_gpio_get, + .direction_output = tc35892_gpio_direction_output, + .set = tc35892_gpio_set, + .to_irq = tc35892_gpio_to_irq, + .can_sleep = 1, +}; + +static int tc35892_gpio_irq_set_type(unsigned int irq, unsigned int type) +{ + struct tc35892_gpio *tc35892_gpio = get_irq_chip_data(irq); + int offset = irq - tc35892_gpio->irq_base; + int regoffset = offset / 8; + int mask = 1 << (offset % 8); + + if (type == IRQ_TYPE_EDGE_BOTH) { + tc35892_gpio->regs[REG_IBE][regoffset] |= mask; + return 0; + } + + tc35892_gpio->regs[REG_IBE][regoffset] &= ~mask; + + if (type == IRQ_TYPE_LEVEL_LOW || type == IRQ_TYPE_LEVEL_HIGH) + tc35892_gpio->regs[REG_IS][regoffset] |= mask; + else + tc35892_gpio->regs[REG_IS][regoffset] &= ~mask; + + if (type == IRQ_TYPE_EDGE_RISING || type == IRQ_TYPE_LEVEL_HIGH) + tc35892_gpio->regs[REG_IEV][regoffset] |= mask; + else + tc35892_gpio->regs[REG_IEV][regoffset] &= ~mask; + + return 0; +} + +static void tc35892_gpio_irq_lock(unsigned int irq) +{ + struct tc35892_gpio *tc35892_gpio = get_irq_chip_data(irq); + + mutex_lock(&tc35892_gpio->irq_lock); +} + +static void tc35892_gpio_irq_sync_unlock(unsigned int irq) +{ + struct tc35892_gpio *tc35892_gpio = get_irq_chip_data(irq); + struct tc35892 *tc35892 = tc35892_gpio->tc35892; + static const u8 regmap[] = { + [REG_IBE] = TC35892_GPIOIBE0, + [REG_IEV] = TC35892_GPIOIEV0, + [REG_IS] = TC35892_GPIOIS0, + [REG_IE] = TC35892_GPIOIE0, + }; + int i, j; + + for (i = 0; i < CACHE_NR_REGS; i++) { + for (j = 0; j < CACHE_NR_BANKS; j++) { + u8 old = tc35892_gpio->oldregs[i][j]; + u8 new = tc35892_gpio->regs[i][j]; + + if (new == old) + continue; + + tc35892_gpio->oldregs[i][j] = new; + tc35892_reg_write(tc35892, regmap[i] + j * 8, new); + } + } + + mutex_unlock(&tc35892_gpio->irq_lock); +} + +static void tc35892_gpio_irq_mask(unsigned int irq) +{ + struct tc35892_gpio *tc35892_gpio = get_irq_chip_data(irq); + int offset = irq - tc35892_gpio->irq_base; + int regoffset = offset / 8; + int mask = 1 << (offset % 8); + + tc35892_gpio->regs[REG_IE][regoffset] &= ~mask; +} + +static void tc35892_gpio_irq_unmask(unsigned int irq) +{ + struct tc35892_gpio *tc35892_gpio = get_irq_chip_data(irq); + int offset = irq - tc35892_gpio->irq_base; + int regoffset = offset / 8; + int mask = 1 << (offset % 8); + + tc35892_gpio->regs[REG_IE][regoffset] |= mask; +} + +static struct irq_chip tc35892_gpio_irq_chip = { + .name = "tc35892-gpio", + .bus_lock = tc35892_gpio_irq_lock, + .bus_sync_unlock = tc35892_gpio_irq_sync_unlock, + .mask = tc35892_gpio_irq_mask, + .unmask = tc35892_gpio_irq_unmask, + .set_type = tc35892_gpio_irq_set_type, +}; + +static irqreturn_t tc35892_gpio_irq(int irq, void *dev) +{ + struct tc35892_gpio *tc35892_gpio = dev; + struct tc35892 *tc35892 = tc35892_gpio->tc35892; + u8 status[CACHE_NR_BANKS]; + int ret; + int i; + + ret = tc35892_block_read(tc35892, TC35892_GPIOMIS0, + ARRAY_SIZE(status), status); + if (ret < 0) + return IRQ_NONE; + + for (i = 0; i < ARRAY_SIZE(status); i++) { + unsigned int stat = status[i]; + if (!stat) + continue; + + while (stat) { + int bit = __ffs(stat); + int line = i * 8 + bit; + + handle_nested_irq(tc35892_gpio->irq_base + line); + stat &= ~(1 << bit); + } + + tc35892_reg_write(tc35892, TC35892_GPIOIC0 + i, status[i]); + } + + return IRQ_HANDLED; +} + +static int tc35892_gpio_irq_init(struct tc35892_gpio *tc35892_gpio) +{ + int base = tc35892_gpio->irq_base; + int irq; + + for (irq = base; irq < base + tc35892_gpio->chip.ngpio; irq++) { + set_irq_chip_data(irq, tc35892_gpio); + set_irq_chip_and_handler(irq, &tc35892_gpio_irq_chip, + handle_simple_irq); + set_irq_nested_thread(irq, 1); +#ifdef CONFIG_ARM + set_irq_flags(irq, IRQF_VALID); +#else + set_irq_noprobe(irq); +#endif + } + + return 0; +} + +static void tc35892_gpio_irq_remove(struct tc35892_gpio *tc35892_gpio) +{ + int base = tc35892_gpio->irq_base; + int irq; + + for (irq = base; irq < base + tc35892_gpio->chip.ngpio; irq++) { +#ifdef CONFIG_ARM + set_irq_flags(irq, 0); +#endif + set_irq_chip_and_handler(irq, NULL, NULL); + set_irq_chip_data(irq, NULL); + } +} + +static int __devinit tc35892_gpio_probe(struct platform_device *pdev) +{ + struct tc35892 *tc35892 = dev_get_drvdata(pdev->dev.parent); + struct tc35892_gpio_platform_data *pdata; + struct tc35892_gpio *tc35892_gpio; + int ret; + int irq; + + pdata = tc35892->pdata->gpio; + if (!pdata) + return -ENODEV; + + irq = platform_get_irq(pdev, 0); + if (irq < 0) + return irq; + + tc35892_gpio = kzalloc(sizeof(struct tc35892_gpio), GFP_KERNEL); + if (!tc35892_gpio) + return -ENOMEM; + + mutex_init(&tc35892_gpio->irq_lock); + + tc35892_gpio->dev = &pdev->dev; + tc35892_gpio->tc35892 = tc35892; + + tc35892_gpio->chip = template_chip; + tc35892_gpio->chip.ngpio = tc35892->num_gpio; + tc35892_gpio->chip.dev = &pdev->dev; + tc35892_gpio->chip.base = pdata->gpio_base; + + tc35892_gpio->irq_base = tc35892->irq_base + TC35892_INT_GPIO(0); + + /* Bring the GPIO module out of reset */ + ret = tc35892_set_bits(tc35892, TC35892_RSTCTRL, + TC35892_RSTCTRL_GPIRST, 0); + if (ret < 0) + goto out_free; + + ret = tc35892_gpio_irq_init(tc35892_gpio); + if (ret) + goto out_free; + + ret = request_threaded_irq(irq, NULL, tc35892_gpio_irq, IRQF_ONESHOT, + "tc35892-gpio", tc35892_gpio); + if (ret) { + dev_err(&pdev->dev, "unable to get irq: %d\n", ret); + goto out_removeirq; + } + + ret = gpiochip_add(&tc35892_gpio->chip); + if (ret) { + dev_err(&pdev->dev, "unable to add gpiochip: %d\n", ret); + goto out_freeirq; + } + + platform_set_drvdata(pdev, tc35892_gpio); + + return 0; + +out_freeirq: + free_irq(irq, tc35892_gpio); +out_removeirq: + tc35892_gpio_irq_remove(tc35892_gpio); +out_free: + kfree(tc35892_gpio); + return ret; +} + +static int __devexit tc35892_gpio_remove(struct platform_device *pdev) +{ + struct tc35892_gpio *tc35892_gpio = platform_get_drvdata(pdev); + int irq = platform_get_irq(pdev, 0); + int ret; + + ret = gpiochip_remove(&tc35892_gpio->chip); + if (ret < 0) { + dev_err(tc35892_gpio->dev, + "unable to remove gpiochip: %d\n", ret); + return ret; + } + + free_irq(irq, tc35892_gpio); + tc35892_gpio_irq_remove(tc35892_gpio); + + platform_set_drvdata(pdev, NULL); + kfree(tc35892_gpio); + + return 0; +} + +static struct platform_driver tc35892_gpio_driver = { + .driver.name = "tc35892-gpio", + .driver.owner = THIS_MODULE, + .probe = tc35892_gpio_probe, + .remove = __devexit_p(tc35892_gpio_remove), +}; + +static int __init tc35892_gpio_init(void) +{ + return platform_driver_register(&tc35892_gpio_driver); +} +subsys_initcall(tc35892_gpio_init); + +static void __exit tc35892_gpio_exit(void) +{ + platform_driver_unregister(&tc35892_gpio_driver); +} +module_exit(tc35892_gpio_exit); + +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("TC35892 GPIO driver"); +MODULE_AUTHOR("Hanumath Prasad, Rabin Vincent"); diff --git a/drivers/gpu/drm/radeon/radeon_state.c b/drivers/gpu/drm/radeon/radeon_state.c index cc5316dcf580..b3ba44c0a818 100644 --- a/drivers/gpu/drm/radeon/radeon_state.c +++ b/drivers/gpu/drm/radeon/radeon_state.c @@ -900,9 +900,10 @@ static void radeon_cp_dispatch_clear(struct drm_device * dev, flags |= RADEON_FRONT; } if (flags & (RADEON_DEPTH|RADEON_STENCIL)) { - if (!dev_priv->have_z_offset) + if (!dev_priv->have_z_offset) { printk_once(KERN_ERR "radeon: illegal depth clear request. Buggy mesa detected - please update.\n"); - flags &= ~(RADEON_DEPTH | RADEON_STENCIL); + flags &= ~(RADEON_DEPTH | RADEON_STENCIL); + } } if (flags & (RADEON_FRONT | RADEON_BACK)) { diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index 87ab0568bb0e..dec387d3f04d 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -529,7 +529,7 @@ config I2C_SH7760 config I2C_SH_MOBILE tristate "SuperH Mobile I2C Controller" - depends on SUPERH + depends on SUPERH || ARCH_SHMOBILE help If you say yes to this option, support will be included for the built-in I2C interface on the Renesas SH-Mobile processor. diff --git a/drivers/i2c/busses/i2c-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c index ffb405d7c6f2..598c49acaeb5 100644 --- a/drivers/i2c/busses/i2c-sh_mobile.c +++ b/drivers/i2c/busses/i2c-sh_mobile.c @@ -119,8 +119,10 @@ struct sh_mobile_i2c_data { struct i2c_adapter adap; struct clk *clk; + u_int8_t icic; u_int8_t iccl; u_int8_t icch; + u_int8_t flags; spinlock_t lock; wait_queue_head_t wait; @@ -129,15 +131,17 @@ struct sh_mobile_i2c_data { int sr; }; +#define IIC_FLAG_HAS_ICIC67 (1 << 0) + #define NORMAL_SPEED 100000 /* FAST_SPEED 400000 */ /* Register offsets */ -#define ICDR(pd) (pd->reg + 0x00) -#define ICCR(pd) (pd->reg + 0x04) -#define ICSR(pd) (pd->reg + 0x08) -#define ICIC(pd) (pd->reg + 0x0c) -#define ICCL(pd) (pd->reg + 0x10) -#define ICCH(pd) (pd->reg + 0x14) +#define ICDR 0x00 +#define ICCR 0x04 +#define ICSR 0x08 +#define ICIC 0x0c +#define ICCL 0x10 +#define ICCH 0x14 /* Register bits */ #define ICCR_ICE 0x80 @@ -155,11 +159,32 @@ struct sh_mobile_i2c_data { #define ICSR_WAIT 0x02 #define ICSR_DTE 0x01 +#define ICIC_ICCLB8 0x80 +#define ICIC_ICCHB8 0x40 #define ICIC_ALE 0x08 #define ICIC_TACKE 0x04 #define ICIC_WAITE 0x02 #define ICIC_DTEE 0x01 +static void iic_wr(struct sh_mobile_i2c_data *pd, int offs, unsigned char data) +{ + if (offs == ICIC) + data |= pd->icic; + + iowrite8(data, pd->reg + offs); +} + +static unsigned char iic_rd(struct sh_mobile_i2c_data *pd, int offs) +{ + return ioread8(pd->reg + offs); +} + +static void iic_set_clr(struct sh_mobile_i2c_data *pd, int offs, + unsigned char set, unsigned char clr) +{ + iic_wr(pd, offs, (iic_rd(pd, offs) | set) & ~clr); +} + static void activate_ch(struct sh_mobile_i2c_data *pd) { unsigned long i2c_clk; @@ -187,6 +212,14 @@ static void activate_ch(struct sh_mobile_i2c_data *pd) else pd->iccl = (u_int8_t)(num/denom); + /* one more bit of ICCL in ICIC */ + if (pd->flags & IIC_FLAG_HAS_ICIC67) { + if ((num/denom) > 0xff) + pd->icic |= ICIC_ICCLB8; + else + pd->icic &= ~ICIC_ICCLB8; + } + /* Calculate the value for icch. From the data sheet: icch = (p clock / transfer rate) * (H / (L + H)) */ num = i2c_clk * 4; @@ -196,25 +229,33 @@ static void activate_ch(struct sh_mobile_i2c_data *pd) else pd->icch = (u_int8_t)(num/denom); + /* one more bit of ICCH in ICIC */ + if (pd->flags & IIC_FLAG_HAS_ICIC67) { + if ((num/denom) > 0xff) + pd->icic |= ICIC_ICCHB8; + else + pd->icic &= ~ICIC_ICCHB8; + } + /* Enable channel and configure rx ack */ - iowrite8(ioread8(ICCR(pd)) | ICCR_ICE, ICCR(pd)); + iic_set_clr(pd, ICCR, ICCR_ICE, 0); /* Mask all interrupts */ - iowrite8(0, ICIC(pd)); + iic_wr(pd, ICIC, 0); /* Set the clock */ - iowrite8(pd->iccl, ICCL(pd)); - iowrite8(pd->icch, ICCH(pd)); + iic_wr(pd, ICCL, pd->iccl); + iic_wr(pd, ICCH, pd->icch); } static void deactivate_ch(struct sh_mobile_i2c_data *pd) { /* Clear/disable interrupts */ - iowrite8(0, ICSR(pd)); - iowrite8(0, ICIC(pd)); + iic_wr(pd, ICSR, 0); + iic_wr(pd, ICIC, 0); /* Disable channel */ - iowrite8(ioread8(ICCR(pd)) & ~ICCR_ICE, ICCR(pd)); + iic_set_clr(pd, ICCR, 0, ICCR_ICE); /* Disable clock and mark device as idle */ clk_disable(pd->clk); @@ -233,35 +274,35 @@ static unsigned char i2c_op(struct sh_mobile_i2c_data *pd, switch (op) { case OP_START: /* issue start and trigger DTE interrupt */ - iowrite8(0x94, ICCR(pd)); + iic_wr(pd, ICCR, 0x94); break; case OP_TX_FIRST: /* disable DTE interrupt and write data */ - iowrite8(ICIC_WAITE | ICIC_ALE | ICIC_TACKE, ICIC(pd)); - iowrite8(data, ICDR(pd)); + iic_wr(pd, ICIC, ICIC_WAITE | ICIC_ALE | ICIC_TACKE); + iic_wr(pd, ICDR, data); break; case OP_TX: /* write data */ - iowrite8(data, ICDR(pd)); + iic_wr(pd, ICDR, data); break; case OP_TX_STOP: /* write data and issue a stop afterwards */ - iowrite8(data, ICDR(pd)); - iowrite8(0x90, ICCR(pd)); + iic_wr(pd, ICDR, data); + iic_wr(pd, ICCR, 0x90); break; case OP_TX_TO_RX: /* select read mode */ - iowrite8(0x81, ICCR(pd)); + iic_wr(pd, ICCR, 0x81); break; case OP_RX: /* just read data */ - ret = ioread8(ICDR(pd)); + ret = iic_rd(pd, ICDR); break; case OP_RX_STOP: /* enable DTE interrupt, issue stop */ - iowrite8(ICIC_DTEE | ICIC_WAITE | ICIC_ALE | ICIC_TACKE, - ICIC(pd)); - iowrite8(0xc0, ICCR(pd)); + iic_wr(pd, ICIC, + ICIC_DTEE | ICIC_WAITE | ICIC_ALE | ICIC_TACKE); + iic_wr(pd, ICCR, 0xc0); break; case OP_RX_STOP_DATA: /* enable DTE interrupt, read data, issue stop */ - iowrite8(ICIC_DTEE | ICIC_WAITE | ICIC_ALE | ICIC_TACKE, - ICIC(pd)); - ret = ioread8(ICDR(pd)); - iowrite8(0xc0, ICCR(pd)); + iic_wr(pd, ICIC, + ICIC_DTEE | ICIC_WAITE | ICIC_ALE | ICIC_TACKE); + ret = iic_rd(pd, ICDR); + iic_wr(pd, ICCR, 0xc0); break; } @@ -367,7 +408,7 @@ static irqreturn_t sh_mobile_i2c_isr(int irq, void *dev_id) unsigned char sr; int wakeup; - sr = ioread8(ICSR(pd)); + sr = iic_rd(pd, ICSR); pd->sr |= sr; /* remember state */ dev_dbg(pd->dev, "i2c_isr 0x%02x 0x%02x %s %d %d!\n", sr, pd->sr, @@ -376,7 +417,7 @@ static irqreturn_t sh_mobile_i2c_isr(int irq, void *dev_id) if (sr & (ICSR_AL | ICSR_TACK)) { /* don't interrupt transaction - continue to issue stop */ - iowrite8(sr & ~(ICSR_AL | ICSR_TACK), ICSR(pd)); + iic_wr(pd, ICSR, sr & ~(ICSR_AL | ICSR_TACK)); wakeup = 0; } else if (pd->msg->flags & I2C_M_RD) wakeup = sh_mobile_i2c_isr_rx(pd); @@ -384,7 +425,7 @@ static irqreturn_t sh_mobile_i2c_isr(int irq, void *dev_id) wakeup = sh_mobile_i2c_isr_tx(pd); if (sr & ICSR_WAIT) /* TODO: add delay here to support slow acks */ - iowrite8(sr & ~ICSR_WAIT, ICSR(pd)); + iic_wr(pd, ICSR, sr & ~ICSR_WAIT); if (wakeup) { pd->sr |= SW_DONE; @@ -402,21 +443,21 @@ static int start_ch(struct sh_mobile_i2c_data *pd, struct i2c_msg *usr_msg) } /* Initialize channel registers */ - iowrite8(ioread8(ICCR(pd)) & ~ICCR_ICE, ICCR(pd)); + iic_set_clr(pd, ICCR, 0, ICCR_ICE); /* Enable channel and configure rx ack */ - iowrite8(ioread8(ICCR(pd)) | ICCR_ICE, ICCR(pd)); + iic_set_clr(pd, ICCR, ICCR_ICE, 0); /* Set the clock */ - iowrite8(pd->iccl, ICCL(pd)); - iowrite8(pd->icch, ICCH(pd)); + iic_wr(pd, ICCL, pd->iccl); + iic_wr(pd, ICCH, pd->icch); pd->msg = usr_msg; pd->pos = -1; pd->sr = 0; /* Enable all interrupts to begin with */ - iowrite8(ICIC_WAITE | ICIC_ALE | ICIC_TACKE | ICIC_DTEE, ICIC(pd)); + iic_wr(pd, ICIC, ICIC_DTEE | ICIC_WAITE | ICIC_ALE | ICIC_TACKE); return 0; } @@ -451,7 +492,7 @@ static int sh_mobile_i2c_xfer(struct i2c_adapter *adapter, retry_count = 1000; again: - val = ioread8(ICSR(pd)); + val = iic_rd(pd, ICSR); dev_dbg(pd->dev, "val 0x%02x pd->sr 0x%02x\n", val, pd->sr); @@ -576,6 +617,12 @@ static int sh_mobile_i2c_probe(struct platform_device *dev) goto err_irq; } + /* The IIC blocks on SH-Mobile ARM processors + * come with two new bits in ICIC. + */ + if (size > 0x17) + pd->flags |= IIC_FLAG_HAS_ICIC67; + /* Enable Runtime PM for this device. * * Also tell the Runtime PM core to ignore children diff --git a/drivers/idle/Kconfig b/drivers/idle/Kconfig index f15e90a453d1..fb5c5186d4aa 100644 --- a/drivers/idle/Kconfig +++ b/drivers/idle/Kconfig @@ -1,3 +1,14 @@ +config INTEL_IDLE + tristate "Cpuidle Driver for Intel Processors" + depends on CPU_IDLE + depends on X86 + depends on CPU_SUP_INTEL + depends on EXPERIMENTAL + help + Enable intel_idle, a cpuidle driver that includes knowledge of + native Intel hardware idle features. The acpi_idle driver + can be configured at the same time, in order to handle + processors intel_idle does not support. menu "Memory power savings" depends on X86_64 diff --git a/drivers/idle/Makefile b/drivers/idle/Makefile index 5f68fc377e21..23d295cf10f2 100644 --- a/drivers/idle/Makefile +++ b/drivers/idle/Makefile @@ -1,2 +1,3 @@ obj-$(CONFIG_I7300_IDLE) += i7300_idle.o +obj-$(CONFIG_INTEL_IDLE) += intel_idle.o diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c new file mode 100755 index 000000000000..54f0fb4cd5d2 --- /dev/null +++ b/drivers/idle/intel_idle.c @@ -0,0 +1,461 @@ +/* + * intel_idle.c - native hardware idle loop for modern Intel processors + * + * Copyright (c) 2010, Intel Corporation. + * Len Brown <len.brown@intel.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + */ + +/* + * intel_idle is a cpuidle driver that loads on specific Intel processors + * in lieu of the legacy ACPI processor_idle driver. The intent is to + * make Linux more efficient on these processors, as intel_idle knows + * more than ACPI, as well as make Linux more immune to ACPI BIOS bugs. + */ + +/* + * Design Assumptions + * + * All CPUs have same idle states as boot CPU + * + * Chipset BM_STS (bus master status) bit is a NOP + * for preventing entry into deep C-stats + */ + +/* + * Known limitations + * + * The driver currently initializes for_each_online_cpu() upon modprobe. + * It it unaware of subsequent processors hot-added to the system. + * This means that if you boot with maxcpus=n and later online + * processors above n, those processors will use C1 only. + * + * ACPI has a .suspend hack to turn off deep c-statees during suspend + * to avoid complications with the lapic timer workaround. + * Have not seen issues with suspend, but may need same workaround here. + * + * There is currently no kernel-based automatic probing/loading mechanism + * if the driver is built as a module. + */ + +/* un-comment DEBUG to enable pr_debug() statements */ +#define DEBUG + +#include <linux/kernel.h> +#include <linux/cpuidle.h> +#include <linux/clockchips.h> +#include <linux/hrtimer.h> /* ktime_get_real() */ +#include <trace/events/power.h> +#include <linux/sched.h> + +#define INTEL_IDLE_VERSION "0.4" +#define PREFIX "intel_idle: " + +#define MWAIT_SUBSTATE_MASK (0xf) +#define MWAIT_CSTATE_MASK (0xf) +#define MWAIT_SUBSTATE_SIZE (4) +#define MWAIT_MAX_NUM_CSTATES 8 +#define CPUID_MWAIT_LEAF (5) +#define CPUID5_ECX_EXTENSIONS_SUPPORTED (0x1) +#define CPUID5_ECX_INTERRUPT_BREAK (0x2) + +static struct cpuidle_driver intel_idle_driver = { + .name = "intel_idle", + .owner = THIS_MODULE, +}; +/* intel_idle.max_cstate=0 disables driver */ +static int max_cstate = MWAIT_MAX_NUM_CSTATES - 1; +static int power_policy = 7; /* 0 = max perf; 15 = max powersave */ + +static unsigned int substates; +static int (*choose_substate)(int); + +/* Reliable LAPIC Timer States, bit 1 for C1 etc. */ +static unsigned int lapic_timer_reliable_states; + +static struct cpuidle_device *intel_idle_cpuidle_devices; +static int intel_idle(struct cpuidle_device *dev, struct cpuidle_state *state); + +static struct cpuidle_state *cpuidle_state_table; + +/* + * States are indexed by the cstate number, + * which is also the index into the MWAIT hint array. + * Thus C0 is a dummy. + */ +static struct cpuidle_state nehalem_cstates[MWAIT_MAX_NUM_CSTATES] = { + { /* MWAIT C0 */ }, + { /* MWAIT C1 */ + .name = "NHM-C1", + .desc = "MWAIT 0x00", + .driver_data = (void *) 0x00, + .flags = CPUIDLE_FLAG_TIME_VALID, + .exit_latency = 3, + .power_usage = 1000, + .target_residency = 6, + .enter = &intel_idle }, + { /* MWAIT C2 */ + .name = "NHM-C3", + .desc = "MWAIT 0x10", + .driver_data = (void *) 0x10, + .flags = CPUIDLE_FLAG_TIME_VALID, + .exit_latency = 20, + .power_usage = 500, + .target_residency = 80, + .enter = &intel_idle }, + { /* MWAIT C3 */ + .name = "NHM-C6", + .desc = "MWAIT 0x20", + .driver_data = (void *) 0x20, + .flags = CPUIDLE_FLAG_TIME_VALID, + .exit_latency = 200, + .power_usage = 350, + .target_residency = 800, + .enter = &intel_idle }, +}; + +static struct cpuidle_state atom_cstates[MWAIT_MAX_NUM_CSTATES] = { + { /* MWAIT C0 */ }, + { /* MWAIT C1 */ + .name = "ATM-C1", + .desc = "MWAIT 0x00", + .driver_data = (void *) 0x00, + .flags = CPUIDLE_FLAG_TIME_VALID, + .exit_latency = 1, + .power_usage = 1000, + .target_residency = 4, + .enter = &intel_idle }, + { /* MWAIT C2 */ + .name = "ATM-C2", + .desc = "MWAIT 0x10", + .driver_data = (void *) 0x10, + .flags = CPUIDLE_FLAG_TIME_VALID, + .exit_latency = 20, + .power_usage = 500, + .target_residency = 80, + .enter = &intel_idle }, + { /* MWAIT C3 */ }, + { /* MWAIT C4 */ + .name = "ATM-C4", + .desc = "MWAIT 0x30", + .driver_data = (void *) 0x30, + .flags = CPUIDLE_FLAG_TIME_VALID, + .exit_latency = 100, + .power_usage = 250, + .target_residency = 400, + .enter = &intel_idle }, + { /* MWAIT C5 */ }, + { /* MWAIT C6 */ + .name = "ATM-C6", + .desc = "MWAIT 0x40", + .driver_data = (void *) 0x40, + .flags = CPUIDLE_FLAG_TIME_VALID, + .exit_latency = 200, + .power_usage = 150, + .target_residency = 800, + .enter = NULL }, /* disabled */ +}; + +/* + * choose_tunable_substate() + * + * Run-time decision on which C-state substate to invoke + * If power_policy = 0, choose shallowest substate (0) + * If power_policy = 15, choose deepest substate + * If power_policy = middle, choose middle substate etc. + */ +static int choose_tunable_substate(int cstate) +{ + unsigned int num_substates; + unsigned int substate_choice; + + power_policy &= 0xF; /* valid range: 0-15 */ + cstate &= 7; /* valid range: 0-7 */ + + num_substates = (substates >> ((cstate) * 4)) & MWAIT_SUBSTATE_MASK; + + if (num_substates <= 1) + return 0; + + substate_choice = ((power_policy + (power_policy + 1) * + (num_substates - 1)) / 16); + + return substate_choice; +} + +/* + * choose_zero_substate() + */ +static int choose_zero_substate(int cstate) +{ + return 0; +} + +/** + * intel_idle + * @dev: cpuidle_device + * @state: cpuidle state + * + */ +static int intel_idle(struct cpuidle_device *dev, struct cpuidle_state *state) +{ + unsigned long ecx = 1; /* break on interrupt flag */ + unsigned long eax = (unsigned long)cpuidle_get_statedata(state); + unsigned int cstate; + ktime_t kt_before, kt_after; + s64 usec_delta; + int cpu = smp_processor_id(); + + cstate = (((eax) >> MWAIT_SUBSTATE_SIZE) & MWAIT_CSTATE_MASK) + 1; + + eax = eax + (choose_substate)(cstate); + + local_irq_disable(); + + if (!(lapic_timer_reliable_states & (1 << (cstate)))) + clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &cpu); + + kt_before = ktime_get_real(); + + stop_critical_timings(); +#ifndef MODULE + trace_power_start(POWER_CSTATE, (eax >> 4) + 1); +#endif + if (!need_resched()) { + + __monitor((void *)¤t_thread_info()->flags, 0, 0); + smp_mb(); + if (!need_resched()) + __mwait(eax, ecx); + } + + start_critical_timings(); + + kt_after = ktime_get_real(); + usec_delta = ktime_to_us(ktime_sub(kt_after, kt_before)); + + local_irq_enable(); + + if (!(lapic_timer_reliable_states & (1 << (cstate)))) + clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &cpu); + + return usec_delta; +} + +/* + * intel_idle_probe() + */ +static int intel_idle_probe(void) +{ + unsigned int eax, ebx, ecx, edx; + + if (max_cstate == 0) { + pr_debug(PREFIX "disabled\n"); + return -EPERM; + } + + if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL) + return -ENODEV; + + if (!boot_cpu_has(X86_FEATURE_MWAIT)) + return -ENODEV; + + if (boot_cpu_data.cpuid_level < CPUID_MWAIT_LEAF) + return -ENODEV; + + cpuid(CPUID_MWAIT_LEAF, &eax, &ebx, &ecx, &edx); + + if (!(ecx & CPUID5_ECX_EXTENSIONS_SUPPORTED) || + !(ecx & CPUID5_ECX_INTERRUPT_BREAK)) + return -ENODEV; +#ifdef DEBUG + if (substates == 0) /* can over-ride via modparam */ +#endif + substates = edx; + + pr_debug(PREFIX "MWAIT substates: 0x%x\n", substates); + + if (boot_cpu_has(X86_FEATURE_ARAT)) /* Always Reliable APIC Timer */ + lapic_timer_reliable_states = 0xFFFFFFFF; + + if (boot_cpu_data.x86 != 6) /* family 6 */ + return -ENODEV; + + switch (boot_cpu_data.x86_model) { + + case 0x1A: /* Core i7, Xeon 5500 series */ + case 0x1E: /* Core i7 and i5 Processor - Lynnfield Jasper Forest */ + case 0x1F: /* Core i7 and i5 Processor - Nehalem */ + case 0x2E: /* Nehalem-EX Xeon */ + lapic_timer_reliable_states = (1 << 1); /* C1 */ + + case 0x25: /* Westmere */ + case 0x2C: /* Westmere */ + cpuidle_state_table = nehalem_cstates; + choose_substate = choose_tunable_substate; + break; + + case 0x1C: /* 28 - Atom Processor */ + lapic_timer_reliable_states = (1 << 2) | (1 << 1); /* C2, C1 */ + cpuidle_state_table = atom_cstates; + choose_substate = choose_zero_substate; + break; +#ifdef FUTURE_USE + case 0x17: /* 23 - Core 2 Duo */ + lapic_timer_reliable_states = (1 << 2) | (1 << 1); /* C2, C1 */ +#endif + + default: + pr_debug(PREFIX "does not run on family %d model %d\n", + boot_cpu_data.x86, boot_cpu_data.x86_model); + return -ENODEV; + } + + pr_debug(PREFIX "v" INTEL_IDLE_VERSION + " model 0x%X\n", boot_cpu_data.x86_model); + + pr_debug(PREFIX "lapic_timer_reliable_states 0x%x\n", + lapic_timer_reliable_states); + return 0; +} + +/* + * intel_idle_cpuidle_devices_uninit() + * unregister, free cpuidle_devices + */ +static void intel_idle_cpuidle_devices_uninit(void) +{ + int i; + struct cpuidle_device *dev; + + for_each_online_cpu(i) { + dev = per_cpu_ptr(intel_idle_cpuidle_devices, i); + cpuidle_unregister_device(dev); + } + + free_percpu(intel_idle_cpuidle_devices); + return; +} +/* + * intel_idle_cpuidle_devices_init() + * allocate, initialize, register cpuidle_devices + */ +static int intel_idle_cpuidle_devices_init(void) +{ + int i, cstate; + struct cpuidle_device *dev; + + intel_idle_cpuidle_devices = alloc_percpu(struct cpuidle_device); + if (intel_idle_cpuidle_devices == NULL) + return -ENOMEM; + + for_each_online_cpu(i) { + dev = per_cpu_ptr(intel_idle_cpuidle_devices, i); + + dev->state_count = 1; + + for (cstate = 1; cstate < MWAIT_MAX_NUM_CSTATES; ++cstate) { + int num_substates; + + if (cstate > max_cstate) { + printk(PREFIX "max_cstate %d reached\n", + max_cstate); + break; + } + + /* does the state exist in CPUID.MWAIT? */ + num_substates = (substates >> ((cstate) * 4)) + & MWAIT_SUBSTATE_MASK; + if (num_substates == 0) + continue; + /* is the state not enabled? */ + if (cpuidle_state_table[cstate].enter == NULL) { + /* does the driver not know about the state? */ + if (*cpuidle_state_table[cstate].name == '\0') + pr_debug(PREFIX "unaware of model 0x%x" + " MWAIT %d please" + " contact lenb@kernel.org", + boot_cpu_data.x86_model, cstate); + continue; + } + + if ((cstate > 2) && + !boot_cpu_has(X86_FEATURE_NONSTOP_TSC)) + mark_tsc_unstable("TSC halts in idle" + " states deeper than C2"); + + dev->states[dev->state_count] = /* structure copy */ + cpuidle_state_table[cstate]; + + dev->state_count += 1; + } + + dev->cpu = i; + if (cpuidle_register_device(dev)) { + pr_debug(PREFIX "cpuidle_register_device %d failed!\n", + i); + intel_idle_cpuidle_devices_uninit(); + return -EIO; + } + } + + return 0; +} + + +static int __init intel_idle_init(void) +{ + int retval; + + retval = intel_idle_probe(); + if (retval) + return retval; + + retval = cpuidle_register_driver(&intel_idle_driver); + if (retval) { + printk(KERN_DEBUG PREFIX "intel_idle yielding to %s", + cpuidle_get_driver()->name); + return retval; + } + + retval = intel_idle_cpuidle_devices_init(); + if (retval) { + cpuidle_unregister_driver(&intel_idle_driver); + return retval; + } + + return 0; +} + +static void __exit intel_idle_exit(void) +{ + intel_idle_cpuidle_devices_uninit(); + cpuidle_unregister_driver(&intel_idle_driver); + + return; +} + +module_init(intel_idle_init); +module_exit(intel_idle_exit); + +module_param(power_policy, int, 0644); +module_param(max_cstate, int, 0444); +#ifdef DEBUG +module_param(substates, int, 0444); +#endif + +MODULE_AUTHOR("Len Brown <len.brown@intel.com>"); +MODULE_DESCRIPTION("Cpuidle driver for Intel Hardware v" INTEL_IDLE_VERSION); +MODULE_LICENSE("GPL"); diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c index 46474842cfe9..08f948df8fa9 100644 --- a/drivers/infiniband/core/ucm.c +++ b/drivers/infiniband/core/ucm.c @@ -706,14 +706,9 @@ static int ib_ucm_alloc_data(const void **dest, u64 src, u32 len) if (!len) return 0; - data = kmalloc(len, GFP_KERNEL); - if (!data) - return -ENOMEM; - - if (copy_from_user(data, (void __user *)(unsigned long)src, len)) { - kfree(data); - return -EFAULT; - } + data = memdup_user((void __user *)(unsigned long)src, len); + if (IS_ERR(data)) + return PTR_ERR(data); *dest = data; return 0; diff --git a/drivers/infiniband/hw/qib/qib_fs.c b/drivers/infiniband/hw/qib/qib_fs.c index 755470440ef1..844954bf417b 100644 --- a/drivers/infiniband/hw/qib/qib_fs.c +++ b/drivers/infiniband/hw/qib/qib_fs.c @@ -144,10 +144,11 @@ static ssize_t dev_counters_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { u64 *counters; + size_t avail; struct qib_devdata *dd = private2dd(file); - return simple_read_from_buffer(buf, count, ppos, counters, - dd->f_read_cntrs(dd, *ppos, NULL, &counters)); + avail = dd->f_read_cntrs(dd, *ppos, NULL, &counters); + return simple_read_from_buffer(buf, count, ppos, counters, avail); } /* read the per-device counters */ @@ -155,10 +156,11 @@ static ssize_t dev_names_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { char *names; + size_t avail; struct qib_devdata *dd = private2dd(file); - return simple_read_from_buffer(buf, count, ppos, names, - dd->f_read_cntrs(dd, *ppos, &names, NULL)); + avail = dd->f_read_cntrs(dd, *ppos, &names, NULL); + return simple_read_from_buffer(buf, count, ppos, names, avail); } static const struct file_operations cntr_ops[] = { @@ -176,10 +178,11 @@ static ssize_t portnames_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { char *names; + size_t avail; struct qib_devdata *dd = private2dd(file); - return simple_read_from_buffer(buf, count, ppos, names, - dd->f_read_portcntrs(dd, *ppos, 0, &names, NULL)); + avail = dd->f_read_portcntrs(dd, *ppos, 0, &names, NULL); + return simple_read_from_buffer(buf, count, ppos, names, avail); } /* read the per-port counters for port 1 (pidx 0) */ @@ -187,10 +190,11 @@ static ssize_t portcntrs_1_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { u64 *counters; + size_t avail; struct qib_devdata *dd = private2dd(file); - return simple_read_from_buffer(buf, count, ppos, counters, - dd->f_read_portcntrs(dd, *ppos, 0, NULL, &counters)); + avail = dd->f_read_portcntrs(dd, *ppos, 0, NULL, &counters); + return simple_read_from_buffer(buf, count, ppos, counters, avail); } /* read the per-port counters for port 2 (pidx 1) */ @@ -198,10 +202,11 @@ static ssize_t portcntrs_2_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { u64 *counters; + size_t avail; struct qib_devdata *dd = private2dd(file); - return simple_read_from_buffer(buf, count, ppos, counters, - dd->f_read_portcntrs(dd, *ppos, 1, NULL, &counters)); + avail = dd->f_read_portcntrs(dd, *ppos, 1, NULL, &counters); + return simple_read_from_buffer(buf, count, ppos, counters, avail); } static const struct file_operations portcntr_ops[] = { @@ -537,10 +542,8 @@ static int qibfs_fill_super(struct super_block *sb, void *data, int silent) list_for_each_entry_safe(dd, tmp, &qib_dev_list, list) { spin_unlock_irqrestore(&qib_devs_lock, flags); ret = add_cntr_files(sb, dd); - if (ret) { - deactivate_super(sb); + if (ret) goto bail; - } spin_lock_irqsave(&qib_devs_lock, flags); } diff --git a/drivers/infiniband/hw/qib/qib_iba6120.c b/drivers/infiniband/hw/qib/qib_iba6120.c index 7b6549fd429b..1eadadc13da8 100644 --- a/drivers/infiniband/hw/qib/qib_iba6120.c +++ b/drivers/infiniband/hw/qib/qib_iba6120.c @@ -3475,14 +3475,6 @@ struct qib_devdata *qib_init_iba6120_funcs(struct pci_dev *pdev, struct qib_devdata *dd; int ret; -#ifndef CONFIG_PCI_MSI - qib_early_err(&pdev->dev, "QLogic PCIE device 0x%x cannot " - "work if CONFIG_PCI_MSI is not enabled\n", - ent->device); - dd = ERR_PTR(-ENODEV); - goto bail; -#endif - dd = qib_alloc_devdata(pdev, sizeof(struct qib_pportdata) + sizeof(struct qib_chip_specific)); if (IS_ERR(dd)) @@ -3554,10 +3546,6 @@ struct qib_devdata *qib_init_iba6120_funcs(struct pci_dev *pdev, if (qib_mini_init) goto bail; -#ifndef CONFIG_PCI_MSI - qib_dev_err(dd, "PCI_MSI not configured, NO interrupts\n"); -#endif - if (qib_pcie_params(dd, 8, NULL, NULL)) qib_dev_err(dd, "Failed to setup PCIe or interrupts; " "continuing anyway\n"); diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c index 2c24eab35b54..503992d9c5ce 100644 --- a/drivers/infiniband/hw/qib/qib_iba7322.c +++ b/drivers/infiniband/hw/qib/qib_iba7322.c @@ -42,9 +42,6 @@ #include <linux/jiffies.h> #include <rdma/ib_verbs.h> #include <rdma/ib_smi.h> -#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) -#include <linux/dca.h> -#endif #include "qib.h" #include "qib_7322_regs.h" @@ -114,40 +111,18 @@ static ushort qib_singleport; module_param_named(singleport, qib_singleport, ushort, S_IRUGO); MODULE_PARM_DESC(singleport, "Use only IB port 1; more per-port buffer space"); - -/* - * Setup QMH7342 receive and transmit parameters, necessary because - * each bay, Mez connector, and IB port need different tuning, beyond - * what the switch and HCA can do automatically. - * It's expected to be done by cat'ing files to the modules file, - * rather than setting up as a module parameter. - * It's a "write-only" file, returns 0 when read back. - * The unit, port, bay (if given), and values MUST be done as a single write. - * The unit, port, and bay must precede the values to be effective. - */ -static int setup_qmh_params(const char *, struct kernel_param *); -static unsigned dummy_qmh_params; -module_param_call(qmh_serdes_setup, setup_qmh_params, param_get_uint, - &dummy_qmh_params, S_IWUSR | S_IRUGO); - -/* similarly for QME7342, but it's simpler */ -static int setup_qme_params(const char *, struct kernel_param *); -static unsigned dummy_qme_params; -module_param_call(qme_serdes_setup, setup_qme_params, param_get_uint, - &dummy_qme_params, S_IWUSR | S_IRUGO); - #define MAX_ATTEN_LEN 64 /* plenty for any real system */ /* for read back, default index is ~5m copper cable */ -static char cable_atten_list[MAX_ATTEN_LEN] = "10"; -static struct kparam_string kp_cable_atten = { - .string = cable_atten_list, +static char txselect_list[MAX_ATTEN_LEN] = "10"; +static struct kparam_string kp_txselect = { + .string = txselect_list, .maxlen = MAX_ATTEN_LEN }; -static int setup_cable_atten(const char *, struct kernel_param *); -module_param_call(cable_atten, setup_cable_atten, param_get_string, - &kp_cable_atten, S_IWUSR | S_IRUGO); -MODULE_PARM_DESC(cable_atten, \ - "cable attenuation indices for cables with invalid EEPROM"); +static int setup_txselect(const char *, struct kernel_param *); +module_param_call(txselect, setup_txselect, param_get_string, + &kp_txselect, S_IWUSR | S_IRUGO); +MODULE_PARM_DESC(txselect, \ + "Tx serdes indices (for no QSFP or invalid QSFP data)"); #define BOARD_QME7342 5 #define BOARD_QMH7342 6 @@ -540,12 +515,6 @@ struct qib_chip_specific { u32 lastbuf_for_pio; u32 stay_in_freeze; u32 recovery_ports_initted; -#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) - u32 dca_ctrl; - int rhdr_cpu[18]; - int sdma_cpu[2]; - u64 dca_rcvhdr_ctrl[5]; /* B, C, D, E, F */ -#endif struct msix_entry *msix_entries; void **msix_arg; unsigned long *sendchkenable; @@ -574,11 +543,12 @@ struct vendor_txdds_ent { static void write_tx_serdes_param(struct qib_pportdata *, struct txdds_ent *); #define TXDDS_TABLE_SZ 16 /* number of entries per speed in onchip table */ +#define TXDDS_EXTRA_SZ 11 /* number of extra tx settings entries */ #define SERDES_CHANS 4 /* yes, it's obvious, but one less magic number */ #define H1_FORCE_VAL 8 -#define H1_FORCE_QME 1 /* may be overridden via setup_qme_params() */ -#define H1_FORCE_QMH 7 /* may be overridden via setup_qmh_params() */ +#define H1_FORCE_QME 1 /* may be overridden via setup_txselect() */ +#define H1_FORCE_QMH 7 /* may be overridden via setup_txselect() */ /* The static and dynamic registers are paired, and the pairs indexed by spd */ #define krp_static_adapt_dis(spd) (KREG_IBPORT_IDX(ADAPT_DISABLE_STATIC_SDR) \ @@ -590,15 +560,6 @@ static void write_tx_serdes_param(struct qib_pportdata *, struct txdds_ent *); #define QDR_STATIC_ADAPT_INIT 0xffffffffffULL /* up, disable H0,H1-8, LE */ #define QDR_STATIC_ADAPT_INIT_R1 0xf0ffffffffULL /* r1 up, disable H0,H1-8 */ -static const struct txdds_ent qmh_sdr_txdds = { 11, 0, 5, 6 }; -static const struct txdds_ent qmh_ddr_txdds = { 7, 0, 2, 8 }; -static const struct txdds_ent qmh_qdr_txdds = { 0, 1, 3, 10 }; - -/* this is used for unknown mez cards also */ -static const struct txdds_ent qme_sdr_txdds = { 11, 0, 4, 4 }; -static const struct txdds_ent qme_ddr_txdds = { 7, 0, 2, 7 }; -static const struct txdds_ent qme_qdr_txdds = { 0, 1, 12, 11 }; - struct qib_chippport_specific { u64 __iomem *kpregbase; u64 __iomem *cpregbase; @@ -637,12 +598,8 @@ struct qib_chippport_specific { * Per-bay per-channel rcv QMH H1 values and Tx values for QDR. * entry zero is unused, to simplify indexing */ - u16 h1_val; - u8 amp[SERDES_CHANS]; - u8 pre[SERDES_CHANS]; - u8 mainv[SERDES_CHANS]; - u8 post[SERDES_CHANS]; - u8 no_eep; /* attenuation index to use if no qsfp info */ + u8 h1_val; + u8 no_eep; /* txselect table index to use if no qsfp info */ u8 ipg_tries; u8 ibmalfusesnap; struct qib_qsfp_data qsfp_data; @@ -676,52 +633,6 @@ static struct { SYM_LSB(IntStatus, SDmaCleanupDone_1), 2 }, }; -#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) -static const struct dca_reg_map { - int shadow_inx; - int lsb; - u64 mask; - u16 regno; -} dca_rcvhdr_reg_map[] = { - { 0, SYM_LSB(DCACtrlB, RcvHdrq0DCAOPH), - ~SYM_MASK(DCACtrlB, RcvHdrq0DCAOPH) , KREG_IDX(DCACtrlB) }, - { 0, SYM_LSB(DCACtrlB, RcvHdrq1DCAOPH), - ~SYM_MASK(DCACtrlB, RcvHdrq1DCAOPH) , KREG_IDX(DCACtrlB) }, - { 0, SYM_LSB(DCACtrlB, RcvHdrq2DCAOPH), - ~SYM_MASK(DCACtrlB, RcvHdrq2DCAOPH) , KREG_IDX(DCACtrlB) }, - { 0, SYM_LSB(DCACtrlB, RcvHdrq3DCAOPH), - ~SYM_MASK(DCACtrlB, RcvHdrq3DCAOPH) , KREG_IDX(DCACtrlB) }, - { 1, SYM_LSB(DCACtrlC, RcvHdrq4DCAOPH), - ~SYM_MASK(DCACtrlC, RcvHdrq4DCAOPH) , KREG_IDX(DCACtrlC) }, - { 1, SYM_LSB(DCACtrlC, RcvHdrq5DCAOPH), - ~SYM_MASK(DCACtrlC, RcvHdrq5DCAOPH) , KREG_IDX(DCACtrlC) }, - { 1, SYM_LSB(DCACtrlC, RcvHdrq6DCAOPH), - ~SYM_MASK(DCACtrlC, RcvHdrq6DCAOPH) , KREG_IDX(DCACtrlC) }, - { 1, SYM_LSB(DCACtrlC, RcvHdrq7DCAOPH), - ~SYM_MASK(DCACtrlC, RcvHdrq7DCAOPH) , KREG_IDX(DCACtrlC) }, - { 2, SYM_LSB(DCACtrlD, RcvHdrq8DCAOPH), - ~SYM_MASK(DCACtrlD, RcvHdrq8DCAOPH) , KREG_IDX(DCACtrlD) }, - { 2, SYM_LSB(DCACtrlD, RcvHdrq9DCAOPH), - ~SYM_MASK(DCACtrlD, RcvHdrq9DCAOPH) , KREG_IDX(DCACtrlD) }, - { 2, SYM_LSB(DCACtrlD, RcvHdrq10DCAOPH), - ~SYM_MASK(DCACtrlD, RcvHdrq10DCAOPH) , KREG_IDX(DCACtrlD) }, - { 2, SYM_LSB(DCACtrlD, RcvHdrq11DCAOPH), - ~SYM_MASK(DCACtrlD, RcvHdrq11DCAOPH) , KREG_IDX(DCACtrlD) }, - { 3, SYM_LSB(DCACtrlE, RcvHdrq12DCAOPH), - ~SYM_MASK(DCACtrlE, RcvHdrq12DCAOPH) , KREG_IDX(DCACtrlE) }, - { 3, SYM_LSB(DCACtrlE, RcvHdrq13DCAOPH), - ~SYM_MASK(DCACtrlE, RcvHdrq13DCAOPH) , KREG_IDX(DCACtrlE) }, - { 3, SYM_LSB(DCACtrlE, RcvHdrq14DCAOPH), - ~SYM_MASK(DCACtrlE, RcvHdrq14DCAOPH) , KREG_IDX(DCACtrlE) }, - { 3, SYM_LSB(DCACtrlE, RcvHdrq15DCAOPH), - ~SYM_MASK(DCACtrlE, RcvHdrq15DCAOPH) , KREG_IDX(DCACtrlE) }, - { 4, SYM_LSB(DCACtrlF, RcvHdrq16DCAOPH), - ~SYM_MASK(DCACtrlF, RcvHdrq16DCAOPH) , KREG_IDX(DCACtrlF) }, - { 4, SYM_LSB(DCACtrlF, RcvHdrq17DCAOPH), - ~SYM_MASK(DCACtrlF, RcvHdrq17DCAOPH) , KREG_IDX(DCACtrlF) }, -}; -#endif - /* ibcctrl bits */ #define QLOGIC_IB_IBCC_LINKINITCMD_DISABLE 1 /* cycle through TS1/TS2 till OK */ @@ -2572,95 +2483,6 @@ static void qib_setup_7322_setextled(struct qib_pportdata *ppd, u32 on) qib_write_kreg_port(ppd, krp_rcvpktledcnt, ledblink); } -#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) -static void qib_update_rhdrq_dca(struct qib_ctxtdata *rcd) -{ - struct qib_devdata *dd = rcd->dd; - struct qib_chip_specific *cspec = dd->cspec; - int cpu = get_cpu(); - - if (cspec->rhdr_cpu[rcd->ctxt] != cpu) { - const struct dca_reg_map *rmp; - - cspec->rhdr_cpu[rcd->ctxt] = cpu; - rmp = &dca_rcvhdr_reg_map[rcd->ctxt]; - cspec->dca_rcvhdr_ctrl[rmp->shadow_inx] &= rmp->mask; - cspec->dca_rcvhdr_ctrl[rmp->shadow_inx] |= - (u64) dca3_get_tag(&dd->pcidev->dev, cpu) << rmp->lsb; - qib_write_kreg(dd, rmp->regno, - cspec->dca_rcvhdr_ctrl[rmp->shadow_inx]); - cspec->dca_ctrl |= SYM_MASK(DCACtrlA, RcvHdrqDCAEnable); - qib_write_kreg(dd, KREG_IDX(DCACtrlA), cspec->dca_ctrl); - } - put_cpu(); -} - -static void qib_update_sdma_dca(struct qib_pportdata *ppd) -{ - struct qib_devdata *dd = ppd->dd; - struct qib_chip_specific *cspec = dd->cspec; - int cpu = get_cpu(); - unsigned pidx = ppd->port - 1; - - if (cspec->sdma_cpu[pidx] != cpu) { - cspec->sdma_cpu[pidx] = cpu; - cspec->dca_rcvhdr_ctrl[4] &= ~(ppd->hw_pidx ? - SYM_MASK(DCACtrlF, SendDma1DCAOPH) : - SYM_MASK(DCACtrlF, SendDma0DCAOPH)); - cspec->dca_rcvhdr_ctrl[4] |= - (u64) dca3_get_tag(&dd->pcidev->dev, cpu) << - (ppd->hw_pidx ? - SYM_LSB(DCACtrlF, SendDma1DCAOPH) : - SYM_LSB(DCACtrlF, SendDma0DCAOPH)); - qib_write_kreg(dd, KREG_IDX(DCACtrlF), - cspec->dca_rcvhdr_ctrl[4]); - cspec->dca_ctrl |= ppd->hw_pidx ? - SYM_MASK(DCACtrlA, SendDMAHead1DCAEnable) : - SYM_MASK(DCACtrlA, SendDMAHead0DCAEnable); - qib_write_kreg(dd, KREG_IDX(DCACtrlA), cspec->dca_ctrl); - } - put_cpu(); -} - -static void qib_setup_dca(struct qib_devdata *dd) -{ - struct qib_chip_specific *cspec = dd->cspec; - int i; - - for (i = 0; i < ARRAY_SIZE(cspec->rhdr_cpu); i++) - cspec->rhdr_cpu[i] = -1; - for (i = 0; i < ARRAY_SIZE(cspec->sdma_cpu); i++) - cspec->sdma_cpu[i] = -1; - cspec->dca_rcvhdr_ctrl[0] = - (1ULL << SYM_LSB(DCACtrlB, RcvHdrq0DCAXfrCnt)) | - (1ULL << SYM_LSB(DCACtrlB, RcvHdrq1DCAXfrCnt)) | - (1ULL << SYM_LSB(DCACtrlB, RcvHdrq2DCAXfrCnt)) | - (1ULL << SYM_LSB(DCACtrlB, RcvHdrq3DCAXfrCnt)); - cspec->dca_rcvhdr_ctrl[1] = - (1ULL << SYM_LSB(DCACtrlC, RcvHdrq4DCAXfrCnt)) | - (1ULL << SYM_LSB(DCACtrlC, RcvHdrq5DCAXfrCnt)) | - (1ULL << SYM_LSB(DCACtrlC, RcvHdrq6DCAXfrCnt)) | - (1ULL << SYM_LSB(DCACtrlC, RcvHdrq7DCAXfrCnt)); - cspec->dca_rcvhdr_ctrl[2] = - (1ULL << SYM_LSB(DCACtrlD, RcvHdrq8DCAXfrCnt)) | - (1ULL << SYM_LSB(DCACtrlD, RcvHdrq9DCAXfrCnt)) | - (1ULL << SYM_LSB(DCACtrlD, RcvHdrq10DCAXfrCnt)) | - (1ULL << SYM_LSB(DCACtrlD, RcvHdrq11DCAXfrCnt)); - cspec->dca_rcvhdr_ctrl[3] = - (1ULL << SYM_LSB(DCACtrlE, RcvHdrq12DCAXfrCnt)) | - (1ULL << SYM_LSB(DCACtrlE, RcvHdrq13DCAXfrCnt)) | - (1ULL << SYM_LSB(DCACtrlE, RcvHdrq14DCAXfrCnt)) | - (1ULL << SYM_LSB(DCACtrlE, RcvHdrq15DCAXfrCnt)); - cspec->dca_rcvhdr_ctrl[4] = - (1ULL << SYM_LSB(DCACtrlF, RcvHdrq16DCAXfrCnt)) | - (1ULL << SYM_LSB(DCACtrlF, RcvHdrq17DCAXfrCnt)); - for (i = 0; i < ARRAY_SIZE(cspec->sdma_cpu); i++) - qib_write_kreg(dd, KREG_IDX(DCACtrlB) + i, - cspec->dca_rcvhdr_ctrl[i]); -} - -#endif - /* * Disable MSIx interrupt if enabled, call generic MSIx code * to cleanup, and clear pending MSIx interrupts. @@ -2701,15 +2523,6 @@ static void qib_setup_7322_cleanup(struct qib_devdata *dd) { int i; -#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) - if (dd->flags & QIB_DCA_ENABLED) { - dca_remove_requester(&dd->pcidev->dev); - dd->flags &= ~QIB_DCA_ENABLED; - dd->cspec->dca_ctrl = 0; - qib_write_kreg(dd, KREG_IDX(DCACtrlA), dd->cspec->dca_ctrl); - } -#endif - qib_7322_free_irq(dd); kfree(dd->cspec->cntrs); kfree(dd->cspec->sendchkenable); @@ -3017,11 +2830,6 @@ static irqreturn_t qib_7322pintr(int irq, void *data) if (dd->int_counter != (u32) -1) dd->int_counter++; -#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) - if (dd->flags & QIB_DCA_ENABLED) - qib_update_rhdrq_dca(rcd); -#endif - /* Clear the interrupt bit we expect to be set. */ qib_write_kreg(dd, kr_intclear, ((1ULL << QIB_I_RCVAVAIL_LSB) | (1ULL << QIB_I_RCVURG_LSB)) << rcd->ctxt); @@ -3085,11 +2893,6 @@ static irqreturn_t sdma_intr(int irq, void *data) if (dd->int_counter != (u32) -1) dd->int_counter++; -#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) - if (dd->flags & QIB_DCA_ENABLED) - qib_update_sdma_dca(ppd); -#endif - /* Clear the interrupt bit we expect to be set. */ qib_write_kreg(dd, kr_intclear, ppd->hw_pidx ? INT_MASK_P(SDma, 1) : INT_MASK_P(SDma, 0)); @@ -3119,11 +2922,6 @@ static irqreturn_t sdma_idle_intr(int irq, void *data) if (dd->int_counter != (u32) -1) dd->int_counter++; -#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) - if (dd->flags & QIB_DCA_ENABLED) - qib_update_sdma_dca(ppd); -#endif - /* Clear the interrupt bit we expect to be set. */ qib_write_kreg(dd, kr_intclear, ppd->hw_pidx ? INT_MASK_P(SDmaIdle, 1) : INT_MASK_P(SDmaIdle, 0)); @@ -3153,11 +2951,6 @@ static irqreturn_t sdma_progress_intr(int irq, void *data) if (dd->int_counter != (u32) -1) dd->int_counter++; -#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) - if (dd->flags & QIB_DCA_ENABLED) - qib_update_sdma_dca(ppd); -#endif - /* Clear the interrupt bit we expect to be set. */ qib_write_kreg(dd, kr_intclear, ppd->hw_pidx ? INT_MASK_P(SDmaProgress, 1) : @@ -3188,11 +2981,6 @@ static irqreturn_t sdma_cleanup_intr(int irq, void *data) if (dd->int_counter != (u32) -1) dd->int_counter++; -#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) - if (dd->flags & QIB_DCA_ENABLED) - qib_update_sdma_dca(ppd); -#endif - /* Clear the interrupt bit we expect to be set. */ qib_write_kreg(dd, kr_intclear, ppd->hw_pidx ? INT_MASK_PM(SDmaCleanupDone, 1) : @@ -4299,10 +4087,6 @@ static void rcvctrl_7322_mod(struct qib_pportdata *ppd, unsigned int op, qib_write_kreg_ctxt(dd, krc_rcvhdraddr, ctxt, rcd->rcvhdrq_phys); rcd->seq_cnt = 1; -#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) - if (dd->flags & QIB_DCA_ENABLED) - qib_update_rhdrq_dca(rcd); -#endif } if (op & QIB_RCVCTRL_CTXT_DIS) ppd->p_rcvctrl &= @@ -5360,7 +5144,13 @@ static int qib_7322_ib_updown(struct qib_pportdata *ppd, int ibup, u64 ibcs) QIBL_IB_AUTONEG_INPROG))) set_7322_ibspeed_fast(ppd, ppd->link_speed_enabled); if (!(ppd->lflags & QIBL_IB_AUTONEG_INPROG)) { + /* unlock the Tx settings, speed may change */ + qib_write_kreg_port(ppd, krp_tx_deemph_override, + SYM_MASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0, + reset_tx_deemphasis_override)); qib_cancel_sends(ppd); + /* on link down, ensure sane pcs state */ + qib_7322_mini_pcs_reset(ppd); spin_lock_irqsave(&ppd->sdma_lock, flags); if (__qib_sdma_running(ppd)) __qib_sdma_process_event(ppd, @@ -5766,26 +5556,28 @@ static void qib_init_7322_qsfp(struct qib_pportdata *ppd) } /* - * called at device initialization time, and also if the cable_atten + * called at device initialization time, and also if the txselect * module parameter is changed. This is used for cables that don't * have valid QSFP EEPROMs (not present, or attenuation is zero). * We initialize to the default, then if there is a specific - * unit,port match, we use that. + * unit,port match, we use that (and set it immediately, for the + * current speed, if the link is at INIT or better). * String format is "default# unit#,port#=# ... u,p=#", separators must - * be a SPACE character. A newline terminates. + * be a SPACE character. A newline terminates. The u,p=# tuples may + * optionally have "u,p=#,#", where the final # is the H1 value * The last specific match is used (actually, all are used, but last * one is the one that winds up set); if none at all, fall back on default. */ static void set_no_qsfp_atten(struct qib_devdata *dd, int change) { char *nxt, *str; - int pidx, unit, port, deflt; + u32 pidx, unit, port, deflt, h1; unsigned long val; - int any = 0; + int any = 0, seth1; - str = cable_atten_list; + str = txselect_list; - /* default number is validated in setup_cable_atten() */ + /* default number is validated in setup_txselect() */ deflt = simple_strtoul(str, &nxt, 0); for (pidx = 0; pidx < dd->num_pports; ++pidx) dd->pport[pidx].cpspec->no_eep = deflt; @@ -5812,16 +5604,28 @@ static void set_no_qsfp_atten(struct qib_devdata *dd, int change) ; continue; } - if (val >= TXDDS_TABLE_SZ) + if (val >= TXDDS_TABLE_SZ + TXDDS_EXTRA_SZ) continue; + seth1 = 0; + h1 = 0; /* gcc thinks it might be used uninitted */ + if (*nxt == ',' && nxt[1]) { + str = ++nxt; + h1 = (u32)simple_strtoul(str, &nxt, 0); + if (nxt == str) + while (*nxt && *nxt++ != ' ') /* skip */ + ; + else + seth1 = 1; + } for (pidx = 0; dd->unit == unit && pidx < dd->num_pports; ++pidx) { - if (dd->pport[pidx].port != port || - !dd->pport[pidx].link_speed_supported) + struct qib_pportdata *ppd = &dd->pport[pidx]; + + if (ppd->port != port || !ppd->link_speed_supported) continue; - dd->pport[pidx].cpspec->no_eep = val; + ppd->cpspec->no_eep = val; /* now change the IBC and serdes, overriding generic */ - init_txdds_table(&dd->pport[pidx], 1); + init_txdds_table(ppd, 1); any++; } if (*nxt == '\n') @@ -5832,35 +5636,35 @@ static void set_no_qsfp_atten(struct qib_devdata *dd, int change) * Change the IBC and serdes, but since it's * general, don't override specific settings. */ - for (pidx = 0; pidx < dd->num_pports; ++pidx) { - if (!dd->pport[pidx].link_speed_supported) - continue; - init_txdds_table(&dd->pport[pidx], 0); - } + for (pidx = 0; pidx < dd->num_pports; ++pidx) + if (dd->pport[pidx].link_speed_supported) + init_txdds_table(&dd->pport[pidx], 0); } } -/* handle the cable_atten parameter changing */ -static int setup_cable_atten(const char *str, struct kernel_param *kp) +/* handle the txselect parameter changing */ +static int setup_txselect(const char *str, struct kernel_param *kp) { struct qib_devdata *dd; unsigned long val; char *n; if (strlen(str) >= MAX_ATTEN_LEN) { - printk(KERN_INFO QIB_DRV_NAME " cable_atten_values string " + printk(KERN_INFO QIB_DRV_NAME " txselect_values string " "too long\n"); return -ENOSPC; } val = simple_strtoul(str, &n, 0); - if (n == str || val >= TXDDS_TABLE_SZ) { + if (n == str || val >= (TXDDS_TABLE_SZ + TXDDS_EXTRA_SZ)) { printk(KERN_INFO QIB_DRV_NAME - "cable_atten_values must start with a number\n"); + "txselect_values must start with a number < %d\n", + TXDDS_TABLE_SZ + TXDDS_EXTRA_SZ); return -EINVAL; } - strcpy(cable_atten_list, str); + strcpy(txselect_list, str); list_for_each_entry(dd, &qib_dev_list, list) - set_no_qsfp_atten(dd, 1); + if (dd->deviceid == PCI_DEVICE_ID_QLOGIC_IB_7322) + set_no_qsfp_atten(dd, 1); return 0; } @@ -6261,28 +6065,17 @@ static int qib_init_7322_variables(struct qib_devdata *dd) * in adapter-specific routines. */ if (!(ppd->dd->flags & QIB_HAS_QSFP)) { - int i; - const struct txdds_ent *txdds; - if (!IS_QMH(ppd->dd) && !IS_QME(ppd->dd)) qib_devinfo(ppd->dd->pcidev, "IB%u:%u: " "Unknown mezzanine card type\n", - ppd->dd->unit, ppd->port); - txdds = IS_QMH(ppd->dd) ? &qmh_qdr_txdds : - &qme_qdr_txdds; - + dd->unit, ppd->port); + cp->h1_val = IS_QMH(dd) ? H1_FORCE_QMH : H1_FORCE_QME; /* - * set values in case link comes up - * before table is written to driver. + * Choose center value as default tx serdes setting + * until changed through module parameter. */ - cp->h1_val = IS_QMH(ppd->dd) ? H1_FORCE_QMH : - H1_FORCE_QME; - for (i = 0; i < SERDES_CHANS; i++) { - cp->amp[i] = txdds->amp; - cp->pre[i] = txdds->pre; - cp->mainv[i] = txdds->main; - cp->post[i] = txdds->post; - } + ppd->cpspec->no_eep = IS_QMH(dd) ? + TXDDS_TABLE_SZ + 2 : TXDDS_TABLE_SZ + 4; } else cp->h1_val = H1_FORCE_VAL; @@ -6299,8 +6092,7 @@ static int qib_init_7322_variables(struct qib_devdata *dd) dd->rcvhdrentsize = QIB_RCVHDR_ENTSIZE; dd->rcvhdrsize = QIB_DFLT_RCVHDRSIZE; - dd->rhf_offset = - dd->rcvhdrentsize - sizeof(u64) / sizeof(u32); + dd->rhf_offset = dd->rcvhdrentsize - sizeof(u64) / sizeof(u32); /* we always allocate at least 2048 bytes for eager buffers */ dd->rcvegrbufsize = max(mtu, 2048); @@ -6919,13 +6711,6 @@ struct qib_devdata *qib_init_iba7322_funcs(struct pci_dev *pdev, /* clear diagctrl register, in case diags were running and crashed */ qib_write_kreg(dd, kr_hwdiagctrl, 0); -#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) - ret = dca_add_requester(&pdev->dev); - if (!ret) { - dd->flags |= QIB_DCA_ENABLED; - qib_setup_dca(dd); - } -#endif goto bail; bail_cleanup: @@ -7111,8 +6896,8 @@ static const struct txdds_ent txdds_ddr[TXDDS_TABLE_SZ] = { static const struct txdds_ent txdds_qdr[TXDDS_TABLE_SZ] = { /* amp, pre, main, post */ { 2, 2, 15, 6 }, /* Loopback */ - { 0, 1, 0, 7 }, /* 2 dB */ - { 0, 1, 0, 9 }, /* 3 dB */ + { 0, 1, 0, 7 }, /* 2 dB (also QMH7342) */ + { 0, 1, 0, 9 }, /* 3 dB (also QMH7342) */ { 0, 1, 0, 11 }, /* 4 dB */ { 0, 1, 0, 13 }, /* 5 dB */ { 0, 1, 0, 15 }, /* 6 dB */ @@ -7128,6 +6913,57 @@ static const struct txdds_ent txdds_qdr[TXDDS_TABLE_SZ] = { { 0, 2, 9, 15 }, /* 16 dB */ }; +/* + * extra entries for use with txselect, for indices >= TXDDS_TABLE_SZ. + * These are mostly used for mez cards going through connectors + * and backplane traces, but can be used to add other "unusual" + * table values as well. + */ +static const struct txdds_ent txdds_extra_sdr[TXDDS_EXTRA_SZ] = { + /* amp, pre, main, post */ + { 0, 0, 0, 1 }, /* QMH7342 backplane settings */ + { 0, 0, 0, 1 }, /* QMH7342 backplane settings */ + { 0, 0, 0, 2 }, /* QMH7342 backplane settings */ + { 0, 0, 0, 2 }, /* QMH7342 backplane settings */ + { 0, 0, 0, 11 }, /* QME7342 backplane settings */ + { 0, 0, 0, 11 }, /* QME7342 backplane settings */ + { 0, 0, 0, 11 }, /* QME7342 backplane settings */ + { 0, 0, 0, 11 }, /* QME7342 backplane settings */ + { 0, 0, 0, 11 }, /* QME7342 backplane settings */ + { 0, 0, 0, 11 }, /* QME7342 backplane settings */ + { 0, 0, 0, 11 }, /* QME7342 backplane settings */ +}; + +static const struct txdds_ent txdds_extra_ddr[TXDDS_EXTRA_SZ] = { + /* amp, pre, main, post */ + { 0, 0, 0, 7 }, /* QMH7342 backplane settings */ + { 0, 0, 0, 7 }, /* QMH7342 backplane settings */ + { 0, 0, 0, 8 }, /* QMH7342 backplane settings */ + { 0, 0, 0, 8 }, /* QMH7342 backplane settings */ + { 0, 0, 0, 13 }, /* QME7342 backplane settings */ + { 0, 0, 0, 13 }, /* QME7342 backplane settings */ + { 0, 0, 0, 13 }, /* QME7342 backplane settings */ + { 0, 0, 0, 13 }, /* QME7342 backplane settings */ + { 0, 0, 0, 13 }, /* QME7342 backplane settings */ + { 0, 0, 0, 13 }, /* QME7342 backplane settings */ + { 0, 0, 0, 13 }, /* QME7342 backplane settings */ +}; + +static const struct txdds_ent txdds_extra_qdr[TXDDS_EXTRA_SZ] = { + /* amp, pre, main, post */ + { 0, 1, 0, 4 }, /* QMH7342 backplane settings */ + { 0, 1, 0, 5 }, /* QMH7342 backplane settings */ + { 0, 1, 0, 6 }, /* QMH7342 backplane settings */ + { 0, 1, 0, 8 }, /* QMH7342 backplane settings */ + { 0, 1, 12, 10 }, /* QME7342 backplane setting */ + { 0, 1, 12, 11 }, /* QME7342 backplane setting */ + { 0, 1, 12, 12 }, /* QME7342 backplane setting */ + { 0, 1, 12, 14 }, /* QME7342 backplane setting */ + { 0, 1, 12, 6 }, /* QME7342 backplane setting */ + { 0, 1, 12, 7 }, /* QME7342 backplane setting */ + { 0, 1, 12, 8 }, /* QME7342 backplane setting */ +}; + static const struct txdds_ent *get_atten_table(const struct txdds_ent *txdds, unsigned atten) { @@ -7145,7 +6981,7 @@ static const struct txdds_ent *get_atten_table(const struct txdds_ent *txdds, } /* - * if override is set, the module parameter cable_atten has a value + * if override is set, the module parameter txselect has a value * for this specific port, so use it, rather than our normal mechanism. */ static void find_best_ent(struct qib_pportdata *ppd, @@ -7184,15 +7020,28 @@ static void find_best_ent(struct qib_pportdata *ppd, *ddr_dds = get_atten_table(txdds_ddr, qd->atten[0]); *qdr_dds = get_atten_table(txdds_qdr, qd->atten[1]); return; - } else { + } else if (ppd->cpspec->no_eep < TXDDS_TABLE_SZ) { /* * If we have no (or incomplete) data from the cable - * EEPROM, or no QSFP, use the module parameter value - * to index into the attentuation table. + * EEPROM, or no QSFP, or override is set, use the + * module parameter value to index into the attentuation + * table. */ - *sdr_dds = &txdds_sdr[ppd->cpspec->no_eep]; - *ddr_dds = &txdds_ddr[ppd->cpspec->no_eep]; - *qdr_dds = &txdds_qdr[ppd->cpspec->no_eep]; + idx = ppd->cpspec->no_eep; + *sdr_dds = &txdds_sdr[idx]; + *ddr_dds = &txdds_ddr[idx]; + *qdr_dds = &txdds_qdr[idx]; + } else if (ppd->cpspec->no_eep < (TXDDS_TABLE_SZ + TXDDS_EXTRA_SZ)) { + /* similar to above, but index into the "extra" table. */ + idx = ppd->cpspec->no_eep - TXDDS_TABLE_SZ; + *sdr_dds = &txdds_extra_sdr[idx]; + *ddr_dds = &txdds_extra_ddr[idx]; + *qdr_dds = &txdds_extra_qdr[idx]; + } else { + /* this shouldn't happen, it's range checked */ + *sdr_dds = txdds_sdr + qib_long_atten; + *ddr_dds = txdds_ddr + qib_long_atten; + *qdr_dds = txdds_qdr + qib_long_atten; } } @@ -7203,33 +7052,24 @@ static void init_txdds_table(struct qib_pportdata *ppd, int override) int idx; int single_ent = 0; - if (IS_QMH(ppd->dd)) { - /* normally will be overridden, via setup_qmh() */ - sdr_dds = &qmh_sdr_txdds; - ddr_dds = &qmh_ddr_txdds; - qdr_dds = &qmh_qdr_txdds; - single_ent = 1; - } else if (IS_QME(ppd->dd)) { - sdr_dds = &qme_sdr_txdds; - ddr_dds = &qme_ddr_txdds; - qdr_dds = &qme_qdr_txdds; + find_best_ent(ppd, &sdr_dds, &ddr_dds, &qdr_dds, override); + + /* for mez cards or override, use the selected value for all entries */ + if (!(ppd->dd->flags & QIB_HAS_QSFP) || override) single_ent = 1; - } else - find_best_ent(ppd, &sdr_dds, &ddr_dds, &qdr_dds, override); /* Fill in the first entry with the best entry found. */ set_txdds(ppd, 0, sdr_dds); set_txdds(ppd, TXDDS_TABLE_SZ, ddr_dds); set_txdds(ppd, 2 * TXDDS_TABLE_SZ, qdr_dds); - - /* - * for our current speed, also write that value into the - * tx serdes registers. - */ - dds = (struct txdds_ent *)(ppd->link_speed_active == QIB_IB_QDR ? - qdr_dds : (ppd->link_speed_active == - QIB_IB_DDR ? ddr_dds : sdr_dds)); - write_tx_serdes_param(ppd, dds); + if (ppd->lflags & (QIBL_LINKINIT | QIBL_LINKARMED | + QIBL_LINKACTIVE)) { + dds = (struct txdds_ent *)(ppd->link_speed_active == + QIB_IB_QDR ? qdr_dds : + (ppd->link_speed_active == + QIB_IB_DDR ? ddr_dds : sdr_dds)); + write_tx_serdes_param(ppd, dds); + } /* Fill in the remaining entries with the default table values. */ for (idx = 1; idx < ARRAY_SIZE(txdds_sdr); ++idx) { @@ -7352,6 +7192,11 @@ static int serdes_7322_init(struct qib_pportdata *ppd) */ init_txdds_table(ppd, 0); + /* ensure no tx overrides from earlier driver loads */ + qib_write_kreg_port(ppd, krp_tx_deemph_override, + SYM_MASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0, + reset_tx_deemphasis_override)); + /* Patch some SerDes defaults to "Better for IB" */ /* Timing Loop Bandwidth: cdr_timing[11:9] = 0 */ ibsd_wr_allchans(ppd, 2, 0, BMASK(11, 9)); @@ -7421,7 +7266,7 @@ static int serdes_7322_init(struct qib_pportdata *ppd) QDR_STATIC_ADAPT_DOWN_R1 : QDR_STATIC_ADAPT_DOWN); ppd->cpspec->qdr_dfe_on = 1; - /* (FLoop LOS gate: PPM filter enabled */ + /* FLoop LOS gate: PPM filter enabled */ ibsd_wr_allchans(ppd, 38, 0 << 10, 1 << 10); /* rx offset center enabled */ @@ -7486,68 +7331,39 @@ static void write_tx_serdes_param(struct qib_pportdata *ppd, SYM_MASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0, txc0_ena) | SYM_MASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0, txcp1_ena) | SYM_MASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0, txcn1_ena)); - deemph |= 1ULL << SYM_LSB(IBSD_TX_DEEMPHASIS_OVERRIDE_0, - tx_override_deemphasis_select); - deemph |= txdds->amp << SYM_LSB(IBSD_TX_DEEMPHASIS_OVERRIDE_0, - txampcntl_d2a); - deemph |= txdds->main << SYM_LSB(IBSD_TX_DEEMPHASIS_OVERRIDE_0, - txc0_ena); - deemph |= txdds->post << SYM_LSB(IBSD_TX_DEEMPHASIS_OVERRIDE_0, - txcp1_ena); - deemph |= txdds->pre << SYM_LSB(IBSD_TX_DEEMPHASIS_OVERRIDE_0, + + deemph |= SYM_MASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0, + tx_override_deemphasis_select); + deemph |= (txdds->amp & SYM_RMASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0, + txampcntl_d2a)) << SYM_LSB(IBSD_TX_DEEMPHASIS_OVERRIDE_0, + txampcntl_d2a); + deemph |= (txdds->main & SYM_RMASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0, + txc0_ena)) << SYM_LSB(IBSD_TX_DEEMPHASIS_OVERRIDE_0, + txc0_ena); + deemph |= (txdds->post & SYM_RMASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0, + txcp1_ena)) << SYM_LSB(IBSD_TX_DEEMPHASIS_OVERRIDE_0, + txcp1_ena); + deemph |= (txdds->pre & SYM_RMASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0, + txcn1_ena)) << SYM_LSB(IBSD_TX_DEEMPHASIS_OVERRIDE_0, txcn1_ena); qib_write_kreg_port(ppd, krp_tx_deemph_override, deemph); } /* - * set per-bay, per channel parameters. For now, we ignore - * do_tx, and always set tx parameters, and set them with the same value - * for all channels, using the channel 0 value. We may switch to - * per-channel settings in the future, and that method only needs - * to be done once. - * Because this also writes the IBC txdds table with a single set - * of values, it should be called only for cases where we want to completely - * force a specific setting, typically only for mez cards. + * Set the parameters for mez cards on link bounce, so they are + * always exactly what was requested. Similar logic to init_txdds + * but does just the serdes. */ static void adj_tx_serdes(struct qib_pportdata *ppd) { - struct txdds_ent txdds; - int i; - u8 *amp, *pre, *mainv, *post; - - /* - * Because we use TX_DEEMPHASIS_OVERRIDE, we need to - * always do tx side, just like H1, since it is cleared - * by link down - */ - amp = ppd->cpspec->amp; - pre = ppd->cpspec->pre; - mainv = ppd->cpspec->mainv; - post = ppd->cpspec->post; - - amp[0] &= SYM_RMASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0, - txampcntl_d2a); - mainv[0] &= SYM_RMASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0, - txc0_ena); - post[0] &= SYM_RMASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0, - txcp1_ena); - pre[0] &= SYM_RMASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0, - txcn1_ena); - - /* - * Use the channel zero values, only, for now, for - * all channels - */ - txdds.amp = amp[0]; - txdds.pre = pre[0]; - txdds.main = mainv[0]; - txdds.post = post[0]; - - /* write the QDR table for IBC use, as backup for link down */ - for (i = 0; i < ARRAY_SIZE(txdds_qdr); ++i) - set_txdds(ppd, i + 32, &txdds); + const struct txdds_ent *sdr_dds, *ddr_dds, *qdr_dds; + struct txdds_ent *dds; - write_tx_serdes_param(ppd, &txdds); + find_best_ent(ppd, &sdr_dds, &ddr_dds, &qdr_dds, 1); + dds = (struct txdds_ent *)(ppd->link_speed_active == QIB_IB_QDR ? + qdr_dds : (ppd->link_speed_active == QIB_IB_DDR ? + ddr_dds : sdr_dds)); + write_tx_serdes_param(ppd, dds); } /* set QDR forced value for H1, if needed */ @@ -7567,235 +7383,6 @@ static void force_h1(struct qib_pportdata *ppd) } } -/* - * Parse the parameters for the QMH7342, to get rx and tx serdes - * settings for that Bay, for both possible mez connectors (PCIe bus) - * and IB link (one link on mez1, two possible on mez2). - * - * Data is comma or white space separated. - * - * A set of data has 7 groups, rx and tx groups have SERDES_CHANS values, - * one per IB lane (serdes channel). - * The groups are Bay, bus# H1 rcv, and amp, pre, post, main Tx values (QDR). - * The Bay # is used only for debugging currently. - * H1 values are set whenever the link goes down, or is at cfg_test or - * cfg_wait_enh. Tx values are programmed once, when this routine is called - * (and with default values at chip initialization). Values are any base, in - * strtoul style, and values are seperated by comma, or any white space - * (space, tab, newline). - * - * An example set might look like this (white space vs - * comma used for human ease of reading) - * The ordering is a set of Bay# Bus# H1, amp, pre, post, and main for mez1 IB1, - * repeat for mez2 IB1, then mez2 IB2. - * - * B B H1:0 amp:0 pre:0 post: 0 main:0 - * a u H1: 1 amp: 1 pre: 1 post: 1 main: 1 - * y s H1: 2 amp: 2 pre: 2 post: 2 main: 2 - * H1: 4 amp: 3 pre: 3 post: 3 main: 3 - * 1 3 8,6,5,6 0,0,0,0 1,1,1,1 10,10,10,10 3,3,3,3 - * 1 6 7,6,6,7 0,0,0,0 1,1,1,1 10,10,10,10 3,3,3,3 - * 1 6 9,7,7,8 0,0,0,0 1,1,1,1 10,10,10,10 3,3,3,3 - */ -#define N_QMH_FIELDS 22 -static int setup_qmh_params(const char *str, struct kernel_param *kp) -{ - char *abuf, *v, *nv, *nvp; - struct qib_devdata *dd; - struct qib_pportdata *ppd; - u32 mez, vlen, nf, port, bay; - int ret = 0, found = 0; - - vlen = strlen(str) + 1; - abuf = kmalloc(vlen, GFP_KERNEL); - if (!abuf) { - printk(KERN_INFO QIB_DRV_NAME - " Unable to allocate QMH param buffer; ignoring\n"); - return 0; - } - memcpy(abuf, str, vlen); - v = abuf; - - /* these 3 are because gcc can't know they are set before used */ - port = 1; - mez = 1; /* used only for debugging */ - bay = 0; /* used only for debugging */ - ppd = NULL; - for (nf = 0; (nv = strsep(&v, ", \t\n\r")) && - nf < (N_QMH_FIELDS * 3);) { - u32 val; - - if (!*nv) - /* allow for multiple separators */ - continue; - - val = simple_strtoul(nv, &nvp, 0); - if (nv == nvp) { - printk(KERN_INFO QIB_DRV_NAME - " Bay%u, mez%u IB%u non-numeric value (%s) " - "field #%u, ignoring rest\n", bay, mez, - port, nv, nf % (N_QMH_FIELDS * 3)); - ret = -EINVAL; - goto bail; - } - if (!(nf % N_QMH_FIELDS)) { - ppd = NULL; - bay = val; - if (!bay || bay > 16) { - printk(KERN_INFO QIB_DRV_NAME - " Invalid bay # %u, field %u, " - "ignoring rest\n", bay, nf); - ret = -EINVAL; - goto bail; - } - } else if ((nf % N_QMH_FIELDS) == 1) { - u32 bus = val; - if (nf == 1) { - mez = 1; - port = 1; - } else if (nf == (N_QMH_FIELDS + 1)) { - mez = 2; - port = 1; - } else { - mez = 2; - port = 2; - } - list_for_each_entry(dd, &qib_dev_list, list) { - if (dd->deviceid != PCI_DEVICE_ID_QLOGIC_IB_7322 - || !IS_QMH(dd)) - continue; /* only for QMH cards */ - if (dd->pcidev->bus->number == bus) { - found++; - ppd = &dd->pport[port - 1]; - } - } - } else if (ppd) { - u32 parm = (nf % N_QMH_FIELDS) - 2; - if (parm < SERDES_CHANS && !(parm % SERDES_CHANS)) - ppd->cpspec->h1_val = val; - else if (parm < (2 * SERDES_CHANS)) - ppd->cpspec->amp[parm % SERDES_CHANS] = val; - else if (parm < (3 * SERDES_CHANS)) - ppd->cpspec->pre[parm % SERDES_CHANS] = val; - else if (parm < (4 * SERDES_CHANS)) - ppd->cpspec->post[parm % SERDES_CHANS] = val; - else { - ppd->cpspec->mainv[parm % SERDES_CHANS] = val; - /* At the end of a port, set params */ - if (parm == ((5 * SERDES_CHANS) - 1)) - adj_tx_serdes(ppd); - } - } - nf++; - } - if (!found) { - printk(KERN_ERR QIB_DRV_NAME - ": No match found for qmh_serdes_setup parameter\n"); - ret = -EINVAL; - } -bail: - kfree(abuf); - return ret; -} - -/* - * Similarly for QME7342, but the format is simpler, values are the - * same for all mez card positions in a blade (2 or 4 per blade), but - * are different for some blades vs others, and we don't need to - * specify different parameters for different serdes channels or different - * IB ports. - * Format is: h1 amp,pre,post,main - * Alternate format (so ports can be different): Pport# h1 amp,pre,post,main - */ -#define N_QME_FIELDS 5 -static int setup_qme_params(const char *str, struct kernel_param *kp) -{ - char *abuf, *v, *nv, *nvp; - struct qib_devdata *dd; - u32 vlen, nf, port = 0; - u8 h1, tx[4]; /* amp, pre, post, main */ - int ret = -EINVAL; - char *seplist; - - vlen = strlen(str) + 1; - abuf = kmalloc(vlen, GFP_KERNEL); - if (!abuf) { - printk(KERN_INFO QIB_DRV_NAME - " Unable to allocate QME param buffer; ignoring\n"); - return 0; - } - strncpy(abuf, str, vlen); - - v = abuf; - seplist = " \t"; - h1 = H1_FORCE_QME; /* gcc can't figure out always set before used */ - - for (nf = 0; (nv = strsep(&v, seplist)); ) { - u32 val; - - if (!*nv) - /* allow for multiple separators */ - continue; - - if (!nf && *nv == 'P') { - /* alternate format with port */ - val = simple_strtoul(++nv, &nvp, 0); - if (nv == nvp || port >= NUM_IB_PORTS) { - printk(KERN_INFO QIB_DRV_NAME - " %s: non-numeric port value (%s) " - "ignoring rest\n", __func__, nv); - goto done; - } - port = val; - continue; /* without incrementing nf */ - } - val = simple_strtoul(nv, &nvp, 0); - if (nv == nvp) { - printk(KERN_INFO QIB_DRV_NAME - " %s: non-numeric value (%s) " - "field #%u, ignoring rest\n", __func__, - nv, nf); - goto done; - } - if (!nf) { - h1 = val; - seplist = ","; - } else - tx[nf - 1] = val; - if (++nf == N_QME_FIELDS) { - list_for_each_entry(dd, &qib_dev_list, list) { - int pidx, i; - if (dd->deviceid != PCI_DEVICE_ID_QLOGIC_IB_7322 - || !IS_QME(dd)) - continue; /* only for QME cards */ - for (pidx = 0; pidx < dd->num_pports; ++pidx) { - struct qib_pportdata *ppd; - ppd = &dd->pport[pidx]; - if ((port && ppd->port != port) || - !ppd->link_speed_supported) - continue; - ppd->cpspec->h1_val = h1; - for (i = 0; i < SERDES_CHANS; i++) { - ppd->cpspec->amp[i] = tx[0]; - ppd->cpspec->pre[i] = tx[1]; - ppd->cpspec->post[i] = tx[2]; - ppd->cpspec->mainv[i] = tx[3]; - } - adj_tx_serdes(ppd); - } - } - ret = 0; - goto done; - } - } - printk(KERN_INFO QIB_DRV_NAME - " %s: Only %u of %u fields provided, skipping\n", - __func__, nf, N_QME_FIELDS); -done: - kfree(abuf); - return ret; -} - #define SJA_EN SYM_MASK(SPC_JTAG_ACCESS_REG, SPC_JTAG_ACCESS_EN) #define BISTEN_LSB SYM_LSB(SPC_JTAG_ACCESS_REG, bist_en) diff --git a/drivers/infiniband/hw/qib/qib_init.c b/drivers/infiniband/hw/qib/qib_init.c index c0139c07e97e..9b40f345ac3f 100644 --- a/drivers/infiniband/hw/qib/qib_init.c +++ b/drivers/infiniband/hw/qib/qib_init.c @@ -1237,7 +1237,13 @@ static int __devinit qib_init_one(struct pci_dev *pdev, */ switch (ent->device) { case PCI_DEVICE_ID_QLOGIC_IB_6120: +#ifdef CONFIG_PCI_MSI dd = qib_init_iba6120_funcs(pdev, ent); +#else + qib_early_err(&pdev->dev, "QLogic PCIE device 0x%x cannot " + "work if CONFIG_PCI_MSI is not enabled\n", + ent->device); +#endif break; case PCI_DEVICE_ID_QLOGIC_IB_7220: diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig index b9f58ca82fd1..6703c6b9800a 100644 --- a/drivers/input/touchscreen/Kconfig +++ b/drivers/input/touchscreen/Kconfig @@ -590,4 +590,17 @@ config TOUCHSCREEN_PCAP To compile this driver as a module, choose M here: the module will be called pcap_ts. + +config TOUCHSCREEN_TPS6507X + tristate "TPS6507x based touchscreens" + depends on I2C + help + Say Y here if you have a TPS6507x based touchscreen + controller. + + If unsure, say N. + + To compile this driver as a module, choose M here: the + module will be called tps6507x_ts. + endif diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile index 8ad36eef90a2..497964a7a214 100644 --- a/drivers/input/touchscreen/Makefile +++ b/drivers/input/touchscreen/Makefile @@ -46,3 +46,4 @@ obj-$(CONFIG_TOUCHSCREEN_WM97XX_ATMEL) += atmel-wm97xx.o obj-$(CONFIG_TOUCHSCREEN_WM97XX_MAINSTONE) += mainstone-wm97xx.o obj-$(CONFIG_TOUCHSCREEN_WM97XX_ZYLONITE) += zylonite-wm97xx.o obj-$(CONFIG_TOUCHSCREEN_W90X900) += w90p910_ts.o +obj-$(CONFIG_TOUCHSCREEN_TPS6507X) += tps6507x-ts.o diff --git a/drivers/input/touchscreen/tps6507x-ts.c b/drivers/input/touchscreen/tps6507x-ts.c new file mode 100644 index 000000000000..5de80a1a730b --- /dev/null +++ b/drivers/input/touchscreen/tps6507x-ts.c @@ -0,0 +1,400 @@ +/* + * drivers/input/touchscreen/tps6507x_ts.c + * + * Touchscreen driver for the tps6507x chip. + * + * Copyright (c) 2009 RidgeRun (todd.fischer@ridgerun.com) + * + * Credits: + * + * Using code from tsc2007, MtekVision Co., Ltd. + * + * For licencing details see kernel-base/COPYING + * + * TPS65070, TPS65073, TPS650731, and TPS650732 support + * 10 bit touch screen interface. + */ + +#include <linux/module.h> +#include <linux/workqueue.h> +#include <linux/slab.h> +#include <linux/input.h> +#include <linux/platform_device.h> +#include <linux/mfd/tps6507x.h> +#include <linux/input/tps6507x-ts.h> +#include <linux/delay.h> + +#define TSC_DEFAULT_POLL_PERIOD 30 /* ms */ +#define TPS_DEFAULT_MIN_PRESSURE 0x30 +#define MAX_10BIT ((1 << 10) - 1) + +#define TPS6507X_ADCONFIG_CONVERT_TS (TPS6507X_ADCONFIG_AD_ENABLE | \ + TPS6507X_ADCONFIG_START_CONVERSION | \ + TPS6507X_ADCONFIG_INPUT_REAL_TSC) +#define TPS6507X_ADCONFIG_POWER_DOWN_TS (TPS6507X_ADCONFIG_INPUT_REAL_TSC) + +struct ts_event { + u16 x; + u16 y; + u16 pressure; +}; + +struct tps6507x_ts { + struct input_dev *input_dev; + struct device *dev; + char phys[32]; + struct workqueue_struct *wq; + struct delayed_work work; + unsigned polling; /* polling is active */ + struct ts_event tc; + struct tps6507x_dev *mfd; + u16 model; + unsigned pendown; + int irq; + void (*clear_penirq)(void); + unsigned long poll_period; /* ms */ + u16 min_pressure; + int vref; /* non-zero to leave vref on */ +}; + +static int tps6507x_read_u8(struct tps6507x_ts *tsc, u8 reg, u8 *data) +{ + int err; + + err = tsc->mfd->read_dev(tsc->mfd, reg, 1, data); + + if (err) + return err; + + return 0; +} + +static int tps6507x_write_u8(struct tps6507x_ts *tsc, u8 reg, u8 data) +{ + return tsc->mfd->write_dev(tsc->mfd, reg, 1, &data); +} + +static s32 tps6507x_adc_conversion(struct tps6507x_ts *tsc, + u8 tsc_mode, u16 *value) +{ + s32 ret; + u8 adc_status; + u8 result; + + /* Route input signal to A/D converter */ + + ret = tps6507x_write_u8(tsc, TPS6507X_REG_TSCMODE, tsc_mode); + if (ret) { + dev_err(tsc->dev, "TSC mode read failed\n"); + goto err; + } + + /* Start A/D conversion */ + + ret = tps6507x_write_u8(tsc, TPS6507X_REG_ADCONFIG, + TPS6507X_ADCONFIG_CONVERT_TS); + if (ret) { + dev_err(tsc->dev, "ADC config write failed\n"); + return ret; + } + + do { + ret = tps6507x_read_u8(tsc, TPS6507X_REG_ADCONFIG, + &adc_status); + if (ret) { + dev_err(tsc->dev, "ADC config read failed\n"); + goto err; + } + } while (adc_status & TPS6507X_ADCONFIG_START_CONVERSION); + + ret = tps6507x_read_u8(tsc, TPS6507X_REG_ADRESULT_2, &result); + if (ret) { + dev_err(tsc->dev, "ADC result 2 read failed\n"); + goto err; + } + + *value = (result & TPS6507X_REG_ADRESULT_2_MASK) << 8; + + ret = tps6507x_read_u8(tsc, TPS6507X_REG_ADRESULT_1, &result); + if (ret) { + dev_err(tsc->dev, "ADC result 1 read failed\n"); + goto err; + } + + *value |= result; + + dev_dbg(tsc->dev, "TSC channel %d = 0x%X\n", tsc_mode, *value); + +err: + return ret; +} + +/* Need to call tps6507x_adc_standby() after using A/D converter for the + * touch screen interrupt to work properly. + */ + +static s32 tps6507x_adc_standby(struct tps6507x_ts *tsc) +{ + s32 ret; + s32 loops = 0; + u8 val; + + ret = tps6507x_write_u8(tsc, TPS6507X_REG_ADCONFIG, + TPS6507X_ADCONFIG_INPUT_TSC); + if (ret) + return ret; + + ret = tps6507x_write_u8(tsc, TPS6507X_REG_TSCMODE, + TPS6507X_TSCMODE_STANDBY); + if (ret) + return ret; + + ret = tps6507x_read_u8(tsc, TPS6507X_REG_INT, &val); + if (ret) + return ret; + + while (val & TPS6507X_REG_TSC_INT) { + mdelay(10); + ret = tps6507x_read_u8(tsc, TPS6507X_REG_INT, &val); + if (ret) + return ret; + loops++; + } + + return ret; +} + +static void tps6507x_ts_handler(struct work_struct *work) +{ + struct tps6507x_ts *tsc = container_of(work, + struct tps6507x_ts, work.work); + struct input_dev *input_dev = tsc->input_dev; + int pendown; + int schd; + int poll = 0; + s32 ret; + + ret = tps6507x_adc_conversion(tsc, TPS6507X_TSCMODE_PRESSURE, + &tsc->tc.pressure); + if (ret) + goto done; + + pendown = tsc->tc.pressure > tsc->min_pressure; + + if (unlikely(!pendown && tsc->pendown)) { + dev_dbg(tsc->dev, "UP\n"); + input_report_key(input_dev, BTN_TOUCH, 0); + input_report_abs(input_dev, ABS_PRESSURE, 0); + input_sync(input_dev); + tsc->pendown = 0; + } + + if (pendown) { + + if (!tsc->pendown) { + dev_dbg(tsc->dev, "DOWN\n"); + input_report_key(input_dev, BTN_TOUCH, 1); + } else + dev_dbg(tsc->dev, "still down\n"); + + ret = tps6507x_adc_conversion(tsc, TPS6507X_TSCMODE_X_POSITION, + &tsc->tc.x); + if (ret) + goto done; + + ret = tps6507x_adc_conversion(tsc, TPS6507X_TSCMODE_Y_POSITION, + &tsc->tc.y); + if (ret) + goto done; + + input_report_abs(input_dev, ABS_X, tsc->tc.x); + input_report_abs(input_dev, ABS_Y, tsc->tc.y); + input_report_abs(input_dev, ABS_PRESSURE, tsc->tc.pressure); + input_sync(input_dev); + tsc->pendown = 1; + poll = 1; + } + +done: + /* always poll if not using interrupts */ + poll = 1; + + if (poll) { + schd = queue_delayed_work(tsc->wq, &tsc->work, + tsc->poll_period * HZ / 1000); + if (schd) + tsc->polling = 1; + else { + tsc->polling = 0; + dev_err(tsc->dev, "re-schedule failed"); + } + } else + tsc->polling = 0; + + ret = tps6507x_adc_standby(tsc); +} + +static int tps6507x_ts_probe(struct platform_device *pdev) +{ + int error; + struct tps6507x_ts *tsc; + struct tps6507x_dev *tps6507x_dev = dev_get_drvdata(pdev->dev.parent); + struct touchscreen_init_data *init_data; + struct input_dev *input_dev; + struct tps6507x_board *tps_board; + int schd; + + /** + * tps_board points to pmic related constants + * coming from the board-evm file. + */ + + tps_board = (struct tps6507x_board *)tps6507x_dev->dev->platform_data; + + if (!tps_board) { + dev_err(tps6507x_dev->dev, + "Could not find tps6507x platform data\n"); + return -EIO; + } + + /** + * init_data points to array of regulator_init structures + * coming from the board-evm file. + */ + + init_data = tps_board->tps6507x_ts_init_data; + + tsc = kzalloc(sizeof(struct tps6507x_ts), GFP_KERNEL); + if (!tsc) { + dev_err(tps6507x_dev->dev, "failed to allocate driver data\n"); + error = -ENOMEM; + goto err0; + } + + tps6507x_dev->ts = tsc; + tsc->mfd = tps6507x_dev; + tsc->dev = tps6507x_dev->dev; + input_dev = input_allocate_device(); + if (!input_dev) { + dev_err(tsc->dev, "Failed to allocate input device.\n"); + error = -ENOMEM; + goto err1; + } + + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); + input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH); + + input_set_abs_params(input_dev, ABS_X, 0, MAX_10BIT, 0, 0); + input_set_abs_params(input_dev, ABS_Y, 0, MAX_10BIT, 0, 0); + input_set_abs_params(input_dev, ABS_PRESSURE, 0, MAX_10BIT, 0, 0); + + input_dev->name = "TPS6507x Touchscreen"; + input_dev->id.bustype = BUS_I2C; + input_dev->dev.parent = tsc->dev; + + snprintf(tsc->phys, sizeof(tsc->phys), + "%s/input0", dev_name(tsc->dev)); + input_dev->phys = tsc->phys; + + dev_dbg(tsc->dev, "device: %s\n", input_dev->phys); + + input_set_drvdata(input_dev, tsc); + + tsc->input_dev = input_dev; + + INIT_DELAYED_WORK(&tsc->work, tps6507x_ts_handler); + tsc->wq = create_workqueue("TPS6507x Touchscreen"); + + if (init_data) { + tsc->poll_period = init_data->poll_period; + tsc->vref = init_data->vref; + tsc->min_pressure = init_data->min_pressure; + input_dev->id.vendor = init_data->vendor; + input_dev->id.product = init_data->product; + input_dev->id.version = init_data->version; + } else { + tsc->poll_period = TSC_DEFAULT_POLL_PERIOD; + tsc->min_pressure = TPS_DEFAULT_MIN_PRESSURE; + } + + error = tps6507x_adc_standby(tsc); + if (error) + goto err2; + + error = input_register_device(input_dev); + if (error) + goto err2; + + schd = queue_delayed_work(tsc->wq, &tsc->work, + tsc->poll_period * HZ / 1000); + + if (schd) + tsc->polling = 1; + else { + tsc->polling = 0; + dev_err(tsc->dev, "schedule failed"); + goto err2; + } + + return 0; + +err2: + cancel_delayed_work(&tsc->work); + flush_workqueue(tsc->wq); + destroy_workqueue(tsc->wq); + tsc->wq = 0; + input_free_device(input_dev); +err1: + kfree(tsc); + tps6507x_dev->ts = NULL; +err0: + return error; +} + +static int __devexit tps6507x_ts_remove(struct platform_device *pdev) +{ + struct tps6507x_dev *tps6507x_dev = platform_get_drvdata(pdev); + struct tps6507x_ts *tsc = tps6507x_dev->ts; + struct input_dev *input_dev = tsc->input_dev; + + if (!tsc) + return 0; + + cancel_delayed_work(&tsc->work); + flush_workqueue(tsc->wq); + destroy_workqueue(tsc->wq); + tsc->wq = 0; + + input_free_device(input_dev); + + tps6507x_dev->ts = NULL; + kfree(tsc); + + return 0; +} + +static struct platform_driver tps6507x_ts_driver = { + .driver = { + .name = "tps6507x-ts", + .owner = THIS_MODULE, + }, + .probe = tps6507x_ts_probe, + .remove = __devexit_p(tps6507x_ts_remove), +}; + +static int __init tps6507x_ts_init(void) +{ + return platform_driver_register(&tps6507x_ts_driver); +} +module_init(tps6507x_ts_init); + +static void __exit tps6507x_ts_exit(void) +{ + platform_driver_unregister(&tps6507x_ts_driver); +} +module_exit(tps6507x_ts_exit); + +MODULE_AUTHOR("Todd Fischer <todd.fischer@ridgerun.com>"); +MODULE_DESCRIPTION("TPS6507x - TouchScreen driver"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:tps6507x-tsc"); diff --git a/drivers/isdn/hardware/mISDN/hfcsusb.c b/drivers/isdn/hardware/mISDN/hfcsusb.c index b3b7e2879bac..8700474747e8 100644 --- a/drivers/isdn/hardware/mISDN/hfcsusb.c +++ b/drivers/isdn/hardware/mISDN/hfcsusb.c @@ -97,8 +97,10 @@ static int write_reg(struct hfcsusb *hw, __u8 reg, __u8 val) hw->name, __func__, reg, val); spin_lock(&hw->ctrl_lock); - if (hw->ctrl_cnt >= HFC_CTRL_BUFSIZE) + if (hw->ctrl_cnt >= HFC_CTRL_BUFSIZE) { + spin_unlock(&hw->ctrl_lock); return 1; + } buf = &hw->ctrl_buff[hw->ctrl_in_idx]; buf->hfcs_reg = reg; buf->reg_val = val; diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig index f98d17a7108b..81bf25e67ce1 100644 --- a/drivers/leds/Kconfig +++ b/drivers/leds/Kconfig @@ -21,7 +21,7 @@ comment "LED drivers" config LEDS_88PM860X tristate "LED Support for Marvell 88PM860x PMIC" - depends on LEDS_CLASS && MFD_88PM860X + depends on MFD_88PM860X help This option enables support for on-chip LED drivers found on Marvell Semiconductor 88PM8606 PMIC. @@ -69,8 +69,8 @@ config LEDS_NET48XX config LEDS_NET5501 tristate "LED Support for Soekris net5501 series Error LED" - depends on LEDS_CLASS && LEDS_TRIGGERS - depends on LEDS_GPIO_PLATFORM && GPIO_CS5535 + depends on LEDS_TRIGGERS + depends on X86 && LEDS_GPIO_PLATFORM && GPIO_CS5535 select LEDS_TRIGGER_DEFAULT_ON default n help diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c index 26843dd6b859..cc22eeefa10b 100644 --- a/drivers/leds/leds-gpio.c +++ b/drivers/leds/leds-gpio.c @@ -250,7 +250,6 @@ static int __devinit of_gpio_leds_probe(struct of_device *ofdev, led.gpio = of_get_gpio_flags(child, 0, &flags); led.active_low = flags & OF_GPIO_ACTIVE_LOW; led.name = of_get_property(child, "label", NULL) ? : child->name; - led.blinking = 0; led.default_trigger = of_get_property(child, "linux,default-trigger", NULL); state = of_get_property(child, "default-state", NULL); diff --git a/drivers/mfd/88pm860x-core.c b/drivers/mfd/88pm860x-core.c index 405d2d5183cf..2c65a2c57294 100644 --- a/drivers/mfd/88pm860x-core.c +++ b/drivers/mfd/88pm860x-core.c @@ -566,7 +566,7 @@ out: return ret; } -static void __devexit device_irq_exit(struct pm860x_chip *chip) +static void device_irq_exit(struct pm860x_chip *chip) { if (chip->core_irq) free_irq(chip->core_irq, chip); @@ -703,7 +703,7 @@ out: return; } -int pm860x_device_init(struct pm860x_chip *chip, +int __devinit pm860x_device_init(struct pm860x_chip *chip, struct pm860x_platform_data *pdata) { chip->core_irq = 0; @@ -731,7 +731,7 @@ int pm860x_device_init(struct pm860x_chip *chip, return 0; } -void pm860x_device_exit(struct pm860x_chip *chip) +void __devexit pm860x_device_exit(struct pm860x_chip *chip) { device_irq_exit(chip); mfd_remove_devices(chip->dev); diff --git a/drivers/mfd/88pm860x-i2c.c b/drivers/mfd/88pm860x-i2c.c index 4a6e7186334e..c933b64d1283 100644 --- a/drivers/mfd/88pm860x-i2c.c +++ b/drivers/mfd/88pm860x-i2c.c @@ -200,8 +200,8 @@ static int __devexit pm860x_remove(struct i2c_client *client) pm860x_device_exit(chip); i2c_unregister_device(chip->companion); - i2c_set_clientdata(chip->companion, NULL); i2c_set_clientdata(chip->client, NULL); + i2c_set_clientdata(client, NULL); kfree(chip); return 0; } diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 3c6a9860dd9c..9da0e504bbe9 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -2,8 +2,14 @@ # Multifunction miscellaneous devices # -menu "Multifunction device drivers" +menuconfig MFD_SUPPORT + bool "Multifunction device drivers" depends on HAS_IOMEM + default y + help + Configure MFD device drivers. + +if MFD_SUPPORT config MFD_CORE tristate @@ -116,6 +122,18 @@ config TPS65010 This driver can also be built as a module. If so, the module will be called tps65010. +config TPS6507X + tristate "TPS6507x Power Management / Touch Screen chips" + select MFD_CORE + depends on I2C + help + If you say yes here you get support for the TPS6507x series of + Power Management / Touch Screen chips. These include voltage + regulators, lithium ion/polymer battery charging, touch screen + and other features that are often used in portable devices. + This driver can also be built as a module. If so, the module + will be called tps6507x. + config MENELAUS bool "Texas Instruments TWL92330/Menelaus PM chip" depends on I2C=y && ARCH_OMAP2 @@ -159,6 +177,17 @@ config TWL4030_CODEC select MFD_CORE default n +config MFD_TC35892 + bool "Support Toshiba TC35892" + depends on I2C=y && GENERIC_HARDIRQS + select MFD_CORE + help + Support for the Toshiba TC35892 I/O Expander. + + This driver provides common support for accessing the device, + additional drivers must be enabled in order to use the + functionality of the device. + config MFD_TMIO bool default n @@ -351,9 +380,19 @@ config PCF50633_GPIO Say yes here if you want to include support GPIO for pins on the PCF50633 chip. +config ABX500_CORE + bool "ST-Ericsson ABX500 Mixed Signal Circuit register functions" + default y if ARCH_U300 + help + Say yes here if you have the ABX500 Mixed Signal IC family + chips. This core driver expose register access functions. + Functionality specific drivers using these functions can + remain unchanged when IC changes. Binding of the functions to + actual register access is done by the IC core driver. + config AB3100_CORE bool "ST-Ericsson AB3100 Mixed Signal Circuit core functions" - depends on I2C=y + depends on I2C=y && ABX500_CORE default y if ARCH_U300 help Select this to enable the AB3100 Mixed Signal IC core @@ -381,15 +420,30 @@ config EZX_PCAP This enables the PCAP ASIC present on EZX Phones. This is needed for MMC, TouchScreen, Sound, USB, etc.. -config AB4500_CORE - tristate "ST-Ericsson's AB4500 Mixed Signal Power management chip" - depends on SPI +config AB8500_CORE + bool "ST-Ericsson AB8500 Mixed Signal Power Management chip" + depends on SPI=y && GENERIC_HARDIRQS + select MFD_CORE help - Select this option to enable access to AB4500 power management + Select this option to enable access to AB8500 power management chip. This connects to U8500 on the SSP/SPI bus and exports read/write functions for the devices to get access to this chip. This chip embeds various other multimedia funtionalities as well. +config AB3550_CORE + bool "ST-Ericsson AB3550 Mixed Signal Circuit core functions" + select MFD_CORE + depends on I2C=y && GENERIC_HARDIRQS && ABX500_CORE + help + Select this to enable the AB3550 Mixed Signal IC core + functionality. This connects to a AB3550 on the I2C bus + and expose a number of symbols needed for dependent devices + to read and write registers and subscribe to events from + this multi-functional IC. This is needed to use other features + of the AB3550 such as battery-backed RTC, charging control, + LEDs, vibrator, system power and temperature, power management + and ALSA sound. + config MFD_TIMBERDALE tristate "Support for the Timberdale FPGA" select MFD_CORE @@ -409,7 +463,26 @@ config LPC_SCH LPC bridge function of the Intel SCH provides support for System Management Bus and General Purpose I/O. -endmenu +config MFD_RDC321X + tristate "Support for RDC-R321x southbridge" + select MFD_CORE + depends on PCI + help + Say yes here if you want to have support for the RDC R-321x SoC + southbridge which provides access to GPIOs and Watchdog using the + southbridge PCI device configuration space. + +config MFD_JANZ_CMODIO + tristate "Support for Janz CMOD-IO PCI MODULbus Carrier Board" + select MFD_CORE + depends on PCI + help + This is the core driver for the Janz CMOD-IO PCI MODULbus + carrier board. This device is a PCI to MODULbus bridge which may + host many different types of MODULbus daughterboards, including + CAN and GPIO controllers. + +endif # MFD_SUPPORT menu "Multimedia Capabilities Port drivers" depends on ARCH_SA1100 diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index 87935f967aa0..fb503e77dc60 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -15,6 +15,7 @@ obj-$(CONFIG_HTC_I2CPLD) += htc-i2cpld.o obj-$(CONFIG_MFD_DAVINCI_VOICECODEC) += davinci_voicecodec.o obj-$(CONFIG_MFD_DM355EVM_MSP) += dm355evm_msp.o +obj-$(CONFIG_MFD_TC35892) += tc35892.o obj-$(CONFIG_MFD_T7L66XB) += t7l66xb.o tmio_core.o obj-$(CONFIG_MFD_TC6387XB) += tc6387xb.o tmio_core.o obj-$(CONFIG_MFD_TC6393XB) += tc6393xb.o tmio_core.o @@ -29,6 +30,7 @@ obj-$(CONFIG_MFD_WM8350_I2C) += wm8350-i2c.o obj-$(CONFIG_MFD_WM8994) += wm8994-core.o wm8994-irq.o obj-$(CONFIG_TPS65010) += tps65010.o +obj-$(CONFIG_TPS6507X) += tps6507x.o obj-$(CONFIG_MENELAUS) += menelaus.o obj-$(CONFIG_TWL4030_CORE) += twl-core.o twl4030-irq.o twl6030-irq.o @@ -55,12 +57,17 @@ obj-$(CONFIG_PMIC_DA903X) += da903x.o max8925-objs := max8925-core.o max8925-i2c.o obj-$(CONFIG_MFD_MAX8925) += max8925.o -obj-$(CONFIG_MFD_PCF50633) += pcf50633-core.o +pcf50633-objs := pcf50633-core.o pcf50633-irq.o +obj-$(CONFIG_MFD_PCF50633) += pcf50633.o obj-$(CONFIG_PCF50633_ADC) += pcf50633-adc.o obj-$(CONFIG_PCF50633_GPIO) += pcf50633-gpio.o +obj-$(CONFIG_ABX500_CORE) += abx500-core.o obj-$(CONFIG_AB3100_CORE) += ab3100-core.o obj-$(CONFIG_AB3100_OTP) += ab3100-otp.o -obj-$(CONFIG_AB4500_CORE) += ab4500-core.o +obj-$(CONFIG_AB3550_CORE) += ab3550-core.o +obj-$(CONFIG_AB8500_CORE) += ab8500-core.o ab8500-spi.o obj-$(CONFIG_MFD_TIMBERDALE) += timberdale.o obj-$(CONFIG_PMIC_ADP5520) += adp5520.o -obj-$(CONFIG_LPC_SCH) += lpc_sch.o
\ No newline at end of file +obj-$(CONFIG_LPC_SCH) += lpc_sch.o +obj-$(CONFIG_MFD_RDC321X) += rdc321x-southbridge.o +obj-$(CONFIG_MFD_JANZ_CMODIO) += janz-cmodio.o diff --git a/drivers/mfd/ab3100-core.c b/drivers/mfd/ab3100-core.c index e4ca5909e424..53ebfee548fa 100644 --- a/drivers/mfd/ab3100-core.c +++ b/drivers/mfd/ab3100-core.c @@ -19,7 +19,7 @@ #include <linux/debugfs.h> #include <linux/seq_file.h> #include <linux/uaccess.h> -#include <linux/mfd/ab3100.h> +#include <linux/mfd/abx500.h> /* These are the only registers inside AB3100 used in this main file */ @@ -59,24 +59,15 @@ * The AB3100 is usually assigned address 0x48 (7-bit) * The chip is defined in the platform i2c_board_data section. */ - -u8 ab3100_get_chip_type(struct ab3100 *ab3100) +static int ab3100_get_chip_id(struct device *dev) { - u8 chip = ABUNKNOWN; - - switch (ab3100->chip_id & 0xf0) { - case 0xa0: - chip = AB3000; - break; - case 0xc0: - chip = AB3100; - break; - } - return chip; + struct ab3100 *ab3100 = dev_get_drvdata(dev->parent); + + return (int)ab3100->chip_id; } -EXPORT_SYMBOL(ab3100_get_chip_type); -int ab3100_set_register_interruptible(struct ab3100 *ab3100, u8 reg, u8 regval) +static int ab3100_set_register_interruptible(struct ab3100 *ab3100, + u8 reg, u8 regval) { u8 regandval[2] = {reg, regval}; int err; @@ -108,8 +99,14 @@ int ab3100_set_register_interruptible(struct ab3100 *ab3100, u8 reg, u8 regval) mutex_unlock(&ab3100->access_mutex); return err; } -EXPORT_SYMBOL(ab3100_set_register_interruptible); +static int set_register_interruptible(struct device *dev, + u8 bank, u8 reg, u8 value) +{ + struct ab3100 *ab3100 = dev_get_drvdata(dev->parent); + + return ab3100_set_register_interruptible(ab3100, reg, value); +} /* * The test registers exist at an I2C bus address up one @@ -148,8 +145,8 @@ static int ab3100_set_test_register_interruptible(struct ab3100 *ab3100, return err; } - -int ab3100_get_register_interruptible(struct ab3100 *ab3100, u8 reg, u8 *regval) +static int ab3100_get_register_interruptible(struct ab3100 *ab3100, + u8 reg, u8 *regval) { int err; @@ -203,10 +200,16 @@ int ab3100_get_register_interruptible(struct ab3100 *ab3100, u8 reg, u8 *regval) mutex_unlock(&ab3100->access_mutex); return err; } -EXPORT_SYMBOL(ab3100_get_register_interruptible); +static int get_register_interruptible(struct device *dev, u8 bank, u8 reg, + u8 *value) +{ + struct ab3100 *ab3100 = dev_get_drvdata(dev->parent); + + return ab3100_get_register_interruptible(ab3100, reg, value); +} -int ab3100_get_register_page_interruptible(struct ab3100 *ab3100, +static int ab3100_get_register_page_interruptible(struct ab3100 *ab3100, u8 first_reg, u8 *regvals, u8 numregs) { int err; @@ -260,10 +263,17 @@ int ab3100_get_register_page_interruptible(struct ab3100 *ab3100, mutex_unlock(&ab3100->access_mutex); return err; } -EXPORT_SYMBOL(ab3100_get_register_page_interruptible); +static int get_register_page_interruptible(struct device *dev, u8 bank, + u8 first_reg, u8 *regvals, u8 numregs) +{ + struct ab3100 *ab3100 = dev_get_drvdata(dev->parent); + + return ab3100_get_register_page_interruptible(ab3100, + first_reg, regvals, numregs); +} -int ab3100_mask_and_set_register_interruptible(struct ab3100 *ab3100, +static int ab3100_mask_and_set_register_interruptible(struct ab3100 *ab3100, u8 reg, u8 andmask, u8 ormask) { u8 regandval[2] = {reg, 0}; @@ -331,8 +341,15 @@ int ab3100_mask_and_set_register_interruptible(struct ab3100 *ab3100, mutex_unlock(&ab3100->access_mutex); return err; } -EXPORT_SYMBOL(ab3100_mask_and_set_register_interruptible); +static int mask_and_set_register_interruptible(struct device *dev, u8 bank, + u8 reg, u8 bitmask, u8 bitvalues) +{ + struct ab3100 *ab3100 = dev_get_drvdata(dev->parent); + + return ab3100_mask_and_set_register_interruptible(ab3100, + reg, bitmask, (bitmask & bitvalues)); +} /* * Register a simple callback for handling any AB3100 events. @@ -357,15 +374,27 @@ int ab3100_event_unregister(struct ab3100 *ab3100, EXPORT_SYMBOL(ab3100_event_unregister); -int ab3100_event_registers_startup_state_get(struct ab3100 *ab3100, - u32 *fatevent) +static int ab3100_event_registers_startup_state_get(struct device *dev, + u8 *event) { + struct ab3100 *ab3100 = dev_get_drvdata(dev->parent); if (!ab3100->startup_events_read) return -EAGAIN; /* Try again later */ - *fatevent = ab3100->startup_events; + memcpy(event, ab3100->startup_events, 3); return 0; } -EXPORT_SYMBOL(ab3100_event_registers_startup_state_get); + +static struct abx500_ops ab3100_ops = { + .get_chip_id = ab3100_get_chip_id, + .set_register = set_register_interruptible, + .get_register = get_register_interruptible, + .get_register_page = get_register_page_interruptible, + .set_register_page = NULL, + .mask_and_set_register = mask_and_set_register_interruptible, + .event_registers_startup_state_get = + ab3100_event_registers_startup_state_get, + .startup_irq_enabled = NULL, +}; /* * This is a threaded interrupt handler so we can make some @@ -390,7 +419,9 @@ static irqreturn_t ab3100_irq_handler(int irq, void *data) event_regs[2]; if (!ab3100->startup_events_read) { - ab3100->startup_events = fatevent; + ab3100->startup_events[0] = event_regs[0]; + ab3100->startup_events[1] = event_regs[1]; + ab3100->startup_events[2] = event_regs[2]; ab3100->startup_events_read = true; } /* @@ -703,7 +734,8 @@ static int __init ab3100_setup(struct ab3100 *ab3100) dev_warn(ab3100->dev, "AB3100 P1E variant detected, " "forcing chip to 32KHz\n"); - err = ab3100_set_test_register_interruptible(ab3100, 0x02, 0x08); + err = ab3100_set_test_register_interruptible(ab3100, + 0x02, 0x08); } exit_no_setup: @@ -898,6 +930,10 @@ static int __init ab3100_probe(struct i2c_client *client, if (err) goto exit_no_irq; + err = abx500_register_ops(&client->dev, &ab3100_ops); + if (err) + goto exit_no_ops; + /* Set parent and a pointer back to the container in device data */ for (i = 0; i < ARRAY_SIZE(ab3100_platform_devs); i++) { ab3100_platform_devs[i]->dev.parent = @@ -915,11 +951,13 @@ static int __init ab3100_probe(struct i2c_client *client, return 0; + exit_no_ops: exit_no_irq: exit_no_setup: i2c_unregister_device(ab3100->testreg_client); exit_no_testreg_client: exit_no_detect: + i2c_set_clientdata(client, NULL); kfree(ab3100); return err; } @@ -941,6 +979,7 @@ static int __exit ab3100_remove(struct i2c_client *client) * their notifiers so deactivate IRQ */ free_irq(client->irq, ab3100); + i2c_set_clientdata(client, NULL); kfree(ab3100); return 0; } diff --git a/drivers/mfd/ab3100-otp.c b/drivers/mfd/ab3100-otp.c index 2d14655fdebd..63d2b727ddbb 100644 --- a/drivers/mfd/ab3100-otp.c +++ b/drivers/mfd/ab3100-otp.c @@ -12,7 +12,7 @@ #include <linux/slab.h> #include <linux/init.h> #include <linux/platform_device.h> -#include <linux/mfd/ab3100.h> +#include <linux/mfd/abx500.h> #include <linux/debugfs.h> #include <linux/seq_file.h> @@ -30,7 +30,6 @@ /** * struct ab3100_otp * @dev containing device - * @ab3100 a pointer to the parent ab3100 device struct * @locked whether the OTP is locked, after locking, no more bits * can be changed but before locking it is still possible * to change bits from 1->0. @@ -49,7 +48,6 @@ */ struct ab3100_otp { struct device *dev; - struct ab3100 *ab3100; bool locked; u32 freq; bool paf; @@ -63,19 +61,19 @@ struct ab3100_otp { static int __init ab3100_otp_read(struct ab3100_otp *otp) { - struct ab3100 *ab = otp->ab3100; u8 otpval[8]; u8 otpp; int err; - err = ab3100_get_register_interruptible(ab, AB3100_OTPP, &otpp); + err = abx500_get_register_interruptible(otp->dev, 0, + AB3100_OTPP, &otpp); if (err) { dev_err(otp->dev, "unable to read OTPP register\n"); return err; } - err = ab3100_get_register_page_interruptible(ab, AB3100_OTP0, - otpval, 8); + err = abx500_get_register_page_interruptible(otp->dev, 0, + AB3100_OTP0, otpval, 8); if (err) { dev_err(otp->dev, "unable to read OTP register page\n"); return err; @@ -197,7 +195,6 @@ static int __init ab3100_otp_probe(struct platform_device *pdev) otp->dev = &pdev->dev; /* Replace platform data coming in with a local struct */ - otp->ab3100 = platform_get_drvdata(pdev); platform_set_drvdata(pdev, otp); err = ab3100_otp_read(otp); diff --git a/drivers/mfd/ab3550-core.c b/drivers/mfd/ab3550-core.c new file mode 100644 index 000000000000..1060f8e1c40a --- /dev/null +++ b/drivers/mfd/ab3550-core.c @@ -0,0 +1,1401 @@ +/* + * Copyright (C) 2007-2010 ST-Ericsson + * License terms: GNU General Public License (GPL) version 2 + * Low-level core for exclusive access to the AB3550 IC on the I2C bus + * and some basic chip-configuration. + * Author: Bengt Jonsson <bengt.g.jonsson@stericsson.com> + * Author: Mattias Nilsson <mattias.i.nilsson@stericsson.com> + * Author: Mattias Wallin <mattias.wallin@stericsson.com> + * Author: Rickard Andersson <rickard.andersson@stericsson.com> + */ + +#include <linux/i2c.h> +#include <linux/mutex.h> +#include <linux/err.h> +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <linux/device.h> +#include <linux/irq.h> +#include <linux/interrupt.h> +#include <linux/random.h> +#include <linux/workqueue.h> +#include <linux/debugfs.h> +#include <linux/seq_file.h> +#include <linux/uaccess.h> +#include <linux/mfd/abx500.h> +#include <linux/list.h> +#include <linux/bitops.h> +#include <linux/spinlock.h> +#include <linux/mfd/core.h> + +#define AB3550_NAME_STRING "ab3550" +#define AB3550_ID_FORMAT_STRING "AB3550 %s" +#define AB3550_NUM_BANKS 2 +#define AB3550_NUM_EVENT_REG 5 + +/* These are the only registers inside AB3550 used in this main file */ + +/* Chip ID register */ +#define AB3550_CID_REG 0x20 + +/* Interrupt event registers */ +#define AB3550_EVENT_BANK 0 +#define AB3550_EVENT_REG 0x22 + +/* Read/write operation values. */ +#define AB3550_PERM_RD (0x01) +#define AB3550_PERM_WR (0x02) + +/* Read/write permissions. */ +#define AB3550_PERM_RO (AB3550_PERM_RD) +#define AB3550_PERM_RW (AB3550_PERM_RD | AB3550_PERM_WR) + +/** + * struct ab3550 + * @access_mutex: lock out concurrent accesses to the AB registers + * @i2c_client: I2C client for this chip + * @chip_name: name of this chip variant + * @chip_id: 8 bit chip ID for this chip variant + * @mask_work: a worker for writing to mask registers + * @event_lock: a lock to protect the event_mask + * @event_mask: a local copy of the mask event registers + * @startup_events: a copy of the first reading of the event registers + * @startup_events_read: whether the first events have been read + */ +struct ab3550 { + struct mutex access_mutex; + struct i2c_client *i2c_client[AB3550_NUM_BANKS]; + char chip_name[32]; + u8 chip_id; + struct work_struct mask_work; + spinlock_t event_lock; + u8 event_mask[AB3550_NUM_EVENT_REG]; + u8 startup_events[AB3550_NUM_EVENT_REG]; + bool startup_events_read; +#ifdef CONFIG_DEBUG_FS + unsigned int debug_bank; + unsigned int debug_address; +#endif +}; + +/** + * struct ab3550_reg_range + * @first: the first address of the range + * @last: the last address of the range + * @perm: access permissions for the range + */ +struct ab3550_reg_range { + u8 first; + u8 last; + u8 perm; +}; + +/** + * struct ab3550_reg_ranges + * @count: the number of ranges in the list + * @range: the list of register ranges + */ +struct ab3550_reg_ranges { + u8 count; + const struct ab3550_reg_range *range; +}; + +/* + * Permissible register ranges for reading and writing per device and bank. + * + * The ranges must be listed in increasing address order, and no overlaps are + * allowed. It is assumed that write permission implies read permission + * (i.e. only RO and RW permissions should be used). Ranges with write + * permission must not be split up. + */ + +#define NO_RANGE {.count = 0, .range = NULL,} + +static struct +ab3550_reg_ranges ab3550_reg_ranges[AB3550_NUM_DEVICES][AB3550_NUM_BANKS] = { + [AB3550_DEVID_DAC] = { + NO_RANGE, + { + .count = 2, + .range = (struct ab3550_reg_range[]) { + { + .first = 0xb0, + .last = 0xba, + .perm = AB3550_PERM_RW, + }, + { + .first = 0xbc, + .last = 0xc3, + .perm = AB3550_PERM_RW, + }, + }, + }, + }, + [AB3550_DEVID_LEDS] = { + NO_RANGE, + { + .count = 2, + .range = (struct ab3550_reg_range[]) { + { + .first = 0x5a, + .last = 0x88, + .perm = AB3550_PERM_RW, + }, + { + .first = 0x8a, + .last = 0xad, + .perm = AB3550_PERM_RW, + }, + } + }, + }, + [AB3550_DEVID_POWER] = { + { + .count = 1, + .range = (struct ab3550_reg_range[]) { + { + .first = 0x21, + .last = 0x21, + .perm = AB3550_PERM_RO, + }, + } + }, + NO_RANGE, + }, + [AB3550_DEVID_REGULATORS] = { + { + .count = 1, + .range = (struct ab3550_reg_range[]) { + { + .first = 0x69, + .last = 0xa3, + .perm = AB3550_PERM_RW, + }, + } + }, + { + .count = 1, + .range = (struct ab3550_reg_range[]) { + { + .first = 0x14, + .last = 0x16, + .perm = AB3550_PERM_RW, + }, + } + }, + }, + [AB3550_DEVID_SIM] = { + { + .count = 1, + .range = (struct ab3550_reg_range[]) { + { + .first = 0x21, + .last = 0x21, + .perm = AB3550_PERM_RO, + }, + } + }, + { + .count = 1, + .range = (struct ab3550_reg_range[]) { + { + .first = 0x14, + .last = 0x17, + .perm = AB3550_PERM_RW, + }, + } + + }, + }, + [AB3550_DEVID_UART] = { + NO_RANGE, + NO_RANGE, + }, + [AB3550_DEVID_RTC] = { + { + .count = 1, + .range = (struct ab3550_reg_range[]) { + { + .first = 0x00, + .last = 0x0c, + .perm = AB3550_PERM_RW, + }, + } + }, + NO_RANGE, + }, + [AB3550_DEVID_CHARGER] = { + { + .count = 2, + .range = (struct ab3550_reg_range[]) { + { + .first = 0x10, + .last = 0x1a, + .perm = AB3550_PERM_RW, + }, + { + .first = 0x21, + .last = 0x21, + .perm = AB3550_PERM_RO, + }, + } + }, + NO_RANGE, + }, + [AB3550_DEVID_ADC] = { + NO_RANGE, + { + .count = 1, + .range = (struct ab3550_reg_range[]) { + { + .first = 0x20, + .last = 0x56, + .perm = AB3550_PERM_RW, + }, + + } + }, + }, + [AB3550_DEVID_FUELGAUGE] = { + { + .count = 1, + .range = (struct ab3550_reg_range[]) { + { + .first = 0x21, + .last = 0x21, + .perm = AB3550_PERM_RO, + }, + } + }, + { + .count = 1, + .range = (struct ab3550_reg_range[]) { + { + .first = 0x00, + .last = 0x0e, + .perm = AB3550_PERM_RW, + }, + } + }, + }, + [AB3550_DEVID_VIBRATOR] = { + NO_RANGE, + { + .count = 1, + .range = (struct ab3550_reg_range[]) { + { + .first = 0x10, + .last = 0x13, + .perm = AB3550_PERM_RW, + }, + + } + }, + }, + [AB3550_DEVID_CODEC] = { + { + .count = 2, + .range = (struct ab3550_reg_range[]) { + { + .first = 0x31, + .last = 0x63, + .perm = AB3550_PERM_RW, + }, + { + .first = 0x65, + .last = 0x68, + .perm = AB3550_PERM_RW, + }, + } + }, + NO_RANGE, + }, +}; + +static struct mfd_cell ab3550_devs[AB3550_NUM_DEVICES] = { + [AB3550_DEVID_DAC] = { + .name = "ab3550-dac", + .id = AB3550_DEVID_DAC, + .num_resources = 0, + }, + [AB3550_DEVID_LEDS] = { + .name = "ab3550-leds", + .id = AB3550_DEVID_LEDS, + }, + [AB3550_DEVID_POWER] = { + .name = "ab3550-power", + .id = AB3550_DEVID_POWER, + }, + [AB3550_DEVID_REGULATORS] = { + .name = "ab3550-regulators", + .id = AB3550_DEVID_REGULATORS, + }, + [AB3550_DEVID_SIM] = { + .name = "ab3550-sim", + .id = AB3550_DEVID_SIM, + }, + [AB3550_DEVID_UART] = { + .name = "ab3550-uart", + .id = AB3550_DEVID_UART, + }, + [AB3550_DEVID_RTC] = { + .name = "ab3550-rtc", + .id = AB3550_DEVID_RTC, + }, + [AB3550_DEVID_CHARGER] = { + .name = "ab3550-charger", + .id = AB3550_DEVID_CHARGER, + }, + [AB3550_DEVID_ADC] = { + .name = "ab3550-adc", + .id = AB3550_DEVID_ADC, + .num_resources = 10, + .resources = (struct resource[]) { + { + .name = "TRIGGER-0", + .flags = IORESOURCE_IRQ, + .start = 16, + .end = 16, + }, + { + .name = "TRIGGER-1", + .flags = IORESOURCE_IRQ, + .start = 17, + .end = 17, + }, + { + .name = "TRIGGER-2", + .flags = IORESOURCE_IRQ, + .start = 18, + .end = 18, + }, + { + .name = "TRIGGER-3", + .flags = IORESOURCE_IRQ, + .start = 19, + .end = 19, + }, + { + .name = "TRIGGER-4", + .flags = IORESOURCE_IRQ, + .start = 20, + .end = 20, + }, + { + .name = "TRIGGER-5", + .flags = IORESOURCE_IRQ, + .start = 21, + .end = 21, + }, + { + .name = "TRIGGER-6", + .flags = IORESOURCE_IRQ, + .start = 22, + .end = 22, + }, + { + .name = "TRIGGER-7", + .flags = IORESOURCE_IRQ, + .start = 23, + .end = 23, + }, + { + .name = "TRIGGER-VBAT-TXON", + .flags = IORESOURCE_IRQ, + .start = 13, + .end = 13, + }, + { + .name = "TRIGGER-VBAT", + .flags = IORESOURCE_IRQ, + .start = 12, + .end = 12, + }, + }, + }, + [AB3550_DEVID_FUELGAUGE] = { + .name = "ab3550-fuelgauge", + .id = AB3550_DEVID_FUELGAUGE, + }, + [AB3550_DEVID_VIBRATOR] = { + .name = "ab3550-vibrator", + .id = AB3550_DEVID_VIBRATOR, + }, + [AB3550_DEVID_CODEC] = { + .name = "ab3550-codec", + .id = AB3550_DEVID_CODEC, + }, +}; + +/* + * I2C transactions with error messages. + */ +static int ab3550_i2c_master_send(struct ab3550 *ab, u8 bank, u8 *data, + u8 count) +{ + int err; + + err = i2c_master_send(ab->i2c_client[bank], data, count); + if (err < 0) { + dev_err(&ab->i2c_client[0]->dev, "send error: %d\n", err); + return err; + } + return 0; +} + +static int ab3550_i2c_master_recv(struct ab3550 *ab, u8 bank, u8 *data, + u8 count) +{ + int err; + + err = i2c_master_recv(ab->i2c_client[bank], data, count); + if (err < 0) { + dev_err(&ab->i2c_client[0]->dev, "receive error: %d\n", err); + return err; + } + return 0; +} + +/* + * Functionality for getting/setting register values. + */ +static int get_register_interruptible(struct ab3550 *ab, u8 bank, u8 reg, + u8 *value) +{ + int err; + + err = mutex_lock_interruptible(&ab->access_mutex); + if (err) + return err; + + err = ab3550_i2c_master_send(ab, bank, ®, 1); + if (!err) + err = ab3550_i2c_master_recv(ab, bank, value, 1); + + mutex_unlock(&ab->access_mutex); + return err; +} + +static int get_register_page_interruptible(struct ab3550 *ab, u8 bank, + u8 first_reg, u8 *regvals, u8 numregs) +{ + int err; + + err = mutex_lock_interruptible(&ab->access_mutex); + if (err) + return err; + + err = ab3550_i2c_master_send(ab, bank, &first_reg, 1); + if (!err) + err = ab3550_i2c_master_recv(ab, bank, regvals, numregs); + + mutex_unlock(&ab->access_mutex); + return err; +} + +static int mask_and_set_register_interruptible(struct ab3550 *ab, u8 bank, + u8 reg, u8 bitmask, u8 bitvalues) +{ + int err = 0; + + if (likely(bitmask)) { + u8 reg_bits[2] = {reg, 0}; + + err = mutex_lock_interruptible(&ab->access_mutex); + if (err) + return err; + + if (bitmask == 0xFF) /* No need to read in this case. */ + reg_bits[1] = bitvalues; + else { /* Read and modify the register value. */ + u8 bits; + + err = ab3550_i2c_master_send(ab, bank, ®, 1); + if (err) + goto unlock_and_return; + err = ab3550_i2c_master_recv(ab, bank, &bits, 1); + if (err) + goto unlock_and_return; + reg_bits[1] = ((~bitmask & bits) | + (bitmask & bitvalues)); + } + /* Write the new value. */ + err = ab3550_i2c_master_send(ab, bank, reg_bits, 2); +unlock_and_return: + mutex_unlock(&ab->access_mutex); + } + return err; +} + +/* + * Read/write permission checking functions. + */ +static bool page_write_allowed(const struct ab3550_reg_ranges *ranges, + u8 first_reg, u8 last_reg) +{ + u8 i; + + if (last_reg < first_reg) + return false; + + for (i = 0; i < ranges->count; i++) { + if (first_reg < ranges->range[i].first) + break; + if ((last_reg <= ranges->range[i].last) && + (ranges->range[i].perm & AB3550_PERM_WR)) + return true; + } + return false; +} + +static bool reg_write_allowed(const struct ab3550_reg_ranges *ranges, u8 reg) +{ + return page_write_allowed(ranges, reg, reg); +} + +static bool page_read_allowed(const struct ab3550_reg_ranges *ranges, + u8 first_reg, u8 last_reg) +{ + u8 i; + + if (last_reg < first_reg) + return false; + /* Find the range (if it exists in the list) that includes first_reg. */ + for (i = 0; i < ranges->count; i++) { + if (first_reg < ranges->range[i].first) + return false; + if (first_reg <= ranges->range[i].last) + break; + } + /* Make sure that the entire range up to and including last_reg is + * readable. This may span several of the ranges in the list. + */ + while ((i < ranges->count) && + (ranges->range[i].perm & AB3550_PERM_RD)) { + if (last_reg <= ranges->range[i].last) + return true; + if ((++i >= ranges->count) || + (ranges->range[i].first != + (ranges->range[i - 1].last + 1))) { + break; + } + } + return false; +} + +static bool reg_read_allowed(const struct ab3550_reg_ranges *ranges, u8 reg) +{ + return page_read_allowed(ranges, reg, reg); +} + +/* + * The exported register access functionality. + */ +int ab3550_get_chip_id(struct device *dev) +{ + struct ab3550 *ab = dev_get_drvdata(dev->parent); + return (int)ab->chip_id; +} + +int ab3550_mask_and_set_register_interruptible(struct device *dev, u8 bank, + u8 reg, u8 bitmask, u8 bitvalues) +{ + struct ab3550 *ab; + struct platform_device *pdev = to_platform_device(dev); + + if ((AB3550_NUM_BANKS <= bank) || + !reg_write_allowed(&ab3550_reg_ranges[pdev->id][bank], reg)) + return -EINVAL; + + ab = dev_get_drvdata(dev->parent); + return mask_and_set_register_interruptible(ab, bank, reg, + bitmask, bitvalues); +} + +int ab3550_set_register_interruptible(struct device *dev, u8 bank, u8 reg, + u8 value) +{ + return ab3550_mask_and_set_register_interruptible(dev, bank, reg, 0xFF, + value); +} + +int ab3550_get_register_interruptible(struct device *dev, u8 bank, u8 reg, + u8 *value) +{ + struct ab3550 *ab; + struct platform_device *pdev = to_platform_device(dev); + + if ((AB3550_NUM_BANKS <= bank) || + !reg_read_allowed(&ab3550_reg_ranges[pdev->id][bank], reg)) + return -EINVAL; + + ab = dev_get_drvdata(dev->parent); + return get_register_interruptible(ab, bank, reg, value); +} + +int ab3550_get_register_page_interruptible(struct device *dev, u8 bank, + u8 first_reg, u8 *regvals, u8 numregs) +{ + struct ab3550 *ab; + struct platform_device *pdev = to_platform_device(dev); + + if ((AB3550_NUM_BANKS <= bank) || + !page_read_allowed(&ab3550_reg_ranges[pdev->id][bank], + first_reg, (first_reg + numregs - 1))) + return -EINVAL; + + ab = dev_get_drvdata(dev->parent); + return get_register_page_interruptible(ab, bank, first_reg, regvals, + numregs); +} + +int ab3550_event_registers_startup_state_get(struct device *dev, u8 *event) +{ + struct ab3550 *ab; + + ab = dev_get_drvdata(dev->parent); + if (!ab->startup_events_read) + return -EAGAIN; /* Try again later */ + + memcpy(event, ab->startup_events, AB3550_NUM_EVENT_REG); + return 0; +} + +int ab3550_startup_irq_enabled(struct device *dev, unsigned int irq) +{ + struct ab3550 *ab; + struct ab3550_platform_data *plf_data; + bool val; + + ab = get_irq_chip_data(irq); + plf_data = ab->i2c_client[0]->dev.platform_data; + irq -= plf_data->irq.base; + val = ((ab->startup_events[irq / 8] & BIT(irq % 8)) != 0); + + return val; +} + +static struct abx500_ops ab3550_ops = { + .get_chip_id = ab3550_get_chip_id, + .get_register = ab3550_get_register_interruptible, + .set_register = ab3550_set_register_interruptible, + .get_register_page = ab3550_get_register_page_interruptible, + .set_register_page = NULL, + .mask_and_set_register = ab3550_mask_and_set_register_interruptible, + .event_registers_startup_state_get = + ab3550_event_registers_startup_state_get, + .startup_irq_enabled = ab3550_startup_irq_enabled, +}; + +static irqreturn_t ab3550_irq_handler(int irq, void *data) +{ + struct ab3550 *ab = data; + int err; + unsigned int i; + u8 e[AB3550_NUM_EVENT_REG]; + u8 *events; + unsigned long flags; + + events = (ab->startup_events_read ? e : ab->startup_events); + + err = get_register_page_interruptible(ab, AB3550_EVENT_BANK, + AB3550_EVENT_REG, events, AB3550_NUM_EVENT_REG); + if (err) + goto err_event_rd; + + if (!ab->startup_events_read) { + dev_info(&ab->i2c_client[0]->dev, + "startup events 0x%x,0x%x,0x%x,0x%x,0x%x\n", + ab->startup_events[0], ab->startup_events[1], + ab->startup_events[2], ab->startup_events[3], + ab->startup_events[4]); + ab->startup_events_read = true; + goto out; + } + + /* The two highest bits in event[4] are not used. */ + events[4] &= 0x3f; + + spin_lock_irqsave(&ab->event_lock, flags); + for (i = 0; i < AB3550_NUM_EVENT_REG; i++) + events[i] &= ~ab->event_mask[i]; + spin_unlock_irqrestore(&ab->event_lock, flags); + + for (i = 0; i < AB3550_NUM_EVENT_REG; i++) { + u8 bit; + u8 event_reg; + + dev_dbg(&ab->i2c_client[0]->dev, "IRQ Event[%d]: 0x%2x\n", + i, events[i]); + + event_reg = events[i]; + for (bit = 0; event_reg; bit++, event_reg /= 2) { + if (event_reg % 2) { + unsigned int irq; + struct ab3550_platform_data *plf_data; + + plf_data = ab->i2c_client[0]->dev.platform_data; + irq = plf_data->irq.base + (i * 8) + bit; + handle_nested_irq(irq); + } + } + } +out: + return IRQ_HANDLED; + +err_event_rd: + dev_dbg(&ab->i2c_client[0]->dev, "error reading event registers\n"); + return IRQ_HANDLED; +} + +#ifdef CONFIG_DEBUG_FS +static struct ab3550_reg_ranges debug_ranges[AB3550_NUM_BANKS] = { + { + .count = 6, + .range = (struct ab3550_reg_range[]) { + { + .first = 0x00, + .last = 0x0e, + }, + { + .first = 0x10, + .last = 0x1a, + }, + { + .first = 0x1e, + .last = 0x4f, + }, + { + .first = 0x51, + .last = 0x63, + }, + { + .first = 0x65, + .last = 0xa3, + }, + { + .first = 0xa5, + .last = 0xa8, + }, + } + }, + { + .count = 8, + .range = (struct ab3550_reg_range[]) { + { + .first = 0x00, + .last = 0x0e, + }, + { + .first = 0x10, + .last = 0x17, + }, + { + .first = 0x1a, + .last = 0x1c, + }, + { + .first = 0x20, + .last = 0x56, + }, + { + .first = 0x5a, + .last = 0x88, + }, + { + .first = 0x8a, + .last = 0xad, + }, + { + .first = 0xb0, + .last = 0xba, + }, + { + .first = 0xbc, + .last = 0xc3, + }, + } + }, +}; + +static int ab3550_registers_print(struct seq_file *s, void *p) +{ + struct ab3550 *ab = s->private; + int bank; + + seq_printf(s, AB3550_NAME_STRING " register values:\n"); + + for (bank = 0; bank < AB3550_NUM_BANKS; bank++) { + unsigned int i; + + seq_printf(s, " bank %d:\n", bank); + for (i = 0; i < debug_ranges[bank].count; i++) { + u8 reg; + + for (reg = debug_ranges[bank].range[i].first; + reg <= debug_ranges[bank].range[i].last; + reg++) { + u8 value; + + get_register_interruptible(ab, bank, reg, + &value); + seq_printf(s, " [%d/0x%02X]: 0x%02X\n", bank, + reg, value); + } + } + } + return 0; +} + +static int ab3550_registers_open(struct inode *inode, struct file *file) +{ + return single_open(file, ab3550_registers_print, inode->i_private); +} + +static const struct file_operations ab3550_registers_fops = { + .open = ab3550_registers_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .owner = THIS_MODULE, +}; + +static int ab3550_bank_print(struct seq_file *s, void *p) +{ + struct ab3550 *ab = s->private; + + seq_printf(s, "%d\n", ab->debug_bank); + return 0; +} + +static int ab3550_bank_open(struct inode *inode, struct file *file) +{ + return single_open(file, ab3550_bank_print, inode->i_private); +} + +static ssize_t ab3550_bank_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ab3550 *ab = ((struct seq_file *)(file->private_data))->private; + char buf[32]; + int buf_size; + unsigned long user_bank; + int err; + + /* Get userspace string and assure termination */ + buf_size = min(count, (sizeof(buf) - 1)); + if (copy_from_user(buf, user_buf, buf_size)) + return -EFAULT; + buf[buf_size] = 0; + + err = strict_strtoul(buf, 0, &user_bank); + if (err) + return -EINVAL; + + if (user_bank >= AB3550_NUM_BANKS) { + dev_err(&ab->i2c_client[0]->dev, + "debugfs error input > number of banks\n"); + return -EINVAL; + } + + ab->debug_bank = user_bank; + + return buf_size; +} + +static int ab3550_address_print(struct seq_file *s, void *p) +{ + struct ab3550 *ab = s->private; + + seq_printf(s, "0x%02X\n", ab->debug_address); + return 0; +} + +static int ab3550_address_open(struct inode *inode, struct file *file) +{ + return single_open(file, ab3550_address_print, inode->i_private); +} + +static ssize_t ab3550_address_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ab3550 *ab = ((struct seq_file *)(file->private_data))->private; + char buf[32]; + int buf_size; + unsigned long user_address; + int err; + + /* Get userspace string and assure termination */ + buf_size = min(count, (sizeof(buf) - 1)); + if (copy_from_user(buf, user_buf, buf_size)) + return -EFAULT; + buf[buf_size] = 0; + + err = strict_strtoul(buf, 0, &user_address); + if (err) + return -EINVAL; + if (user_address > 0xff) { + dev_err(&ab->i2c_client[0]->dev, + "debugfs error input > 0xff\n"); + return -EINVAL; + } + ab->debug_address = user_address; + return buf_size; +} + +static int ab3550_val_print(struct seq_file *s, void *p) +{ + struct ab3550 *ab = s->private; + int err; + u8 regvalue; + + err = get_register_interruptible(ab, (u8)ab->debug_bank, + (u8)ab->debug_address, ®value); + if (err) + return -EINVAL; + seq_printf(s, "0x%02X\n", regvalue); + + return 0; +} + +static int ab3550_val_open(struct inode *inode, struct file *file) +{ + return single_open(file, ab3550_val_print, inode->i_private); +} + +static ssize_t ab3550_val_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ab3550 *ab = ((struct seq_file *)(file->private_data))->private; + char buf[32]; + int buf_size; + unsigned long user_val; + int err; + u8 regvalue; + + /* Get userspace string and assure termination */ + buf_size = min(count, (sizeof(buf)-1)); + if (copy_from_user(buf, user_buf, buf_size)) + return -EFAULT; + buf[buf_size] = 0; + + err = strict_strtoul(buf, 0, &user_val); + if (err) + return -EINVAL; + if (user_val > 0xff) { + dev_err(&ab->i2c_client[0]->dev, + "debugfs error input > 0xff\n"); + return -EINVAL; + } + err = mask_and_set_register_interruptible( + ab, (u8)ab->debug_bank, + (u8)ab->debug_address, 0xFF, (u8)user_val); + if (err) + return -EINVAL; + + get_register_interruptible(ab, (u8)ab->debug_bank, + (u8)ab->debug_address, ®value); + if (err) + return -EINVAL; + + return buf_size; +} + +static const struct file_operations ab3550_bank_fops = { + .open = ab3550_bank_open, + .write = ab3550_bank_write, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .owner = THIS_MODULE, +}; + +static const struct file_operations ab3550_address_fops = { + .open = ab3550_address_open, + .write = ab3550_address_write, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .owner = THIS_MODULE, +}; + +static const struct file_operations ab3550_val_fops = { + .open = ab3550_val_open, + .write = ab3550_val_write, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .owner = THIS_MODULE, +}; + +static struct dentry *ab3550_dir; +static struct dentry *ab3550_reg_file; +static struct dentry *ab3550_bank_file; +static struct dentry *ab3550_address_file; +static struct dentry *ab3550_val_file; + +static inline void ab3550_setup_debugfs(struct ab3550 *ab) +{ + ab->debug_bank = 0; + ab->debug_address = 0x00; + + ab3550_dir = debugfs_create_dir(AB3550_NAME_STRING, NULL); + if (!ab3550_dir) + goto exit_no_debugfs; + + ab3550_reg_file = debugfs_create_file("all-registers", + S_IRUGO, ab3550_dir, ab, &ab3550_registers_fops); + if (!ab3550_reg_file) + goto exit_destroy_dir; + + ab3550_bank_file = debugfs_create_file("register-bank", + (S_IRUGO | S_IWUGO), ab3550_dir, ab, &ab3550_bank_fops); + if (!ab3550_bank_file) + goto exit_destroy_reg; + + ab3550_address_file = debugfs_create_file("register-address", + (S_IRUGO | S_IWUGO), ab3550_dir, ab, &ab3550_address_fops); + if (!ab3550_address_file) + goto exit_destroy_bank; + + ab3550_val_file = debugfs_create_file("register-value", + (S_IRUGO | S_IWUGO), ab3550_dir, ab, &ab3550_val_fops); + if (!ab3550_val_file) + goto exit_destroy_address; + + return; + +exit_destroy_address: + debugfs_remove(ab3550_address_file); +exit_destroy_bank: + debugfs_remove(ab3550_bank_file); +exit_destroy_reg: + debugfs_remove(ab3550_reg_file); +exit_destroy_dir: + debugfs_remove(ab3550_dir); +exit_no_debugfs: + dev_err(&ab->i2c_client[0]->dev, "failed to create debugfs entries.\n"); + return; +} + +static inline void ab3550_remove_debugfs(void) +{ + debugfs_remove(ab3550_val_file); + debugfs_remove(ab3550_address_file); + debugfs_remove(ab3550_bank_file); + debugfs_remove(ab3550_reg_file); + debugfs_remove(ab3550_dir); +} + +#else /* !CONFIG_DEBUG_FS */ +static inline void ab3550_setup_debugfs(struct ab3550 *ab) +{ +} +static inline void ab3550_remove_debugfs(void) +{ +} +#endif + +/* + * Basic set-up, datastructure creation/destruction and I2C interface. + * This sets up a default config in the AB3550 chip so that it + * will work as expected. + */ +static int __init ab3550_setup(struct ab3550 *ab) +{ + int err = 0; + int i; + struct ab3550_platform_data *plf_data; + struct abx500_init_settings *settings; + + plf_data = ab->i2c_client[0]->dev.platform_data; + settings = plf_data->init_settings; + + for (i = 0; i < plf_data->init_settings_sz; i++) { + err = mask_and_set_register_interruptible(ab, + settings[i].bank, + settings[i].reg, + 0xFF, settings[i].setting); + if (err) + goto exit_no_setup; + + /* If event mask register update the event mask in ab3550 */ + if ((settings[i].bank == 0) && + (AB3550_IMR1 <= settings[i].reg) && + (settings[i].reg <= AB3550_IMR5)) { + ab->event_mask[settings[i].reg - AB3550_IMR1] = + settings[i].setting; + } + } +exit_no_setup: + return err; +} + +static void ab3550_mask_work(struct work_struct *work) +{ + struct ab3550 *ab = container_of(work, struct ab3550, mask_work); + int i; + unsigned long flags; + u8 mask[AB3550_NUM_EVENT_REG]; + + spin_lock_irqsave(&ab->event_lock, flags); + for (i = 0; i < AB3550_NUM_EVENT_REG; i++) + mask[i] = ab->event_mask[i]; + spin_unlock_irqrestore(&ab->event_lock, flags); + + for (i = 0; i < AB3550_NUM_EVENT_REG; i++) { + int err; + + err = mask_and_set_register_interruptible(ab, 0, + (AB3550_IMR1 + i), ~0, mask[i]); + if (err) + dev_err(&ab->i2c_client[0]->dev, + "ab3550_mask_work failed 0x%x,0x%x\n", + (AB3550_IMR1 + i), mask[i]); + } +} + +static void ab3550_mask(unsigned int irq) +{ + unsigned long flags; + struct ab3550 *ab; + struct ab3550_platform_data *plf_data; + + ab = get_irq_chip_data(irq); + plf_data = ab->i2c_client[0]->dev.platform_data; + irq -= plf_data->irq.base; + + spin_lock_irqsave(&ab->event_lock, flags); + ab->event_mask[irq / 8] |= BIT(irq % 8); + spin_unlock_irqrestore(&ab->event_lock, flags); + + schedule_work(&ab->mask_work); +} + +static void ab3550_unmask(unsigned int irq) +{ + unsigned long flags; + struct ab3550 *ab; + struct ab3550_platform_data *plf_data; + + ab = get_irq_chip_data(irq); + plf_data = ab->i2c_client[0]->dev.platform_data; + irq -= plf_data->irq.base; + + spin_lock_irqsave(&ab->event_lock, flags); + ab->event_mask[irq / 8] &= ~BIT(irq % 8); + spin_unlock_irqrestore(&ab->event_lock, flags); + + schedule_work(&ab->mask_work); +} + +static void noop(unsigned int irq) +{ +} + +static struct irq_chip ab3550_irq_chip = { + .name = "ab3550-core", /* Keep the same name as the request */ + .startup = NULL, /* defaults to enable */ + .shutdown = NULL, /* defaults to disable */ + .enable = NULL, /* defaults to unmask */ + .disable = ab3550_mask, /* No default to mask in chip.c */ + .ack = noop, + .mask = ab3550_mask, + .unmask = ab3550_unmask, + .end = NULL, +}; + +struct ab_family_id { + u8 id; + char *name; +}; + +static const struct ab_family_id ids[] __initdata = { + /* AB3550 */ + { + .id = AB3550_P1A, + .name = "P1A" + }, + /* Terminator */ + { + .id = 0x00, + } +}; + +static int __init ab3550_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct ab3550 *ab; + struct ab3550_platform_data *ab3550_plf_data = + client->dev.platform_data; + int err; + int i; + int num_i2c_clients = 0; + + ab = kzalloc(sizeof(struct ab3550), GFP_KERNEL); + if (!ab) { + dev_err(&client->dev, + "could not allocate " AB3550_NAME_STRING " device\n"); + return -ENOMEM; + } + + /* Initialize data structure */ + mutex_init(&ab->access_mutex); + spin_lock_init(&ab->event_lock); + ab->i2c_client[0] = client; + + i2c_set_clientdata(client, ab); + + /* Read chip ID register */ + err = get_register_interruptible(ab, 0, AB3550_CID_REG, &ab->chip_id); + if (err) { + dev_err(&client->dev, "could not communicate with the analog " + "baseband chip\n"); + goto exit_no_detect; + } + + for (i = 0; ids[i].id != 0x0; i++) { + if (ids[i].id == ab->chip_id) { + snprintf(&ab->chip_name[0], sizeof(ab->chip_name) - 1, + AB3550_ID_FORMAT_STRING, ids[i].name); + break; + } + } + + if (ids[i].id == 0x0) { + dev_err(&client->dev, "unknown analog baseband chip id: 0x%x\n", + ab->chip_id); + dev_err(&client->dev, "driver not started!\n"); + goto exit_no_detect; + } + + dev_info(&client->dev, "detected AB chip: %s\n", &ab->chip_name[0]); + + /* Attach other dummy I2C clients. */ + while (++num_i2c_clients < AB3550_NUM_BANKS) { + ab->i2c_client[num_i2c_clients] = + i2c_new_dummy(client->adapter, + (client->addr + num_i2c_clients)); + if (!ab->i2c_client[num_i2c_clients]) { + err = -ENOMEM; + goto exit_no_dummy_client; + } + strlcpy(ab->i2c_client[num_i2c_clients]->name, id->name, + sizeof(ab->i2c_client[num_i2c_clients]->name)); + } + + err = ab3550_setup(ab); + if (err) + goto exit_no_setup; + + INIT_WORK(&ab->mask_work, ab3550_mask_work); + + for (i = 0; i < ab3550_plf_data->irq.count; i++) { + unsigned int irq; + + irq = ab3550_plf_data->irq.base + i; + set_irq_chip_data(irq, ab); + set_irq_chip_and_handler(irq, &ab3550_irq_chip, + handle_simple_irq); + set_irq_nested_thread(irq, 1); +#ifdef CONFIG_ARM + set_irq_flags(irq, IRQF_VALID); +#else + set_irq_noprobe(irq); +#endif + } + + err = request_threaded_irq(client->irq, NULL, ab3550_irq_handler, + IRQF_ONESHOT, "ab3550-core", ab); + /* This real unpredictable IRQ is of course sampled for entropy */ + rand_initialize_irq(client->irq); + + if (err) + goto exit_no_irq; + + err = abx500_register_ops(&client->dev, &ab3550_ops); + if (err) + goto exit_no_ops; + + /* Set up and register the platform devices. */ + for (i = 0; i < AB3550_NUM_DEVICES; i++) { + ab3550_devs[i].platform_data = ab3550_plf_data->dev_data[i]; + ab3550_devs[i].data_size = ab3550_plf_data->dev_data_sz[i]; + } + + err = mfd_add_devices(&client->dev, 0, ab3550_devs, + ARRAY_SIZE(ab3550_devs), NULL, + ab3550_plf_data->irq.base); + + ab3550_setup_debugfs(ab); + + return 0; + +exit_no_ops: +exit_no_irq: +exit_no_setup: +exit_no_dummy_client: + /* Unregister the dummy i2c clients. */ + while (--num_i2c_clients) + i2c_unregister_device(ab->i2c_client[num_i2c_clients]); +exit_no_detect: + kfree(ab); + return err; +} + +static int __exit ab3550_remove(struct i2c_client *client) +{ + struct ab3550 *ab = i2c_get_clientdata(client); + int num_i2c_clients = AB3550_NUM_BANKS; + + mfd_remove_devices(&client->dev); + ab3550_remove_debugfs(); + + while (--num_i2c_clients) + i2c_unregister_device(ab->i2c_client[num_i2c_clients]); + + /* + * At this point, all subscribers should have unregistered + * their notifiers so deactivate IRQ + */ + free_irq(client->irq, ab); + i2c_set_clientdata(client, NULL); + kfree(ab); + return 0; +} + +static const struct i2c_device_id ab3550_id[] = { + {AB3550_NAME_STRING, 0}, + {} +}; +MODULE_DEVICE_TABLE(i2c, ab3550_id); + +static struct i2c_driver ab3550_driver = { + .driver = { + .name = AB3550_NAME_STRING, + .owner = THIS_MODULE, + }, + .id_table = ab3550_id, + .probe = ab3550_probe, + .remove = __exit_p(ab3550_remove), +}; + +static int __init ab3550_i2c_init(void) +{ + return i2c_add_driver(&ab3550_driver); +} + +static void __exit ab3550_i2c_exit(void) +{ + i2c_del_driver(&ab3550_driver); +} + +subsys_initcall(ab3550_i2c_init); +module_exit(ab3550_i2c_exit); + +MODULE_AUTHOR("Mattias Wallin <mattias.wallin@stericsson.com>"); +MODULE_DESCRIPTION("AB3550 core driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/mfd/ab4500-core.c b/drivers/mfd/ab4500-core.c deleted file mode 100644 index c275daa3ab1a..000000000000 --- a/drivers/mfd/ab4500-core.c +++ /dev/null @@ -1,209 +0,0 @@ -/* - * Copyright (C) 2009 ST-Ericsson - * - * Author: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com> - * - * This program is free software; you can redistribute it - * and/or modify it under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation. - * - * AB4500 is a companion power management chip used with U8500. - * On this platform, this is interfaced with SSP0 controller - * which is a ARM primecell pl022. - * - * At the moment the module just exports read/write features. - * Interrupt management to be added - TODO. - */ -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/spi/spi.h> -#include <linux/mfd/ab4500.h> - -/* just required if probe fails, we need to - * unregister the device - */ -static struct spi_driver ab4500_driver; - -/* - * This funtion writes to any AB4500 registers using - * SPI protocol & before it writes it packs the data - * in the below 24 bit frame format - * - * *|------------------------------------| - * *| 23|22...18|17.......10|9|8|7......0| - * *| r/w bank adr data | - * * ------------------------------------ - * - * This function shouldn't be called from interrupt - * context - */ -int ab4500_write(struct ab4500 *ab4500, unsigned char block, - unsigned long addr, unsigned char data) -{ - struct spi_transfer xfer; - struct spi_message msg; - int err; - unsigned long spi_data = - block << 18 | addr << 10 | data; - - mutex_lock(&ab4500->lock); - ab4500->tx_buf[0] = spi_data; - ab4500->rx_buf[0] = 0; - - xfer.tx_buf = ab4500->tx_buf; - xfer.rx_buf = NULL; - xfer.len = sizeof(unsigned long); - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - - err = spi_sync(ab4500->spi, &msg); - mutex_unlock(&ab4500->lock); - - return err; -} -EXPORT_SYMBOL(ab4500_write); - -int ab4500_read(struct ab4500 *ab4500, unsigned char block, - unsigned long addr) -{ - struct spi_transfer xfer; - struct spi_message msg; - unsigned long spi_data = - 1 << 23 | block << 18 | addr << 10; - - mutex_lock(&ab4500->lock); - ab4500->tx_buf[0] = spi_data; - ab4500->rx_buf[0] = 0; - - xfer.tx_buf = ab4500->tx_buf; - xfer.rx_buf = ab4500->rx_buf; - xfer.len = sizeof(unsigned long); - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - - spi_sync(ab4500->spi, &msg); - mutex_unlock(&ab4500->lock); - - return ab4500->rx_buf[0]; -} -EXPORT_SYMBOL(ab4500_read); - -/* ref: ab3100 core */ -#define AB4500_DEVICE(devname, devid) \ -static struct platform_device ab4500_##devname##_device = { \ - .name = devid, \ - .id = -1, \ -} - -/* list of childern devices of ab4500 - all are - * not populated here - TODO - */ -AB4500_DEVICE(charger, "ab4500-charger"); -AB4500_DEVICE(audio, "ab4500-audio"); -AB4500_DEVICE(usb, "ab4500-usb"); -AB4500_DEVICE(tvout, "ab4500-tvout"); -AB4500_DEVICE(sim, "ab4500-sim"); -AB4500_DEVICE(gpadc, "ab4500-gpadc"); -AB4500_DEVICE(clkmgt, "ab4500-clkmgt"); -AB4500_DEVICE(misc, "ab4500-misc"); - -static struct platform_device *ab4500_platform_devs[] = { - &ab4500_charger_device, - &ab4500_audio_device, - &ab4500_usb_device, - &ab4500_tvout_device, - &ab4500_sim_device, - &ab4500_gpadc_device, - &ab4500_clkmgt_device, - &ab4500_misc_device, -}; - -static int __init ab4500_probe(struct spi_device *spi) -{ - struct ab4500 *ab4500; - unsigned char revision; - int err = 0; - int i; - - ab4500 = kzalloc(sizeof *ab4500, GFP_KERNEL); - if (!ab4500) { - dev_err(&spi->dev, "could not allocate AB4500\n"); - err = -ENOMEM; - goto not_detect; - } - - ab4500->spi = spi; - spi_set_drvdata(spi, ab4500); - - mutex_init(&ab4500->lock); - - /* read the revision register */ - revision = ab4500_read(ab4500, AB4500_MISC, AB4500_REV_REG); - - /* revision id 0x0 is for early drop, 0x10 is for cut1.0 */ - if (revision == 0x0 || revision == 0x10) - dev_info(&spi->dev, "Detected chip: %s, revision = %x\n", - ab4500_driver.driver.name, revision); - else { - dev_err(&spi->dev, "unknown chip: 0x%x\n", revision); - goto not_detect; - } - - for (i = 0; i < ARRAY_SIZE(ab4500_platform_devs); i++) { - ab4500_platform_devs[i]->dev.parent = - &spi->dev; - platform_set_drvdata(ab4500_platform_devs[i], ab4500); - } - - /* register the ab4500 platform devices */ - platform_add_devices(ab4500_platform_devs, - ARRAY_SIZE(ab4500_platform_devs)); - - return err; - - not_detect: - spi_unregister_driver(&ab4500_driver); - kfree(ab4500); - return err; -} - -static int __devexit ab4500_remove(struct spi_device *spi) -{ - struct ab4500 *ab4500 = - spi_get_drvdata(spi); - - kfree(ab4500); - - return 0; -} - -static struct spi_driver ab4500_driver = { - .driver = { - .name = "ab4500", - .owner = THIS_MODULE, - }, - .probe = ab4500_probe, - .remove = __devexit_p(ab4500_remove) -}; - -static int __devinit ab4500_init(void) -{ - return spi_register_driver(&ab4500_driver); -} - -static void __exit ab4500_exit(void) -{ - spi_unregister_driver(&ab4500_driver); -} - -subsys_initcall(ab4500_init); -module_exit(ab4500_exit); - -MODULE_AUTHOR("Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com"); -MODULE_DESCRIPTION("AB4500 core driver"); -MODULE_LICENSE("GPL"); diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c new file mode 100644 index 000000000000..f3d26fa9c34d --- /dev/null +++ b/drivers/mfd/ab8500-core.c @@ -0,0 +1,444 @@ +/* + * Copyright (C) ST-Ericsson SA 2010 + * + * License Terms: GNU General Public License v2 + * Author: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> + * Author: Rabin Vincent <rabin.vincent@stericsson.com> + */ + +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/mfd/core.h> +#include <linux/mfd/ab8500.h> + +/* + * Interrupt register offsets + * Bank : 0x0E + */ +#define AB8500_IT_SOURCE1_REG 0x0E00 +#define AB8500_IT_SOURCE2_REG 0x0E01 +#define AB8500_IT_SOURCE3_REG 0x0E02 +#define AB8500_IT_SOURCE4_REG 0x0E03 +#define AB8500_IT_SOURCE5_REG 0x0E04 +#define AB8500_IT_SOURCE6_REG 0x0E05 +#define AB8500_IT_SOURCE7_REG 0x0E06 +#define AB8500_IT_SOURCE8_REG 0x0E07 +#define AB8500_IT_SOURCE19_REG 0x0E12 +#define AB8500_IT_SOURCE20_REG 0x0E13 +#define AB8500_IT_SOURCE21_REG 0x0E14 +#define AB8500_IT_SOURCE22_REG 0x0E15 +#define AB8500_IT_SOURCE23_REG 0x0E16 +#define AB8500_IT_SOURCE24_REG 0x0E17 + +/* + * latch registers + */ +#define AB8500_IT_LATCH1_REG 0x0E20 +#define AB8500_IT_LATCH2_REG 0x0E21 +#define AB8500_IT_LATCH3_REG 0x0E22 +#define AB8500_IT_LATCH4_REG 0x0E23 +#define AB8500_IT_LATCH5_REG 0x0E24 +#define AB8500_IT_LATCH6_REG 0x0E25 +#define AB8500_IT_LATCH7_REG 0x0E26 +#define AB8500_IT_LATCH8_REG 0x0E27 +#define AB8500_IT_LATCH9_REG 0x0E28 +#define AB8500_IT_LATCH10_REG 0x0E29 +#define AB8500_IT_LATCH19_REG 0x0E32 +#define AB8500_IT_LATCH20_REG 0x0E33 +#define AB8500_IT_LATCH21_REG 0x0E34 +#define AB8500_IT_LATCH22_REG 0x0E35 +#define AB8500_IT_LATCH23_REG 0x0E36 +#define AB8500_IT_LATCH24_REG 0x0E37 + +/* + * mask registers + */ + +#define AB8500_IT_MASK1_REG 0x0E40 +#define AB8500_IT_MASK2_REG 0x0E41 +#define AB8500_IT_MASK3_REG 0x0E42 +#define AB8500_IT_MASK4_REG 0x0E43 +#define AB8500_IT_MASK5_REG 0x0E44 +#define AB8500_IT_MASK6_REG 0x0E45 +#define AB8500_IT_MASK7_REG 0x0E46 +#define AB8500_IT_MASK8_REG 0x0E47 +#define AB8500_IT_MASK9_REG 0x0E48 +#define AB8500_IT_MASK10_REG 0x0E49 +#define AB8500_IT_MASK11_REG 0x0E4A +#define AB8500_IT_MASK12_REG 0x0E4B +#define AB8500_IT_MASK13_REG 0x0E4C +#define AB8500_IT_MASK14_REG 0x0E4D +#define AB8500_IT_MASK15_REG 0x0E4E +#define AB8500_IT_MASK16_REG 0x0E4F +#define AB8500_IT_MASK17_REG 0x0E50 +#define AB8500_IT_MASK18_REG 0x0E51 +#define AB8500_IT_MASK19_REG 0x0E52 +#define AB8500_IT_MASK20_REG 0x0E53 +#define AB8500_IT_MASK21_REG 0x0E54 +#define AB8500_IT_MASK22_REG 0x0E55 +#define AB8500_IT_MASK23_REG 0x0E56 +#define AB8500_IT_MASK24_REG 0x0E57 + +#define AB8500_REV_REG 0x1080 + +/* + * Map interrupt numbers to the LATCH and MASK register offsets, Interrupt + * numbers are indexed into this array with (num / 8). + * + * This is one off from the register names, i.e. AB8500_IT_MASK1_REG is at + * offset 0. + */ +static const int ab8500_irq_regoffset[AB8500_NUM_IRQ_REGS] = { + 0, 1, 2, 3, 4, 6, 7, 8, 9, 18, 19, 20, 21, +}; + +static int __ab8500_write(struct ab8500 *ab8500, u16 addr, u8 data) +{ + int ret; + + dev_vdbg(ab8500->dev, "wr: addr %#x <= %#x\n", addr, data); + + ret = ab8500->write(ab8500, addr, data); + if (ret < 0) + dev_err(ab8500->dev, "failed to write reg %#x: %d\n", + addr, ret); + + return ret; +} + +/** + * ab8500_write() - write an AB8500 register + * @ab8500: device to write to + * @addr: address of the register + * @data: value to write + */ +int ab8500_write(struct ab8500 *ab8500, u16 addr, u8 data) +{ + int ret; + + mutex_lock(&ab8500->lock); + ret = __ab8500_write(ab8500, addr, data); + mutex_unlock(&ab8500->lock); + + return ret; +} +EXPORT_SYMBOL_GPL(ab8500_write); + +static int __ab8500_read(struct ab8500 *ab8500, u16 addr) +{ + int ret; + + ret = ab8500->read(ab8500, addr); + if (ret < 0) + dev_err(ab8500->dev, "failed to read reg %#x: %d\n", + addr, ret); + + dev_vdbg(ab8500->dev, "rd: addr %#x => data %#x\n", addr, ret); + + return ret; +} + +/** + * ab8500_read() - read an AB8500 register + * @ab8500: device to read from + * @addr: address of the register + */ +int ab8500_read(struct ab8500 *ab8500, u16 addr) +{ + int ret; + + mutex_lock(&ab8500->lock); + ret = __ab8500_read(ab8500, addr); + mutex_unlock(&ab8500->lock); + + return ret; +} +EXPORT_SYMBOL_GPL(ab8500_read); + +/** + * ab8500_set_bits() - set a bitfield in an AB8500 register + * @ab8500: device to read from + * @addr: address of the register + * @mask: mask of the bitfield to modify + * @data: value to set to the bitfield + */ +int ab8500_set_bits(struct ab8500 *ab8500, u16 addr, u8 mask, u8 data) +{ + int ret; + + mutex_lock(&ab8500->lock); + + ret = __ab8500_read(ab8500, addr); + if (ret < 0) + goto out; + + ret &= ~mask; + ret |= data; + + ret = __ab8500_write(ab8500, addr, ret); + +out: + mutex_unlock(&ab8500->lock); + return ret; +} +EXPORT_SYMBOL_GPL(ab8500_set_bits); + +static void ab8500_irq_lock(unsigned int irq) +{ + struct ab8500 *ab8500 = get_irq_chip_data(irq); + + mutex_lock(&ab8500->irq_lock); +} + +static void ab8500_irq_sync_unlock(unsigned int irq) +{ + struct ab8500 *ab8500 = get_irq_chip_data(irq); + int i; + + for (i = 0; i < AB8500_NUM_IRQ_REGS; i++) { + u8 old = ab8500->oldmask[i]; + u8 new = ab8500->mask[i]; + int reg; + + if (new == old) + continue; + + ab8500->oldmask[i] = new; + + reg = AB8500_IT_MASK1_REG + ab8500_irq_regoffset[i]; + ab8500_write(ab8500, reg, new); + } + + mutex_unlock(&ab8500->irq_lock); +} + +static void ab8500_irq_mask(unsigned int irq) +{ + struct ab8500 *ab8500 = get_irq_chip_data(irq); + int offset = irq - ab8500->irq_base; + int index = offset / 8; + int mask = 1 << (offset % 8); + + ab8500->mask[index] |= mask; +} + +static void ab8500_irq_unmask(unsigned int irq) +{ + struct ab8500 *ab8500 = get_irq_chip_data(irq); + int offset = irq - ab8500->irq_base; + int index = offset / 8; + int mask = 1 << (offset % 8); + + ab8500->mask[index] &= ~mask; +} + +static struct irq_chip ab8500_irq_chip = { + .name = "ab8500", + .bus_lock = ab8500_irq_lock, + .bus_sync_unlock = ab8500_irq_sync_unlock, + .mask = ab8500_irq_mask, + .unmask = ab8500_irq_unmask, +}; + +static irqreturn_t ab8500_irq(int irq, void *dev) +{ + struct ab8500 *ab8500 = dev; + int i; + + dev_vdbg(ab8500->dev, "interrupt\n"); + + for (i = 0; i < AB8500_NUM_IRQ_REGS; i++) { + int regoffset = ab8500_irq_regoffset[i]; + int status; + + status = ab8500_read(ab8500, AB8500_IT_LATCH1_REG + regoffset); + if (status <= 0) + continue; + + do { + int bit = __ffs(status); + int line = i * 8 + bit; + + handle_nested_irq(ab8500->irq_base + line); + status &= ~(1 << bit); + } while (status); + } + + return IRQ_HANDLED; +} + +static int ab8500_irq_init(struct ab8500 *ab8500) +{ + int base = ab8500->irq_base; + int irq; + + for (irq = base; irq < base + AB8500_NR_IRQS; irq++) { + set_irq_chip_data(irq, ab8500); + set_irq_chip_and_handler(irq, &ab8500_irq_chip, + handle_simple_irq); + set_irq_nested_thread(irq, 1); +#ifdef CONFIG_ARM + set_irq_flags(irq, IRQF_VALID); +#else + set_irq_noprobe(irq); +#endif + } + + return 0; +} + +static void ab8500_irq_remove(struct ab8500 *ab8500) +{ + int base = ab8500->irq_base; + int irq; + + for (irq = base; irq < base + AB8500_NR_IRQS; irq++) { +#ifdef CONFIG_ARM + set_irq_flags(irq, 0); +#endif + set_irq_chip_and_handler(irq, NULL, NULL); + set_irq_chip_data(irq, NULL); + } +} + +static struct resource ab8500_gpadc_resources[] = { + { + .name = "HW_CONV_END", + .start = AB8500_INT_GP_HW_ADC_CONV_END, + .end = AB8500_INT_GP_HW_ADC_CONV_END, + .flags = IORESOURCE_IRQ, + }, + { + .name = "SW_CONV_END", + .start = AB8500_INT_GP_SW_ADC_CONV_END, + .end = AB8500_INT_GP_SW_ADC_CONV_END, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct resource ab8500_rtc_resources[] = { + { + .name = "60S", + .start = AB8500_INT_RTC_60S, + .end = AB8500_INT_RTC_60S, + .flags = IORESOURCE_IRQ, + }, + { + .name = "ALARM", + .start = AB8500_INT_RTC_ALARM, + .end = AB8500_INT_RTC_ALARM, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct mfd_cell ab8500_devs[] = { + { + .name = "ab8500-gpadc", + .num_resources = ARRAY_SIZE(ab8500_gpadc_resources), + .resources = ab8500_gpadc_resources, + }, + { + .name = "ab8500-rtc", + .num_resources = ARRAY_SIZE(ab8500_rtc_resources), + .resources = ab8500_rtc_resources, + }, + { .name = "ab8500-charger", }, + { .name = "ab8500-audio", }, + { .name = "ab8500-usb", }, + { .name = "ab8500-pwm", }, +}; + +int __devinit ab8500_init(struct ab8500 *ab8500) +{ + struct ab8500_platform_data *plat = dev_get_platdata(ab8500->dev); + int ret; + int i; + + if (plat) + ab8500->irq_base = plat->irq_base; + + mutex_init(&ab8500->lock); + mutex_init(&ab8500->irq_lock); + + ret = ab8500_read(ab8500, AB8500_REV_REG); + if (ret < 0) + return ret; + + /* + * 0x0 - Early Drop + * 0x10 - Cut 1.0 + * 0x11 - Cut 1.1 + */ + if (ret == 0x0 || ret == 0x10 || ret == 0x11) { + ab8500->revision = ret; + dev_info(ab8500->dev, "detected chip, revision: %#x\n", ret); + } else { + dev_err(ab8500->dev, "unknown chip, revision: %#x\n", ret); + return -EINVAL; + } + + if (plat && plat->init) + plat->init(ab8500); + + /* Clear and mask all interrupts */ + for (i = 0; i < 10; i++) { + ab8500_read(ab8500, AB8500_IT_LATCH1_REG + i); + ab8500_write(ab8500, AB8500_IT_MASK1_REG + i, 0xff); + } + + for (i = 18; i < 24; i++) { + ab8500_read(ab8500, AB8500_IT_LATCH1_REG + i); + ab8500_write(ab8500, AB8500_IT_MASK1_REG + i, 0xff); + } + + for (i = 0; i < AB8500_NUM_IRQ_REGS; i++) + ab8500->mask[i] = ab8500->oldmask[i] = 0xff; + + if (ab8500->irq_base) { + ret = ab8500_irq_init(ab8500); + if (ret) + return ret; + + ret = request_threaded_irq(ab8500->irq, NULL, ab8500_irq, + IRQF_ONESHOT, "ab8500", ab8500); + if (ret) + goto out_removeirq; + } + + ret = mfd_add_devices(ab8500->dev, -1, ab8500_devs, + ARRAY_SIZE(ab8500_devs), NULL, + ab8500->irq_base); + if (ret) + goto out_freeirq; + + return ret; + +out_freeirq: + if (ab8500->irq_base) { + free_irq(ab8500->irq, ab8500); +out_removeirq: + ab8500_irq_remove(ab8500); + } + return ret; +} + +int __devexit ab8500_exit(struct ab8500 *ab8500) +{ + mfd_remove_devices(ab8500->dev); + if (ab8500->irq_base) { + free_irq(ab8500->irq, ab8500); + ab8500_irq_remove(ab8500); + } + + return 0; +} + +MODULE_AUTHOR("Srinidhi Kasagar, Rabin Vincent"); +MODULE_DESCRIPTION("AB8500 MFD core"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/mfd/ab8500-spi.c b/drivers/mfd/ab8500-spi.c new file mode 100644 index 000000000000..b81d4f768ef6 --- /dev/null +++ b/drivers/mfd/ab8500-spi.c @@ -0,0 +1,133 @@ +/* + * Copyright (C) ST-Ericsson SA 2010 + * + * License Terms: GNU General Public License v2 + * Author: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> + */ + +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/spi/spi.h> +#include <linux/mfd/ab8500.h> + +/* + * This funtion writes to any AB8500 registers using + * SPI protocol & before it writes it packs the data + * in the below 24 bit frame format + * + * *|------------------------------------| + * *| 23|22...18|17.......10|9|8|7......0| + * *| r/w bank adr data | + * * ------------------------------------ + * + * This function shouldn't be called from interrupt + * context + */ +static int ab8500_spi_write(struct ab8500 *ab8500, u16 addr, u8 data) +{ + struct spi_device *spi = container_of(ab8500->dev, struct spi_device, + dev); + unsigned long spi_data = addr << 10 | data; + struct spi_transfer xfer; + struct spi_message msg; + + ab8500->tx_buf[0] = spi_data; + ab8500->rx_buf[0] = 0; + + xfer.tx_buf = ab8500->tx_buf; + xfer.rx_buf = NULL; + xfer.len = sizeof(unsigned long); + + spi_message_init(&msg); + spi_message_add_tail(&xfer, &msg); + + return spi_sync(spi, &msg); +} + +static int ab8500_spi_read(struct ab8500 *ab8500, u16 addr) +{ + struct spi_device *spi = container_of(ab8500->dev, struct spi_device, + dev); + unsigned long spi_data = 1 << 23 | addr << 10; + struct spi_transfer xfer; + struct spi_message msg; + int ret; + + ab8500->tx_buf[0] = spi_data; + ab8500->rx_buf[0] = 0; + + xfer.tx_buf = ab8500->tx_buf; + xfer.rx_buf = ab8500->rx_buf; + xfer.len = sizeof(unsigned long); + + spi_message_init(&msg); + spi_message_add_tail(&xfer, &msg); + + ret = spi_sync(spi, &msg); + if (!ret) + ret = ab8500->rx_buf[0]; + + return ret; +} + +static int __devinit ab8500_spi_probe(struct spi_device *spi) +{ + struct ab8500 *ab8500; + int ret; + + ab8500 = kzalloc(sizeof *ab8500, GFP_KERNEL); + if (!ab8500) + return -ENOMEM; + + ab8500->dev = &spi->dev; + ab8500->irq = spi->irq; + + ab8500->read = ab8500_spi_read; + ab8500->write = ab8500_spi_write; + + spi_set_drvdata(spi, ab8500); + + ret = ab8500_init(ab8500); + if (ret) + kfree(ab8500); + + return ret; +} + +static int __devexit ab8500_spi_remove(struct spi_device *spi) +{ + struct ab8500 *ab8500 = spi_get_drvdata(spi); + + ab8500_exit(ab8500); + kfree(ab8500); + + return 0; +} + +static struct spi_driver ab8500_spi_driver = { + .driver = { + .name = "ab8500", + .owner = THIS_MODULE, + }, + .probe = ab8500_spi_probe, + .remove = __devexit_p(ab8500_spi_remove) +}; + +static int __init ab8500_spi_init(void) +{ + return spi_register_driver(&ab8500_spi_driver); +} +subsys_initcall(ab8500_spi_init); + +static void __exit ab8500_spi_exit(void) +{ + spi_unregister_driver(&ab8500_spi_driver); +} +module_exit(ab8500_spi_exit); + +MODULE_AUTHOR("Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com"); +MODULE_DESCRIPTION("AB8500 SPI"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/mfd/abx500-core.c b/drivers/mfd/abx500-core.c new file mode 100644 index 000000000000..3b3b97ec32a7 --- /dev/null +++ b/drivers/mfd/abx500-core.c @@ -0,0 +1,157 @@ +/* + * Copyright (C) 2007-2010 ST-Ericsson + * License terms: GNU General Public License (GPL) version 2 + * Register access functions for the ABX500 Mixed Signal IC family. + * Author: Mattias Wallin <mattias.wallin@stericsson.com> + */ + +#include <linux/list.h> +#include <linux/slab.h> +#include <linux/err.h> +#include <linux/mfd/abx500.h> + +static LIST_HEAD(abx500_list); + +struct abx500_device_entry { + struct list_head list; + struct abx500_ops ops; + struct device *dev; +}; + +static void lookup_ops(struct device *dev, struct abx500_ops **ops) +{ + struct abx500_device_entry *dev_entry; + + *ops = NULL; + list_for_each_entry(dev_entry, &abx500_list, list) { + if (dev_entry->dev == dev) { + *ops = &dev_entry->ops; + return; + } + } +} + +int abx500_register_ops(struct device *dev, struct abx500_ops *ops) +{ + struct abx500_device_entry *dev_entry; + + dev_entry = kzalloc(sizeof(struct abx500_device_entry), GFP_KERNEL); + if (IS_ERR(dev_entry)) { + dev_err(dev, "register_ops kzalloc failed"); + return -ENOMEM; + } + dev_entry->dev = dev; + memcpy(&dev_entry->ops, ops, sizeof(struct abx500_ops)); + + list_add_tail(&dev_entry->list, &abx500_list); + return 0; +} +EXPORT_SYMBOL(abx500_register_ops); + +void abx500_remove_ops(struct device *dev) +{ + struct abx500_device_entry *dev_entry, *tmp; + + list_for_each_entry_safe(dev_entry, tmp, &abx500_list, list) + { + if (dev_entry->dev == dev) { + list_del(&dev_entry->list); + kfree(dev_entry); + } + } +} +EXPORT_SYMBOL(abx500_remove_ops); + +int abx500_set_register_interruptible(struct device *dev, u8 bank, u8 reg, + u8 value) +{ + struct abx500_ops *ops; + + lookup_ops(dev->parent, &ops); + if ((ops != NULL) && (ops->set_register != NULL)) + return ops->set_register(dev, bank, reg, value); + else + return -ENOTSUPP; +} +EXPORT_SYMBOL(abx500_set_register_interruptible); + +int abx500_get_register_interruptible(struct device *dev, u8 bank, u8 reg, + u8 *value) +{ + struct abx500_ops *ops; + + lookup_ops(dev->parent, &ops); + if ((ops != NULL) && (ops->get_register != NULL)) + return ops->get_register(dev, bank, reg, value); + else + return -ENOTSUPP; +} +EXPORT_SYMBOL(abx500_get_register_interruptible); + +int abx500_get_register_page_interruptible(struct device *dev, u8 bank, + u8 first_reg, u8 *regvals, u8 numregs) +{ + struct abx500_ops *ops; + + lookup_ops(dev->parent, &ops); + if ((ops != NULL) && (ops->get_register_page != NULL)) + return ops->get_register_page(dev, bank, + first_reg, regvals, numregs); + else + return -ENOTSUPP; +} +EXPORT_SYMBOL(abx500_get_register_page_interruptible); + +int abx500_mask_and_set_register_interruptible(struct device *dev, u8 bank, + u8 reg, u8 bitmask, u8 bitvalues) +{ + struct abx500_ops *ops; + + lookup_ops(dev->parent, &ops); + if ((ops != NULL) && (ops->mask_and_set_register != NULL)) + return ops->mask_and_set_register(dev, bank, + reg, bitmask, bitvalues); + else + return -ENOTSUPP; +} +EXPORT_SYMBOL(abx500_mask_and_set_register_interruptible); + +int abx500_get_chip_id(struct device *dev) +{ + struct abx500_ops *ops; + + lookup_ops(dev->parent, &ops); + if ((ops != NULL) && (ops->get_chip_id != NULL)) + return ops->get_chip_id(dev); + else + return -ENOTSUPP; +} +EXPORT_SYMBOL(abx500_get_chip_id); + +int abx500_event_registers_startup_state_get(struct device *dev, u8 *event) +{ + struct abx500_ops *ops; + + lookup_ops(dev->parent, &ops); + if ((ops != NULL) && (ops->event_registers_startup_state_get != NULL)) + return ops->event_registers_startup_state_get(dev, event); + else + return -ENOTSUPP; +} +EXPORT_SYMBOL(abx500_event_registers_startup_state_get); + +int abx500_startup_irq_enabled(struct device *dev, unsigned int irq) +{ + struct abx500_ops *ops; + + lookup_ops(dev->parent, &ops); + if ((ops != NULL) && (ops->startup_irq_enabled != NULL)) + return ops->startup_irq_enabled(dev, irq); + else + return -ENOTSUPP; +} +EXPORT_SYMBOL(abx500_startup_irq_enabled); + +MODULE_AUTHOR("Mattias Wallin <mattias.wallin@stericsson.com>"); +MODULE_DESCRIPTION("ABX500 core driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/mfd/da903x.c b/drivers/mfd/da903x.c index 67181b147ab3..3ad915d0589c 100644 --- a/drivers/mfd/da903x.c +++ b/drivers/mfd/da903x.c @@ -544,6 +544,7 @@ static int __devexit da903x_remove(struct i2c_client *client) struct da903x_chip *chip = i2c_get_clientdata(client); da903x_remove_subdevs(chip); + i2c_set_clientdata(client, NULL); kfree(chip); return 0; } diff --git a/drivers/mfd/janz-cmodio.c b/drivers/mfd/janz-cmodio.c new file mode 100644 index 000000000000..9ed630799acc --- /dev/null +++ b/drivers/mfd/janz-cmodio.c @@ -0,0 +1,304 @@ +/* + * Janz CMOD-IO MODULbus Carrier Board PCI Driver + * + * Copyright (c) 2010 Ira W. Snyder <iws@ovro.caltech.edu> + * + * Lots of inspiration and code was copied from drivers/mfd/sm501.c + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/pci.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/platform_device.h> +#include <linux/mfd/core.h> + +#include <linux/mfd/janz.h> + +#define DRV_NAME "janz-cmodio" + +/* Size of each MODULbus module in PCI BAR4 */ +#define CMODIO_MODULBUS_SIZE 0x200 + +/* Maximum number of MODULbus modules on a CMOD-IO carrier board */ +#define CMODIO_MAX_MODULES 4 + +/* Module Parameters */ +static unsigned int num_modules = CMODIO_MAX_MODULES; +static unsigned char *modules[CMODIO_MAX_MODULES] = { + "empty", "empty", "empty", "empty", +}; + +module_param_array(modules, charp, &num_modules, S_IRUGO); +MODULE_PARM_DESC(modules, "MODULbus modules attached to the carrier board"); + +/* Unique Device Id */ +static unsigned int cmodio_id; + +struct cmodio_device { + /* Parent PCI device */ + struct pci_dev *pdev; + + /* PLX control registers */ + struct janz_cmodio_onboard_regs __iomem *ctrl; + + /* hex switch position */ + u8 hex; + + /* mfd-core API */ + struct mfd_cell cells[CMODIO_MAX_MODULES]; + struct resource resources[3 * CMODIO_MAX_MODULES]; + struct janz_platform_data pdata[CMODIO_MAX_MODULES]; +}; + +/* + * Subdevices using the mfd-core API + */ + +static int __devinit cmodio_setup_subdevice(struct cmodio_device *priv, + char *name, unsigned int devno, + unsigned int modno) +{ + struct janz_platform_data *pdata; + struct mfd_cell *cell; + struct resource *res; + struct pci_dev *pci; + + pci = priv->pdev; + cell = &priv->cells[devno]; + res = &priv->resources[devno * 3]; + pdata = &priv->pdata[devno]; + + cell->name = name; + cell->resources = res; + cell->num_resources = 3; + + /* Setup the subdevice ID -- must be unique */ + cell->id = cmodio_id++; + + /* Add platform data */ + pdata->modno = modno; + cell->platform_data = pdata; + cell->data_size = sizeof(*pdata); + + /* MODULbus registers -- PCI BAR3 is big-endian MODULbus access */ + res->flags = IORESOURCE_MEM; + res->parent = &pci->resource[3]; + res->start = pci->resource[3].start + (CMODIO_MODULBUS_SIZE * modno); + res->end = res->start + CMODIO_MODULBUS_SIZE - 1; + res++; + + /* PLX Control Registers -- PCI BAR4 is interrupt and other registers */ + res->flags = IORESOURCE_MEM; + res->parent = &pci->resource[4]; + res->start = pci->resource[4].start; + res->end = pci->resource[4].end; + res++; + + /* + * IRQ + * + * The start and end fields are used as an offset to the irq_base + * parameter passed into the mfd_add_devices() function call. All + * devices share the same IRQ. + */ + res->flags = IORESOURCE_IRQ; + res->parent = NULL; + res->start = 0; + res->end = 0; + res++; + + return 0; +} + +/* Probe each submodule using kernel parameters */ +static int __devinit cmodio_probe_submodules(struct cmodio_device *priv) +{ + struct pci_dev *pdev = priv->pdev; + unsigned int num_probed = 0; + char *name; + int i; + + for (i = 0; i < num_modules; i++) { + name = modules[i]; + if (!strcmp(name, "") || !strcmp(name, "empty")) + continue; + + dev_dbg(&priv->pdev->dev, "MODULbus %d: name %s\n", i, name); + cmodio_setup_subdevice(priv, name, num_probed, i); + num_probed++; + } + + /* print an error message if no modules were probed */ + if (num_probed == 0) { + dev_err(&priv->pdev->dev, "no MODULbus modules specified, " + "please set the ``modules'' kernel " + "parameter according to your " + "hardware configuration\n"); + return -ENODEV; + } + + return mfd_add_devices(&pdev->dev, 0, priv->cells, + num_probed, NULL, pdev->irq); +} + +/* + * SYSFS Attributes + */ + +static ssize_t mbus_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct cmodio_device *priv = dev_get_drvdata(dev); + + return snprintf(buf, PAGE_SIZE, "%x\n", priv->hex); +} + +static DEVICE_ATTR(modulbus_number, S_IRUGO, mbus_show, NULL); + +static struct attribute *cmodio_sysfs_attrs[] = { + &dev_attr_modulbus_number.attr, + NULL, +}; + +static const struct attribute_group cmodio_sysfs_attr_group = { + .attrs = cmodio_sysfs_attrs, +}; + +/* + * PCI Driver + */ + +static int __devinit cmodio_pci_probe(struct pci_dev *dev, + const struct pci_device_id *id) +{ + struct cmodio_device *priv; + int ret; + + priv = kzalloc(sizeof(*priv), GFP_KERNEL); + if (!priv) { + dev_err(&dev->dev, "unable to allocate private data\n"); + ret = -ENOMEM; + goto out_return; + } + + pci_set_drvdata(dev, priv); + priv->pdev = dev; + + /* Hardware Initialization */ + ret = pci_enable_device(dev); + if (ret) { + dev_err(&dev->dev, "unable to enable device\n"); + goto out_free_priv; + } + + pci_set_master(dev); + ret = pci_request_regions(dev, DRV_NAME); + if (ret) { + dev_err(&dev->dev, "unable to request regions\n"); + goto out_pci_disable_device; + } + + /* Onboard configuration registers */ + priv->ctrl = pci_ioremap_bar(dev, 4); + if (!priv->ctrl) { + dev_err(&dev->dev, "unable to remap onboard regs\n"); + ret = -ENOMEM; + goto out_pci_release_regions; + } + + /* Read the hex switch on the carrier board */ + priv->hex = ioread8(&priv->ctrl->int_enable); + + /* Add the MODULbus number (hex switch value) to the device's sysfs */ + ret = sysfs_create_group(&dev->dev.kobj, &cmodio_sysfs_attr_group); + if (ret) { + dev_err(&dev->dev, "unable to create sysfs attributes\n"); + goto out_unmap_ctrl; + } + + /* + * Disable all interrupt lines, each submodule will enable its + * own interrupt line if needed + */ + iowrite8(0xf, &priv->ctrl->int_disable); + + /* Register drivers for all submodules */ + ret = cmodio_probe_submodules(priv); + if (ret) { + dev_err(&dev->dev, "unable to probe submodules\n"); + goto out_sysfs_remove_group; + } + + return 0; + +out_sysfs_remove_group: + sysfs_remove_group(&dev->dev.kobj, &cmodio_sysfs_attr_group); +out_unmap_ctrl: + iounmap(priv->ctrl); +out_pci_release_regions: + pci_release_regions(dev); +out_pci_disable_device: + pci_disable_device(dev); +out_free_priv: + kfree(priv); +out_return: + return ret; +} + +static void __devexit cmodio_pci_remove(struct pci_dev *dev) +{ + struct cmodio_device *priv = pci_get_drvdata(dev); + + mfd_remove_devices(&dev->dev); + sysfs_remove_group(&dev->dev.kobj, &cmodio_sysfs_attr_group); + iounmap(priv->ctrl); + pci_release_regions(dev); + pci_disable_device(dev); + kfree(priv); +} + +#define PCI_VENDOR_ID_JANZ 0x13c3 + +/* The list of devices that this module will support */ +static DEFINE_PCI_DEVICE_TABLE(cmodio_pci_ids) = { + { PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9030, PCI_VENDOR_ID_JANZ, 0x0101 }, + { PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9050, PCI_VENDOR_ID_JANZ, 0x0100 }, + { 0, } +}; +MODULE_DEVICE_TABLE(pci, cmodio_pci_ids); + +static struct pci_driver cmodio_pci_driver = { + .name = DRV_NAME, + .id_table = cmodio_pci_ids, + .probe = cmodio_pci_probe, + .remove = __devexit_p(cmodio_pci_remove), +}; + +/* + * Module Init / Exit + */ + +static int __init cmodio_init(void) +{ + return pci_register_driver(&cmodio_pci_driver); +} + +static void __exit cmodio_exit(void) +{ + pci_unregister_driver(&cmodio_pci_driver); +} + +MODULE_AUTHOR("Ira W. Snyder <iws@ovro.caltech.edu>"); +MODULE_DESCRIPTION("Janz CMOD-IO PCI MODULbus Carrier Board Driver"); +MODULE_LICENSE("GPL"); + +module_init(cmodio_init); +module_exit(cmodio_exit); diff --git a/drivers/mfd/max8925-core.c b/drivers/mfd/max8925-core.c index 85d63c04749b..f621bcea3d02 100644 --- a/drivers/mfd/max8925-core.c +++ b/drivers/mfd/max8925-core.c @@ -508,7 +508,7 @@ static int max8925_irq_init(struct max8925_chip *chip, int irq, max8925_reg_read(chip->i2c, MAX8925_ON_OFF_IRQ2); max8925_reg_read(chip->rtc, MAX8925_RTC_IRQ); max8925_reg_read(chip->adc, MAX8925_TSC_IRQ); - /* mask all interrupts */ + /* mask all interrupts except for TSC */ max8925_reg_write(chip->rtc, MAX8925_ALARM0_CNTL, 0); max8925_reg_write(chip->rtc, MAX8925_ALARM1_CNTL, 0); max8925_reg_write(chip->i2c, MAX8925_CHG_IRQ1_MASK, 0xff); @@ -516,7 +516,6 @@ static int max8925_irq_init(struct max8925_chip *chip, int irq, max8925_reg_write(chip->i2c, MAX8925_ON_OFF_IRQ1_MASK, 0xff); max8925_reg_write(chip->i2c, MAX8925_ON_OFF_IRQ2_MASK, 0xff); max8925_reg_write(chip->rtc, MAX8925_RTC_IRQ_MASK, 0xff); - max8925_reg_write(chip->adc, MAX8925_TSC_IRQ_MASK, 0xff); mutex_init(&chip->irq_lock); chip->core_irq = irq; @@ -547,7 +546,11 @@ static int max8925_irq_init(struct max8925_chip *chip, int irq, dev_err(chip->dev, "Failed to request core IRQ: %d\n", ret); chip->core_irq = 0; } + tsc_irq: + /* mask TSC interrupt */ + max8925_reg_write(chip->adc, MAX8925_TSC_IRQ_MASK, 0x0f); + if (!pdata->tsc_irq) { dev_warn(chip->dev, "No interrupt support on TSC IRQ\n"); return 0; diff --git a/drivers/mfd/max8925-i2c.c b/drivers/mfd/max8925-i2c.c index d9fd8785da4d..e73f3f5252a8 100644 --- a/drivers/mfd/max8925-i2c.c +++ b/drivers/mfd/max8925-i2c.c @@ -173,8 +173,6 @@ static int __devexit max8925_remove(struct i2c_client *client) max8925_device_exit(chip); i2c_unregister_device(chip->adc); i2c_unregister_device(chip->rtc); - i2c_set_clientdata(chip->adc, NULL); - i2c_set_clientdata(chip->rtc, NULL); i2c_set_clientdata(chip->i2c, NULL); kfree(chip); return 0; diff --git a/drivers/mfd/menelaus.c b/drivers/mfd/menelaus.c index a94b131a18ef..721948be12c7 100644 --- a/drivers/mfd/menelaus.c +++ b/drivers/mfd/menelaus.c @@ -1228,6 +1228,7 @@ fail2: free_irq(client->irq, menelaus); flush_scheduled_work(); fail1: + i2c_set_clientdata(client, NULL); kfree(menelaus); return err; } @@ -1237,8 +1238,8 @@ static int __exit menelaus_remove(struct i2c_client *client) struct menelaus_chip *menelaus = i2c_get_clientdata(client); free_irq(client->irq, menelaus); - kfree(menelaus); i2c_set_clientdata(client, NULL); + kfree(menelaus); the_menelaus = NULL; return 0; } diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c index 8ffbb7a85a7e..7dd76bceaae8 100644 --- a/drivers/mfd/mfd-core.c +++ b/drivers/mfd/mfd-core.c @@ -48,7 +48,7 @@ static int mfd_add_device(struct device *parent, int id, res[r].flags = cell->resources[r].flags; /* Find out base to use */ - if (cell->resources[r].flags & IORESOURCE_MEM) { + if ((cell->resources[r].flags & IORESOURCE_MEM) && mem_base) { res[r].parent = mem_base; res[r].start = mem_base->start + cell->resources[r].start; diff --git a/drivers/mfd/pcf50633-adc.c b/drivers/mfd/pcf50633-adc.c index fe8f922f6654..aed0d2a9b032 100644 --- a/drivers/mfd/pcf50633-adc.c +++ b/drivers/mfd/pcf50633-adc.c @@ -30,13 +30,13 @@ struct pcf50633_adc_request { int mux; int avg; - int result; void (*callback)(struct pcf50633 *, void *, int); void *callback_param; +}; - /* Used in case of sync requests */ +struct pcf50633_adc_sync_request { + int result; struct completion completion; - }; #define PCF50633_MAX_ADC_FIFO_DEPTH 8 @@ -109,10 +109,10 @@ adc_enqueue_request(struct pcf50633 *pcf, struct pcf50633_adc_request *req) return 0; } -static void -pcf50633_adc_sync_read_callback(struct pcf50633 *pcf, void *param, int result) +static void pcf50633_adc_sync_read_callback(struct pcf50633 *pcf, void *param, + int result) { - struct pcf50633_adc_request *req = param; + struct pcf50633_adc_sync_request *req = param; req->result = result; complete(&req->completion); @@ -120,28 +120,19 @@ pcf50633_adc_sync_read_callback(struct pcf50633 *pcf, void *param, int result) int pcf50633_adc_sync_read(struct pcf50633 *pcf, int mux, int avg) { - struct pcf50633_adc_request *req; - int err; + struct pcf50633_adc_sync_request req; + int ret; - /* req is freed when the result is ready, in interrupt handler */ - req = kzalloc(sizeof(*req), GFP_KERNEL); - if (!req) - return -ENOMEM; - - req->mux = mux; - req->avg = avg; - req->callback = pcf50633_adc_sync_read_callback; - req->callback_param = req; + init_completion(&req.completion); - init_completion(&req->completion); - err = adc_enqueue_request(pcf, req); - if (err) - return err; + ret = pcf50633_adc_async_read(pcf, mux, avg, + pcf50633_adc_sync_read_callback, &req); + if (ret) + return ret; - wait_for_completion(&req->completion); + wait_for_completion(&req.completion); - /* FIXME by this time req might be already freed */ - return req->result; + return req.result; } EXPORT_SYMBOL_GPL(pcf50633_adc_sync_read); diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c index dc95ddb708f1..704736e6e9b9 100644 --- a/drivers/mfd/pcf50633-core.c +++ b/drivers/mfd/pcf50633-core.c @@ -21,16 +21,16 @@ #include <linux/workqueue.h> #include <linux/platform_device.h> #include <linux/i2c.h> -#include <linux/irq.h> #include <linux/slab.h> #include <linux/mfd/pcf50633/core.h> -/* Two MBCS registers used during cold start */ -#define PCF50633_REG_MBCS1 0x4b -#define PCF50633_REG_MBCS2 0x4c -#define PCF50633_MBCS1_USBPRES 0x01 -#define PCF50633_MBCS1_ADAPTPRES 0x01 +int pcf50633_irq_init(struct pcf50633 *pcf, int irq); +void pcf50633_irq_free(struct pcf50633 *pcf); +#ifdef CONFIG_PM +int pcf50633_irq_suspend(struct pcf50633 *pcf); +int pcf50633_irq_resume(struct pcf50633 *pcf); +#endif static int __pcf50633_read(struct pcf50633 *pcf, u8 reg, int num, u8 *data) { @@ -215,244 +215,6 @@ static struct attribute_group pcf_attr_group = { .attrs = pcf_sysfs_entries, }; -int pcf50633_register_irq(struct pcf50633 *pcf, int irq, - void (*handler) (int, void *), void *data) -{ - if (irq < 0 || irq > PCF50633_NUM_IRQ || !handler) - return -EINVAL; - - if (WARN_ON(pcf->irq_handler[irq].handler)) - return -EBUSY; - - mutex_lock(&pcf->lock); - pcf->irq_handler[irq].handler = handler; - pcf->irq_handler[irq].data = data; - mutex_unlock(&pcf->lock); - - return 0; -} -EXPORT_SYMBOL_GPL(pcf50633_register_irq); - -int pcf50633_free_irq(struct pcf50633 *pcf, int irq) -{ - if (irq < 0 || irq > PCF50633_NUM_IRQ) - return -EINVAL; - - mutex_lock(&pcf->lock); - pcf->irq_handler[irq].handler = NULL; - mutex_unlock(&pcf->lock); - - return 0; -} -EXPORT_SYMBOL_GPL(pcf50633_free_irq); - -static int __pcf50633_irq_mask_set(struct pcf50633 *pcf, int irq, u8 mask) -{ - u8 reg, bits, tmp; - int ret = 0, idx; - - idx = irq >> 3; - reg = PCF50633_REG_INT1M + idx; - bits = 1 << (irq & 0x07); - - mutex_lock(&pcf->lock); - - if (mask) { - ret = __pcf50633_read(pcf, reg, 1, &tmp); - if (ret < 0) - goto out; - - tmp |= bits; - - ret = __pcf50633_write(pcf, reg, 1, &tmp); - if (ret < 0) - goto out; - - pcf->mask_regs[idx] &= ~bits; - pcf->mask_regs[idx] |= bits; - } else { - ret = __pcf50633_read(pcf, reg, 1, &tmp); - if (ret < 0) - goto out; - - tmp &= ~bits; - - ret = __pcf50633_write(pcf, reg, 1, &tmp); - if (ret < 0) - goto out; - - pcf->mask_regs[idx] &= ~bits; - } -out: - mutex_unlock(&pcf->lock); - - return ret; -} - -int pcf50633_irq_mask(struct pcf50633 *pcf, int irq) -{ - dev_dbg(pcf->dev, "Masking IRQ %d\n", irq); - - return __pcf50633_irq_mask_set(pcf, irq, 1); -} -EXPORT_SYMBOL_GPL(pcf50633_irq_mask); - -int pcf50633_irq_unmask(struct pcf50633 *pcf, int irq) -{ - dev_dbg(pcf->dev, "Unmasking IRQ %d\n", irq); - - return __pcf50633_irq_mask_set(pcf, irq, 0); -} -EXPORT_SYMBOL_GPL(pcf50633_irq_unmask); - -int pcf50633_irq_mask_get(struct pcf50633 *pcf, int irq) -{ - u8 reg, bits; - - reg = irq >> 3; - bits = 1 << (irq & 0x07); - - return pcf->mask_regs[reg] & bits; -} -EXPORT_SYMBOL_GPL(pcf50633_irq_mask_get); - -static void pcf50633_irq_call_handler(struct pcf50633 *pcf, int irq) -{ - if (pcf->irq_handler[irq].handler) - pcf->irq_handler[irq].handler(irq, pcf->irq_handler[irq].data); -} - -/* Maximum amount of time ONKEY is held before emergency action is taken */ -#define PCF50633_ONKEY1S_TIMEOUT 8 - -static void pcf50633_irq_worker(struct work_struct *work) -{ - struct pcf50633 *pcf; - int ret, i, j; - u8 pcf_int[5], chgstat; - - pcf = container_of(work, struct pcf50633, irq_work); - - /* Read the 5 INT regs in one transaction */ - ret = pcf50633_read_block(pcf, PCF50633_REG_INT1, - ARRAY_SIZE(pcf_int), pcf_int); - if (ret != ARRAY_SIZE(pcf_int)) { - dev_err(pcf->dev, "Error reading INT registers\n"); - - /* - * If this doesn't ACK the interrupt to the chip, we'll be - * called once again as we're level triggered. - */ - goto out; - } - - /* defeat 8s death from lowsys on A5 */ - pcf50633_reg_write(pcf, PCF50633_REG_OOCSHDWN, 0x04); - - /* We immediately read the usb and adapter status. We thus make sure - * only of USBINS/USBREM IRQ handlers are called */ - if (pcf_int[0] & (PCF50633_INT1_USBINS | PCF50633_INT1_USBREM)) { - chgstat = pcf50633_reg_read(pcf, PCF50633_REG_MBCS2); - if (chgstat & (0x3 << 4)) - pcf_int[0] &= ~(1 << PCF50633_INT1_USBREM); - else - pcf_int[0] &= ~(1 << PCF50633_INT1_USBINS); - } - - /* Make sure only one of ADPINS or ADPREM is set */ - if (pcf_int[0] & (PCF50633_INT1_ADPINS | PCF50633_INT1_ADPREM)) { - chgstat = pcf50633_reg_read(pcf, PCF50633_REG_MBCS2); - if (chgstat & (0x3 << 4)) - pcf_int[0] &= ~(1 << PCF50633_INT1_ADPREM); - else - pcf_int[0] &= ~(1 << PCF50633_INT1_ADPINS); - } - - dev_dbg(pcf->dev, "INT1=0x%02x INT2=0x%02x INT3=0x%02x " - "INT4=0x%02x INT5=0x%02x\n", pcf_int[0], - pcf_int[1], pcf_int[2], pcf_int[3], pcf_int[4]); - - /* Some revisions of the chip don't have a 8s standby mode on - * ONKEY1S press. We try to manually do it in such cases. */ - if ((pcf_int[0] & PCF50633_INT1_SECOND) && pcf->onkey1s_held) { - dev_info(pcf->dev, "ONKEY1S held for %d secs\n", - pcf->onkey1s_held); - if (pcf->onkey1s_held++ == PCF50633_ONKEY1S_TIMEOUT) - if (pcf->pdata->force_shutdown) - pcf->pdata->force_shutdown(pcf); - } - - if (pcf_int[2] & PCF50633_INT3_ONKEY1S) { - dev_info(pcf->dev, "ONKEY1S held\n"); - pcf->onkey1s_held = 1 ; - - /* Unmask IRQ_SECOND */ - pcf50633_reg_clear_bits(pcf, PCF50633_REG_INT1M, - PCF50633_INT1_SECOND); - - /* Unmask IRQ_ONKEYR */ - pcf50633_reg_clear_bits(pcf, PCF50633_REG_INT2M, - PCF50633_INT2_ONKEYR); - } - - if ((pcf_int[1] & PCF50633_INT2_ONKEYR) && pcf->onkey1s_held) { - pcf->onkey1s_held = 0; - - /* Mask SECOND and ONKEYR interrupts */ - if (pcf->mask_regs[0] & PCF50633_INT1_SECOND) - pcf50633_reg_set_bit_mask(pcf, - PCF50633_REG_INT1M, - PCF50633_INT1_SECOND, - PCF50633_INT1_SECOND); - - if (pcf->mask_regs[1] & PCF50633_INT2_ONKEYR) - pcf50633_reg_set_bit_mask(pcf, - PCF50633_REG_INT2M, - PCF50633_INT2_ONKEYR, - PCF50633_INT2_ONKEYR); - } - - /* Have we just resumed ? */ - if (pcf->is_suspended) { - pcf->is_suspended = 0; - - /* Set the resume reason filtering out non resumers */ - for (i = 0; i < ARRAY_SIZE(pcf_int); i++) - pcf->resume_reason[i] = pcf_int[i] & - pcf->pdata->resumers[i]; - - /* Make sure we don't pass on any ONKEY events to - * userspace now */ - pcf_int[1] &= ~(PCF50633_INT2_ONKEYR | PCF50633_INT2_ONKEYF); - } - - for (i = 0; i < ARRAY_SIZE(pcf_int); i++) { - /* Unset masked interrupts */ - pcf_int[i] &= ~pcf->mask_regs[i]; - - for (j = 0; j < 8 ; j++) - if (pcf_int[i] & (1 << j)) - pcf50633_irq_call_handler(pcf, (i * 8) + j); - } - -out: - put_device(pcf->dev); - enable_irq(pcf->irq); -} - -static irqreturn_t pcf50633_irq(int irq, void *data) -{ - struct pcf50633 *pcf = data; - - dev_dbg(pcf->dev, "pcf50633_irq\n"); - - get_device(pcf->dev); - disable_irq_nosync(pcf->irq); - queue_work(pcf->work_queue, &pcf->irq_work); - - return IRQ_HANDLED; -} - static void pcf50633_client_dev_register(struct pcf50633 *pcf, const char *name, struct platform_device **pdev) @@ -479,70 +241,17 @@ pcf50633_client_dev_register(struct pcf50633 *pcf, const char *name, static int pcf50633_suspend(struct i2c_client *client, pm_message_t state) { struct pcf50633 *pcf; - int ret = 0, i; - u8 res[5]; - pcf = i2c_get_clientdata(client); - /* Make sure our interrupt handlers are not called - * henceforth */ - disable_irq(pcf->irq); - - /* Make sure that any running IRQ worker has quit */ - cancel_work_sync(&pcf->irq_work); - - /* Save the masks */ - ret = pcf50633_read_block(pcf, PCF50633_REG_INT1M, - ARRAY_SIZE(pcf->suspend_irq_masks), - pcf->suspend_irq_masks); - if (ret < 0) { - dev_err(pcf->dev, "error saving irq masks\n"); - goto out; - } - - /* Write wakeup irq masks */ - for (i = 0; i < ARRAY_SIZE(res); i++) - res[i] = ~pcf->pdata->resumers[i]; - - ret = pcf50633_write_block(pcf, PCF50633_REG_INT1M, - ARRAY_SIZE(res), &res[0]); - if (ret < 0) { - dev_err(pcf->dev, "error writing wakeup irq masks\n"); - goto out; - } - - pcf->is_suspended = 1; - -out: - return ret; + return pcf50633_irq_suspend(pcf); } static int pcf50633_resume(struct i2c_client *client) { struct pcf50633 *pcf; - int ret; - pcf = i2c_get_clientdata(client); - /* Write the saved mask registers */ - ret = pcf50633_write_block(pcf, PCF50633_REG_INT1M, - ARRAY_SIZE(pcf->suspend_irq_masks), - pcf->suspend_irq_masks); - if (ret < 0) - dev_err(pcf->dev, "Error restoring saved suspend masks\n"); - - /* Restore regulators' state */ - - - get_device(pcf->dev); - - /* - * Clear any pending interrupts and set resume reason if any. - * This will leave with enable_irq() - */ - pcf50633_irq_worker(&pcf->irq_work); - - return 0; + return pcf50633_irq_resume(pcf); } #else #define pcf50633_suspend NULL @@ -573,43 +282,19 @@ static int __devinit pcf50633_probe(struct i2c_client *client, i2c_set_clientdata(client, pcf); pcf->dev = &client->dev; pcf->i2c_client = client; - pcf->irq = client->irq; - pcf->work_queue = create_singlethread_workqueue("pcf50633"); - - if (!pcf->work_queue) { - dev_err(&client->dev, "Failed to alloc workqueue\n"); - ret = -ENOMEM; - goto err_free; - } - - INIT_WORK(&pcf->irq_work, pcf50633_irq_worker); version = pcf50633_reg_read(pcf, 0); variant = pcf50633_reg_read(pcf, 1); if (version < 0 || variant < 0) { dev_err(pcf->dev, "Unable to probe pcf50633\n"); ret = -ENODEV; - goto err_destroy_workqueue; + goto err_free; } dev_info(pcf->dev, "Probed device version %d variant %d\n", version, variant); - /* Enable all interrupts except RTC SECOND */ - pcf->mask_regs[0] = 0x80; - pcf50633_reg_write(pcf, PCF50633_REG_INT1M, pcf->mask_regs[0]); - pcf50633_reg_write(pcf, PCF50633_REG_INT2M, 0x00); - pcf50633_reg_write(pcf, PCF50633_REG_INT3M, 0x00); - pcf50633_reg_write(pcf, PCF50633_REG_INT4M, 0x00); - pcf50633_reg_write(pcf, PCF50633_REG_INT5M, 0x00); - - ret = request_irq(client->irq, pcf50633_irq, - IRQF_TRIGGER_LOW, "pcf50633", pcf); - - if (ret) { - dev_err(pcf->dev, "Failed to request IRQ %d\n", ret); - goto err_destroy_workqueue; - } + pcf50633_irq_init(pcf, client->irq); /* Create sub devices */ pcf50633_client_dev_register(pcf, "pcf50633-input", @@ -641,10 +326,6 @@ static int __devinit pcf50633_probe(struct i2c_client *client, platform_device_add(pdev); } - if (enable_irq_wake(client->irq) < 0) - dev_err(pcf->dev, "IRQ %u cannot be enabled as wake-up source" - "in this hardware revision", client->irq); - ret = sysfs_create_group(&client->dev.kobj, &pcf_attr_group); if (ret) dev_err(pcf->dev, "error creating sysfs entries\n"); @@ -654,8 +335,6 @@ static int __devinit pcf50633_probe(struct i2c_client *client, return 0; -err_destroy_workqueue: - destroy_workqueue(pcf->work_queue); err_free: i2c_set_clientdata(client, NULL); kfree(pcf); @@ -668,8 +347,7 @@ static int __devexit pcf50633_remove(struct i2c_client *client) struct pcf50633 *pcf = i2c_get_clientdata(client); int i; - free_irq(pcf->irq, pcf); - destroy_workqueue(pcf->work_queue); + pcf50633_irq_free(pcf); platform_device_unregister(pcf->input_pdev); platform_device_unregister(pcf->rtc_pdev); @@ -679,6 +357,7 @@ static int __devexit pcf50633_remove(struct i2c_client *client) for (i = 0; i < PCF50633_NUM_REGULATORS; i++) platform_device_unregister(pcf->regulator_pdev[i]); + i2c_set_clientdata(client, NULL); kfree(pcf); return 0; diff --git a/drivers/mfd/pcf50633-irq.c b/drivers/mfd/pcf50633-irq.c new file mode 100644 index 000000000000..1b0192f1efff --- /dev/null +++ b/drivers/mfd/pcf50633-irq.c @@ -0,0 +1,318 @@ +/* NXP PCF50633 Power Management Unit (PMU) driver + * + * (C) 2006-2008 by Openmoko, Inc. + * Author: Harald Welte <laforge@openmoko.org> + * Balaji Rao <balajirrao@openmoko.org> + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#include <linux/interrupt.h> +#include <linux/kernel.h> +#include <linux/mutex.h> +#include <linux/slab.h> + +#include <linux/mfd/pcf50633/core.h> + +/* Two MBCS registers used during cold start */ +#define PCF50633_REG_MBCS1 0x4b +#define PCF50633_REG_MBCS2 0x4c +#define PCF50633_MBCS1_USBPRES 0x01 +#define PCF50633_MBCS1_ADAPTPRES 0x01 + +int pcf50633_register_irq(struct pcf50633 *pcf, int irq, + void (*handler) (int, void *), void *data) +{ + if (irq < 0 || irq >= PCF50633_NUM_IRQ || !handler) + return -EINVAL; + + if (WARN_ON(pcf->irq_handler[irq].handler)) + return -EBUSY; + + mutex_lock(&pcf->lock); + pcf->irq_handler[irq].handler = handler; + pcf->irq_handler[irq].data = data; + mutex_unlock(&pcf->lock); + + return 0; +} +EXPORT_SYMBOL_GPL(pcf50633_register_irq); + +int pcf50633_free_irq(struct pcf50633 *pcf, int irq) +{ + if (irq < 0 || irq >= PCF50633_NUM_IRQ) + return -EINVAL; + + mutex_lock(&pcf->lock); + pcf->irq_handler[irq].handler = NULL; + mutex_unlock(&pcf->lock); + + return 0; +} +EXPORT_SYMBOL_GPL(pcf50633_free_irq); + +static int __pcf50633_irq_mask_set(struct pcf50633 *pcf, int irq, u8 mask) +{ + u8 reg, bit; + int ret = 0, idx; + + idx = irq >> 3; + reg = PCF50633_REG_INT1M + idx; + bit = 1 << (irq & 0x07); + + pcf50633_reg_set_bit_mask(pcf, reg, bit, mask ? bit : 0); + + mutex_lock(&pcf->lock); + + if (mask) + pcf->mask_regs[idx] |= bit; + else + pcf->mask_regs[idx] &= ~bit; + + mutex_unlock(&pcf->lock); + + return ret; +} + +int pcf50633_irq_mask(struct pcf50633 *pcf, int irq) +{ + dev_dbg(pcf->dev, "Masking IRQ %d\n", irq); + + return __pcf50633_irq_mask_set(pcf, irq, 1); +} +EXPORT_SYMBOL_GPL(pcf50633_irq_mask); + +int pcf50633_irq_unmask(struct pcf50633 *pcf, int irq) +{ + dev_dbg(pcf->dev, "Unmasking IRQ %d\n", irq); + + return __pcf50633_irq_mask_set(pcf, irq, 0); +} +EXPORT_SYMBOL_GPL(pcf50633_irq_unmask); + +int pcf50633_irq_mask_get(struct pcf50633 *pcf, int irq) +{ + u8 reg, bits; + + reg = irq >> 3; + bits = 1 << (irq & 0x07); + + return pcf->mask_regs[reg] & bits; +} +EXPORT_SYMBOL_GPL(pcf50633_irq_mask_get); + +static void pcf50633_irq_call_handler(struct pcf50633 *pcf, int irq) +{ + if (pcf->irq_handler[irq].handler) + pcf->irq_handler[irq].handler(irq, pcf->irq_handler[irq].data); +} + +/* Maximum amount of time ONKEY is held before emergency action is taken */ +#define PCF50633_ONKEY1S_TIMEOUT 8 + +static irqreturn_t pcf50633_irq(int irq, void *data) +{ + struct pcf50633 *pcf = data; + int ret, i, j; + u8 pcf_int[5], chgstat; + + /* Read the 5 INT regs in one transaction */ + ret = pcf50633_read_block(pcf, PCF50633_REG_INT1, + ARRAY_SIZE(pcf_int), pcf_int); + if (ret != ARRAY_SIZE(pcf_int)) { + dev_err(pcf->dev, "Error reading INT registers\n"); + + /* + * If this doesn't ACK the interrupt to the chip, we'll be + * called once again as we're level triggered. + */ + goto out; + } + + /* defeat 8s death from lowsys on A5 */ + pcf50633_reg_write(pcf, PCF50633_REG_OOCSHDWN, 0x04); + + /* We immediately read the usb and adapter status. We thus make sure + * only of USBINS/USBREM IRQ handlers are called */ + if (pcf_int[0] & (PCF50633_INT1_USBINS | PCF50633_INT1_USBREM)) { + chgstat = pcf50633_reg_read(pcf, PCF50633_REG_MBCS2); + if (chgstat & (0x3 << 4)) + pcf_int[0] &= ~PCF50633_INT1_USBREM; + else + pcf_int[0] &= ~PCF50633_INT1_USBINS; + } + + /* Make sure only one of ADPINS or ADPREM is set */ + if (pcf_int[0] & (PCF50633_INT1_ADPINS | PCF50633_INT1_ADPREM)) { + chgstat = pcf50633_reg_read(pcf, PCF50633_REG_MBCS2); + if (chgstat & (0x3 << 4)) + pcf_int[0] &= ~PCF50633_INT1_ADPREM; + else + pcf_int[0] &= ~PCF50633_INT1_ADPINS; + } + + dev_dbg(pcf->dev, "INT1=0x%02x INT2=0x%02x INT3=0x%02x " + "INT4=0x%02x INT5=0x%02x\n", pcf_int[0], + pcf_int[1], pcf_int[2], pcf_int[3], pcf_int[4]); + + /* Some revisions of the chip don't have a 8s standby mode on + * ONKEY1S press. We try to manually do it in such cases. */ + if ((pcf_int[0] & PCF50633_INT1_SECOND) && pcf->onkey1s_held) { + dev_info(pcf->dev, "ONKEY1S held for %d secs\n", + pcf->onkey1s_held); + if (pcf->onkey1s_held++ == PCF50633_ONKEY1S_TIMEOUT) + if (pcf->pdata->force_shutdown) + pcf->pdata->force_shutdown(pcf); + } + + if (pcf_int[2] & PCF50633_INT3_ONKEY1S) { + dev_info(pcf->dev, "ONKEY1S held\n"); + pcf->onkey1s_held = 1 ; + + /* Unmask IRQ_SECOND */ + pcf50633_reg_clear_bits(pcf, PCF50633_REG_INT1M, + PCF50633_INT1_SECOND); + + /* Unmask IRQ_ONKEYR */ + pcf50633_reg_clear_bits(pcf, PCF50633_REG_INT2M, + PCF50633_INT2_ONKEYR); + } + + if ((pcf_int[1] & PCF50633_INT2_ONKEYR) && pcf->onkey1s_held) { + pcf->onkey1s_held = 0; + + /* Mask SECOND and ONKEYR interrupts */ + if (pcf->mask_regs[0] & PCF50633_INT1_SECOND) + pcf50633_reg_set_bit_mask(pcf, + PCF50633_REG_INT1M, + PCF50633_INT1_SECOND, + PCF50633_INT1_SECOND); + + if (pcf->mask_regs[1] & PCF50633_INT2_ONKEYR) + pcf50633_reg_set_bit_mask(pcf, + PCF50633_REG_INT2M, + PCF50633_INT2_ONKEYR, + PCF50633_INT2_ONKEYR); + } + + /* Have we just resumed ? */ + if (pcf->is_suspended) { + pcf->is_suspended = 0; + + /* Set the resume reason filtering out non resumers */ + for (i = 0; i < ARRAY_SIZE(pcf_int); i++) + pcf->resume_reason[i] = pcf_int[i] & + pcf->pdata->resumers[i]; + + /* Make sure we don't pass on any ONKEY events to + * userspace now */ + pcf_int[1] &= ~(PCF50633_INT2_ONKEYR | PCF50633_INT2_ONKEYF); + } + + for (i = 0; i < ARRAY_SIZE(pcf_int); i++) { + /* Unset masked interrupts */ + pcf_int[i] &= ~pcf->mask_regs[i]; + + for (j = 0; j < 8 ; j++) + if (pcf_int[i] & (1 << j)) + pcf50633_irq_call_handler(pcf, (i * 8) + j); + } + +out: + return IRQ_HANDLED; +} + +#ifdef CONFIG_PM + +int pcf50633_irq_suspend(struct pcf50633 *pcf) +{ + int ret; + int i; + u8 res[5]; + + + /* Make sure our interrupt handlers are not called + * henceforth */ + disable_irq(pcf->irq); + + /* Save the masks */ + ret = pcf50633_read_block(pcf, PCF50633_REG_INT1M, + ARRAY_SIZE(pcf->suspend_irq_masks), + pcf->suspend_irq_masks); + if (ret < 0) { + dev_err(pcf->dev, "error saving irq masks\n"); + goto out; + } + + /* Write wakeup irq masks */ + for (i = 0; i < ARRAY_SIZE(res); i++) + res[i] = ~pcf->pdata->resumers[i]; + + ret = pcf50633_write_block(pcf, PCF50633_REG_INT1M, + ARRAY_SIZE(res), &res[0]); + if (ret < 0) { + dev_err(pcf->dev, "error writing wakeup irq masks\n"); + goto out; + } + + pcf->is_suspended = 1; + +out: + return ret; +} + +int pcf50633_irq_resume(struct pcf50633 *pcf) +{ + int ret; + + /* Write the saved mask registers */ + ret = pcf50633_write_block(pcf, PCF50633_REG_INT1M, + ARRAY_SIZE(pcf->suspend_irq_masks), + pcf->suspend_irq_masks); + if (ret < 0) + dev_err(pcf->dev, "Error restoring saved suspend masks\n"); + + enable_irq(pcf->irq); + + return ret; +} + +#endif + +int pcf50633_irq_init(struct pcf50633 *pcf, int irq) +{ + int ret; + + pcf->irq = irq; + + /* Enable all interrupts except RTC SECOND */ + pcf->mask_regs[0] = 0x80; + pcf50633_reg_write(pcf, PCF50633_REG_INT1M, pcf->mask_regs[0]); + pcf50633_reg_write(pcf, PCF50633_REG_INT2M, 0x00); + pcf50633_reg_write(pcf, PCF50633_REG_INT3M, 0x00); + pcf50633_reg_write(pcf, PCF50633_REG_INT4M, 0x00); + pcf50633_reg_write(pcf, PCF50633_REG_INT5M, 0x00); + + ret = request_threaded_irq(irq, NULL, pcf50633_irq, + IRQF_TRIGGER_LOW | IRQF_ONESHOT, + "pcf50633", pcf); + + if (ret) + dev_err(pcf->dev, "Failed to request IRQ %d\n", ret); + + if (enable_irq_wake(irq) < 0) + dev_err(pcf->dev, "IRQ %u cannot be enabled as wake-up source" + "in this hardware revision", irq); + + return ret; +} + +void pcf50633_irq_free(struct pcf50633 *pcf) +{ + free_irq(pcf->irq, pcf); +} diff --git a/drivers/mfd/rdc321x-southbridge.c b/drivers/mfd/rdc321x-southbridge.c new file mode 100644 index 000000000000..50922975bda3 --- /dev/null +++ b/drivers/mfd/rdc321x-southbridge.c @@ -0,0 +1,123 @@ +/* + * RDC321x MFD southbrige driver + * + * Copyright (C) 2007-2010 Florian Fainelli <florian@openwrt.org> + * Copyright (C) 2010 Bernhard Loos <bernhardloos@googlemail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/pci.h> +#include <linux/mfd/core.h> +#include <linux/mfd/rdc321x.h> + +static struct rdc321x_wdt_pdata rdc321x_wdt_pdata; + +static struct resource rdc321x_wdt_resource[] = { + { + .name = "wdt-reg", + .start = RDC321X_WDT_CTRL, + .end = RDC321X_WDT_CTRL + 0x3, + .flags = IORESOURCE_IO, + } +}; + +static struct rdc321x_gpio_pdata rdc321x_gpio_pdata = { + .max_gpios = RDC321X_MAX_GPIO, +}; + +static struct resource rdc321x_gpio_resources[] = { + { + .name = "gpio-reg1", + .start = RDC321X_GPIO_CTRL_REG1, + .end = RDC321X_GPIO_CTRL_REG1 + 0x7, + .flags = IORESOURCE_IO, + }, { + .name = "gpio-reg2", + .start = RDC321X_GPIO_CTRL_REG2, + .end = RDC321X_GPIO_CTRL_REG2 + 0x7, + .flags = IORESOURCE_IO, + } +}; + +static struct mfd_cell rdc321x_sb_cells[] = { + { + .name = "rdc321x-wdt", + .resources = rdc321x_wdt_resource, + .num_resources = ARRAY_SIZE(rdc321x_wdt_resource), + .driver_data = &rdc321x_wdt_pdata, + }, { + .name = "rdc321x-gpio", + .resources = rdc321x_gpio_resources, + .num_resources = ARRAY_SIZE(rdc321x_gpio_resources), + .driver_data = &rdc321x_gpio_pdata, + }, +}; + +static int __devinit rdc321x_sb_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + int err; + + err = pci_enable_device(pdev); + if (err) { + dev_err(&pdev->dev, "failed to enable device\n"); + return err; + } + + rdc321x_gpio_pdata.sb_pdev = pdev; + rdc321x_wdt_pdata.sb_pdev = pdev; + + return mfd_add_devices(&pdev->dev, -1, + rdc321x_sb_cells, ARRAY_SIZE(rdc321x_sb_cells), NULL, 0); +} + +static void __devexit rdc321x_sb_remove(struct pci_dev *pdev) +{ + mfd_remove_devices(&pdev->dev); +} + +static DEFINE_PCI_DEVICE_TABLE(rdc321x_sb_table) = { + { PCI_DEVICE(PCI_VENDOR_ID_RDC, PCI_DEVICE_ID_RDC_R6030) }, + {} +}; + +static struct pci_driver rdc321x_sb_driver = { + .name = "RDC321x Southbridge", + .id_table = rdc321x_sb_table, + .probe = rdc321x_sb_probe, + .remove = __devexit_p(rdc321x_sb_remove), +}; + +static int __init rdc321x_sb_init(void) +{ + return pci_register_driver(&rdc321x_sb_driver); +} + +static void __exit rdc321x_sb_exit(void) +{ + pci_unregister_driver(&rdc321x_sb_driver); +} + +module_init(rdc321x_sb_init); +module_exit(rdc321x_sb_exit); + +MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("RDC R-321x MFD southbridge driver"); diff --git a/drivers/mfd/t7l66xb.c b/drivers/mfd/t7l66xb.c index da6383a934ac..5041d33adf0b 100644 --- a/drivers/mfd/t7l66xb.c +++ b/drivers/mfd/t7l66xb.c @@ -318,6 +318,9 @@ static int t7l66xb_probe(struct platform_device *dev) struct resource *iomem, *rscr; int ret; + if (pdata == NULL) + return -EINVAL; + iomem = platform_get_resource(dev, IORESOURCE_MEM, 0); if (!iomem) return -EINVAL; diff --git a/drivers/mfd/tc35892.c b/drivers/mfd/tc35892.c new file mode 100644 index 000000000000..715f095dd7a6 --- /dev/null +++ b/drivers/mfd/tc35892.c @@ -0,0 +1,347 @@ +/* + * Copyright (C) ST-Ericsson SA 2010 + * + * License Terms: GNU General Public License, version 2 + * Author: Hanumath Prasad <hanumath.prasad@stericsson.com> for ST-Ericsson + * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson + */ + +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/slab.h> +#include <linux/i2c.h> +#include <linux/mfd/core.h> +#include <linux/mfd/tc35892.h> + +/** + * tc35892_reg_read() - read a single TC35892 register + * @tc35892: Device to read from + * @reg: Register to read + */ +int tc35892_reg_read(struct tc35892 *tc35892, u8 reg) +{ + int ret; + + ret = i2c_smbus_read_byte_data(tc35892->i2c, reg); + if (ret < 0) + dev_err(tc35892->dev, "failed to read reg %#x: %d\n", + reg, ret); + + return ret; +} +EXPORT_SYMBOL_GPL(tc35892_reg_read); + +/** + * tc35892_reg_read() - write a single TC35892 register + * @tc35892: Device to write to + * @reg: Register to read + * @data: Value to write + */ +int tc35892_reg_write(struct tc35892 *tc35892, u8 reg, u8 data) +{ + int ret; + + ret = i2c_smbus_write_byte_data(tc35892->i2c, reg, data); + if (ret < 0) + dev_err(tc35892->dev, "failed to write reg %#x: %d\n", + reg, ret); + + return ret; +} +EXPORT_SYMBOL_GPL(tc35892_reg_write); + +/** + * tc35892_block_read() - read multiple TC35892 registers + * @tc35892: Device to read from + * @reg: First register + * @length: Number of registers + * @values: Buffer to write to + */ +int tc35892_block_read(struct tc35892 *tc35892, u8 reg, u8 length, u8 *values) +{ + int ret; + + ret = i2c_smbus_read_i2c_block_data(tc35892->i2c, reg, length, values); + if (ret < 0) + dev_err(tc35892->dev, "failed to read regs %#x: %d\n", + reg, ret); + + return ret; +} +EXPORT_SYMBOL_GPL(tc35892_block_read); + +/** + * tc35892_block_write() - write multiple TC35892 registers + * @tc35892: Device to write to + * @reg: First register + * @length: Number of registers + * @values: Values to write + */ +int tc35892_block_write(struct tc35892 *tc35892, u8 reg, u8 length, + const u8 *values) +{ + int ret; + + ret = i2c_smbus_write_i2c_block_data(tc35892->i2c, reg, length, + values); + if (ret < 0) + dev_err(tc35892->dev, "failed to write regs %#x: %d\n", + reg, ret); + + return ret; +} +EXPORT_SYMBOL_GPL(tc35892_block_write); + +/** + * tc35892_set_bits() - set the value of a bitfield in a TC35892 register + * @tc35892: Device to write to + * @reg: Register to write + * @mask: Mask of bits to set + * @values: Value to set + */ +int tc35892_set_bits(struct tc35892 *tc35892, u8 reg, u8 mask, u8 val) +{ + int ret; + + mutex_lock(&tc35892->lock); + + ret = tc35892_reg_read(tc35892, reg); + if (ret < 0) + goto out; + + ret &= ~mask; + ret |= val; + + ret = tc35892_reg_write(tc35892, reg, ret); + +out: + mutex_unlock(&tc35892->lock); + return ret; +} +EXPORT_SYMBOL_GPL(tc35892_set_bits); + +static struct resource gpio_resources[] = { + { + .start = TC35892_INT_GPIIRQ, + .end = TC35892_INT_GPIIRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct mfd_cell tc35892_devs[] = { + { + .name = "tc35892-gpio", + .num_resources = ARRAY_SIZE(gpio_resources), + .resources = &gpio_resources[0], + }, +}; + +static irqreturn_t tc35892_irq(int irq, void *data) +{ + struct tc35892 *tc35892 = data; + int status; + + status = tc35892_reg_read(tc35892, TC35892_IRQST); + if (status < 0) + return IRQ_NONE; + + while (status) { + int bit = __ffs(status); + + handle_nested_irq(tc35892->irq_base + bit); + status &= ~(1 << bit); + } + + /* + * A dummy read or write (to any register) appears to be necessary to + * have the last interrupt clear (for example, GPIO IC write) take + * effect. + */ + tc35892_reg_read(tc35892, TC35892_IRQST); + + return IRQ_HANDLED; +} + +static void tc35892_irq_dummy(unsigned int irq) +{ + /* No mask/unmask at this level */ +} + +static struct irq_chip tc35892_irq_chip = { + .name = "tc35892", + .mask = tc35892_irq_dummy, + .unmask = tc35892_irq_dummy, +}; + +static int tc35892_irq_init(struct tc35892 *tc35892) +{ + int base = tc35892->irq_base; + int irq; + + for (irq = base; irq < base + TC35892_NR_INTERNAL_IRQS; irq++) { + set_irq_chip_data(irq, tc35892); + set_irq_chip_and_handler(irq, &tc35892_irq_chip, + handle_edge_irq); + set_irq_nested_thread(irq, 1); +#ifdef CONFIG_ARM + set_irq_flags(irq, IRQF_VALID); +#else + set_irq_noprobe(irq); +#endif + } + + return 0; +} + +static void tc35892_irq_remove(struct tc35892 *tc35892) +{ + int base = tc35892->irq_base; + int irq; + + for (irq = base; irq < base + TC35892_NR_INTERNAL_IRQS; irq++) { +#ifdef CONFIG_ARM + set_irq_flags(irq, 0); +#endif + set_irq_chip_and_handler(irq, NULL, NULL); + set_irq_chip_data(irq, NULL); + } +} + +static int tc35892_chip_init(struct tc35892 *tc35892) +{ + int manf, ver, ret; + + manf = tc35892_reg_read(tc35892, TC35892_MANFCODE); + if (manf < 0) + return manf; + + ver = tc35892_reg_read(tc35892, TC35892_VERSION); + if (ver < 0) + return ver; + + if (manf != TC35892_MANFCODE_MAGIC) { + dev_err(tc35892->dev, "unknown manufacturer: %#x\n", manf); + return -EINVAL; + } + + dev_info(tc35892->dev, "manufacturer: %#x, version: %#x\n", manf, ver); + + /* Put everything except the IRQ module into reset */ + ret = tc35892_reg_write(tc35892, TC35892_RSTCTRL, + TC35892_RSTCTRL_TIMRST + | TC35892_RSTCTRL_ROTRST + | TC35892_RSTCTRL_KBDRST + | TC35892_RSTCTRL_GPIRST); + if (ret < 0) + return ret; + + /* Clear the reset interrupt. */ + return tc35892_reg_write(tc35892, TC35892_RSTINTCLR, 0x1); +} + +static int __devinit tc35892_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) +{ + struct tc35892_platform_data *pdata = i2c->dev.platform_data; + struct tc35892 *tc35892; + int ret; + + if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA + | I2C_FUNC_SMBUS_I2C_BLOCK)) + return -EIO; + + tc35892 = kzalloc(sizeof(struct tc35892), GFP_KERNEL); + if (!tc35892) + return -ENOMEM; + + mutex_init(&tc35892->lock); + + tc35892->dev = &i2c->dev; + tc35892->i2c = i2c; + tc35892->pdata = pdata; + tc35892->irq_base = pdata->irq_base; + tc35892->num_gpio = id->driver_data; + + i2c_set_clientdata(i2c, tc35892); + + ret = tc35892_chip_init(tc35892); + if (ret) + goto out_free; + + ret = tc35892_irq_init(tc35892); + if (ret) + goto out_free; + + ret = request_threaded_irq(tc35892->i2c->irq, NULL, tc35892_irq, + IRQF_TRIGGER_FALLING | IRQF_ONESHOT, + "tc35892", tc35892); + if (ret) { + dev_err(tc35892->dev, "failed to request IRQ: %d\n", ret); + goto out_removeirq; + } + + ret = mfd_add_devices(tc35892->dev, -1, tc35892_devs, + ARRAY_SIZE(tc35892_devs), NULL, + tc35892->irq_base); + if (ret) { + dev_err(tc35892->dev, "failed to add children\n"); + goto out_freeirq; + } + + return 0; + +out_freeirq: + free_irq(tc35892->i2c->irq, tc35892); +out_removeirq: + tc35892_irq_remove(tc35892); +out_free: + i2c_set_clientdata(i2c, NULL); + kfree(tc35892); + return ret; +} + +static int __devexit tc35892_remove(struct i2c_client *client) +{ + struct tc35892 *tc35892 = i2c_get_clientdata(client); + + mfd_remove_devices(tc35892->dev); + + free_irq(tc35892->i2c->irq, tc35892); + tc35892_irq_remove(tc35892); + + i2c_set_clientdata(client, NULL); + kfree(tc35892); + + return 0; +} + +static const struct i2c_device_id tc35892_id[] = { + { "tc35892", 24 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, tc35892_id); + +static struct i2c_driver tc35892_driver = { + .driver.name = "tc35892", + .driver.owner = THIS_MODULE, + .probe = tc35892_probe, + .remove = __devexit_p(tc35892_remove), + .id_table = tc35892_id, +}; + +static int __init tc35892_init(void) +{ + return i2c_add_driver(&tc35892_driver); +} +subsys_initcall(tc35892_init); + +static void __exit tc35892_exit(void) +{ + i2c_del_driver(&tc35892_driver); +} +module_exit(tc35892_exit); + +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("TC35892 MFD core driver"); +MODULE_AUTHOR("Hanumath Prasad, Rabin Vincent"); diff --git a/drivers/mfd/timberdale.c b/drivers/mfd/timberdale.c index 7f478ec4184b..ac5995026c88 100644 --- a/drivers/mfd/timberdale.c +++ b/drivers/mfd/timberdale.c @@ -31,6 +31,7 @@ #include <linux/i2c.h> #include <linux/i2c-ocores.h> +#include <linux/i2c-xiic.h> #include <linux/i2c/tsc2007.h> #include <linux/spi/spi.h> @@ -40,6 +41,8 @@ #include <media/timb_radio.h> +#include <linux/timb_dma.h> + #include "timberdale.h" #define DRIVER_NAME "timberdale" @@ -69,6 +72,12 @@ static struct i2c_board_info timberdale_i2c_board_info[] = { }, }; +static __devinitdata struct xiic_i2c_platform_data +timberdale_xiic_platform_data = { + .devices = timberdale_i2c_board_info, + .num_devices = ARRAY_SIZE(timberdale_i2c_board_info) +}; + static __devinitdata struct ocores_i2c_platform_data timberdale_ocores_platform_data = { .regstep = 4, @@ -77,7 +86,20 @@ timberdale_ocores_platform_data = { .num_devices = ARRAY_SIZE(timberdale_i2c_board_info) }; -const static __devinitconst struct resource timberdale_ocores_resources[] = { +static const __devinitconst struct resource timberdale_xiic_resources[] = { + { + .start = XIICOFFSET, + .end = XIICEND, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_TIMBERDALE_I2C, + .end = IRQ_TIMBERDALE_I2C, + .flags = IORESOURCE_IRQ, + }, +}; + +static const __devinitconst struct resource timberdale_ocores_resources[] = { { .start = OCORESOFFSET, .end = OCORESEND, @@ -126,7 +148,7 @@ static __devinitdata struct xspi_platform_data timberdale_xspi_platform_data = { */ }; -const static __devinitconst struct resource timberdale_spi_resources[] = { +static const __devinitconst struct resource timberdale_spi_resources[] = { { .start = SPIOFFSET, .end = SPIEND, @@ -139,7 +161,7 @@ const static __devinitconst struct resource timberdale_spi_resources[] = { }, }; -const static __devinitconst struct resource timberdale_eth_resources[] = { +static const __devinitconst struct resource timberdale_eth_resources[] = { { .start = ETHOFFSET, .end = ETHEND, @@ -159,7 +181,7 @@ static __devinitdata struct timbgpio_platform_data .irq_base = 200, }; -const static __devinitconst struct resource timberdale_gpio_resources[] = { +static const __devinitconst struct resource timberdale_gpio_resources[] = { { .start = GPIOOFFSET, .end = GPIOEND, @@ -172,7 +194,7 @@ const static __devinitconst struct resource timberdale_gpio_resources[] = { }, }; -const static __devinitconst struct resource timberdale_mlogicore_resources[] = { +static const __devinitconst struct resource timberdale_mlogicore_resources[] = { { .start = MLCOREOFFSET, .end = MLCOREEND, @@ -190,7 +212,7 @@ const static __devinitconst struct resource timberdale_mlogicore_resources[] = { }, }; -const static __devinitconst struct resource timberdale_uart_resources[] = { +static const __devinitconst struct resource timberdale_uart_resources[] = { { .start = UARTOFFSET, .end = UARTEND, @@ -203,7 +225,7 @@ const static __devinitconst struct resource timberdale_uart_resources[] = { }, }; -const static __devinitconst struct resource timberdale_uartlite_resources[] = { +static const __devinitconst struct resource timberdale_uartlite_resources[] = { { .start = UARTLITEOFFSET, .end = UARTLITEEND, @@ -216,7 +238,7 @@ const static __devinitconst struct resource timberdale_uartlite_resources[] = { }, }; -const static __devinitconst struct resource timberdale_radio_resources[] = { +static const __devinitconst struct resource timberdale_radio_resources[] = { { .start = RDSOFFSET, .end = RDSEND, @@ -250,7 +272,66 @@ static __devinitdata struct timb_radio_platform_data } }; -const static __devinitconst struct resource timberdale_dma_resources[] = { +static __devinitdata struct timb_dma_platform_data timb_dma_platform_data = { + .nr_channels = 10, + .channels = { + { + /* UART RX */ + .rx = true, + .descriptors = 2, + .descriptor_elements = 1 + }, + { + /* UART TX */ + .rx = false, + .descriptors = 2, + .descriptor_elements = 1 + }, + { + /* MLB RX */ + .rx = true, + .descriptors = 2, + .descriptor_elements = 1 + }, + { + /* MLB TX */ + .rx = false, + .descriptors = 2, + .descriptor_elements = 1 + }, + { + /* Video RX */ + .rx = true, + .bytes_per_line = 1440, + .descriptors = 2, + .descriptor_elements = 16 + }, + { + /* Video framedrop */ + }, + { + /* SDHCI RX */ + .rx = true, + }, + { + /* SDHCI TX */ + }, + { + /* ETH RX */ + .rx = true, + .descriptors = 2, + .descriptor_elements = 1 + }, + { + /* ETH TX */ + .rx = false, + .descriptors = 2, + .descriptor_elements = 1 + }, + } +}; + +static const __devinitconst struct resource timberdale_dma_resources[] = { { .start = DMAOFFSET, .end = DMAEND, @@ -265,11 +346,25 @@ const static __devinitconst struct resource timberdale_dma_resources[] = { static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg0[] = { { + .name = "timb-dma", + .num_resources = ARRAY_SIZE(timberdale_dma_resources), + .resources = timberdale_dma_resources, + .platform_data = &timb_dma_platform_data, + .data_size = sizeof(timb_dma_platform_data), + }, + { .name = "timb-uart", .num_resources = ARRAY_SIZE(timberdale_uart_resources), .resources = timberdale_uart_resources, }, { + .name = "xiic-i2c", + .num_resources = ARRAY_SIZE(timberdale_xiic_resources), + .resources = timberdale_xiic_resources, + .platform_data = &timberdale_xiic_platform_data, + .data_size = sizeof(timberdale_xiic_platform_data), + }, + { .name = "timb-gpio", .num_resources = ARRAY_SIZE(timberdale_gpio_resources), .resources = timberdale_gpio_resources, @@ -295,14 +390,16 @@ static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg0[] = { .num_resources = ARRAY_SIZE(timberdale_eth_resources), .resources = timberdale_eth_resources, }, +}; + +static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg1[] = { { .name = "timb-dma", .num_resources = ARRAY_SIZE(timberdale_dma_resources), .resources = timberdale_dma_resources, + .platform_data = &timb_dma_platform_data, + .data_size = sizeof(timb_dma_platform_data), }, -}; - -static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg1[] = { { .name = "timb-uart", .num_resources = ARRAY_SIZE(timberdale_uart_resources), @@ -314,6 +411,13 @@ static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg1[] = { .resources = timberdale_uartlite_resources, }, { + .name = "xiic-i2c", + .num_resources = ARRAY_SIZE(timberdale_xiic_resources), + .resources = timberdale_xiic_resources, + .platform_data = &timberdale_xiic_platform_data, + .data_size = sizeof(timberdale_xiic_platform_data), + }, + { .name = "timb-gpio", .num_resources = ARRAY_SIZE(timberdale_gpio_resources), .resources = timberdale_gpio_resources, @@ -344,20 +448,29 @@ static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg1[] = { .num_resources = ARRAY_SIZE(timberdale_eth_resources), .resources = timberdale_eth_resources, }, +}; + +static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg2[] = { { .name = "timb-dma", .num_resources = ARRAY_SIZE(timberdale_dma_resources), .resources = timberdale_dma_resources, + .platform_data = &timb_dma_platform_data, + .data_size = sizeof(timb_dma_platform_data), }, -}; - -static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg2[] = { { .name = "timb-uart", .num_resources = ARRAY_SIZE(timberdale_uart_resources), .resources = timberdale_uart_resources, }, { + .name = "xiic-i2c", + .num_resources = ARRAY_SIZE(timberdale_xiic_resources), + .resources = timberdale_xiic_resources, + .platform_data = &timberdale_xiic_platform_data, + .data_size = sizeof(timberdale_xiic_platform_data), + }, + { .name = "timb-gpio", .num_resources = ARRAY_SIZE(timberdale_gpio_resources), .resources = timberdale_gpio_resources, @@ -378,14 +491,16 @@ static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg2[] = { .platform_data = &timberdale_xspi_platform_data, .data_size = sizeof(timberdale_xspi_platform_data), }, +}; + +static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg3[] = { { .name = "timb-dma", .num_resources = ARRAY_SIZE(timberdale_dma_resources), .resources = timberdale_dma_resources, + .platform_data = &timb_dma_platform_data, + .data_size = sizeof(timb_dma_platform_data), }, -}; - -static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg3[] = { { .name = "timb-uart", .num_resources = ARRAY_SIZE(timberdale_uart_resources), @@ -424,11 +539,6 @@ static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg3[] = { .num_resources = ARRAY_SIZE(timberdale_eth_resources), .resources = timberdale_eth_resources, }, - { - .name = "timb-dma", - .num_resources = ARRAY_SIZE(timberdale_dma_resources), - .resources = timberdale_dma_resources, - }, }; static const __devinitconst struct resource timberdale_sdhc_resources[] = { diff --git a/drivers/mfd/timberdale.h b/drivers/mfd/timberdale.h index 8d27ffabc25d..c11bf6ebfe00 100644 --- a/drivers/mfd/timberdale.h +++ b/drivers/mfd/timberdale.h @@ -23,7 +23,7 @@ #ifndef MFD_TIMBERDALE_H #define MFD_TIMBERDALE_H -#define DRV_VERSION "0.1" +#define DRV_VERSION "0.2" /* This driver only support versions >= 3.8 and < 4.0 */ #define TIMB_SUPPORTED_MAJOR 3 @@ -66,7 +66,7 @@ #define CHIPCTLOFFSET 0x800 #define CHIPCTLEND 0x8ff -#define CHIPCTLSIZE (CHIPCTLEND - CHIPCTLOFFSET) +#define CHIPCTLSIZE (CHIPCTLEND - CHIPCTLOFFSET + 1) #define INTCOFFSET 0xc00 #define INTCEND 0xfff @@ -127,4 +127,16 @@ #define GPIO_PIN_BT_RST 15 #define GPIO_NR_PINS 16 +/* DMA Channels */ +#define DMA_UART_RX 0 +#define DMA_UART_TX 1 +#define DMA_MLB_RX 2 +#define DMA_MLB_TX 3 +#define DMA_VIDEO_RX 4 +#define DMA_VIDEO_DROP 5 +#define DMA_SDHCI_RX 6 +#define DMA_SDHCI_TX 7 +#define DMA_ETH_RX 8 +#define DMA_ETH_TX 9 + #endif diff --git a/drivers/mfd/tps65010.c b/drivers/mfd/tps65010.c index e5955306c2fa..9b22a77f70f5 100644 --- a/drivers/mfd/tps65010.c +++ b/drivers/mfd/tps65010.c @@ -530,8 +530,8 @@ static int __exit tps65010_remove(struct i2c_client *client) cancel_delayed_work(&tps->work); flush_scheduled_work(); debugfs_remove(tps->file); - kfree(tps); i2c_set_clientdata(client, NULL); + kfree(tps); the_tps = NULL; return 0; } diff --git a/drivers/mfd/tps6507x.c b/drivers/mfd/tps6507x.c new file mode 100644 index 000000000000..d859dffed39f --- /dev/null +++ b/drivers/mfd/tps6507x.c @@ -0,0 +1,159 @@ +/* + * tps6507x.c -- TPS6507x chip family multi-function driver + * + * Copyright (c) 2010 RidgeRun (todd.fischer@ridgerun.com) + * + * Author: Todd Fischer + * todd.fischer@ridgerun.com + * + * Credits: + * + * Using code from wm831x-*.c, wm8400-core, Wolfson Microelectronics PLC. + * + * For licencing details see kernel-base/COPYING + * + */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/i2c.h> +#include <linux/mfd/core.h> +#include <linux/mfd/tps6507x.h> + +static struct mfd_cell tps6507x_devs[] = { + { + .name = "tps6507x-pmic", + }, + { + .name = "tps6507x-ts", + }, +}; + + +static int tps6507x_i2c_read_device(struct tps6507x_dev *tps6507x, char reg, + int bytes, void *dest) +{ + struct i2c_client *i2c = tps6507x->i2c_client; + struct i2c_msg xfer[2]; + int ret; + + /* Write register */ + xfer[0].addr = i2c->addr; + xfer[0].flags = 0; + xfer[0].len = 1; + xfer[0].buf = ® + + /* Read data */ + xfer[1].addr = i2c->addr; + xfer[1].flags = I2C_M_RD; + xfer[1].len = bytes; + xfer[1].buf = dest; + + ret = i2c_transfer(i2c->adapter, xfer, 2); + if (ret == 2) + ret = 0; + else if (ret >= 0) + ret = -EIO; + + return ret; +} + +static int tps6507x_i2c_write_device(struct tps6507x_dev *tps6507x, char reg, + int bytes, void *src) +{ + struct i2c_client *i2c = tps6507x->i2c_client; + /* we add 1 byte for device register */ + u8 msg[TPS6507X_MAX_REGISTER + 1]; + int ret; + + if (bytes > (TPS6507X_MAX_REGISTER + 1)) + return -EINVAL; + + msg[0] = reg; + memcpy(&msg[1], src, bytes); + + ret = i2c_master_send(i2c, msg, bytes + 1); + if (ret < 0) + return ret; + if (ret != bytes + 1) + return -EIO; + return 0; +} + +static int tps6507x_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) +{ + struct tps6507x_dev *tps6507x; + int ret = 0; + + tps6507x = kzalloc(sizeof(struct tps6507x_dev), GFP_KERNEL); + if (tps6507x == NULL) { + kfree(i2c); + return -ENOMEM; + } + + i2c_set_clientdata(i2c, tps6507x); + tps6507x->dev = &i2c->dev; + tps6507x->i2c_client = i2c; + tps6507x->read_dev = tps6507x_i2c_read_device; + tps6507x->write_dev = tps6507x_i2c_write_device; + + ret = mfd_add_devices(tps6507x->dev, -1, + tps6507x_devs, ARRAY_SIZE(tps6507x_devs), + NULL, 0); + + if (ret < 0) + goto err; + + return ret; + +err: + mfd_remove_devices(tps6507x->dev); + kfree(tps6507x); + return ret; +} + +static int tps6507x_i2c_remove(struct i2c_client *i2c) +{ + struct tps6507x_dev *tps6507x = i2c_get_clientdata(i2c); + + mfd_remove_devices(tps6507x->dev); + kfree(tps6507x); + + return 0; +} + +static const struct i2c_device_id tps6507x_i2c_id[] = { + { "tps6507x", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, tps6507x_i2c_id); + + +static struct i2c_driver tps6507x_i2c_driver = { + .driver = { + .name = "tps6507x", + .owner = THIS_MODULE, + }, + .probe = tps6507x_i2c_probe, + .remove = tps6507x_i2c_remove, + .id_table = tps6507x_i2c_id, +}; + +static int __init tps6507x_i2c_init(void) +{ + return i2c_add_driver(&tps6507x_i2c_driver); +} +/* init early so consumer devices can complete system boot */ +subsys_initcall(tps6507x_i2c_init); + +static void __exit tps6507x_i2c_exit(void) +{ + i2c_del_driver(&tps6507x_i2c_driver); +} +module_exit(tps6507x_i2c_exit); + +MODULE_DESCRIPTION("TPS6507x chip family multi-function driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/mfd/twl4030-irq.c b/drivers/mfd/twl4030-irq.c index 202bdd59632d..097f24d8bceb 100644 --- a/drivers/mfd/twl4030-irq.c +++ b/drivers/mfd/twl4030-irq.c @@ -232,10 +232,11 @@ static const struct sih sih_modules_twl5031[8] = { }, [6] = { /* - * ACI doesn't use the same SIH organization. - * For example, it supports only one interrupt line + * ECI/DBI doesn't use the same SIH organization. + * For example, it supports only one interrupt output line. + * That is, the interrupts are seen on both INT1 and INT2 lines. */ - .name = "aci", + .name = "eci_dbi", .module = TWL5031_MODULE_ACCESSORY, .bits = 9, .bytes_ixr = 2, @@ -247,8 +248,8 @@ static const struct sih sih_modules_twl5031[8] = { }, [7] = { - /* Accessory */ - .name = "acc", + /* Audio accessory */ + .name = "audio", .module = TWL5031_MODULE_ACCESSORY, .control_offset = TWL5031_ACCSIHCTRL, .bits = 2, diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c index f2ab025ad97a..1a968f34d679 100644 --- a/drivers/mfd/wm831x-core.c +++ b/drivers/mfd/wm831x-core.c @@ -322,7 +322,11 @@ EXPORT_SYMBOL_GPL(wm831x_set_bits); */ int wm831x_auxadc_read(struct wm831x *wm831x, enum wm831x_auxadc input) { - int ret, src; + int ret, src, irq_masked, timeout; + + /* Are we using the interrupt? */ + irq_masked = wm831x_reg_read(wm831x, WM831X_INTERRUPT_STATUS_1_MASK); + irq_masked &= WM831X_AUXADC_DATA_EINT; mutex_lock(&wm831x->auxadc_lock); @@ -342,6 +346,9 @@ int wm831x_auxadc_read(struct wm831x *wm831x, enum wm831x_auxadc input) goto out; } + /* Clear any notification from a very late arriving interrupt */ + try_wait_for_completion(&wm831x->auxadc_done); + ret = wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL, WM831X_AUX_CVT_ENA, WM831X_AUX_CVT_ENA); if (ret < 0) { @@ -349,22 +356,46 @@ int wm831x_auxadc_read(struct wm831x *wm831x, enum wm831x_auxadc input) goto disable; } - /* If an interrupt arrived late clean up after it */ - try_wait_for_completion(&wm831x->auxadc_done); - - /* Ignore the result to allow us to soldier on without IRQ hookup */ - wait_for_completion_timeout(&wm831x->auxadc_done, msecs_to_jiffies(5)); - - ret = wm831x_reg_read(wm831x, WM831X_AUXADC_CONTROL); - if (ret < 0) { - dev_err(wm831x->dev, "AUXADC status read failed: %d\n", ret); - goto disable; - } - - if (ret & WM831X_AUX_CVT_ENA) { - dev_err(wm831x->dev, "Timed out reading AUXADC\n"); - ret = -EBUSY; - goto disable; + if (irq_masked) { + /* If we're not using interrupts then poll the + * interrupt status register */ + timeout = 5; + while (timeout) { + msleep(1); + + ret = wm831x_reg_read(wm831x, + WM831X_INTERRUPT_STATUS_1); + if (ret < 0) { + dev_err(wm831x->dev, + "ISR 1 read failed: %d\n", ret); + goto disable; + } + + /* Did it complete? */ + if (ret & WM831X_AUXADC_DATA_EINT) { + wm831x_reg_write(wm831x, + WM831X_INTERRUPT_STATUS_1, + WM831X_AUXADC_DATA_EINT); + break; + } else { + dev_err(wm831x->dev, + "AUXADC conversion timeout\n"); + ret = -EBUSY; + goto disable; + } + } + } else { + /* If we are using interrupts then wait for the + * interrupt to complete. Use an extremely long + * timeout to handle situations with heavy load where + * the notification of the interrupt may be delayed by + * threaded IRQ handling. */ + if (!wait_for_completion_timeout(&wm831x->auxadc_done, + msecs_to_jiffies(500))) { + dev_err(wm831x->dev, "Timed out waiting for AUXADC\n"); + ret = -EBUSY; + goto disable; + } } ret = wm831x_reg_read(wm831x, WM831X_AUXADC_DATA); @@ -1463,6 +1494,7 @@ static int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq) case WM8310: parent = WM8310; wm831x->num_gpio = 16; + wm831x->charger_irq_wake = 1; if (rev > 0) { wm831x->has_gpio_ena = 1; wm831x->has_cs_sts = 1; @@ -1474,6 +1506,7 @@ static int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq) case WM8311: parent = WM8311; wm831x->num_gpio = 16; + wm831x->charger_irq_wake = 1; if (rev > 0) { wm831x->has_gpio_ena = 1; wm831x->has_cs_sts = 1; @@ -1485,6 +1518,7 @@ static int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq) case WM8312: parent = WM8312; wm831x->num_gpio = 16; + wm831x->charger_irq_wake = 1; if (rev > 0) { wm831x->has_gpio_ena = 1; wm831x->has_cs_sts = 1; @@ -1623,6 +1657,42 @@ static void wm831x_device_exit(struct wm831x *wm831x) kfree(wm831x); } +static int wm831x_device_suspend(struct wm831x *wm831x) +{ + int reg, mask; + + /* If the charger IRQs are a wake source then make sure we ack + * them even if they're not actively being used (eg, no power + * driver or no IRQ line wired up) then acknowledge the + * interrupts otherwise suspend won't last very long. + */ + if (wm831x->charger_irq_wake) { + reg = wm831x_reg_read(wm831x, WM831X_INTERRUPT_STATUS_2_MASK); + + mask = WM831X_CHG_BATT_HOT_EINT | + WM831X_CHG_BATT_COLD_EINT | + WM831X_CHG_BATT_FAIL_EINT | + WM831X_CHG_OV_EINT | WM831X_CHG_END_EINT | + WM831X_CHG_TO_EINT | WM831X_CHG_MODE_EINT | + WM831X_CHG_START_EINT; + + /* If any of the interrupts are masked read the statuses */ + if (reg & mask) + reg = wm831x_reg_read(wm831x, + WM831X_INTERRUPT_STATUS_2); + + if (reg & mask) { + dev_info(wm831x->dev, + "Acknowledging masked charger IRQs: %x\n", + reg & mask); + wm831x_reg_write(wm831x, WM831X_INTERRUPT_STATUS_2, + reg & mask); + } + } + + return 0; +} + static int wm831x_i2c_read_device(struct wm831x *wm831x, unsigned short reg, int bytes, void *dest) { @@ -1697,6 +1767,13 @@ static int wm831x_i2c_remove(struct i2c_client *i2c) return 0; } +static int wm831x_i2c_suspend(struct i2c_client *i2c, pm_message_t mesg) +{ + struct wm831x *wm831x = i2c_get_clientdata(i2c); + + return wm831x_device_suspend(wm831x); +} + static const struct i2c_device_id wm831x_i2c_id[] = { { "wm8310", WM8310 }, { "wm8311", WM8311 }, @@ -1714,6 +1791,7 @@ static struct i2c_driver wm831x_i2c_driver = { }, .probe = wm831x_i2c_probe, .remove = wm831x_i2c_remove, + .suspend = wm831x_i2c_suspend, .id_table = wm831x_i2c_id, }; diff --git a/drivers/mfd/wm831x-irq.c b/drivers/mfd/wm831x-irq.c index 4c1122ceb443..7dabe4dbd373 100644 --- a/drivers/mfd/wm831x-irq.c +++ b/drivers/mfd/wm831x-irq.c @@ -39,8 +39,6 @@ struct wm831x_irq_data { int primary; int reg; int mask; - irq_handler_t handler; - void *handler_data; }; static struct wm831x_irq_data wm831x_irqs[] = { @@ -492,6 +490,14 @@ int wm831x_irq_init(struct wm831x *wm831x, int irq) mutex_init(&wm831x->irq_lock); + /* Mask the individual interrupt sources */ + for (i = 0; i < ARRAY_SIZE(wm831x->irq_masks_cur); i++) { + wm831x->irq_masks_cur[i] = 0xffff; + wm831x->irq_masks_cache[i] = 0xffff; + wm831x_reg_write(wm831x, WM831X_INTERRUPT_STATUS_1_MASK + i, + 0xffff); + } + if (!irq) { dev_warn(wm831x->dev, "No interrupt specified - functionality limited\n"); @@ -507,14 +513,6 @@ int wm831x_irq_init(struct wm831x *wm831x, int irq) wm831x->irq = irq; wm831x->irq_base = pdata->irq_base; - /* Mask the individual interrupt sources */ - for (i = 0; i < ARRAY_SIZE(wm831x->irq_masks_cur); i++) { - wm831x->irq_masks_cur[i] = 0xffff; - wm831x->irq_masks_cache[i] = 0xffff; - wm831x_reg_write(wm831x, WM831X_INTERRUPT_STATUS_1_MASK + i, - 0xffff); - } - /* Register them with genirq */ for (cur_irq = wm831x->irq_base; cur_irq < ARRAY_SIZE(wm831x_irqs) + wm831x->irq_base; diff --git a/drivers/mfd/wm8350-i2c.c b/drivers/mfd/wm8350-i2c.c index 65830f57c093..7795af4b1fe1 100644 --- a/drivers/mfd/wm8350-i2c.c +++ b/drivers/mfd/wm8350-i2c.c @@ -64,10 +64,8 @@ static int wm8350_i2c_probe(struct i2c_client *i2c, int ret = 0; wm8350 = kzalloc(sizeof(struct wm8350), GFP_KERNEL); - if (wm8350 == NULL) { - kfree(i2c); + if (wm8350 == NULL) return -ENOMEM; - } i2c_set_clientdata(i2c, wm8350); wm8350->dev = &i2c->dev; @@ -82,6 +80,7 @@ static int wm8350_i2c_probe(struct i2c_client *i2c, return ret; err: + i2c_set_clientdata(i2c, NULL); kfree(wm8350); return ret; } @@ -91,6 +90,7 @@ static int wm8350_i2c_remove(struct i2c_client *i2c) struct wm8350 *wm8350 = i2c_get_clientdata(i2c); wm8350_device_exit(wm8350); + i2c_set_clientdata(i2c, NULL); kfree(wm8350); return 0; diff --git a/drivers/mfd/wm8400-core.c b/drivers/mfd/wm8400-core.c index 865ce013a821..e08aafa663dc 100644 --- a/drivers/mfd/wm8400-core.c +++ b/drivers/mfd/wm8400-core.c @@ -118,7 +118,7 @@ static int wm8400_read(struct wm8400 *wm8400, u8 reg, int num_regs, u16 *dest) { int i, ret = 0; - BUG_ON(reg + num_regs - 1 > ARRAY_SIZE(wm8400->reg_cache)); + BUG_ON(reg + num_regs > ARRAY_SIZE(wm8400->reg_cache)); /* If there are any volatile reads then read back the entire block */ for (i = reg; i < reg + num_regs; i++) @@ -144,7 +144,7 @@ static int wm8400_write(struct wm8400 *wm8400, u8 reg, int num_regs, { int ret, i; - BUG_ON(reg + num_regs - 1 > ARRAY_SIZE(wm8400->reg_cache)); + BUG_ON(reg + num_regs > ARRAY_SIZE(wm8400->reg_cache)); for (i = 0; i < num_regs; i++) { BUG_ON(!reg_data[reg + i].writable); diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index e171e77f6129..f06d06e7fdfa 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -249,7 +249,7 @@ config MMC_IMX config MMC_MSM7X00A tristate "Qualcomm MSM 7X00A SDCC Controller Support" - depends on MMC && ARCH_MSM + depends on MMC && ARCH_MSM && !ARCH_MSM7X30 help This provides support for the SD/MMC cell found in the MSM 7X00A controllers from Qualcomm. diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c index d9d4a72e0ec7..fdf33e837a73 100644 --- a/drivers/mmc/host/mxcmmc.c +++ b/drivers/mmc/host/mxcmmc.c @@ -119,6 +119,7 @@ struct mxcmci_host { int detect_irq; int dma; int do_dma; + int default_irq_mask; int use_sdio; unsigned int power_mode; struct imxmmc_platform_data *pdata; @@ -228,7 +229,7 @@ static int mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data) static int mxcmci_start_cmd(struct mxcmci_host *host, struct mmc_command *cmd, unsigned int cmdat) { - u32 int_cntr; + u32 int_cntr = host->default_irq_mask; unsigned long flags; WARN_ON(host->cmd != NULL); @@ -275,7 +276,7 @@ static int mxcmci_start_cmd(struct mxcmci_host *host, struct mmc_command *cmd, static void mxcmci_finish_request(struct mxcmci_host *host, struct mmc_request *req) { - u32 int_cntr = 0; + u32 int_cntr = host->default_irq_mask; unsigned long flags; spin_lock_irqsave(&host->lock, flags); @@ -585,6 +586,9 @@ static irqreturn_t mxcmci_irq(int irq, void *devid) (stat & (STATUS_DATA_TRANS_DONE | STATUS_WRITE_OP_DONE))) mxcmci_data_done(host, stat); #endif + if (host->default_irq_mask && + (stat & (STATUS_CARD_INSERTION | STATUS_CARD_REMOVAL))) + mmc_detect_change(host->mmc, msecs_to_jiffies(200)); return IRQ_HANDLED; } @@ -809,6 +813,12 @@ static int mxcmci_probe(struct platform_device *pdev) else mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34; + if (host->pdata && host->pdata->dat3_card_detect) + host->default_irq_mask = + INT_CARD_INSERTION_EN | INT_CARD_REMOVAL_EN; + else + host->default_irq_mask = 0; + host->res = r; host->irq = irq; @@ -835,7 +845,7 @@ static int mxcmci_probe(struct platform_device *pdev) /* recommended in data sheet */ writew(0x2db4, host->base + MMC_REG_READ_TO); - writel(0, host->base + MMC_REG_INT_CNTR); + writel(host->default_irq_mask, host->base + MMC_REG_INT_CNTR); #ifdef HAS_DMA host->dma = imx_dma_request_by_prio(DRIVER_NAME, DMA_PRIO_LOW); diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c index 82e94389824e..0d76b169482f 100644 --- a/drivers/mtd/nand/mxc_nand.c +++ b/drivers/mtd/nand/mxc_nand.c @@ -623,8 +623,7 @@ static void mxc_nand_command(struct mtd_info *mtd, unsigned command, else host->buf_start = column + mtd->writesize; - if (mtd->writesize > 512) - command = NAND_CMD_READ0; /* only READ0 is valid */ + command = NAND_CMD_READ0; /* only READ0 is valid */ send_cmd(host, command, false); mxc_do_addr_cycle(mtd, column, page_addr); @@ -639,31 +638,11 @@ static void mxc_nand_command(struct mtd_info *mtd, unsigned command, break; case NAND_CMD_SEQIN: - if (column >= mtd->writesize) { - /* - * FIXME: before send SEQIN command for write OOB, - * We must read one page out. - * For K9F1GXX has no READ1 command to set current HW - * pointer to spare area, we must write the whole page - * including OOB together. - */ - if (mtd->writesize > 512) - /* call ourself to read a page */ - mxc_nand_command(mtd, NAND_CMD_READ0, 0, - page_addr); - - host->buf_start = column; - - /* Set program pointer to spare region */ - if (mtd->writesize == 512) - send_cmd(host, NAND_CMD_READOOB, false); - } else { - host->buf_start = column; + if (column >= mtd->writesize) + /* call ourself to read a page */ + mxc_nand_command(mtd, NAND_CMD_READ0, 0, page_addr); - /* Set program pointer to page start */ - if (mtd->writesize == 512) - send_cmd(host, NAND_CMD_READ0, false); - } + host->buf_start = column; send_cmd(host, command, false); mxc_do_addr_cycle(mtd, column, page_addr); @@ -853,6 +832,8 @@ static int __init mxcnd_probe(struct platform_device *pdev) parse_mtd_partitions(mtd, part_probes, &host->parts, 0); if (nr_parts > 0) add_mtd_partitions(mtd, host->parts, nr_parts); + else if (pdata->parts) + add_mtd_partitions(mtd, pdata->parts, pdata->nr_parts); else #endif { diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c index 72ebb3f06b86..4dfa6b90c21c 100644 --- a/drivers/mtd/ubi/cdev.c +++ b/drivers/mtd/ubi/cdev.c @@ -189,8 +189,7 @@ static loff_t vol_cdev_llseek(struct file *file, loff_t offset, int origin) return new_offset; } -static int vol_cdev_fsync(struct file *file, struct dentry *dentry, - int datasync) +static int vol_cdev_fsync(struct file *file, int datasync) { struct ubi_volume_desc *desc = file->private_data; struct ubi_device *ubi = desc->vol->ubi; diff --git a/drivers/net/3c507.c b/drivers/net/3c507.c index 82eaf65d2d85..ea9b7a098c9b 100644 --- a/drivers/net/3c507.c +++ b/drivers/net/3c507.c @@ -551,8 +551,7 @@ static irqreturn_t el16_interrupt(int irq, void *dev_id) void __iomem *shmem; if (dev == NULL) { - pr_err("%s: net_interrupt(): irq %d for unknown device.\n", - dev->name, irq); + pr_err("net_interrupt(): irq %d for unknown device.\n", irq); return IRQ_NONE; } diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c index c911bfb55b19..9e305d7fb4bd 100644 --- a/drivers/net/benet/be_cmds.c +++ b/drivers/net/benet/be_cmds.c @@ -294,7 +294,7 @@ int be_cmd_POST(struct be_adapter *adapter) } else { return 0; } - } while (timeout < 20); + } while (timeout < 40); dev_err(&adapter->pdev->dev, "POST timeout; stage=0x%x\n", stage); return -1; @@ -1429,7 +1429,7 @@ int be_cmd_write_flashrom(struct be_adapter *adapter, struct be_dma_mem *cmd, wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; - goto err; + goto err_unlock; } req = cmd->va; sge = nonembedded_sgl(wrb); @@ -1457,7 +1457,10 @@ int be_cmd_write_flashrom(struct be_adapter *adapter, struct be_dma_mem *cmd, else status = adapter->flash_status; -err: + return status; + +err_unlock: + spin_unlock_bh(&adapter->mcc_lock); return status; } @@ -1497,7 +1500,7 @@ err: return status; } -extern int be_cmd_enable_magic_wol(struct be_adapter *adapter, u8 *mac, +int be_cmd_enable_magic_wol(struct be_adapter *adapter, u8 *mac, struct be_dma_mem *nonemb_cmd) { struct be_mcc_wrb *wrb; @@ -1662,7 +1665,7 @@ err: return status; } -extern int be_cmd_get_seeprom_data(struct be_adapter *adapter, +int be_cmd_get_seeprom_data(struct be_adapter *adapter, struct be_dma_mem *nonemb_cmd) { struct be_mcc_wrb *wrb; diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c index aa065c71ddd8..54b14272f333 100644 --- a/drivers/net/benet/be_main.c +++ b/drivers/net/benet/be_main.c @@ -1861,7 +1861,7 @@ static int be_setup(struct be_adapter *adapter) goto if_destroy; } vf++; - } while (vf < num_vfs); + } } else if (!be_physfn(adapter)) { status = be_cmd_mac_addr_query(adapter, mac, MAC_ADDRESS_TYPE_NETWORK, false, adapter->if_handle); diff --git a/drivers/net/can/Kconfig b/drivers/net/can/Kconfig index 05b751719bd5..2c5227c02fa0 100644 --- a/drivers/net/can/Kconfig +++ b/drivers/net/can/Kconfig @@ -63,6 +63,16 @@ config CAN_BFIN To compile this driver as a module, choose M here: the module will be called bfin_can. +config CAN_JANZ_ICAN3 + tristate "Janz VMOD-ICAN3 Intelligent CAN controller" + depends on CAN_DEV && MFD_JANZ_CMODIO + ---help--- + Driver for Janz VMOD-ICAN3 Intelligent CAN controller module, which + connects to a MODULbus carrier board. + + This driver can also be built as a module. If so, the module will be + called janz-ican3.ko. + source "drivers/net/can/mscan/Kconfig" source "drivers/net/can/sja1000/Kconfig" diff --git a/drivers/net/can/Makefile b/drivers/net/can/Makefile index 7a702f28d01c..9047cd066fea 100644 --- a/drivers/net/can/Makefile +++ b/drivers/net/can/Makefile @@ -15,5 +15,6 @@ obj-$(CONFIG_CAN_AT91) += at91_can.o obj-$(CONFIG_CAN_TI_HECC) += ti_hecc.o obj-$(CONFIG_CAN_MCP251X) += mcp251x.o obj-$(CONFIG_CAN_BFIN) += bfin_can.o +obj-$(CONFIG_CAN_JANZ_ICAN3) += janz-ican3.o ccflags-$(CONFIG_CAN_DEBUG_DEVICES) := -DDEBUG diff --git a/drivers/net/can/janz-ican3.c b/drivers/net/can/janz-ican3.c new file mode 100644 index 000000000000..6e533dcc36c0 --- /dev/null +++ b/drivers/net/can/janz-ican3.c @@ -0,0 +1,1830 @@ +/* + * Janz MODULbus VMOD-ICAN3 CAN Interface Driver + * + * Copyright (c) 2010 Ira W. Snyder <iws@ovro.caltech.edu> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/platform_device.h> + +#include <linux/netdevice.h> +#include <linux/can.h> +#include <linux/can/dev.h> +#include <linux/can/error.h> + +#include <linux/mfd/janz.h> + +/* the DPM has 64k of memory, organized into 256x 256 byte pages */ +#define DPM_NUM_PAGES 256 +#define DPM_PAGE_SIZE 256 +#define DPM_PAGE_ADDR(p) ((p) * DPM_PAGE_SIZE) + +/* JANZ ICAN3 "old-style" host interface queue page numbers */ +#define QUEUE_OLD_CONTROL 0 +#define QUEUE_OLD_RB0 1 +#define QUEUE_OLD_RB1 2 +#define QUEUE_OLD_WB0 3 +#define QUEUE_OLD_WB1 4 + +/* Janz ICAN3 "old-style" host interface control registers */ +#define MSYNC_PEER 0x00 /* ICAN only */ +#define MSYNC_LOCL 0x01 /* host only */ +#define TARGET_RUNNING 0x02 + +#define MSYNC_RB0 0x01 +#define MSYNC_RB1 0x02 +#define MSYNC_RBLW 0x04 +#define MSYNC_RB_MASK (MSYNC_RB0 | MSYNC_RB1) + +#define MSYNC_WB0 0x10 +#define MSYNC_WB1 0x20 +#define MSYNC_WBLW 0x40 +#define MSYNC_WB_MASK (MSYNC_WB0 | MSYNC_WB1) + +/* Janz ICAN3 "new-style" host interface queue page numbers */ +#define QUEUE_TOHOST 5 +#define QUEUE_FROMHOST_MID 6 +#define QUEUE_FROMHOST_HIGH 7 +#define QUEUE_FROMHOST_LOW 8 + +/* The first free page in the DPM is #9 */ +#define DPM_FREE_START 9 + +/* Janz ICAN3 "new-style" and "fast" host interface descriptor flags */ +#define DESC_VALID 0x80 +#define DESC_WRAP 0x40 +#define DESC_INTERRUPT 0x20 +#define DESC_IVALID 0x10 +#define DESC_LEN(len) (len) + +/* Janz ICAN3 Firmware Messages */ +#define MSG_CONNECTI 0x02 +#define MSG_DISCONNECT 0x03 +#define MSG_IDVERS 0x04 +#define MSG_MSGLOST 0x05 +#define MSG_NEWHOSTIF 0x08 +#define MSG_INQUIRY 0x0a +#define MSG_SETAFILMASK 0x10 +#define MSG_INITFDPMQUEUE 0x11 +#define MSG_HWCONF 0x12 +#define MSG_FMSGLOST 0x15 +#define MSG_CEVTIND 0x37 +#define MSG_CBTRREQ 0x41 +#define MSG_COFFREQ 0x42 +#define MSG_CONREQ 0x43 +#define MSG_CCONFREQ 0x47 + +/* + * Janz ICAN3 CAN Inquiry Message Types + * + * NOTE: there appears to be a firmware bug here. You must send + * NOTE: INQUIRY_STATUS and expect to receive an INQUIRY_EXTENDED + * NOTE: response. The controller never responds to a message with + * NOTE: the INQUIRY_EXTENDED subspec :( + */ +#define INQUIRY_STATUS 0x00 +#define INQUIRY_TERMINATION 0x01 +#define INQUIRY_EXTENDED 0x04 + +/* Janz ICAN3 CAN Set Acceptance Filter Mask Message Types */ +#define SETAFILMASK_REJECT 0x00 +#define SETAFILMASK_FASTIF 0x02 + +/* Janz ICAN3 CAN Hardware Configuration Message Types */ +#define HWCONF_TERMINATE_ON 0x01 +#define HWCONF_TERMINATE_OFF 0x00 + +/* Janz ICAN3 CAN Event Indication Message Types */ +#define CEVTIND_EI 0x01 +#define CEVTIND_DOI 0x02 +#define CEVTIND_LOST 0x04 +#define CEVTIND_FULL 0x08 +#define CEVTIND_BEI 0x10 + +#define CEVTIND_CHIP_SJA1000 0x02 + +#define ICAN3_BUSERR_QUOTA_MAX 255 + +/* Janz ICAN3 CAN Frame Conversion */ +#define ICAN3_ECHO 0x10 +#define ICAN3_EFF_RTR 0x40 +#define ICAN3_SFF_RTR 0x10 +#define ICAN3_EFF 0x80 + +#define ICAN3_CAN_TYPE_MASK 0x0f +#define ICAN3_CAN_TYPE_SFF 0x00 +#define ICAN3_CAN_TYPE_EFF 0x01 + +#define ICAN3_CAN_DLC_MASK 0x0f + +/* + * SJA1000 Status and Error Register Definitions + * + * Copied from drivers/net/can/sja1000/sja1000.h + */ + +/* status register content */ +#define SR_BS 0x80 +#define SR_ES 0x40 +#define SR_TS 0x20 +#define SR_RS 0x10 +#define SR_TCS 0x08 +#define SR_TBS 0x04 +#define SR_DOS 0x02 +#define SR_RBS 0x01 + +#define SR_CRIT (SR_BS|SR_ES) + +/* ECC register */ +#define ECC_SEG 0x1F +#define ECC_DIR 0x20 +#define ECC_ERR 6 +#define ECC_BIT 0x00 +#define ECC_FORM 0x40 +#define ECC_STUFF 0x80 +#define ECC_MASK 0xc0 + +/* Number of buffers for use in the "new-style" host interface */ +#define ICAN3_NEW_BUFFERS 16 + +/* Number of buffers for use in the "fast" host interface */ +#define ICAN3_TX_BUFFERS 512 +#define ICAN3_RX_BUFFERS 1024 + +/* SJA1000 Clock Input */ +#define ICAN3_CAN_CLOCK 8000000 + +/* Driver Name */ +#define DRV_NAME "janz-ican3" + +/* DPM Control Registers -- starts at offset 0x100 in the MODULbus registers */ +struct ican3_dpm_control { + /* window address register */ + u8 window_address; + u8 unused1; + + /* + * Read access: clear interrupt from microcontroller + * Write access: send interrupt to microcontroller + */ + u8 interrupt; + u8 unused2; + + /* write-only: reset all hardware on the module */ + u8 hwreset; + u8 unused3; + + /* write-only: generate an interrupt to the TPU */ + u8 tpuinterrupt; +}; + +struct ican3_dev { + + /* must be the first member */ + struct can_priv can; + + /* CAN network device */ + struct net_device *ndev; + struct napi_struct napi; + + /* Device for printing */ + struct device *dev; + + /* module number */ + unsigned int num; + + /* base address of registers and IRQ */ + struct janz_cmodio_onboard_regs __iomem *ctrl; + struct ican3_dpm_control __iomem *dpmctrl; + void __iomem *dpm; + int irq; + + /* CAN bus termination status */ + struct completion termination_comp; + bool termination_enabled; + + /* CAN bus error status registers */ + struct completion buserror_comp; + struct can_berr_counter bec; + + /* old and new style host interface */ + unsigned int iftype; + + /* + * Any function which changes the current DPM page must hold this + * lock while it is performing data accesses. This ensures that the + * function will not be preempted and end up reading data from a + * different DPM page than it expects. + */ + spinlock_t lock; + + /* new host interface */ + unsigned int rx_int; + unsigned int rx_num; + unsigned int tx_num; + + /* fast host interface */ + unsigned int fastrx_start; + unsigned int fastrx_int; + unsigned int fastrx_num; + unsigned int fasttx_start; + unsigned int fasttx_num; + + /* first free DPM page */ + unsigned int free_page; +}; + +struct ican3_msg { + u8 control; + u8 spec; + __le16 len; + u8 data[252]; +}; + +struct ican3_new_desc { + u8 control; + u8 pointer; +}; + +struct ican3_fast_desc { + u8 control; + u8 command; + u8 data[14]; +}; + +/* write to the window basic address register */ +static inline void ican3_set_page(struct ican3_dev *mod, unsigned int page) +{ + BUG_ON(page >= DPM_NUM_PAGES); + iowrite8(page, &mod->dpmctrl->window_address); +} + +/* + * ICAN3 "old-style" host interface + */ + +/* + * Recieve a message from the ICAN3 "old-style" firmware interface + * + * LOCKING: must hold mod->lock + * + * returns 0 on success, -ENOMEM when no message exists + */ +static int ican3_old_recv_msg(struct ican3_dev *mod, struct ican3_msg *msg) +{ + unsigned int mbox, mbox_page; + u8 locl, peer, xord; + + /* get the MSYNC registers */ + ican3_set_page(mod, QUEUE_OLD_CONTROL); + peer = ioread8(mod->dpm + MSYNC_PEER); + locl = ioread8(mod->dpm + MSYNC_LOCL); + xord = locl ^ peer; + + if ((xord & MSYNC_RB_MASK) == 0x00) { + dev_dbg(mod->dev, "no mbox for reading\n"); + return -ENOMEM; + } + + /* find the first free mbox to read */ + if ((xord & MSYNC_RB_MASK) == MSYNC_RB_MASK) + mbox = (xord & MSYNC_RBLW) ? MSYNC_RB0 : MSYNC_RB1; + else + mbox = (xord & MSYNC_RB0) ? MSYNC_RB0 : MSYNC_RB1; + + /* copy the message */ + mbox_page = (mbox == MSYNC_RB0) ? QUEUE_OLD_RB0 : QUEUE_OLD_RB1; + ican3_set_page(mod, mbox_page); + memcpy_fromio(msg, mod->dpm, sizeof(*msg)); + + /* + * notify the firmware that the read buffer is available + * for it to fill again + */ + locl ^= mbox; + + ican3_set_page(mod, QUEUE_OLD_CONTROL); + iowrite8(locl, mod->dpm + MSYNC_LOCL); + return 0; +} + +/* + * Send a message through the "old-style" firmware interface + * + * LOCKING: must hold mod->lock + * + * returns 0 on success, -ENOMEM when no free space exists + */ +static int ican3_old_send_msg(struct ican3_dev *mod, struct ican3_msg *msg) +{ + unsigned int mbox, mbox_page; + u8 locl, peer, xord; + + /* get the MSYNC registers */ + ican3_set_page(mod, QUEUE_OLD_CONTROL); + peer = ioread8(mod->dpm + MSYNC_PEER); + locl = ioread8(mod->dpm + MSYNC_LOCL); + xord = locl ^ peer; + + if ((xord & MSYNC_WB_MASK) == MSYNC_WB_MASK) { + dev_err(mod->dev, "no mbox for writing\n"); + return -ENOMEM; + } + + /* calculate a free mbox to use */ + mbox = (xord & MSYNC_WB0) ? MSYNC_WB1 : MSYNC_WB0; + + /* copy the message to the DPM */ + mbox_page = (mbox == MSYNC_WB0) ? QUEUE_OLD_WB0 : QUEUE_OLD_WB1; + ican3_set_page(mod, mbox_page); + memcpy_toio(mod->dpm, msg, sizeof(*msg)); + + locl ^= mbox; + if (mbox == MSYNC_WB1) + locl |= MSYNC_WBLW; + + ican3_set_page(mod, QUEUE_OLD_CONTROL); + iowrite8(locl, mod->dpm + MSYNC_LOCL); + return 0; +} + +/* + * ICAN3 "new-style" Host Interface Setup + */ + +static void __devinit ican3_init_new_host_interface(struct ican3_dev *mod) +{ + struct ican3_new_desc desc; + unsigned long flags; + void __iomem *dst; + int i; + + spin_lock_irqsave(&mod->lock, flags); + + /* setup the internal datastructures for RX */ + mod->rx_num = 0; + mod->rx_int = 0; + + /* tohost queue descriptors are in page 5 */ + ican3_set_page(mod, QUEUE_TOHOST); + dst = mod->dpm; + + /* initialize the tohost (rx) queue descriptors: pages 9-24 */ + for (i = 0; i < ICAN3_NEW_BUFFERS; i++) { + desc.control = DESC_INTERRUPT | DESC_LEN(1); /* I L=1 */ + desc.pointer = mod->free_page; + + /* set wrap flag on last buffer */ + if (i == ICAN3_NEW_BUFFERS - 1) + desc.control |= DESC_WRAP; + + memcpy_toio(dst, &desc, sizeof(desc)); + dst += sizeof(desc); + mod->free_page++; + } + + /* fromhost (tx) mid queue descriptors are in page 6 */ + ican3_set_page(mod, QUEUE_FROMHOST_MID); + dst = mod->dpm; + + /* setup the internal datastructures for TX */ + mod->tx_num = 0; + + /* initialize the fromhost mid queue descriptors: pages 25-40 */ + for (i = 0; i < ICAN3_NEW_BUFFERS; i++) { + desc.control = DESC_VALID | DESC_LEN(1); /* V L=1 */ + desc.pointer = mod->free_page; + + /* set wrap flag on last buffer */ + if (i == ICAN3_NEW_BUFFERS - 1) + desc.control |= DESC_WRAP; + + memcpy_toio(dst, &desc, sizeof(desc)); + dst += sizeof(desc); + mod->free_page++; + } + + /* fromhost hi queue descriptors are in page 7 */ + ican3_set_page(mod, QUEUE_FROMHOST_HIGH); + dst = mod->dpm; + + /* initialize only a single buffer in the fromhost hi queue (unused) */ + desc.control = DESC_VALID | DESC_WRAP | DESC_LEN(1); /* VW L=1 */ + desc.pointer = mod->free_page; + memcpy_toio(dst, &desc, sizeof(desc)); + mod->free_page++; + + /* fromhost low queue descriptors are in page 8 */ + ican3_set_page(mod, QUEUE_FROMHOST_LOW); + dst = mod->dpm; + + /* initialize only a single buffer in the fromhost low queue (unused) */ + desc.control = DESC_VALID | DESC_WRAP | DESC_LEN(1); /* VW L=1 */ + desc.pointer = mod->free_page; + memcpy_toio(dst, &desc, sizeof(desc)); + mod->free_page++; + + spin_unlock_irqrestore(&mod->lock, flags); +} + +/* + * ICAN3 Fast Host Interface Setup + */ + +static void __devinit ican3_init_fast_host_interface(struct ican3_dev *mod) +{ + struct ican3_fast_desc desc; + unsigned long flags; + unsigned int addr; + void __iomem *dst; + int i; + + spin_lock_irqsave(&mod->lock, flags); + + /* save the start recv page */ + mod->fastrx_start = mod->free_page; + mod->fastrx_num = 0; + mod->fastrx_int = 0; + + /* build a single fast tohost queue descriptor */ + memset(&desc, 0, sizeof(desc)); + desc.control = 0x00; + desc.command = 1; + + /* build the tohost queue descriptor ring in memory */ + addr = 0; + for (i = 0; i < ICAN3_RX_BUFFERS; i++) { + + /* set the wrap bit on the last buffer */ + if (i == ICAN3_RX_BUFFERS - 1) + desc.control |= DESC_WRAP; + + /* switch to the correct page */ + ican3_set_page(mod, mod->free_page); + + /* copy the descriptor to the DPM */ + dst = mod->dpm + addr; + memcpy_toio(dst, &desc, sizeof(desc)); + addr += sizeof(desc); + + /* move to the next page if necessary */ + if (addr >= DPM_PAGE_SIZE) { + addr = 0; + mod->free_page++; + } + } + + /* make sure we page-align the next queue */ + if (addr != 0) + mod->free_page++; + + /* save the start xmit page */ + mod->fasttx_start = mod->free_page; + mod->fasttx_num = 0; + + /* build a single fast fromhost queue descriptor */ + memset(&desc, 0, sizeof(desc)); + desc.control = DESC_VALID; + desc.command = 1; + + /* build the fromhost queue descriptor ring in memory */ + addr = 0; + for (i = 0; i < ICAN3_TX_BUFFERS; i++) { + + /* set the wrap bit on the last buffer */ + if (i == ICAN3_TX_BUFFERS - 1) + desc.control |= DESC_WRAP; + + /* switch to the correct page */ + ican3_set_page(mod, mod->free_page); + + /* copy the descriptor to the DPM */ + dst = mod->dpm + addr; + memcpy_toio(dst, &desc, sizeof(desc)); + addr += sizeof(desc); + + /* move to the next page if necessary */ + if (addr >= DPM_PAGE_SIZE) { + addr = 0; + mod->free_page++; + } + } + + spin_unlock_irqrestore(&mod->lock, flags); +} + +/* + * ICAN3 "new-style" Host Interface Message Helpers + */ + +/* + * LOCKING: must hold mod->lock + */ +static int ican3_new_send_msg(struct ican3_dev *mod, struct ican3_msg *msg) +{ + struct ican3_new_desc desc; + void __iomem *desc_addr = mod->dpm + (mod->tx_num * sizeof(desc)); + + /* switch to the fromhost mid queue, and read the buffer descriptor */ + ican3_set_page(mod, QUEUE_FROMHOST_MID); + memcpy_fromio(&desc, desc_addr, sizeof(desc)); + + if (!(desc.control & DESC_VALID)) { + dev_dbg(mod->dev, "%s: no free buffers\n", __func__); + return -ENOMEM; + } + + /* switch to the data page, copy the data */ + ican3_set_page(mod, desc.pointer); + memcpy_toio(mod->dpm, msg, sizeof(*msg)); + + /* switch back to the descriptor, set the valid bit, write it back */ + ican3_set_page(mod, QUEUE_FROMHOST_MID); + desc.control ^= DESC_VALID; + memcpy_toio(desc_addr, &desc, sizeof(desc)); + + /* update the tx number */ + mod->tx_num = (desc.control & DESC_WRAP) ? 0 : (mod->tx_num + 1); + return 0; +} + +/* + * LOCKING: must hold mod->lock + */ +static int ican3_new_recv_msg(struct ican3_dev *mod, struct ican3_msg *msg) +{ + struct ican3_new_desc desc; + void __iomem *desc_addr = mod->dpm + (mod->rx_num * sizeof(desc)); + + /* switch to the tohost queue, and read the buffer descriptor */ + ican3_set_page(mod, QUEUE_TOHOST); + memcpy_fromio(&desc, desc_addr, sizeof(desc)); + + if (!(desc.control & DESC_VALID)) { + dev_dbg(mod->dev, "%s: no buffers to recv\n", __func__); + return -ENOMEM; + } + + /* switch to the data page, copy the data */ + ican3_set_page(mod, desc.pointer); + memcpy_fromio(msg, mod->dpm, sizeof(*msg)); + + /* switch back to the descriptor, toggle the valid bit, write it back */ + ican3_set_page(mod, QUEUE_TOHOST); + desc.control ^= DESC_VALID; + memcpy_toio(desc_addr, &desc, sizeof(desc)); + + /* update the rx number */ + mod->rx_num = (desc.control & DESC_WRAP) ? 0 : (mod->rx_num + 1); + return 0; +} + +/* + * Message Send / Recv Helpers + */ + +static int ican3_send_msg(struct ican3_dev *mod, struct ican3_msg *msg) +{ + unsigned long flags; + int ret; + + spin_lock_irqsave(&mod->lock, flags); + + if (mod->iftype == 0) + ret = ican3_old_send_msg(mod, msg); + else + ret = ican3_new_send_msg(mod, msg); + + spin_unlock_irqrestore(&mod->lock, flags); + return ret; +} + +static int ican3_recv_msg(struct ican3_dev *mod, struct ican3_msg *msg) +{ + unsigned long flags; + int ret; + + spin_lock_irqsave(&mod->lock, flags); + + if (mod->iftype == 0) + ret = ican3_old_recv_msg(mod, msg); + else + ret = ican3_new_recv_msg(mod, msg); + + spin_unlock_irqrestore(&mod->lock, flags); + return ret; +} + +/* + * Quick Pre-constructed Messages + */ + +static int __devinit ican3_msg_connect(struct ican3_dev *mod) +{ + struct ican3_msg msg; + + memset(&msg, 0, sizeof(msg)); + msg.spec = MSG_CONNECTI; + msg.len = cpu_to_le16(0); + + return ican3_send_msg(mod, &msg); +} + +static int __devexit ican3_msg_disconnect(struct ican3_dev *mod) +{ + struct ican3_msg msg; + + memset(&msg, 0, sizeof(msg)); + msg.spec = MSG_DISCONNECT; + msg.len = cpu_to_le16(0); + + return ican3_send_msg(mod, &msg); +} + +static int __devinit ican3_msg_newhostif(struct ican3_dev *mod) +{ + struct ican3_msg msg; + int ret; + + memset(&msg, 0, sizeof(msg)); + msg.spec = MSG_NEWHOSTIF; + msg.len = cpu_to_le16(0); + + /* If we're not using the old interface, switching seems bogus */ + WARN_ON(mod->iftype != 0); + + ret = ican3_send_msg(mod, &msg); + if (ret) + return ret; + + /* mark the module as using the new host interface */ + mod->iftype = 1; + return 0; +} + +static int __devinit ican3_msg_fasthostif(struct ican3_dev *mod) +{ + struct ican3_msg msg; + unsigned int addr; + + memset(&msg, 0, sizeof(msg)); + msg.spec = MSG_INITFDPMQUEUE; + msg.len = cpu_to_le16(8); + + /* write the tohost queue start address */ + addr = DPM_PAGE_ADDR(mod->fastrx_start); + msg.data[0] = addr & 0xff; + msg.data[1] = (addr >> 8) & 0xff; + msg.data[2] = (addr >> 16) & 0xff; + msg.data[3] = (addr >> 24) & 0xff; + + /* write the fromhost queue start address */ + addr = DPM_PAGE_ADDR(mod->fasttx_start); + msg.data[4] = addr & 0xff; + msg.data[5] = (addr >> 8) & 0xff; + msg.data[6] = (addr >> 16) & 0xff; + msg.data[7] = (addr >> 24) & 0xff; + + /* If we're not using the new interface yet, we cannot do this */ + WARN_ON(mod->iftype != 1); + + return ican3_send_msg(mod, &msg); +} + +/* + * Setup the CAN filter to either accept or reject all + * messages from the CAN bus. + */ +static int __devinit ican3_set_id_filter(struct ican3_dev *mod, bool accept) +{ + struct ican3_msg msg; + int ret; + + /* Standard Frame Format */ + memset(&msg, 0, sizeof(msg)); + msg.spec = MSG_SETAFILMASK; + msg.len = cpu_to_le16(5); + msg.data[0] = 0x00; /* IDLo LSB */ + msg.data[1] = 0x00; /* IDLo MSB */ + msg.data[2] = 0xff; /* IDHi LSB */ + msg.data[3] = 0x07; /* IDHi MSB */ + + /* accept all frames for fast host if, or reject all frames */ + msg.data[4] = accept ? SETAFILMASK_FASTIF : SETAFILMASK_REJECT; + + ret = ican3_send_msg(mod, &msg); + if (ret) + return ret; + + /* Extended Frame Format */ + memset(&msg, 0, sizeof(msg)); + msg.spec = MSG_SETAFILMASK; + msg.len = cpu_to_le16(13); + msg.data[0] = 0; /* MUX = 0 */ + msg.data[1] = 0x00; /* IDLo LSB */ + msg.data[2] = 0x00; + msg.data[3] = 0x00; + msg.data[4] = 0x20; /* IDLo MSB */ + msg.data[5] = 0xff; /* IDHi LSB */ + msg.data[6] = 0xff; + msg.data[7] = 0xff; + msg.data[8] = 0x3f; /* IDHi MSB */ + + /* accept all frames for fast host if, or reject all frames */ + msg.data[9] = accept ? SETAFILMASK_FASTIF : SETAFILMASK_REJECT; + + return ican3_send_msg(mod, &msg); +} + +/* + * Bring the CAN bus online or offline + */ +static int ican3_set_bus_state(struct ican3_dev *mod, bool on) +{ + struct ican3_msg msg; + + memset(&msg, 0, sizeof(msg)); + msg.spec = on ? MSG_CONREQ : MSG_COFFREQ; + msg.len = cpu_to_le16(0); + + return ican3_send_msg(mod, &msg); +} + +static int ican3_set_termination(struct ican3_dev *mod, bool on) +{ + struct ican3_msg msg; + + memset(&msg, 0, sizeof(msg)); + msg.spec = MSG_HWCONF; + msg.len = cpu_to_le16(2); + msg.data[0] = 0x00; + msg.data[1] = on ? HWCONF_TERMINATE_ON : HWCONF_TERMINATE_OFF; + + return ican3_send_msg(mod, &msg); +} + +static int ican3_send_inquiry(struct ican3_dev *mod, u8 subspec) +{ + struct ican3_msg msg; + + memset(&msg, 0, sizeof(msg)); + msg.spec = MSG_INQUIRY; + msg.len = cpu_to_le16(2); + msg.data[0] = subspec; + msg.data[1] = 0x00; + + return ican3_send_msg(mod, &msg); +} + +static int ican3_set_buserror(struct ican3_dev *mod, u8 quota) +{ + struct ican3_msg msg; + + memset(&msg, 0, sizeof(msg)); + msg.spec = MSG_CCONFREQ; + msg.len = cpu_to_le16(2); + msg.data[0] = 0x00; + msg.data[1] = quota; + + return ican3_send_msg(mod, &msg); +} + +/* + * ICAN3 to Linux CAN Frame Conversion + */ + +static void ican3_to_can_frame(struct ican3_dev *mod, + struct ican3_fast_desc *desc, + struct can_frame *cf) +{ + if ((desc->command & ICAN3_CAN_TYPE_MASK) == ICAN3_CAN_TYPE_SFF) { + if (desc->data[1] & ICAN3_SFF_RTR) + cf->can_id |= CAN_RTR_FLAG; + + cf->can_id |= desc->data[0] << 3; + cf->can_id |= (desc->data[1] & 0xe0) >> 5; + cf->can_dlc = desc->data[1] & ICAN3_CAN_DLC_MASK; + memcpy(cf->data, &desc->data[2], sizeof(cf->data)); + } else { + cf->can_dlc = desc->data[0] & ICAN3_CAN_DLC_MASK; + if (desc->data[0] & ICAN3_EFF_RTR) + cf->can_id |= CAN_RTR_FLAG; + + if (desc->data[0] & ICAN3_EFF) { + cf->can_id |= CAN_EFF_FLAG; + cf->can_id |= desc->data[2] << 21; /* 28-21 */ + cf->can_id |= desc->data[3] << 13; /* 20-13 */ + cf->can_id |= desc->data[4] << 5; /* 12-5 */ + cf->can_id |= (desc->data[5] & 0xf8) >> 3; + } else { + cf->can_id |= desc->data[2] << 3; /* 10-3 */ + cf->can_id |= desc->data[3] >> 5; /* 2-0 */ + } + + memcpy(cf->data, &desc->data[6], sizeof(cf->data)); + } +} + +static void can_frame_to_ican3(struct ican3_dev *mod, + struct can_frame *cf, + struct ican3_fast_desc *desc) +{ + /* clear out any stale data in the descriptor */ + memset(desc->data, 0, sizeof(desc->data)); + + /* we always use the extended format, with the ECHO flag set */ + desc->command = ICAN3_CAN_TYPE_EFF; + desc->data[0] |= cf->can_dlc; + desc->data[1] |= ICAN3_ECHO; + + if (cf->can_id & CAN_RTR_FLAG) + desc->data[0] |= ICAN3_EFF_RTR; + + /* pack the id into the correct places */ + if (cf->can_id & CAN_EFF_FLAG) { + desc->data[0] |= ICAN3_EFF; + desc->data[2] = (cf->can_id & 0x1fe00000) >> 21; /* 28-21 */ + desc->data[3] = (cf->can_id & 0x001fe000) >> 13; /* 20-13 */ + desc->data[4] = (cf->can_id & 0x00001fe0) >> 5; /* 12-5 */ + desc->data[5] = (cf->can_id & 0x0000001f) << 3; /* 4-0 */ + } else { + desc->data[2] = (cf->can_id & 0x7F8) >> 3; /* bits 10-3 */ + desc->data[3] = (cf->can_id & 0x007) << 5; /* bits 2-0 */ + } + + /* copy the data bits into the descriptor */ + memcpy(&desc->data[6], cf->data, sizeof(cf->data)); +} + +/* + * Interrupt Handling + */ + +/* + * Handle an ID + Version message response from the firmware. We never generate + * this message in production code, but it is very useful when debugging to be + * able to display this message. + */ +static void ican3_handle_idvers(struct ican3_dev *mod, struct ican3_msg *msg) +{ + dev_dbg(mod->dev, "IDVERS response: %s\n", msg->data); +} + +static void ican3_handle_msglost(struct ican3_dev *mod, struct ican3_msg *msg) +{ + struct net_device *dev = mod->ndev; + struct net_device_stats *stats = &dev->stats; + struct can_frame *cf; + struct sk_buff *skb; + + /* + * Report that communication messages with the microcontroller firmware + * are being lost. These are never CAN frames, so we do not generate an + * error frame for userspace + */ + if (msg->spec == MSG_MSGLOST) { + dev_err(mod->dev, "lost %d control messages\n", msg->data[0]); + return; + } + + /* + * Oops, this indicates that we have lost messages in the fast queue, + * which are exclusively CAN messages. Our driver isn't reading CAN + * frames fast enough. + * + * We'll pretend that the SJA1000 told us that it ran out of buffer + * space, because there is not a better message for this. + */ + skb = alloc_can_err_skb(dev, &cf); + if (skb) { + cf->can_id |= CAN_ERR_CRTL; + cf->data[1] = CAN_ERR_CRTL_RX_OVERFLOW; + stats->rx_errors++; + stats->rx_bytes += cf->can_dlc; + netif_rx(skb); + } +} + +/* + * Handle CAN Event Indication Messages from the firmware + * + * The ICAN3 firmware provides the values of some SJA1000 registers when it + * generates this message. The code below is largely copied from the + * drivers/net/can/sja1000/sja1000.c file, and adapted as necessary + */ +static int ican3_handle_cevtind(struct ican3_dev *mod, struct ican3_msg *msg) +{ + struct net_device *dev = mod->ndev; + struct net_device_stats *stats = &dev->stats; + enum can_state state = mod->can.state; + u8 status, isrc, rxerr, txerr; + struct can_frame *cf; + struct sk_buff *skb; + + /* we can only handle the SJA1000 part */ + if (msg->data[1] != CEVTIND_CHIP_SJA1000) { + dev_err(mod->dev, "unable to handle errors on non-SJA1000\n"); + return -ENODEV; + } + + /* check the message length for sanity */ + if (le16_to_cpu(msg->len) < 6) { + dev_err(mod->dev, "error message too short\n"); + return -EINVAL; + } + + skb = alloc_can_err_skb(dev, &cf); + if (skb == NULL) + return -ENOMEM; + + isrc = msg->data[0]; + status = msg->data[3]; + rxerr = msg->data[4]; + txerr = msg->data[5]; + + /* data overrun interrupt */ + if (isrc == CEVTIND_DOI || isrc == CEVTIND_LOST) { + dev_dbg(mod->dev, "data overrun interrupt\n"); + cf->can_id |= CAN_ERR_CRTL; + cf->data[1] = CAN_ERR_CRTL_RX_OVERFLOW; + stats->rx_over_errors++; + stats->rx_errors++; + } + + /* error warning + passive interrupt */ + if (isrc == CEVTIND_EI) { + dev_dbg(mod->dev, "error warning + passive interrupt\n"); + if (status & SR_BS) { + state = CAN_STATE_BUS_OFF; + cf->can_id |= CAN_ERR_BUSOFF; + can_bus_off(dev); + } else if (status & SR_ES) { + if (rxerr >= 128 || txerr >= 128) + state = CAN_STATE_ERROR_PASSIVE; + else + state = CAN_STATE_ERROR_WARNING; + } else { + state = CAN_STATE_ERROR_ACTIVE; + } + } + + /* bus error interrupt */ + if (isrc == CEVTIND_BEI) { + u8 ecc = msg->data[2]; + + dev_dbg(mod->dev, "bus error interrupt\n"); + mod->can.can_stats.bus_error++; + stats->rx_errors++; + cf->can_id |= CAN_ERR_PROT | CAN_ERR_BUSERROR; + + switch (ecc & ECC_MASK) { + case ECC_BIT: + cf->data[2] |= CAN_ERR_PROT_BIT; + break; + case ECC_FORM: + cf->data[2] |= CAN_ERR_PROT_FORM; + break; + case ECC_STUFF: + cf->data[2] |= CAN_ERR_PROT_STUFF; + break; + default: + cf->data[2] |= CAN_ERR_PROT_UNSPEC; + cf->data[3] = ecc & ECC_SEG; + break; + } + + if ((ecc & ECC_DIR) == 0) + cf->data[2] |= CAN_ERR_PROT_TX; + + cf->data[6] = txerr; + cf->data[7] = rxerr; + } + + if (state != mod->can.state && (state == CAN_STATE_ERROR_WARNING || + state == CAN_STATE_ERROR_PASSIVE)) { + cf->can_id |= CAN_ERR_CRTL; + if (state == CAN_STATE_ERROR_WARNING) { + mod->can.can_stats.error_warning++; + cf->data[1] = (txerr > rxerr) ? + CAN_ERR_CRTL_TX_WARNING : + CAN_ERR_CRTL_RX_WARNING; + } else { + mod->can.can_stats.error_passive++; + cf->data[1] = (txerr > rxerr) ? + CAN_ERR_CRTL_TX_PASSIVE : + CAN_ERR_CRTL_RX_PASSIVE; + } + + cf->data[6] = txerr; + cf->data[7] = rxerr; + } + + mod->can.state = state; + stats->rx_errors++; + stats->rx_bytes += cf->can_dlc; + netif_rx(skb); + return 0; +} + +static void ican3_handle_inquiry(struct ican3_dev *mod, struct ican3_msg *msg) +{ + switch (msg->data[0]) { + case INQUIRY_STATUS: + case INQUIRY_EXTENDED: + mod->bec.rxerr = msg->data[5]; + mod->bec.txerr = msg->data[6]; + complete(&mod->buserror_comp); + break; + case INQUIRY_TERMINATION: + mod->termination_enabled = msg->data[6] & HWCONF_TERMINATE_ON; + complete(&mod->termination_comp); + break; + default: + dev_err(mod->dev, "recieved an unknown inquiry response\n"); + break; + } +} + +static void ican3_handle_unknown_message(struct ican3_dev *mod, + struct ican3_msg *msg) +{ + dev_warn(mod->dev, "recieved unknown message: spec 0x%.2x length %d\n", + msg->spec, le16_to_cpu(msg->len)); +} + +/* + * Handle a control message from the firmware + */ +static void ican3_handle_message(struct ican3_dev *mod, struct ican3_msg *msg) +{ + dev_dbg(mod->dev, "%s: modno %d spec 0x%.2x len %d bytes\n", __func__, + mod->num, msg->spec, le16_to_cpu(msg->len)); + + switch (msg->spec) { + case MSG_IDVERS: + ican3_handle_idvers(mod, msg); + break; + case MSG_MSGLOST: + case MSG_FMSGLOST: + ican3_handle_msglost(mod, msg); + break; + case MSG_CEVTIND: + ican3_handle_cevtind(mod, msg); + break; + case MSG_INQUIRY: + ican3_handle_inquiry(mod, msg); + break; + default: + ican3_handle_unknown_message(mod, msg); + break; + } +} + +/* + * Check that there is room in the TX ring to transmit another skb + * + * LOCKING: must hold mod->lock + */ +static bool ican3_txok(struct ican3_dev *mod) +{ + struct ican3_fast_desc __iomem *desc; + u8 control; + + /* copy the control bits of the descriptor */ + ican3_set_page(mod, mod->fasttx_start + (mod->fasttx_num / 16)); + desc = mod->dpm + ((mod->fasttx_num % 16) * sizeof(*desc)); + control = ioread8(&desc->control); + + /* if the control bits are not valid, then we have no more space */ + if (!(control & DESC_VALID)) + return false; + + return true; +} + +/* + * Recieve one CAN frame from the hardware + * + * This works like the core of a NAPI function, but is intended to be called + * from workqueue context instead. This driver already needs a workqueue to + * process control messages, so we use the workqueue instead of using NAPI. + * This was done to simplify locking. + * + * CONTEXT: must be called from user context + */ +static int ican3_recv_skb(struct ican3_dev *mod) +{ + struct net_device *ndev = mod->ndev; + struct net_device_stats *stats = &ndev->stats; + struct ican3_fast_desc desc; + void __iomem *desc_addr; + struct can_frame *cf; + struct sk_buff *skb; + unsigned long flags; + + spin_lock_irqsave(&mod->lock, flags); + + /* copy the whole descriptor */ + ican3_set_page(mod, mod->fastrx_start + (mod->fastrx_num / 16)); + desc_addr = mod->dpm + ((mod->fastrx_num % 16) * sizeof(desc)); + memcpy_fromio(&desc, desc_addr, sizeof(desc)); + + spin_unlock_irqrestore(&mod->lock, flags); + + /* check that we actually have a CAN frame */ + if (!(desc.control & DESC_VALID)) + return -ENOBUFS; + + /* allocate an skb */ + skb = alloc_can_skb(ndev, &cf); + if (unlikely(skb == NULL)) { + stats->rx_dropped++; + goto err_noalloc; + } + + /* convert the ICAN3 frame into Linux CAN format */ + ican3_to_can_frame(mod, &desc, cf); + + /* receive the skb, update statistics */ + netif_receive_skb(skb); + stats->rx_packets++; + stats->rx_bytes += cf->can_dlc; + +err_noalloc: + /* toggle the valid bit and return the descriptor to the ring */ + desc.control ^= DESC_VALID; + + spin_lock_irqsave(&mod->lock, flags); + + ican3_set_page(mod, mod->fastrx_start + (mod->fastrx_num / 16)); + memcpy_toio(desc_addr, &desc, 1); + + /* update the next buffer pointer */ + mod->fastrx_num = (desc.control & DESC_WRAP) ? 0 + : (mod->fastrx_num + 1); + + /* there are still more buffers to process */ + spin_unlock_irqrestore(&mod->lock, flags); + return 0; +} + +static int ican3_napi(struct napi_struct *napi, int budget) +{ + struct ican3_dev *mod = container_of(napi, struct ican3_dev, napi); + struct ican3_msg msg; + unsigned long flags; + int received = 0; + int ret; + + /* process all communication messages */ + while (true) { + ret = ican3_recv_msg(mod, &msg); + if (ret) + break; + + ican3_handle_message(mod, &msg); + } + + /* process all CAN frames from the fast interface */ + while (received < budget) { + ret = ican3_recv_skb(mod); + if (ret) + break; + + received++; + } + + /* We have processed all packets that the adapter had, but it + * was less than our budget, stop polling */ + if (received < budget) + napi_complete(napi); + + spin_lock_irqsave(&mod->lock, flags); + + /* Wake up the transmit queue if necessary */ + if (netif_queue_stopped(mod->ndev) && ican3_txok(mod)) + netif_wake_queue(mod->ndev); + + spin_unlock_irqrestore(&mod->lock, flags); + + /* re-enable interrupt generation */ + iowrite8(1 << mod->num, &mod->ctrl->int_enable); + return received; +} + +static irqreturn_t ican3_irq(int irq, void *dev_id) +{ + struct ican3_dev *mod = dev_id; + u8 stat; + + /* + * The interrupt status register on this device reports interrupts + * as zeroes instead of using ones like most other devices + */ + stat = ioread8(&mod->ctrl->int_disable) & (1 << mod->num); + if (stat == (1 << mod->num)) + return IRQ_NONE; + + /* clear the MODULbus interrupt from the microcontroller */ + ioread8(&mod->dpmctrl->interrupt); + + /* disable interrupt generation, schedule the NAPI poller */ + iowrite8(1 << mod->num, &mod->ctrl->int_disable); + napi_schedule(&mod->napi); + return IRQ_HANDLED; +} + +/* + * Firmware reset, startup, and shutdown + */ + +/* + * Reset an ICAN module to its power-on state + * + * CONTEXT: no network device registered + * LOCKING: work function disabled + */ +static int ican3_reset_module(struct ican3_dev *mod) +{ + u8 val = 1 << mod->num; + unsigned long start; + u8 runold, runnew; + + /* disable interrupts so no more work is scheduled */ + iowrite8(1 << mod->num, &mod->ctrl->int_disable); + + /* flush any pending work */ + flush_scheduled_work(); + + /* the first unallocated page in the DPM is #9 */ + mod->free_page = DPM_FREE_START; + + ican3_set_page(mod, QUEUE_OLD_CONTROL); + runold = ioread8(mod->dpm + TARGET_RUNNING); + + /* reset the module */ + iowrite8(val, &mod->ctrl->reset_assert); + iowrite8(val, &mod->ctrl->reset_deassert); + + /* wait until the module has finished resetting and is running */ + start = jiffies; + do { + ican3_set_page(mod, QUEUE_OLD_CONTROL); + runnew = ioread8(mod->dpm + TARGET_RUNNING); + if (runnew == (runold ^ 0xff)) + return 0; + + msleep(10); + } while (time_before(jiffies, start + HZ / 4)); + + dev_err(mod->dev, "failed to reset CAN module\n"); + return -ETIMEDOUT; +} + +static void __devexit ican3_shutdown_module(struct ican3_dev *mod) +{ + ican3_msg_disconnect(mod); + ican3_reset_module(mod); +} + +/* + * Startup an ICAN module, bringing it into fast mode + */ +static int __devinit ican3_startup_module(struct ican3_dev *mod) +{ + int ret; + + ret = ican3_reset_module(mod); + if (ret) { + dev_err(mod->dev, "unable to reset module\n"); + return ret; + } + + /* re-enable interrupts so we can send messages */ + iowrite8(1 << mod->num, &mod->ctrl->int_enable); + + ret = ican3_msg_connect(mod); + if (ret) { + dev_err(mod->dev, "unable to connect to module\n"); + return ret; + } + + ican3_init_new_host_interface(mod); + ret = ican3_msg_newhostif(mod); + if (ret) { + dev_err(mod->dev, "unable to switch to new-style interface\n"); + return ret; + } + + /* default to "termination on" */ + ret = ican3_set_termination(mod, true); + if (ret) { + dev_err(mod->dev, "unable to enable termination\n"); + return ret; + } + + /* default to "bus errors enabled" */ + ret = ican3_set_buserror(mod, ICAN3_BUSERR_QUOTA_MAX); + if (ret) { + dev_err(mod->dev, "unable to set bus-error\n"); + return ret; + } + + ican3_init_fast_host_interface(mod); + ret = ican3_msg_fasthostif(mod); + if (ret) { + dev_err(mod->dev, "unable to switch to fast host interface\n"); + return ret; + } + + ret = ican3_set_id_filter(mod, true); + if (ret) { + dev_err(mod->dev, "unable to set acceptance filter\n"); + return ret; + } + + return 0; +} + +/* + * CAN Network Device + */ + +static int ican3_open(struct net_device *ndev) +{ + struct ican3_dev *mod = netdev_priv(ndev); + u8 quota; + int ret; + + /* open the CAN layer */ + ret = open_candev(ndev); + if (ret) { + dev_err(mod->dev, "unable to start CAN layer\n"); + return ret; + } + + /* set the bus error generation state appropriately */ + if (mod->can.ctrlmode & CAN_CTRLMODE_BERR_REPORTING) + quota = ICAN3_BUSERR_QUOTA_MAX; + else + quota = 0; + + ret = ican3_set_buserror(mod, quota); + if (ret) { + dev_err(mod->dev, "unable to set bus-error\n"); + close_candev(ndev); + return ret; + } + + /* bring the bus online */ + ret = ican3_set_bus_state(mod, true); + if (ret) { + dev_err(mod->dev, "unable to set bus-on\n"); + close_candev(ndev); + return ret; + } + + /* start up the network device */ + mod->can.state = CAN_STATE_ERROR_ACTIVE; + netif_start_queue(ndev); + + return 0; +} + +static int ican3_stop(struct net_device *ndev) +{ + struct ican3_dev *mod = netdev_priv(ndev); + int ret; + + /* stop the network device xmit routine */ + netif_stop_queue(ndev); + mod->can.state = CAN_STATE_STOPPED; + + /* bring the bus offline, stop receiving packets */ + ret = ican3_set_bus_state(mod, false); + if (ret) { + dev_err(mod->dev, "unable to set bus-off\n"); + return ret; + } + + /* close the CAN layer */ + close_candev(ndev); + return 0; +} + +static int ican3_xmit(struct sk_buff *skb, struct net_device *ndev) +{ + struct ican3_dev *mod = netdev_priv(ndev); + struct net_device_stats *stats = &ndev->stats; + struct can_frame *cf = (struct can_frame *)skb->data; + struct ican3_fast_desc desc; + void __iomem *desc_addr; + unsigned long flags; + + spin_lock_irqsave(&mod->lock, flags); + + /* check that we can actually transmit */ + if (!ican3_txok(mod)) { + dev_err(mod->dev, "no free descriptors, stopping queue\n"); + netif_stop_queue(ndev); + spin_unlock_irqrestore(&mod->lock, flags); + return NETDEV_TX_BUSY; + } + + /* copy the control bits of the descriptor */ + ican3_set_page(mod, mod->fasttx_start + (mod->fasttx_num / 16)); + desc_addr = mod->dpm + ((mod->fasttx_num % 16) * sizeof(desc)); + memset(&desc, 0, sizeof(desc)); + memcpy_fromio(&desc, desc_addr, 1); + + /* convert the Linux CAN frame into ICAN3 format */ + can_frame_to_ican3(mod, cf, &desc); + + /* + * the programming manual says that you must set the IVALID bit, then + * interrupt, then set the valid bit. Quite weird, but it seems to be + * required for this to work + */ + desc.control |= DESC_IVALID; + memcpy_toio(desc_addr, &desc, sizeof(desc)); + + /* generate a MODULbus interrupt to the microcontroller */ + iowrite8(0x01, &mod->dpmctrl->interrupt); + + desc.control ^= DESC_VALID; + memcpy_toio(desc_addr, &desc, sizeof(desc)); + + /* update the next buffer pointer */ + mod->fasttx_num = (desc.control & DESC_WRAP) ? 0 + : (mod->fasttx_num + 1); + + /* update statistics */ + stats->tx_packets++; + stats->tx_bytes += cf->can_dlc; + kfree_skb(skb); + + /* + * This hardware doesn't have TX-done notifications, so we'll try and + * emulate it the best we can using ECHO skbs. Get the next TX + * descriptor, and see if we have room to send. If not, stop the queue. + * It will be woken when the ECHO skb for the current packet is recv'd. + */ + + /* copy the control bits of the descriptor */ + if (!ican3_txok(mod)) + netif_stop_queue(ndev); + + spin_unlock_irqrestore(&mod->lock, flags); + return NETDEV_TX_OK; +} + +static const struct net_device_ops ican3_netdev_ops = { + .ndo_open = ican3_open, + .ndo_stop = ican3_stop, + .ndo_start_xmit = ican3_xmit, +}; + +/* + * Low-level CAN Device + */ + +/* This structure was stolen from drivers/net/can/sja1000/sja1000.c */ +static struct can_bittiming_const ican3_bittiming_const = { + .name = DRV_NAME, + .tseg1_min = 1, + .tseg1_max = 16, + .tseg2_min = 1, + .tseg2_max = 8, + .sjw_max = 4, + .brp_min = 1, + .brp_max = 64, + .brp_inc = 1, +}; + +/* + * This routine was stolen from drivers/net/can/sja1000/sja1000.c + * + * The bittiming register command for the ICAN3 just sets the bit timing + * registers on the SJA1000 chip directly + */ +static int ican3_set_bittiming(struct net_device *ndev) +{ + struct ican3_dev *mod = netdev_priv(ndev); + struct can_bittiming *bt = &mod->can.bittiming; + struct ican3_msg msg; + u8 btr0, btr1; + + btr0 = ((bt->brp - 1) & 0x3f) | (((bt->sjw - 1) & 0x3) << 6); + btr1 = ((bt->prop_seg + bt->phase_seg1 - 1) & 0xf) | + (((bt->phase_seg2 - 1) & 0x7) << 4); + if (mod->can.ctrlmode & CAN_CTRLMODE_3_SAMPLES) + btr1 |= 0x80; + + memset(&msg, 0, sizeof(msg)); + msg.spec = MSG_CBTRREQ; + msg.len = cpu_to_le16(4); + msg.data[0] = 0x00; + msg.data[1] = 0x00; + msg.data[2] = btr0; + msg.data[3] = btr1; + + return ican3_send_msg(mod, &msg); +} + +static int ican3_set_mode(struct net_device *ndev, enum can_mode mode) +{ + struct ican3_dev *mod = netdev_priv(ndev); + int ret; + + if (mode != CAN_MODE_START) + return -ENOTSUPP; + + /* bring the bus online */ + ret = ican3_set_bus_state(mod, true); + if (ret) { + dev_err(mod->dev, "unable to set bus-on\n"); + return ret; + } + + /* start up the network device */ + mod->can.state = CAN_STATE_ERROR_ACTIVE; + + if (netif_queue_stopped(ndev)) + netif_wake_queue(ndev); + + return 0; +} + +static int ican3_get_berr_counter(const struct net_device *ndev, + struct can_berr_counter *bec) +{ + struct ican3_dev *mod = netdev_priv(ndev); + int ret; + + ret = ican3_send_inquiry(mod, INQUIRY_STATUS); + if (ret) + return ret; + + ret = wait_for_completion_timeout(&mod->buserror_comp, HZ); + if (ret <= 0) { + dev_info(mod->dev, "%s timed out\n", __func__); + return -ETIMEDOUT; + } + + bec->rxerr = mod->bec.rxerr; + bec->txerr = mod->bec.txerr; + return 0; +} + +/* + * Sysfs Attributes + */ + +static ssize_t ican3_sysfs_show_term(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct ican3_dev *mod = netdev_priv(to_net_dev(dev)); + int ret; + + ret = ican3_send_inquiry(mod, INQUIRY_TERMINATION); + if (ret) + return ret; + + ret = wait_for_completion_timeout(&mod->termination_comp, HZ); + if (ret <= 0) { + dev_info(mod->dev, "%s timed out\n", __func__); + return -ETIMEDOUT; + } + + return snprintf(buf, PAGE_SIZE, "%u\n", mod->termination_enabled); +} + +static ssize_t ican3_sysfs_set_term(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct ican3_dev *mod = netdev_priv(to_net_dev(dev)); + unsigned long enable; + int ret; + + if (strict_strtoul(buf, 0, &enable)) + return -EINVAL; + + ret = ican3_set_termination(mod, enable); + if (ret) + return ret; + + return count; +} + +static DEVICE_ATTR(termination, S_IWUGO | S_IRUGO, ican3_sysfs_show_term, + ican3_sysfs_set_term); + +static struct attribute *ican3_sysfs_attrs[] = { + &dev_attr_termination.attr, + NULL, +}; + +static struct attribute_group ican3_sysfs_attr_group = { + .attrs = ican3_sysfs_attrs, +}; + +/* + * PCI Subsystem + */ + +static int __devinit ican3_probe(struct platform_device *pdev) +{ + struct janz_platform_data *pdata; + struct net_device *ndev; + struct ican3_dev *mod; + struct resource *res; + struct device *dev; + int ret; + + pdata = pdev->dev.platform_data; + if (!pdata) + return -ENXIO; + + dev_dbg(&pdev->dev, "probe: module number %d\n", pdata->modno); + + /* save the struct device for printing */ + dev = &pdev->dev; + + /* allocate the CAN device and private data */ + ndev = alloc_candev(sizeof(*mod), 0); + if (!ndev) { + dev_err(dev, "unable to allocate CANdev\n"); + ret = -ENOMEM; + goto out_return; + } + + platform_set_drvdata(pdev, ndev); + mod = netdev_priv(ndev); + mod->ndev = ndev; + mod->dev = &pdev->dev; + mod->num = pdata->modno; + netif_napi_add(ndev, &mod->napi, ican3_napi, ICAN3_RX_BUFFERS); + spin_lock_init(&mod->lock); + init_completion(&mod->termination_comp); + init_completion(&mod->buserror_comp); + + /* setup device-specific sysfs attributes */ + ndev->sysfs_groups[0] = &ican3_sysfs_attr_group; + + /* the first unallocated page in the DPM is 9 */ + mod->free_page = DPM_FREE_START; + + ndev->netdev_ops = &ican3_netdev_ops; + ndev->flags |= IFF_ECHO; + SET_NETDEV_DEV(ndev, &pdev->dev); + + mod->can.clock.freq = ICAN3_CAN_CLOCK; + mod->can.bittiming_const = &ican3_bittiming_const; + mod->can.do_set_bittiming = ican3_set_bittiming; + mod->can.do_set_mode = ican3_set_mode; + mod->can.do_get_berr_counter = ican3_get_berr_counter; + mod->can.ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES + | CAN_CTRLMODE_BERR_REPORTING; + + /* find our IRQ number */ + mod->irq = platform_get_irq(pdev, 0); + if (mod->irq < 0) { + dev_err(dev, "IRQ line not found\n"); + ret = -ENODEV; + goto out_free_ndev; + } + + ndev->irq = mod->irq; + + /* get access to the MODULbus registers for this module */ + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(dev, "MODULbus registers not found\n"); + ret = -ENODEV; + goto out_free_ndev; + } + + mod->dpm = ioremap(res->start, resource_size(res)); + if (!mod->dpm) { + dev_err(dev, "MODULbus registers not ioremap\n"); + ret = -ENOMEM; + goto out_free_ndev; + } + + mod->dpmctrl = mod->dpm + DPM_PAGE_SIZE; + + /* get access to the control registers for this module */ + res = platform_get_resource(pdev, IORESOURCE_MEM, 1); + if (!res) { + dev_err(dev, "CONTROL registers not found\n"); + ret = -ENODEV; + goto out_iounmap_dpm; + } + + mod->ctrl = ioremap(res->start, resource_size(res)); + if (!mod->ctrl) { + dev_err(dev, "CONTROL registers not ioremap\n"); + ret = -ENOMEM; + goto out_iounmap_dpm; + } + + /* disable our IRQ, then hookup the IRQ handler */ + iowrite8(1 << mod->num, &mod->ctrl->int_disable); + ret = request_irq(mod->irq, ican3_irq, IRQF_SHARED, DRV_NAME, mod); + if (ret) { + dev_err(dev, "unable to request IRQ\n"); + goto out_iounmap_ctrl; + } + + /* reset and initialize the CAN controller into fast mode */ + napi_enable(&mod->napi); + ret = ican3_startup_module(mod); + if (ret) { + dev_err(dev, "%s: unable to start CANdev\n", __func__); + goto out_free_irq; + } + + /* register with the Linux CAN layer */ + ret = register_candev(ndev); + if (ret) { + dev_err(dev, "%s: unable to register CANdev\n", __func__); + goto out_free_irq; + } + + dev_info(dev, "module %d: registered CAN device\n", pdata->modno); + return 0; + +out_free_irq: + napi_disable(&mod->napi); + iowrite8(1 << mod->num, &mod->ctrl->int_disable); + free_irq(mod->irq, mod); +out_iounmap_ctrl: + iounmap(mod->ctrl); +out_iounmap_dpm: + iounmap(mod->dpm); +out_free_ndev: + free_candev(ndev); +out_return: + return ret; +} + +static int __devexit ican3_remove(struct platform_device *pdev) +{ + struct net_device *ndev = platform_get_drvdata(pdev); + struct ican3_dev *mod = netdev_priv(ndev); + + /* unregister the netdevice, stop interrupts */ + unregister_netdev(ndev); + napi_disable(&mod->napi); + iowrite8(1 << mod->num, &mod->ctrl->int_disable); + free_irq(mod->irq, mod); + + /* put the module into reset */ + ican3_shutdown_module(mod); + + /* unmap all registers */ + iounmap(mod->ctrl); + iounmap(mod->dpm); + + free_candev(ndev); + + return 0; +} + +static struct platform_driver ican3_driver = { + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + }, + .probe = ican3_probe, + .remove = __devexit_p(ican3_remove), +}; + +static int __init ican3_init(void) +{ + return platform_driver_register(&ican3_driver); +} + +static void __exit ican3_exit(void) +{ + platform_driver_unregister(&ican3_driver); +} + +MODULE_AUTHOR("Ira W. Snyder <iws@ovro.caltech.edu>"); +MODULE_DESCRIPTION("Janz MODULbus VMOD-ICAN3 Driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:janz-ican3"); + +module_init(ican3_init); +module_exit(ican3_exit); diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c index be90d3598bca..fe925663d39a 100644 --- a/drivers/net/cnic.c +++ b/drivers/net/cnic.c @@ -3367,13 +3367,9 @@ static int cnic_cm_shutdown(struct cnic_dev *dev) static void cnic_init_context(struct cnic_dev *dev, u32 cid) { - struct cnic_local *cp = dev->cnic_priv; u32 cid_addr; int i; - if (CHIP_NUM(cp) == CHIP_NUM_5709) - return; - cid_addr = GET_CID_ADDR(cid); for (i = 0; i < CTX_SIZE; i += 4) @@ -3530,14 +3526,11 @@ static void cnic_init_bnx2_tx_ring(struct cnic_dev *dev) sb_id = cp->status_blk_num; tx_cid = 20; - cnic_init_context(dev, tx_cid); - cnic_init_context(dev, tx_cid + 1); cp->tx_cons_ptr = &s_blk->status_tx_quick_consumer_index2; if (ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX) { struct status_block_msix *sblk = cp->status_blk.bnx2; tx_cid = TX_TSS_CID + sb_id - 1; - cnic_init_context(dev, tx_cid); CNIC_WR(dev, BNX2_TSCH_TSS_CFG, (sb_id << 24) | (TX_TSS_CID << 7)); cp->tx_cons_ptr = &sblk->status_tx_quick_consumer_index; @@ -3556,6 +3549,9 @@ static void cnic_init_bnx2_tx_ring(struct cnic_dev *dev) offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI; offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI; } else { + cnic_init_context(dev, tx_cid); + cnic_init_context(dev, tx_cid + 1); + offset0 = BNX2_L2CTX_TYPE; offset1 = BNX2_L2CTX_CMD_TYPE; offset2 = BNX2_L2CTX_TBDR_BHADDR_HI; diff --git a/drivers/net/cnic_if.h b/drivers/net/cnic_if.h index 110c62072e6f..0c55177db046 100644 --- a/drivers/net/cnic_if.h +++ b/drivers/net/cnic_if.h @@ -12,8 +12,8 @@ #ifndef CNIC_IF_H #define CNIC_IF_H -#define CNIC_MODULE_VERSION "2.1.1" -#define CNIC_MODULE_RELDATE "Feb 22, 2010" +#define CNIC_MODULE_VERSION "2.1.2" +#define CNIC_MODULE_RELDATE "May 26, 2010" #define CNIC_ULP_RDMA 0 #define CNIC_ULP_ISCSI 1 diff --git a/drivers/net/fec.c b/drivers/net/fec.c index 326465ffbb23..ddf7a86cd466 100644 --- a/drivers/net/fec.c +++ b/drivers/net/fec.c @@ -681,6 +681,8 @@ static int fec_enet_mii_probe(struct net_device *dev) struct phy_device *phy_dev = NULL; int phy_addr; + fep->phy_dev = NULL; + /* find the first phy */ for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) { if (fep->mii_bus->phy_map[phy_addr]) { @@ -711,6 +713,11 @@ static int fec_enet_mii_probe(struct net_device *dev) fep->link = 0; fep->full_duplex = 0; + printk(KERN_INFO "%s: Freescale FEC PHY driver [%s] " + "(mii_bus:phy_addr=%s, irq=%d)\n", dev->name, + fep->phy_dev->drv->name, dev_name(&fep->phy_dev->dev), + fep->phy_dev->irq); + return 0; } @@ -756,13 +763,8 @@ static int fec_enet_mii_init(struct platform_device *pdev) if (mdiobus_register(fep->mii_bus)) goto err_out_free_mdio_irq; - if (fec_enet_mii_probe(dev) != 0) - goto err_out_unregister_bus; - return 0; -err_out_unregister_bus: - mdiobus_unregister(fep->mii_bus); err_out_free_mdio_irq: kfree(fep->mii_bus->irq); err_out_free_mdiobus: @@ -915,7 +917,12 @@ fec_enet_open(struct net_device *dev) if (ret) return ret; - /* schedule a link state check */ + /* Probe and connect to PHY when open the interface */ + ret = fec_enet_mii_probe(dev); + if (ret) { + fec_enet_free_buffers(dev); + return ret; + } phy_start(fep->phy_dev); netif_start_queue(dev); fep->opened = 1; @@ -929,10 +936,12 @@ fec_enet_close(struct net_device *dev) /* Don't know what to do yet. */ fep->opened = 0; - phy_stop(fep->phy_dev); netif_stop_queue(dev); fec_stop(dev); + if (fep->phy_dev) + phy_disconnect(fep->phy_dev); + fec_enet_free_buffers(dev); return 0; @@ -1316,11 +1325,6 @@ fec_probe(struct platform_device *pdev) if (ret) goto failed_register; - printk(KERN_INFO "%s: Freescale FEC PHY driver [%s] " - "(mii_bus:phy_addr=%s, irq=%d)\n", ndev->name, - fep->phy_dev->drv->name, dev_name(&fep->phy_dev->dev), - fep->phy_dev->irq); - return 0; failed_register: diff --git a/drivers/net/fs_enet/mac-fcc.c b/drivers/net/fs_enet/mac-fcc.c index 5d45084b287d..48e91b6242ce 100644 --- a/drivers/net/fs_enet/mac-fcc.c +++ b/drivers/net/fs_enet/mac-fcc.c @@ -504,17 +504,54 @@ static int get_regs_len(struct net_device *dev) } /* Some transmit errors cause the transmitter to shut - * down. We now issue a restart transmit. Since the - * errors close the BD and update the pointers, the restart - * _should_ pick up without having to reset any of our - * pointers either. Also, To workaround 8260 device erratum - * CPM37, we must disable and then re-enable the transmitter - * following a Late Collision, Underrun, or Retry Limit error. + * down. We now issue a restart transmit. + * Also, to workaround 8260 device erratum CPM37, we must + * disable and then re-enable the transmitterfollowing a + * Late Collision, Underrun, or Retry Limit error. + * In addition, tbptr may point beyond BDs beyond still marked + * as ready due to internal pipelining, so we need to look back + * through the BDs and adjust tbptr to point to the last BD + * marked as ready. This may result in some buffers being + * retransmitted. */ static void tx_restart(struct net_device *dev) { struct fs_enet_private *fep = netdev_priv(dev); fcc_t __iomem *fccp = fep->fcc.fccp; + const struct fs_platform_info *fpi = fep->fpi; + fcc_enet_t __iomem *ep = fep->fcc.ep; + cbd_t __iomem *curr_tbptr; + cbd_t __iomem *recheck_bd; + cbd_t __iomem *prev_bd; + cbd_t __iomem *last_tx_bd; + + last_tx_bd = fep->tx_bd_base + (fpi->tx_ring * sizeof(cbd_t)); + + /* get the current bd held in TBPTR and scan back from this point */ + recheck_bd = curr_tbptr = (cbd_t __iomem *) + ((R32(ep, fen_genfcc.fcc_tbptr) - fep->ring_mem_addr) + + fep->ring_base); + + prev_bd = (recheck_bd == fep->tx_bd_base) ? last_tx_bd : recheck_bd - 1; + + /* Move through the bds in reverse, look for the earliest buffer + * that is not ready. Adjust TBPTR to the following buffer */ + while ((CBDR_SC(prev_bd) & BD_ENET_TX_READY) != 0) { + /* Go back one buffer */ + recheck_bd = prev_bd; + + /* update the previous buffer */ + prev_bd = (prev_bd == fep->tx_bd_base) ? last_tx_bd : prev_bd - 1; + + /* We should never see all bds marked as ready, check anyway */ + if (recheck_bd == curr_tbptr) + break; + } + /* Now update the TBPTR and dirty flag to the current buffer */ + W32(ep, fen_genfcc.fcc_tbptr, + (uint) (((void *)recheck_bd - fep->ring_base) + + fep->ring_mem_addr)); + fep->dirty_tx = recheck_bd; C32(fccp, fcc_gfmr, FCC_GFMR_ENT); udelay(10); diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c index 694132e04af6..4e7d1d0a2340 100644 --- a/drivers/net/hamradio/yam.c +++ b/drivers/net/hamradio/yam.c @@ -1151,8 +1151,7 @@ static int __init yam_init_driver(void) dev = alloc_netdev(sizeof(struct yam_port), name, yam_setup); if (!dev) { - printk(KERN_ERR "yam: cannot allocate net device %s\n", - dev->name); + pr_err("yam: cannot allocate net device\n"); err = -ENOMEM; goto error; } diff --git a/drivers/net/ll_temac.h b/drivers/net/ll_temac.h index c03358434acb..522abe2ff25a 100644 --- a/drivers/net/ll_temac.h +++ b/drivers/net/ll_temac.h @@ -295,6 +295,10 @@ This option defaults to enabled (set) */ #define MULTICAST_CAM_TABLE_NUM 4 +/* TEMAC Synthesis features */ +#define TEMAC_FEATURE_RX_CSUM (1 << 0) +#define TEMAC_FEATURE_TX_CSUM (1 << 1) + /* TX/RX CURDESC_PTR points to first descriptor */ /* TX/RX TAILDESC_PTR points to last descriptor in linked list */ @@ -353,6 +357,7 @@ struct temac_local { struct mutex indirect_mutex; u32 options; /* Current options word */ int last_link; + unsigned int temac_features; /* Buffer descriptors */ struct cdmac_bd *tx_bd_v; diff --git a/drivers/net/ll_temac_main.c b/drivers/net/ll_temac_main.c index fa7620e28404..52dcc8495647 100644 --- a/drivers/net/ll_temac_main.c +++ b/drivers/net/ll_temac_main.c @@ -245,7 +245,7 @@ static int temac_dma_bd_init(struct net_device *ndev) CHNL_CTRL_IRQ_COAL_EN); /* 0x10220483 */ /* 0x00100483 */ - lp->dma_out(lp, RX_CHNL_CTRL, 0xff010000 | + lp->dma_out(lp, RX_CHNL_CTRL, 0xff070000 | CHNL_CTRL_IRQ_EN | CHNL_CTRL_IRQ_DLY_EN | CHNL_CTRL_IRQ_COAL_EN | @@ -574,6 +574,10 @@ static void temac_start_xmit_done(struct net_device *ndev) if (cur_p->app4) dev_kfree_skb_irq((struct sk_buff *)cur_p->app4); cur_p->app0 = 0; + cur_p->app1 = 0; + cur_p->app2 = 0; + cur_p->app3 = 0; + cur_p->app4 = 0; ndev->stats.tx_packets++; ndev->stats.tx_bytes += cur_p->len; @@ -589,6 +593,29 @@ static void temac_start_xmit_done(struct net_device *ndev) netif_wake_queue(ndev); } +static inline int temac_check_tx_bd_space(struct temac_local *lp, int num_frag) +{ + struct cdmac_bd *cur_p; + int tail; + + tail = lp->tx_bd_tail; + cur_p = &lp->tx_bd_v[tail]; + + do { + if (cur_p->app0) + return NETDEV_TX_BUSY; + + tail++; + if (tail >= TX_BD_NUM) + tail = 0; + + cur_p = &lp->tx_bd_v[tail]; + num_frag--; + } while (num_frag >= 0); + + return 0; +} + static int temac_start_xmit(struct sk_buff *skb, struct net_device *ndev) { struct temac_local *lp = netdev_priv(ndev); @@ -603,7 +630,7 @@ static int temac_start_xmit(struct sk_buff *skb, struct net_device *ndev) start_p = lp->tx_bd_p + sizeof(*lp->tx_bd_v) * lp->tx_bd_tail; cur_p = &lp->tx_bd_v[lp->tx_bd_tail]; - if (cur_p->app0 & STS_CTRL_APP0_CMPLT) { + if (temac_check_tx_bd_space(lp, num_frag)) { if (!netif_queue_stopped(ndev)) { netif_stop_queue(ndev); return NETDEV_TX_BUSY; @@ -613,29 +640,14 @@ static int temac_start_xmit(struct sk_buff *skb, struct net_device *ndev) cur_p->app0 = 0; if (skb->ip_summed == CHECKSUM_PARTIAL) { - const struct iphdr *ip = ip_hdr(skb); - int length = 0, start = 0, insert = 0; - - switch (ip->protocol) { - case IPPROTO_TCP: - start = sizeof(struct iphdr) + ETH_HLEN; - insert = sizeof(struct iphdr) + ETH_HLEN + 16; - length = ip->tot_len - sizeof(struct iphdr); - break; - case IPPROTO_UDP: - start = sizeof(struct iphdr) + ETH_HLEN; - insert = sizeof(struct iphdr) + ETH_HLEN + 6; - length = ip->tot_len - sizeof(struct iphdr); - break; - default: - break; - } - cur_p->app1 = ((start << 16) | insert); - cur_p->app2 = csum_tcpudp_magic(ip->saddr, ip->daddr, - length, ip->protocol, 0); - skb->data[insert] = 0; - skb->data[insert + 1] = 0; + unsigned int csum_start_off = skb_transport_offset(skb); + unsigned int csum_index_off = csum_start_off + skb->csum_offset; + + cur_p->app0 |= 1; /* TX Checksum Enabled */ + cur_p->app1 = (csum_start_off << 16) | csum_index_off; + cur_p->app2 = 0; /* initial checksum seed */ } + cur_p->app0 |= STS_CTRL_APP0_SOP; cur_p->len = skb_headlen(skb); cur_p->phys = dma_map_single(ndev->dev.parent, skb->data, skb->len, @@ -699,6 +711,15 @@ static void ll_temac_recv(struct net_device *ndev) skb->protocol = eth_type_trans(skb, ndev); skb->ip_summed = CHECKSUM_NONE; + /* if we're doing rx csum offload, set it up */ + if (((lp->temac_features & TEMAC_FEATURE_RX_CSUM) != 0) && + (skb->protocol == __constant_htons(ETH_P_IP)) && + (skb->len > 64)) { + + skb->csum = cur_p->app3 & 0xFFFF; + skb->ip_summed = CHECKSUM_COMPLETE; + } + netif_rx(skb); ndev->stats.rx_packets++; @@ -883,6 +904,7 @@ temac_of_probe(struct of_device *op, const struct of_device_id *match) struct temac_local *lp; struct net_device *ndev; const void *addr; + __be32 *p; int size, rc = 0; /* Init network device structure */ @@ -926,6 +948,18 @@ temac_of_probe(struct of_device *op, const struct of_device_id *match) goto nodev; } + /* Setup checksum offload, but default to off if not specified */ + lp->temac_features = 0; + p = (__be32 *)of_get_property(op->dev.of_node, "xlnx,txcsum", NULL); + if (p && be32_to_cpu(*p)) { + lp->temac_features |= TEMAC_FEATURE_TX_CSUM; + /* Can checksum TCP/UDP over IPv4. */ + ndev->features |= NETIF_F_IP_CSUM; + } + p = (__be32 *)of_get_property(op->dev.of_node, "xlnx,rxcsum", NULL); + if (p && be32_to_cpu(*p)) + lp->temac_features |= TEMAC_FEATURE_RX_CSUM; + /* Find the DMA node, map the DMA registers, and decode the DMA IRQs */ np = of_parse_phandle(op->dev.of_node, "llink-connected", 0); if (!np) { @@ -950,7 +984,7 @@ temac_of_probe(struct of_device *op, const struct of_device_id *match) lp->rx_irq = irq_of_parse_and_map(np, 0); lp->tx_irq = irq_of_parse_and_map(np, 1); - if (!lp->rx_irq || !lp->tx_irq) { + if ((lp->rx_irq == NO_IRQ) || (lp->tx_irq == NO_IRQ)) { dev_err(&op->dev, "could not determine irqs\n"); rc = -ENOMEM; goto nodev; diff --git a/drivers/net/mac8390.c b/drivers/net/mac8390.c index 1136c9a22b67..c7476a45c3ea 100644 --- a/drivers/net/mac8390.c +++ b/drivers/net/mac8390.c @@ -157,6 +157,8 @@ static void dayna_block_output(struct net_device *dev, int count, #define memcpy_fromio(a, b, c) memcpy((a), (void *)(b), (c)) #define memcpy_toio(a, b, c) memcpy((void *)(a), (b), (c)) +#define memcmp_withio(a, b, c) memcmp((a), (void *)(b), (c)) + /* Slow Sane (16-bit chunk memory read/write) Cabletron uses this */ static void slow_sane_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page); @@ -164,8 +166,8 @@ static void slow_sane_block_input(struct net_device *dev, int count, struct sk_buff *skb, int ring_offset); static void slow_sane_block_output(struct net_device *dev, int count, const unsigned char *buf, int start_page); -static void word_memcpy_tocard(void *tp, const void *fp, int count); -static void word_memcpy_fromcard(void *tp, const void *fp, int count); +static void word_memcpy_tocard(unsigned long tp, const void *fp, int count); +static void word_memcpy_fromcard(void *tp, unsigned long fp, int count); static enum mac8390_type __init mac8390_ident(struct nubus_dev *dev) { @@ -245,9 +247,9 @@ static enum mac8390_access __init mac8390_testio(volatile unsigned long membase) unsigned long outdata = 0xA5A0B5B0; unsigned long indata = 0x00000000; /* Try writing 32 bits */ - memcpy(membase, &outdata, 4); + memcpy_toio(membase, &outdata, 4); /* Now compare them */ - if (memcmp((char *)&outdata, (char *)membase, 4) == 0) + if (memcmp_withio(&outdata, membase, 4) == 0) return ACCESS_32; /* Write 16 bit output */ word_memcpy_tocard(membase, &outdata, 4); @@ -731,7 +733,7 @@ static void sane_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page) { unsigned long hdr_start = (ring_page - WD_START_PG)<<8; - memcpy_fromio((void *)hdr, (char *)dev->mem_start + hdr_start, 4); + memcpy_fromio(hdr, dev->mem_start + hdr_start, 4); /* Fix endianness */ hdr->count = swab16(hdr->count); } @@ -745,14 +747,13 @@ static void sane_block_input(struct net_device *dev, int count, if (xfer_start + count > ei_status.rmem_end) { /* We must wrap the input move. */ int semi_count = ei_status.rmem_end - xfer_start; - memcpy_fromio(skb->data, (char *)dev->mem_start + xfer_base, + memcpy_fromio(skb->data, dev->mem_start + xfer_base, semi_count); count -= semi_count; - memcpy_toio(skb->data + semi_count, - (char *)ei_status.rmem_start, count); - } else { - memcpy_fromio(skb->data, (char *)dev->mem_start + xfer_base, + memcpy_fromio(skb->data + semi_count, ei_status.rmem_start, count); + } else { + memcpy_fromio(skb->data, dev->mem_start + xfer_base, count); } } @@ -761,7 +762,7 @@ static void sane_block_output(struct net_device *dev, int count, { long shmem = (start_page - WD_START_PG)<<8; - memcpy_toio((char *)dev->mem_start + shmem, buf, count); + memcpy_toio(dev->mem_start + shmem, buf, count); } /* dayna block input/output */ @@ -812,7 +813,7 @@ static void slow_sane_get_8390_hdr(struct net_device *dev, int ring_page) { unsigned long hdr_start = (ring_page - WD_START_PG)<<8; - word_memcpy_fromcard(hdr, (char *)dev->mem_start + hdr_start, 4); + word_memcpy_fromcard(hdr, dev->mem_start + hdr_start, 4); /* Register endianism - fix here rather than 8390.c */ hdr->count = (hdr->count&0xFF)<<8|(hdr->count>>8); } @@ -826,15 +827,14 @@ static void slow_sane_block_input(struct net_device *dev, int count, if (xfer_start + count > ei_status.rmem_end) { /* We must wrap the input move. */ int semi_count = ei_status.rmem_end - xfer_start; - word_memcpy_fromcard(skb->data, - (char *)dev->mem_start + xfer_base, + word_memcpy_fromcard(skb->data, dev->mem_start + xfer_base, semi_count); count -= semi_count; word_memcpy_fromcard(skb->data + semi_count, - (char *)ei_status.rmem_start, count); + ei_status.rmem_start, count); } else { - word_memcpy_fromcard(skb->data, - (char *)dev->mem_start + xfer_base, count); + word_memcpy_fromcard(skb->data, dev->mem_start + xfer_base, + count); } } @@ -843,12 +843,12 @@ static void slow_sane_block_output(struct net_device *dev, int count, { long shmem = (start_page - WD_START_PG)<<8; - word_memcpy_tocard((char *)dev->mem_start + shmem, buf, count); + word_memcpy_tocard(dev->mem_start + shmem, buf, count); } -static void word_memcpy_tocard(void *tp, const void *fp, int count) +static void word_memcpy_tocard(unsigned long tp, const void *fp, int count) { - volatile unsigned short *to = tp; + volatile unsigned short *to = (void *)tp; const unsigned short *from = fp; count++; @@ -858,10 +858,10 @@ static void word_memcpy_tocard(void *tp, const void *fp, int count) *to++ = *from++; } -static void word_memcpy_fromcard(void *tp, const void *fp, int count) +static void word_memcpy_fromcard(void *tp, unsigned long fp, int count) { unsigned short *to = tp; - const volatile unsigned short *from = fp; + const volatile unsigned short *from = (const void *)fp; count++; count /= 2; diff --git a/drivers/net/wireless/ath/ar9170/usb.c b/drivers/net/wireless/ath/ar9170/usb.c index 82ab532a4923..a93dc18a45c3 100644 --- a/drivers/net/wireless/ath/ar9170/usb.c +++ b/drivers/net/wireless/ath/ar9170/usb.c @@ -739,17 +739,27 @@ err_out: static void ar9170_usb_firmware_failed(struct ar9170_usb *aru) { struct device *parent = aru->udev->dev.parent; + struct usb_device *udev; + + /* + * Store a copy of the usb_device pointer locally. + * This is because device_release_driver initiates + * ar9170_usb_disconnect, which in turn frees our + * driver context (aru). + */ + udev = aru->udev; complete(&aru->firmware_loading_complete); /* unbind anything failed */ if (parent) device_lock(parent); - device_release_driver(&aru->udev->dev); + + device_release_driver(&udev->dev); if (parent) device_unlock(parent); - usb_put_dev(aru->udev); + usb_put_dev(udev); } static void ar9170_usb_firmware_finish(const struct firmware *fw, void *context) diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 3db19172b43b..859aa4ab0769 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -1198,7 +1198,7 @@ void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx) int r; ath_print(common, ATH_DBG_FATAL, - "Unable to stop TxDMA. Reset HAL!\n"); + "Failed to stop TX DMA. Resetting hardware!\n"); spin_lock_bh(&sc->sc_resetlock); r = ath9k_hw_reset(ah, sc->sc_ah->curchan, false); @@ -1728,6 +1728,8 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf, } else bf->bf_isnullfunc = false; + bf->bf_tx_aborted = false; + return 0; } @@ -1989,7 +1991,7 @@ static int ath_tx_num_badfrms(struct ath_softc *sc, struct ath_buf *bf, int nbad = 0; int isaggr = 0; - if (bf->bf_tx_aborted) + if (bf->bf_lastbf->bf_tx_aborted) return 0; isaggr = bf_isaggr(bf); diff --git a/drivers/net/wireless/libertas/rx.c b/drivers/net/wireless/libertas/rx.c index a115bfa9513a..7a377f5b7662 100644 --- a/drivers/net/wireless/libertas/rx.c +++ b/drivers/net/wireless/libertas/rx.c @@ -329,9 +329,8 @@ static int process_rxed_802_11_packet(struct lbs_private *priv, /* create the exported radio header */ /* radiotap header */ - radiotap_hdr.hdr.it_version = 0; - /* XXX must check this value for pad */ - radiotap_hdr.hdr.it_pad = 0; + memset(&radiotap_hdr, 0, sizeof(radiotap_hdr)); + /* XXX must check radiotap_hdr.hdr.it_pad for pad */ radiotap_hdr.hdr.it_len = cpu_to_le16 (sizeof(struct rx_radiotap_hdr)); radiotap_hdr.hdr.it_present = cpu_to_le32 (RX_RADIOTAP_PRESENT); radiotap_hdr.rate = convert_mv_rate_to_radiotap(prxpd->rx_rate); diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c index 699161327d65..0f8b84b7224c 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/rt2x00/rt2800usb.c @@ -413,7 +413,7 @@ static void rt2800usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, */ rt2x00_desc_read(txi, 0, &word); rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN, - skb->len - TXINFO_DESC_SIZE); + skb->len + TXWI_DESC_SIZE); rt2x00_set_field32(&word, TXINFO_W0_WIV, !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags)); rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2); diff --git a/drivers/pci/pcie/aer/aerdrv.h b/drivers/pci/pcie/aer/aerdrv.h index 7aaae2d2bd67..80c11d131499 100644 --- a/drivers/pci/pcie/aer/aerdrv.h +++ b/drivers/pci/pcie/aer/aerdrv.h @@ -130,4 +130,21 @@ static inline int aer_osc_setup(struct pcie_device *pciedev) } #endif +#ifdef CONFIG_ACPI_APEI +extern int pcie_aer_get_firmware_first(struct pci_dev *pci_dev); +#else +static inline int pcie_aer_get_firmware_first(struct pci_dev *pci_dev) +{ + if (pci_dev->__aer_firmware_first_valid) + return pci_dev->__aer_firmware_first; + return 0; +} +#endif + +static inline void pcie_aer_force_firmware_first(struct pci_dev *pci_dev, + int enable) +{ + pci_dev->__aer_firmware_first = !!enable; + pci_dev->__aer_firmware_first_valid = 1; +} #endif /* _AERDRV_H_ */ diff --git a/drivers/pci/pcie/aer/aerdrv_acpi.c b/drivers/pci/pcie/aer/aerdrv_acpi.c index 04814087658d..f278d7b0d95d 100644 --- a/drivers/pci/pcie/aer/aerdrv_acpi.c +++ b/drivers/pci/pcie/aer/aerdrv_acpi.c @@ -16,6 +16,7 @@ #include <linux/acpi.h> #include <linux/pci-acpi.h> #include <linux/delay.h> +#include <acpi/apei.h> #include "aerdrv.h" /** @@ -53,3 +54,79 @@ int aer_osc_setup(struct pcie_device *pciedev) return 0; } + +#ifdef CONFIG_ACPI_APEI +static inline int hest_match_pci(struct acpi_hest_aer_common *p, + struct pci_dev *pci) +{ + return (0 == pci_domain_nr(pci->bus) && + p->bus == pci->bus->number && + p->device == PCI_SLOT(pci->devfn) && + p->function == PCI_FUNC(pci->devfn)); +} + +struct aer_hest_parse_info { + struct pci_dev *pci_dev; + int firmware_first; +}; + +static int aer_hest_parse(struct acpi_hest_header *hest_hdr, void *data) +{ + struct aer_hest_parse_info *info = data; + struct acpi_hest_aer_common *p; + u8 pcie_type = 0; + u8 bridge = 0; + int ff = 0; + + switch (hest_hdr->type) { + case ACPI_HEST_TYPE_AER_ROOT_PORT: + pcie_type = PCI_EXP_TYPE_ROOT_PORT; + break; + case ACPI_HEST_TYPE_AER_ENDPOINT: + pcie_type = PCI_EXP_TYPE_ENDPOINT; + break; + case ACPI_HEST_TYPE_AER_BRIDGE: + if ((info->pci_dev->class >> 16) == PCI_BASE_CLASS_BRIDGE) + bridge = 1; + break; + default: + return 0; + } + + p = (struct acpi_hest_aer_common *)(hest_hdr + 1); + if (p->flags & ACPI_HEST_GLOBAL) { + if ((info->pci_dev->is_pcie && + info->pci_dev->pcie_type == pcie_type) || bridge) + ff = !!(p->flags & ACPI_HEST_FIRMWARE_FIRST); + } else + if (hest_match_pci(p, info->pci_dev)) + ff = !!(p->flags & ACPI_HEST_FIRMWARE_FIRST); + info->firmware_first = ff; + + return 0; +} + +static void aer_set_firmware_first(struct pci_dev *pci_dev) +{ + int rc; + struct aer_hest_parse_info info = { + .pci_dev = pci_dev, + .firmware_first = 0, + }; + + rc = apei_hest_parse(aer_hest_parse, &info); + + if (rc) + pci_dev->__aer_firmware_first = 0; + else + pci_dev->__aer_firmware_first = info.firmware_first; + pci_dev->__aer_firmware_first_valid = 1; +} + +int pcie_aer_get_firmware_first(struct pci_dev *dev) +{ + if (!dev->__aer_firmware_first_valid) + aer_set_firmware_first(dev); + return dev->__aer_firmware_first; +} +#endif diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c index 0f5950cb9cd9..fc0b5a93e1de 100644 --- a/drivers/pci/pcie/aer/aerdrv_core.c +++ b/drivers/pci/pcie/aer/aerdrv_core.c @@ -36,7 +36,7 @@ int pci_enable_pcie_error_reporting(struct pci_dev *dev) u16 reg16 = 0; int pos; - if (dev->aer_firmware_first) + if (pcie_aer_get_firmware_first(dev)) return -EIO; pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR); @@ -63,7 +63,7 @@ int pci_disable_pcie_error_reporting(struct pci_dev *dev) u16 reg16 = 0; int pos; - if (dev->aer_firmware_first) + if (pcie_aer_get_firmware_first(dev)) return -EIO; pos = pci_pcie_cap(dev); @@ -772,7 +772,7 @@ void aer_isr(struct work_struct *work) */ int aer_init(struct pcie_device *dev) { - if (dev->port->aer_firmware_first) { + if (pcie_aer_get_firmware_first(dev->port)) { dev_printk(KERN_DEBUG, &dev->device, "PCIe errors handled by platform firmware.\n"); goto out; @@ -786,7 +786,7 @@ out: if (forceload) { dev_printk(KERN_DEBUG, &dev->device, "aerdrv forceload requested.\n"); - dev->port->aer_firmware_first = 0; + pcie_aer_force_firmware_first(dev->port, 0); return 0; } return -ENXIO; diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index c82548afcd5c..f4adba2d1dd3 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -10,7 +10,6 @@ #include <linux/module.h> #include <linux/cpumask.h> #include <linux/pci-aspm.h> -#include <acpi/acpi_hest.h> #include "pci.h" #define CARDBUS_LATENCY_TIMER 176 /* secondary latency timer */ @@ -904,12 +903,6 @@ void set_pcie_hotplug_bridge(struct pci_dev *pdev) pdev->is_hotplug_bridge = 1; } -static void set_pci_aer_firmware_first(struct pci_dev *pdev) -{ - if (acpi_hest_firmware_first_pci(pdev)) - pdev->aer_firmware_first = 1; -} - #define LEGACY_IO_RESOURCE (IORESOURCE_IO | IORESOURCE_PCI_FIXED) /** @@ -939,7 +932,6 @@ int pci_setup_device(struct pci_dev *dev) dev->multifunction = !!(hdr_type & 0x80); dev->error_state = pci_channel_io_normal; set_pcie_port_type(dev); - set_pci_aer_firmware_first(dev); list_for_each_entry(slot, &dev->bus->slots, list) if (PCI_SLOT(dev->devfn) == slot->number) diff --git a/drivers/rapidio/rio-scan.c b/drivers/rapidio/rio-scan.c index 566432106cc5..8070e074c739 100644 --- a/drivers/rapidio/rio-scan.c +++ b/drivers/rapidio/rio-scan.c @@ -1124,7 +1124,7 @@ static void rio_update_route_tables(struct rio_mport *port) /** * rio_init_em - Initializes RIO Error Management (for switches) - * @port: Master port associated with the RIO network + * @rdev: RIO device * * For each enumerated switch, call device-specific error management * initialization routine (if supplied by the switch driver). diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c index 777e099a3d8f..08fa453af974 100644 --- a/drivers/rapidio/rio.c +++ b/drivers/rapidio/rio.c @@ -338,7 +338,7 @@ int rio_release_outb_dbell(struct rio_dev *rdev, struct resource *res) /** * rio_request_inb_pwrite - request inbound port-write message service - * @mport: RIO device to which register inbound port-write callback routine + * @rdev: RIO device to which register inbound port-write callback routine * @pwcback: Callback routine to execute when port-write is received * * Binds a port-write callback function to the RapidIO device. @@ -385,7 +385,10 @@ EXPORT_SYMBOL_GPL(rio_release_inb_pwrite); /** * rio_mport_get_physefb - Helper function that returns register offset * for Physical Layer Extended Features Block. - * @rdev: RIO device + * @port: Master port to issue transaction + * @local: Indicate a local master port or remote device access + * @destid: Destination ID of the device + * @hopcount: Number of switch hops to the device */ u32 rio_mport_get_physefb(struct rio_mport *port, int local, @@ -430,7 +433,7 @@ rio_mport_get_physefb(struct rio_mport *port, int local, /** * rio_get_comptag - Begin or continue searching for a RIO device by component tag - * @comp_tag: RIO component tad to match + * @comp_tag: RIO component tag to match * @from: Previous RIO device found in search, or %NULL for new search * * Iterates through the list of known RIO devices. If a RIO device is @@ -835,7 +838,6 @@ int rio_std_route_get_entry(struct rio_mport *mport, u16 destid, u8 hopcount, * rio_std_route_clr_table - Clear swotch route table using standard registers * defined in RIO specification rev.1.3. * @mport: Master port to issue transaction - * @local: Indicate a local master port or remote device access * @destid: Destination ID of the device * @hopcount: Number of switch hops to the device * @table: routing table ID (global or port-specific) diff --git a/drivers/regulator/ab3100.c b/drivers/regulator/ab3100.c index 1afd008ca957..7b14a67bdca2 100644 --- a/drivers/regulator/ab3100.c +++ b/drivers/regulator/ab3100.c @@ -16,7 +16,7 @@ #include <linux/delay.h> #include <linux/platform_device.h> #include <linux/regulator/driver.h> -#include <linux/mfd/ab3100.h> +#include <linux/mfd/abx500.h> /* LDO registers and some handy masking definitions for AB3100 */ #define AB3100_LDO_A 0x40 @@ -41,7 +41,7 @@ * struct ab3100_regulator * A struct passed around the individual regulator functions * @platform_device: platform device holding this regulator - * @ab3100: handle to the AB3100 parent chip + * @dev: handle to the device * @plfdata: AB3100 platform data passed in at probe time * @regreg: regulator register number in the AB3100 * @fixed_voltage: a fixed voltage for this regulator, if this @@ -52,7 +52,7 @@ */ struct ab3100_regulator { struct regulator_dev *rdev; - struct ab3100 *ab3100; + struct device *dev; struct ab3100_platform_data *plfdata; u8 regreg; int fixed_voltage; @@ -183,7 +183,7 @@ static int ab3100_enable_regulator(struct regulator_dev *reg) int err; u8 regval; - err = ab3100_get_register_interruptible(abreg->ab3100, abreg->regreg, + err = abx500_get_register_interruptible(abreg->dev, 0, abreg->regreg, ®val); if (err) { dev_warn(®->dev, "failed to get regid %d value\n", @@ -197,7 +197,7 @@ static int ab3100_enable_regulator(struct regulator_dev *reg) regval |= AB3100_REG_ON_MASK; - err = ab3100_set_register_interruptible(abreg->ab3100, abreg->regreg, + err = abx500_set_register_interruptible(abreg->dev, 0, abreg->regreg, regval); if (err) { dev_warn(®->dev, "failed to set regid %d value\n", @@ -245,14 +245,14 @@ static int ab3100_disable_regulator(struct regulator_dev *reg) if (abreg->regreg == AB3100_LDO_D) { dev_info(®->dev, "disabling LDO D - shut down system\n"); /* Setting LDO D to 0x00 cuts the power to the SoC */ - return ab3100_set_register_interruptible(abreg->ab3100, + return abx500_set_register_interruptible(abreg->dev, 0, AB3100_LDO_D, 0x00U); } /* * All other regulators are handled here */ - err = ab3100_get_register_interruptible(abreg->ab3100, abreg->regreg, + err = abx500_get_register_interruptible(abreg->dev, 0, abreg->regreg, ®val); if (err) { dev_err(®->dev, "unable to get register 0x%x\n", @@ -260,7 +260,7 @@ static int ab3100_disable_regulator(struct regulator_dev *reg) return err; } regval &= ~AB3100_REG_ON_MASK; - return ab3100_set_register_interruptible(abreg->ab3100, abreg->regreg, + return abx500_set_register_interruptible(abreg->dev, 0, abreg->regreg, regval); } @@ -270,7 +270,7 @@ static int ab3100_is_enabled_regulator(struct regulator_dev *reg) u8 regval; int err; - err = ab3100_get_register_interruptible(abreg->ab3100, abreg->regreg, + err = abx500_get_register_interruptible(abreg->dev, 0, abreg->regreg, ®val); if (err) { dev_err(®->dev, "unable to get register 0x%x\n", @@ -305,7 +305,7 @@ static int ab3100_get_voltage_regulator(struct regulator_dev *reg) * For variable types, read out setting and index into * supplied voltage list. */ - err = ab3100_get_register_interruptible(abreg->ab3100, + err = abx500_get_register_interruptible(abreg->dev, 0, abreg->regreg, ®val); if (err) { dev_warn(®->dev, @@ -373,7 +373,7 @@ static int ab3100_set_voltage_regulator(struct regulator_dev *reg, if (bestindex < 0) return bestindex; - err = ab3100_get_register_interruptible(abreg->ab3100, + err = abx500_get_register_interruptible(abreg->dev, 0, abreg->regreg, ®val); if (err) { dev_warn(®->dev, @@ -386,7 +386,7 @@ static int ab3100_set_voltage_regulator(struct regulator_dev *reg, regval &= ~0xE0; regval |= (bestindex << 5); - err = ab3100_set_register_interruptible(abreg->ab3100, + err = abx500_set_register_interruptible(abreg->dev, 0, abreg->regreg, regval); if (err) dev_warn(®->dev, "failed to set regulator register %02x\n", @@ -414,7 +414,7 @@ static int ab3100_set_suspend_voltage_regulator(struct regulator_dev *reg, /* LDO E and BUCK have special suspend voltages you can set */ bestindex = ab3100_get_best_voltage_index(reg, uV, uV); - err = ab3100_get_register_interruptible(abreg->ab3100, + err = abx500_get_register_interruptible(abreg->dev, 0, targetreg, ®val); if (err) { dev_warn(®->dev, @@ -427,7 +427,7 @@ static int ab3100_set_suspend_voltage_regulator(struct regulator_dev *reg, regval &= ~0xE0; regval |= (bestindex << 5); - err = ab3100_set_register_interruptible(abreg->ab3100, + err = abx500_set_register_interruptible(abreg->dev, 0, targetreg, regval); if (err) dev_warn(®->dev, "failed to set regulator register %02x\n", @@ -574,13 +574,12 @@ ab3100_regulator_desc[AB3100_NUM_REGULATORS] = { static int __devinit ab3100_regulators_probe(struct platform_device *pdev) { struct ab3100_platform_data *plfdata = pdev->dev.platform_data; - struct ab3100 *ab3100 = platform_get_drvdata(pdev); int err = 0; u8 data; int i; /* Check chip state */ - err = ab3100_get_register_interruptible(ab3100, + err = abx500_get_register_interruptible(&pdev->dev, 0, AB3100_LDO_D, &data); if (err) { dev_err(&pdev->dev, "could not read initial status of LDO_D\n"); @@ -595,7 +594,7 @@ static int __devinit ab3100_regulators_probe(struct platform_device *pdev) /* Set up regulators */ for (i = 0; i < ARRAY_SIZE(ab3100_reg_init_order); i++) { - err = ab3100_set_register_interruptible(ab3100, + err = abx500_set_register_interruptible(&pdev->dev, 0, ab3100_reg_init_order[i], plfdata->reg_initvals[i]); if (err) { @@ -617,7 +616,7 @@ static int __devinit ab3100_regulators_probe(struct platform_device *pdev) * see what it looks like for a certain machine, go * into the machine I2C setup. */ - reg->ab3100 = ab3100; + reg->dev = &pdev->dev; reg->plfdata = plfdata; /* diff --git a/drivers/regulator/tps6507x-regulator.c b/drivers/regulator/tps6507x-regulator.c index 74841abcc9cc..14b4576281c5 100644 --- a/drivers/regulator/tps6507x-regulator.c +++ b/drivers/regulator/tps6507x-regulator.c @@ -22,68 +22,9 @@ #include <linux/platform_device.h> #include <linux/regulator/driver.h> #include <linux/regulator/machine.h> -#include <linux/i2c.h> #include <linux/delay.h> #include <linux/slab.h> - -/* Register definitions */ -#define TPS6507X_REG_PPATH1 0X01 -#define TPS6507X_REG_INT 0X02 -#define TPS6507X_REG_CHGCONFIG0 0X03 -#define TPS6507X_REG_CHGCONFIG1 0X04 -#define TPS6507X_REG_CHGCONFIG2 0X05 -#define TPS6507X_REG_CHGCONFIG3 0X06 -#define TPS6507X_REG_REG_ADCONFIG 0X07 -#define TPS6507X_REG_TSCMODE 0X08 -#define TPS6507X_REG_ADRESULT_1 0X09 -#define TPS6507X_REG_ADRESULT_2 0X0A -#define TPS6507X_REG_PGOOD 0X0B -#define TPS6507X_REG_PGOODMASK 0X0C -#define TPS6507X_REG_CON_CTRL1 0X0D -#define TPS6507X_REG_CON_CTRL2 0X0E -#define TPS6507X_REG_CON_CTRL3 0X0F -#define TPS6507X_REG_DEFDCDC1 0X10 -#define TPS6507X_REG_DEFDCDC2_LOW 0X11 -#define TPS6507X_REG_DEFDCDC2_HIGH 0X12 -#define TPS6507X_REG_DEFDCDC3_LOW 0X13 -#define TPS6507X_REG_DEFDCDC3_HIGH 0X14 -#define TPS6507X_REG_DEFSLEW 0X15 -#define TPS6507X_REG_LDO_CTRL1 0X16 -#define TPS6507X_REG_DEFLDO2 0X17 -#define TPS6507X_REG_WLED_CTRL1 0X18 -#define TPS6507X_REG_WLED_CTRL2 0X19 - -/* CON_CTRL1 bitfields */ -#define TPS6507X_CON_CTRL1_DCDC1_ENABLE BIT(4) -#define TPS6507X_CON_CTRL1_DCDC2_ENABLE BIT(3) -#define TPS6507X_CON_CTRL1_DCDC3_ENABLE BIT(2) -#define TPS6507X_CON_CTRL1_LDO1_ENABLE BIT(1) -#define TPS6507X_CON_CTRL1_LDO2_ENABLE BIT(0) - -/* DEFDCDC1 bitfields */ -#define TPS6507X_DEFDCDC1_DCDC1_EXT_ADJ_EN BIT(7) -#define TPS6507X_DEFDCDC1_DCDC1_MASK 0X3F - -/* DEFDCDC2_LOW bitfields */ -#define TPS6507X_DEFDCDC2_LOW_DCDC2_MASK 0X3F - -/* DEFDCDC2_HIGH bitfields */ -#define TPS6507X_DEFDCDC2_HIGH_DCDC2_MASK 0X3F - -/* DEFDCDC3_LOW bitfields */ -#define TPS6507X_DEFDCDC3_LOW_DCDC3_MASK 0X3F - -/* DEFDCDC3_HIGH bitfields */ -#define TPS6507X_DEFDCDC3_HIGH_DCDC3_MASK 0X3F - -/* TPS6507X_REG_LDO_CTRL1 bitfields */ -#define TPS6507X_REG_LDO_CTRL1_LDO1_MASK 0X0F - -/* TPS6507X_REG_DEFLDO2 bitfields */ -#define TPS6507X_REG_DEFLDO2_LDO2_MASK 0X3F - -/* VDCDC MASK */ -#define TPS6507X_DEFDCDCX_DCDC_MASK 0X3F +#include <linux/mfd/tps6507x.h> /* DCDC's */ #define TPS6507X_DCDC_1 0 @@ -162,101 +103,146 @@ struct tps_info { const u16 *table; }; -struct tps_pmic { +static const struct tps_info tps6507x_pmic_regs[] = { + { + .name = "VDCDC1", + .min_uV = 725000, + .max_uV = 3300000, + .table_len = ARRAY_SIZE(VDCDCx_VSEL_table), + .table = VDCDCx_VSEL_table, + }, + { + .name = "VDCDC2", + .min_uV = 725000, + .max_uV = 3300000, + .table_len = ARRAY_SIZE(VDCDCx_VSEL_table), + .table = VDCDCx_VSEL_table, + }, + { + .name = "VDCDC3", + .min_uV = 725000, + .max_uV = 3300000, + .table_len = ARRAY_SIZE(VDCDCx_VSEL_table), + .table = VDCDCx_VSEL_table, + }, + { + .name = "LDO1", + .min_uV = 1000000, + .max_uV = 3300000, + .table_len = ARRAY_SIZE(LDO1_VSEL_table), + .table = LDO1_VSEL_table, + }, + { + .name = "LDO2", + .min_uV = 725000, + .max_uV = 3300000, + .table_len = ARRAY_SIZE(LDO2_VSEL_table), + .table = LDO2_VSEL_table, + }, +}; + +struct tps6507x_pmic { struct regulator_desc desc[TPS6507X_NUM_REGULATOR]; - struct i2c_client *client; + struct tps6507x_dev *mfd; struct regulator_dev *rdev[TPS6507X_NUM_REGULATOR]; const struct tps_info *info[TPS6507X_NUM_REGULATOR]; struct mutex io_lock; }; - -static inline int tps_6507x_read(struct tps_pmic *tps, u8 reg) +static inline int tps6507x_pmic_read(struct tps6507x_pmic *tps, u8 reg) { - return i2c_smbus_read_byte_data(tps->client, reg); + u8 val; + int err; + + err = tps->mfd->read_dev(tps->mfd, reg, 1, &val); + + if (err) + return err; + + return val; } -static inline int tps_6507x_write(struct tps_pmic *tps, u8 reg, u8 val) +static inline int tps6507x_pmic_write(struct tps6507x_pmic *tps, u8 reg, u8 val) { - return i2c_smbus_write_byte_data(tps->client, reg, val); + return tps->mfd->write_dev(tps->mfd, reg, 1, &val); } -static int tps_6507x_set_bits(struct tps_pmic *tps, u8 reg, u8 mask) +static int tps6507x_pmic_set_bits(struct tps6507x_pmic *tps, u8 reg, u8 mask) { int err, data; mutex_lock(&tps->io_lock); - data = tps_6507x_read(tps, reg); + data = tps6507x_pmic_read(tps, reg); if (data < 0) { - dev_err(&tps->client->dev, "Read from reg 0x%x failed\n", reg); + dev_err(tps->mfd->dev, "Read from reg 0x%x failed\n", reg); err = data; goto out; } data |= mask; - err = tps_6507x_write(tps, reg, data); + err = tps6507x_pmic_write(tps, reg, data); if (err) - dev_err(&tps->client->dev, "Write for reg 0x%x failed\n", reg); + dev_err(tps->mfd->dev, "Write for reg 0x%x failed\n", reg); out: mutex_unlock(&tps->io_lock); return err; } -static int tps_6507x_clear_bits(struct tps_pmic *tps, u8 reg, u8 mask) +static int tps6507x_pmic_clear_bits(struct tps6507x_pmic *tps, u8 reg, u8 mask) { int err, data; mutex_lock(&tps->io_lock); - data = tps_6507x_read(tps, reg); + data = tps6507x_pmic_read(tps, reg); if (data < 0) { - dev_err(&tps->client->dev, "Read from reg 0x%x failed\n", reg); + dev_err(tps->mfd->dev, "Read from reg 0x%x failed\n", reg); err = data; goto out; } data &= ~mask; - err = tps_6507x_write(tps, reg, data); + err = tps6507x_pmic_write(tps, reg, data); if (err) - dev_err(&tps->client->dev, "Write for reg 0x%x failed\n", reg); + dev_err(tps->mfd->dev, "Write for reg 0x%x failed\n", reg); out: mutex_unlock(&tps->io_lock); return err; } -static int tps_6507x_reg_read(struct tps_pmic *tps, u8 reg) +static int tps6507x_pmic_reg_read(struct tps6507x_pmic *tps, u8 reg) { int data; mutex_lock(&tps->io_lock); - data = tps_6507x_read(tps, reg); + data = tps6507x_pmic_read(tps, reg); if (data < 0) - dev_err(&tps->client->dev, "Read from reg 0x%x failed\n", reg); + dev_err(tps->mfd->dev, "Read from reg 0x%x failed\n", reg); mutex_unlock(&tps->io_lock); return data; } -static int tps_6507x_reg_write(struct tps_pmic *tps, u8 reg, u8 val) +static int tps6507x_pmic_reg_write(struct tps6507x_pmic *tps, u8 reg, u8 val) { int err; mutex_lock(&tps->io_lock); - err = tps_6507x_write(tps, reg, val); + err = tps6507x_pmic_write(tps, reg, val); if (err < 0) - dev_err(&tps->client->dev, "Write for reg 0x%x failed\n", reg); + dev_err(tps->mfd->dev, "Write for reg 0x%x failed\n", reg); mutex_unlock(&tps->io_lock); return err; } -static int tps6507x_dcdc_is_enabled(struct regulator_dev *dev) +static int tps6507x_pmic_dcdc_is_enabled(struct regulator_dev *dev) { - struct tps_pmic *tps = rdev_get_drvdata(dev); + struct tps6507x_pmic *tps = rdev_get_drvdata(dev); int data, dcdc = rdev_get_id(dev); u8 shift; @@ -264,7 +250,7 @@ static int tps6507x_dcdc_is_enabled(struct regulator_dev *dev) return -EINVAL; shift = TPS6507X_MAX_REG_ID - dcdc; - data = tps_6507x_reg_read(tps, TPS6507X_REG_CON_CTRL1); + data = tps6507x_pmic_reg_read(tps, TPS6507X_REG_CON_CTRL1); if (data < 0) return data; @@ -272,9 +258,9 @@ static int tps6507x_dcdc_is_enabled(struct regulator_dev *dev) return (data & 1<<shift) ? 1 : 0; } -static int tps6507x_ldo_is_enabled(struct regulator_dev *dev) +static int tps6507x_pmic_ldo_is_enabled(struct regulator_dev *dev) { - struct tps_pmic *tps = rdev_get_drvdata(dev); + struct tps6507x_pmic *tps = rdev_get_drvdata(dev); int data, ldo = rdev_get_id(dev); u8 shift; @@ -282,7 +268,7 @@ static int tps6507x_ldo_is_enabled(struct regulator_dev *dev) return -EINVAL; shift = TPS6507X_MAX_REG_ID - ldo; - data = tps_6507x_reg_read(tps, TPS6507X_REG_CON_CTRL1); + data = tps6507x_pmic_reg_read(tps, TPS6507X_REG_CON_CTRL1); if (data < 0) return data; @@ -290,9 +276,9 @@ static int tps6507x_ldo_is_enabled(struct regulator_dev *dev) return (data & 1<<shift) ? 1 : 0; } -static int tps6507x_dcdc_enable(struct regulator_dev *dev) +static int tps6507x_pmic_dcdc_enable(struct regulator_dev *dev) { - struct tps_pmic *tps = rdev_get_drvdata(dev); + struct tps6507x_pmic *tps = rdev_get_drvdata(dev); int dcdc = rdev_get_id(dev); u8 shift; @@ -300,12 +286,12 @@ static int tps6507x_dcdc_enable(struct regulator_dev *dev) return -EINVAL; shift = TPS6507X_MAX_REG_ID - dcdc; - return tps_6507x_set_bits(tps, TPS6507X_REG_CON_CTRL1, 1 << shift); + return tps6507x_pmic_set_bits(tps, TPS6507X_REG_CON_CTRL1, 1 << shift); } -static int tps6507x_dcdc_disable(struct regulator_dev *dev) +static int tps6507x_pmic_dcdc_disable(struct regulator_dev *dev) { - struct tps_pmic *tps = rdev_get_drvdata(dev); + struct tps6507x_pmic *tps = rdev_get_drvdata(dev); int dcdc = rdev_get_id(dev); u8 shift; @@ -313,12 +299,13 @@ static int tps6507x_dcdc_disable(struct regulator_dev *dev) return -EINVAL; shift = TPS6507X_MAX_REG_ID - dcdc; - return tps_6507x_clear_bits(tps, TPS6507X_REG_CON_CTRL1, 1 << shift); + return tps6507x_pmic_clear_bits(tps, TPS6507X_REG_CON_CTRL1, + 1 << shift); } -static int tps6507x_ldo_enable(struct regulator_dev *dev) +static int tps6507x_pmic_ldo_enable(struct regulator_dev *dev) { - struct tps_pmic *tps = rdev_get_drvdata(dev); + struct tps6507x_pmic *tps = rdev_get_drvdata(dev); int ldo = rdev_get_id(dev); u8 shift; @@ -326,12 +313,12 @@ static int tps6507x_ldo_enable(struct regulator_dev *dev) return -EINVAL; shift = TPS6507X_MAX_REG_ID - ldo; - return tps_6507x_set_bits(tps, TPS6507X_REG_CON_CTRL1, 1 << shift); + return tps6507x_pmic_set_bits(tps, TPS6507X_REG_CON_CTRL1, 1 << shift); } -static int tps6507x_ldo_disable(struct regulator_dev *dev) +static int tps6507x_pmic_ldo_disable(struct regulator_dev *dev) { - struct tps_pmic *tps = rdev_get_drvdata(dev); + struct tps6507x_pmic *tps = rdev_get_drvdata(dev); int ldo = rdev_get_id(dev); u8 shift; @@ -339,12 +326,13 @@ static int tps6507x_ldo_disable(struct regulator_dev *dev) return -EINVAL; shift = TPS6507X_MAX_REG_ID - ldo; - return tps_6507x_clear_bits(tps, TPS6507X_REG_CON_CTRL1, 1 << shift); + return tps6507x_pmic_clear_bits(tps, TPS6507X_REG_CON_CTRL1, + 1 << shift); } -static int tps6507x_dcdc_get_voltage(struct regulator_dev *dev) +static int tps6507x_pmic_dcdc_get_voltage(struct regulator_dev *dev) { - struct tps_pmic *tps = rdev_get_drvdata(dev); + struct tps6507x_pmic *tps = rdev_get_drvdata(dev); int data, dcdc = rdev_get_id(dev); u8 reg; @@ -362,7 +350,7 @@ static int tps6507x_dcdc_get_voltage(struct regulator_dev *dev) return -EINVAL; } - data = tps_6507x_reg_read(tps, reg); + data = tps6507x_pmic_reg_read(tps, reg); if (data < 0) return data; @@ -370,10 +358,10 @@ static int tps6507x_dcdc_get_voltage(struct regulator_dev *dev) return tps->info[dcdc]->table[data] * 1000; } -static int tps6507x_dcdc_set_voltage(struct regulator_dev *dev, +static int tps6507x_pmic_dcdc_set_voltage(struct regulator_dev *dev, int min_uV, int max_uV) { - struct tps_pmic *tps = rdev_get_drvdata(dev); + struct tps6507x_pmic *tps = rdev_get_drvdata(dev); int data, vsel, dcdc = rdev_get_id(dev); u8 reg; @@ -411,19 +399,19 @@ static int tps6507x_dcdc_set_voltage(struct regulator_dev *dev, if (vsel == tps->info[dcdc]->table_len) return -EINVAL; - data = tps_6507x_reg_read(tps, reg); + data = tps6507x_pmic_reg_read(tps, reg); if (data < 0) return data; data &= ~TPS6507X_DEFDCDCX_DCDC_MASK; data |= vsel; - return tps_6507x_reg_write(tps, reg, data); + return tps6507x_pmic_reg_write(tps, reg, data); } -static int tps6507x_ldo_get_voltage(struct regulator_dev *dev) +static int tps6507x_pmic_ldo_get_voltage(struct regulator_dev *dev) { - struct tps_pmic *tps = rdev_get_drvdata(dev); + struct tps6507x_pmic *tps = rdev_get_drvdata(dev); int data, ldo = rdev_get_id(dev); u8 reg, mask; @@ -437,7 +425,7 @@ static int tps6507x_ldo_get_voltage(struct regulator_dev *dev) TPS6507X_REG_DEFLDO2_LDO2_MASK); } - data = tps_6507x_reg_read(tps, reg); + data = tps6507x_pmic_reg_read(tps, reg); if (data < 0) return data; @@ -445,10 +433,10 @@ static int tps6507x_ldo_get_voltage(struct regulator_dev *dev) return tps->info[ldo]->table[data] * 1000; } -static int tps6507x_ldo_set_voltage(struct regulator_dev *dev, +static int tps6507x_pmic_ldo_set_voltage(struct regulator_dev *dev, int min_uV, int max_uV) { - struct tps_pmic *tps = rdev_get_drvdata(dev); + struct tps6507x_pmic *tps = rdev_get_drvdata(dev); int data, vsel, ldo = rdev_get_id(dev); u8 reg, mask; @@ -479,20 +467,20 @@ static int tps6507x_ldo_set_voltage(struct regulator_dev *dev, if (vsel == tps->info[ldo]->table_len) return -EINVAL; - data = tps_6507x_reg_read(tps, reg); + data = tps6507x_pmic_reg_read(tps, reg); if (data < 0) return data; data &= ~mask; data |= vsel; - return tps_6507x_reg_write(tps, reg, data); + return tps6507x_pmic_reg_write(tps, reg, data); } -static int tps6507x_dcdc_list_voltage(struct regulator_dev *dev, +static int tps6507x_pmic_dcdc_list_voltage(struct regulator_dev *dev, unsigned selector) { - struct tps_pmic *tps = rdev_get_drvdata(dev); + struct tps6507x_pmic *tps = rdev_get_drvdata(dev); int dcdc = rdev_get_id(dev); if (dcdc < TPS6507X_DCDC_1 || dcdc > TPS6507X_DCDC_3) @@ -504,10 +492,10 @@ static int tps6507x_dcdc_list_voltage(struct regulator_dev *dev, return tps->info[dcdc]->table[selector] * 1000; } -static int tps6507x_ldo_list_voltage(struct regulator_dev *dev, +static int tps6507x_pmic_ldo_list_voltage(struct regulator_dev *dev, unsigned selector) { - struct tps_pmic *tps = rdev_get_drvdata(dev); + struct tps6507x_pmic *tps = rdev_get_drvdata(dev); int ldo = rdev_get_id(dev); if (ldo < TPS6507X_LDO_1 || ldo > TPS6507X_LDO_2) @@ -520,47 +508,54 @@ static int tps6507x_ldo_list_voltage(struct regulator_dev *dev, } /* Operations permitted on VDCDCx */ -static struct regulator_ops tps6507x_dcdc_ops = { - .is_enabled = tps6507x_dcdc_is_enabled, - .enable = tps6507x_dcdc_enable, - .disable = tps6507x_dcdc_disable, - .get_voltage = tps6507x_dcdc_get_voltage, - .set_voltage = tps6507x_dcdc_set_voltage, - .list_voltage = tps6507x_dcdc_list_voltage, +static struct regulator_ops tps6507x_pmic_dcdc_ops = { + .is_enabled = tps6507x_pmic_dcdc_is_enabled, + .enable = tps6507x_pmic_dcdc_enable, + .disable = tps6507x_pmic_dcdc_disable, + .get_voltage = tps6507x_pmic_dcdc_get_voltage, + .set_voltage = tps6507x_pmic_dcdc_set_voltage, + .list_voltage = tps6507x_pmic_dcdc_list_voltage, }; /* Operations permitted on LDOx */ -static struct regulator_ops tps6507x_ldo_ops = { - .is_enabled = tps6507x_ldo_is_enabled, - .enable = tps6507x_ldo_enable, - .disable = tps6507x_ldo_disable, - .get_voltage = tps6507x_ldo_get_voltage, - .set_voltage = tps6507x_ldo_set_voltage, - .list_voltage = tps6507x_ldo_list_voltage, +static struct regulator_ops tps6507x_pmic_ldo_ops = { + .is_enabled = tps6507x_pmic_ldo_is_enabled, + .enable = tps6507x_pmic_ldo_enable, + .disable = tps6507x_pmic_ldo_disable, + .get_voltage = tps6507x_pmic_ldo_get_voltage, + .set_voltage = tps6507x_pmic_ldo_set_voltage, + .list_voltage = tps6507x_pmic_ldo_list_voltage, }; -static int __devinit tps_6507x_probe(struct i2c_client *client, - const struct i2c_device_id *id) +static __devinit +int tps6507x_pmic_probe(struct platform_device *pdev) { + struct tps6507x_dev *tps6507x_dev = dev_get_drvdata(pdev->dev.parent); static int desc_id; - const struct tps_info *info = (void *)id->driver_data; + const struct tps_info *info = &tps6507x_pmic_regs[0]; struct regulator_init_data *init_data; struct regulator_dev *rdev; - struct tps_pmic *tps; + struct tps6507x_pmic *tps; + struct tps6507x_board *tps_board; int i; int error; - if (!i2c_check_functionality(client->adapter, - I2C_FUNC_SMBUS_BYTE_DATA)) - return -EIO; + /** + * tps_board points to pmic related constants + * coming from the board-evm file. + */ + + tps_board = dev_get_platdata(tps6507x_dev->dev); + if (!tps_board) + return -EINVAL; /** * init_data points to array of regulator_init structures * coming from the board-evm file. */ - init_data = client->dev.platform_data; + init_data = tps_board->tps6507x_pmic_init_data; if (!init_data) - return -EIO; + return -EINVAL; tps = kzalloc(sizeof(*tps), GFP_KERNEL); if (!tps) @@ -569,7 +564,7 @@ static int __devinit tps_6507x_probe(struct i2c_client *client, mutex_init(&tps->io_lock); /* common for all regulators */ - tps->client = client; + tps->mfd = tps6507x_dev; for (i = 0; i < TPS6507X_NUM_REGULATOR; i++, info++, init_data++) { /* Register the regulators */ @@ -578,15 +573,16 @@ static int __devinit tps_6507x_probe(struct i2c_client *client, tps->desc[i].id = desc_id++; tps->desc[i].n_voltages = num_voltages[i]; tps->desc[i].ops = (i > TPS6507X_DCDC_3 ? - &tps6507x_ldo_ops : &tps6507x_dcdc_ops); + &tps6507x_pmic_ldo_ops : &tps6507x_pmic_dcdc_ops); tps->desc[i].type = REGULATOR_VOLTAGE; tps->desc[i].owner = THIS_MODULE; rdev = regulator_register(&tps->desc[i], - &client->dev, init_data, tps); + tps6507x_dev->dev, init_data, tps); if (IS_ERR(rdev)) { - dev_err(&client->dev, "failed to register %s\n", - id->name); + dev_err(tps6507x_dev->dev, + "failed to register %s regulator\n", + pdev->name); error = PTR_ERR(rdev); goto fail; } @@ -595,7 +591,7 @@ static int __devinit tps_6507x_probe(struct i2c_client *client, tps->rdev[i] = rdev; } - i2c_set_clientdata(client, tps); + tps6507x_dev->pmic = tps; return 0; @@ -608,19 +604,17 @@ fail: } /** - * tps_6507x_remove - TPS6507x driver i2c remove handler + * tps6507x_remove - TPS6507x driver i2c remove handler * @client: i2c driver client device structure * * Unregister TPS driver as an i2c client device driver */ -static int __devexit tps_6507x_remove(struct i2c_client *client) +static int __devexit tps6507x_pmic_remove(struct platform_device *pdev) { - struct tps_pmic *tps = i2c_get_clientdata(client); + struct tps6507x_dev *tps6507x_dev = platform_get_drvdata(pdev); + struct tps6507x_pmic *tps = tps6507x_dev->pmic; int i; - /* clear the client data in i2c */ - i2c_set_clientdata(client, NULL); - for (i = 0; i < TPS6507X_NUM_REGULATOR; i++) regulator_unregister(tps->rdev[i]); @@ -629,83 +623,38 @@ static int __devexit tps_6507x_remove(struct i2c_client *client) return 0; } -static const struct tps_info tps6507x_regs[] = { - { - .name = "VDCDC1", - .min_uV = 725000, - .max_uV = 3300000, - .table_len = ARRAY_SIZE(VDCDCx_VSEL_table), - .table = VDCDCx_VSEL_table, - }, - { - .name = "VDCDC2", - .min_uV = 725000, - .max_uV = 3300000, - .table_len = ARRAY_SIZE(VDCDCx_VSEL_table), - .table = VDCDCx_VSEL_table, - }, - { - .name = "VDCDC3", - .min_uV = 725000, - .max_uV = 3300000, - .table_len = ARRAY_SIZE(VDCDCx_VSEL_table), - .table = VDCDCx_VSEL_table, - }, - { - .name = "LDO1", - .min_uV = 1000000, - .max_uV = 3300000, - .table_len = ARRAY_SIZE(LDO1_VSEL_table), - .table = LDO1_VSEL_table, - }, - { - .name = "LDO2", - .min_uV = 725000, - .max_uV = 3300000, - .table_len = ARRAY_SIZE(LDO2_VSEL_table), - .table = LDO2_VSEL_table, - }, -}; - -static const struct i2c_device_id tps_6507x_id[] = { - {.name = "tps6507x", - .driver_data = (unsigned long) tps6507x_regs,}, - { }, -}; -MODULE_DEVICE_TABLE(i2c, tps_6507x_id); - -static struct i2c_driver tps_6507x_i2c_driver = { +static struct platform_driver tps6507x_pmic_driver = { .driver = { - .name = "tps6507x", + .name = "tps6507x-pmic", .owner = THIS_MODULE, }, - .probe = tps_6507x_probe, - .remove = __devexit_p(tps_6507x_remove), - .id_table = tps_6507x_id, + .probe = tps6507x_pmic_probe, + .remove = __devexit_p(tps6507x_pmic_remove), }; /** - * tps_6507x_init + * tps6507x_pmic_init * * Module init function */ -static int __init tps_6507x_init(void) +static int __init tps6507x_pmic_init(void) { - return i2c_add_driver(&tps_6507x_i2c_driver); + return platform_driver_register(&tps6507x_pmic_driver); } -subsys_initcall(tps_6507x_init); +subsys_initcall(tps6507x_pmic_init); /** - * tps_6507x_cleanup + * tps6507x_pmic_cleanup * * Module exit function */ -static void __exit tps_6507x_cleanup(void) +static void __exit tps6507x_pmic_cleanup(void) { - i2c_del_driver(&tps_6507x_i2c_driver); + platform_driver_unregister(&tps6507x_pmic_driver); } -module_exit(tps_6507x_cleanup); +module_exit(tps6507x_pmic_cleanup); MODULE_AUTHOR("Texas Instruments"); MODULE_DESCRIPTION("TPS6507x voltage regulator driver"); MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:tps6507x-pmic"); diff --git a/drivers/rtc/rtc-ab3100.c b/drivers/rtc/rtc-ab3100.c index 4704aac2b5af..d26780ea254b 100644 --- a/drivers/rtc/rtc-ab3100.c +++ b/drivers/rtc/rtc-ab3100.c @@ -9,7 +9,7 @@ #include <linux/init.h> #include <linux/platform_device.h> #include <linux/rtc.h> -#include <linux/mfd/ab3100.h> +#include <linux/mfd/abx500.h> /* Clock rate in Hz */ #define AB3100_RTC_CLOCK_RATE 32768 @@ -45,7 +45,6 @@ */ static int ab3100_rtc_set_mmss(struct device *dev, unsigned long secs) { - struct ab3100 *ab3100_data = dev_get_drvdata(dev); u8 regs[] = {AB3100_TI0, AB3100_TI1, AB3100_TI2, AB3100_TI3, AB3100_TI4, AB3100_TI5}; unsigned char buf[6]; @@ -61,27 +60,26 @@ static int ab3100_rtc_set_mmss(struct device *dev, unsigned long secs) buf[5] = (fat_time >> 40) & 0xFF; for (i = 0; i < 6; i++) { - err = ab3100_set_register_interruptible(ab3100_data, + err = abx500_set_register_interruptible(dev, 0, regs[i], buf[i]); if (err) return err; } /* Set the flag to mark that the clock is now set */ - return ab3100_mask_and_set_register_interruptible(ab3100_data, + return abx500_mask_and_set_register_interruptible(dev, 0, AB3100_RTC, - 0xFE, 0x01); + 0x01, 0x01); } static int ab3100_rtc_read_time(struct device *dev, struct rtc_time *tm) { - struct ab3100 *ab3100_data = dev_get_drvdata(dev); unsigned long time; u8 rtcval; int err; - err = ab3100_get_register_interruptible(ab3100_data, + err = abx500_get_register_interruptible(dev, 0, AB3100_RTC, &rtcval); if (err) return err; @@ -94,7 +92,7 @@ static int ab3100_rtc_read_time(struct device *dev, struct rtc_time *tm) u8 buf[6]; /* Read out time registers */ - err = ab3100_get_register_page_interruptible(ab3100_data, + err = abx500_get_register_page_interruptible(dev, 0, AB3100_TI0, buf, 6); if (err != 0) @@ -114,7 +112,6 @@ static int ab3100_rtc_read_time(struct device *dev, struct rtc_time *tm) static int ab3100_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm) { - struct ab3100 *ab3100_data = dev_get_drvdata(dev); unsigned long time; u64 fat_time; u8 buf[6]; @@ -122,7 +119,7 @@ static int ab3100_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm) int err; /* Figure out if alarm is enabled or not */ - err = ab3100_get_register_interruptible(ab3100_data, + err = abx500_get_register_interruptible(dev, 0, AB3100_RTC, &rtcval); if (err) return err; @@ -133,7 +130,7 @@ static int ab3100_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm) /* No idea how this could be represented */ alarm->pending = 0; /* Read out alarm registers, only 4 bytes */ - err = ab3100_get_register_page_interruptible(ab3100_data, + err = abx500_get_register_page_interruptible(dev, 0, AB3100_AL0, buf, 4); if (err) return err; @@ -148,7 +145,6 @@ static int ab3100_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm) static int ab3100_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm) { - struct ab3100 *ab3100_data = dev_get_drvdata(dev); u8 regs[] = {AB3100_AL0, AB3100_AL1, AB3100_AL2, AB3100_AL3}; unsigned char buf[4]; unsigned long secs; @@ -165,21 +161,19 @@ static int ab3100_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm) /* Set the alarm */ for (i = 0; i < 4; i++) { - err = ab3100_set_register_interruptible(ab3100_data, + err = abx500_set_register_interruptible(dev, 0, regs[i], buf[i]); if (err) return err; } /* Then enable the alarm */ - return ab3100_mask_and_set_register_interruptible(ab3100_data, - AB3100_RTC, ~(1 << 2), + return abx500_mask_and_set_register_interruptible(dev, 0, + AB3100_RTC, (1 << 2), alarm->enabled << 2); } static int ab3100_rtc_irq_enable(struct device *dev, unsigned int enabled) { - struct ab3100 *ab3100_data = dev_get_drvdata(dev); - /* * It's not possible to enable/disable the alarm IRQ for this RTC. * It does not actually trigger any IRQ: instead its only function is @@ -188,12 +182,12 @@ static int ab3100_rtc_irq_enable(struct device *dev, unsigned int enabled) * and need to be handled there instead. */ if (enabled) - return ab3100_mask_and_set_register_interruptible(ab3100_data, - AB3100_RTC, ~(1 << 2), + return abx500_mask_and_set_register_interruptible(dev, 0, + AB3100_RTC, (1 << 2), 1 << 2); else - return ab3100_mask_and_set_register_interruptible(ab3100_data, - AB3100_RTC, ~(1 << 2), + return abx500_mask_and_set_register_interruptible(dev, 0, + AB3100_RTC, (1 << 2), 0); } @@ -210,10 +204,9 @@ static int __init ab3100_rtc_probe(struct platform_device *pdev) int err; u8 regval; struct rtc_device *rtc; - struct ab3100 *ab3100_data = platform_get_drvdata(pdev); /* The first RTC register needs special treatment */ - err = ab3100_get_register_interruptible(ab3100_data, + err = abx500_get_register_interruptible(&pdev->dev, 0, AB3100_RTC, ®val); if (err) { dev_err(&pdev->dev, "unable to read RTC register\n"); @@ -231,7 +224,7 @@ static int __init ab3100_rtc_probe(struct platform_device *pdev) * This bit remains until RTC power is lost. */ regval = 1 | RTC_SETTING; - err = ab3100_set_register_interruptible(ab3100_data, + err = abx500_set_register_interruptible(&pdev->dev, 0, AB3100_RTC, regval); /* Ignore any error on this write */ } diff --git a/drivers/rtc/rtc-davinci.c b/drivers/rtc/rtc-davinci.c index 92a8f6cacda9..34647fc1ee98 100644 --- a/drivers/rtc/rtc-davinci.c +++ b/drivers/rtc/rtc-davinci.c @@ -29,6 +29,7 @@ #include <linux/bcd.h> #include <linux/platform_device.h> #include <linux/io.h> +#include <linux/slab.h> /* * The DaVinci RTC is a simple RTC with the following diff --git a/drivers/s390/cio/itcw.c b/drivers/s390/cio/itcw.c index 17da9ab932ed..a0ae29564774 100644 --- a/drivers/s390/cio/itcw.c +++ b/drivers/s390/cio/itcw.c @@ -42,7 +42,7 @@ * size_t size; * * size = itcw_calc_size(1, 2, 0); - * buffer = kmalloc(size, GFP_DMA); + * buffer = kmalloc(size, GFP_KERNEL | GFP_DMA); * if (!buffer) * return -ENOMEM; * itcw = itcw_init(buffer, size, ITCW_OP_READ, 1, 2, 0); diff --git a/drivers/serial/68328serial.c b/drivers/serial/68328serial.c index 30463862603b..9330edb323e2 100644 --- a/drivers/serial/68328serial.c +++ b/drivers/serial/68328serial.c @@ -78,10 +78,6 @@ struct m68k_serial *m68k_consinfo = 0; #define M68K_CLOCK (16667000) /* FIXME: 16MHz is likely wrong */ -#ifdef CONFIG_CONSOLE -extern wait_queue_head_t keypress_wait; -#endif - struct tty_driver *serial_driver; /* number of characters left in xmit buffer before we ask for more */ @@ -300,10 +296,6 @@ static void receive_chars(struct m68k_serial *info, unsigned short rx) return; #endif /* CONFIG_MAGIC_SYSRQ */ } - /* It is a 'keyboard interrupt' ;-) */ -#ifdef CONFIG_CONSOLE - wake_up(&keypress_wait); -#endif } if(!tty) diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c index 84a35f699016..1a88b363005c 100644 --- a/drivers/serial/mpc52xx_uart.c +++ b/drivers/serial/mpc52xx_uart.c @@ -113,7 +113,9 @@ struct psc_ops { unsigned char (*read_char)(struct uart_port *port); void (*cw_disable_ints)(struct uart_port *port); void (*cw_restore_ints)(struct uart_port *port); - unsigned long (*getuartclk)(void *p); + unsigned int (*set_baudrate)(struct uart_port *port, + struct ktermios *new, + struct ktermios *old); int (*clock)(struct uart_port *port, int enable); int (*fifoc_init)(void); void (*fifoc_uninit)(void); @@ -121,6 +123,16 @@ struct psc_ops { irqreturn_t (*handle_irq)(struct uart_port *port); }; +/* setting the prescaler and divisor reg is common for all chips */ +static inline void mpc52xx_set_divisor(struct mpc52xx_psc __iomem *psc, + u16 prescaler, unsigned int divisor) +{ + /* select prescaler */ + out_be16(&psc->mpc52xx_psc_clock_select, prescaler); + out_8(&psc->ctur, divisor >> 8); + out_8(&psc->ctlr, divisor & 0xff); +} + #ifdef CONFIG_PPC_MPC52xx #define FIFO_52xx(port) ((struct mpc52xx_psc_fifo __iomem *)(PSC(port)+1)) static void mpc52xx_psc_fifo_init(struct uart_port *port) @@ -128,9 +140,6 @@ static void mpc52xx_psc_fifo_init(struct uart_port *port) struct mpc52xx_psc __iomem *psc = PSC(port); struct mpc52xx_psc_fifo __iomem *fifo = FIFO_52xx(port); - /* /32 prescaler */ - out_be16(&psc->mpc52xx_psc_clock_select, 0xdd00); - out_8(&fifo->rfcntl, 0x00); out_be16(&fifo->rfalarm, 0x1ff); out_8(&fifo->tfcntl, 0x07); @@ -219,15 +228,47 @@ static void mpc52xx_psc_cw_restore_ints(struct uart_port *port) out_be16(&PSC(port)->mpc52xx_psc_imr, port->read_status_mask); } -/* Search for bus-frequency property in this node or a parent */ -static unsigned long mpc52xx_getuartclk(void *p) +static unsigned int mpc5200_psc_set_baudrate(struct uart_port *port, + struct ktermios *new, + struct ktermios *old) { - /* - * 5200 UARTs have a / 32 prescaler - * but the generic serial code assumes 16 - * so return ipb freq / 2 - */ - return mpc5xxx_get_bus_frequency(p) / 2; + unsigned int baud; + unsigned int divisor; + + /* The 5200 has a fixed /32 prescaler, uartclk contains the ipb freq */ + baud = uart_get_baud_rate(port, new, old, + port->uartclk / (32 * 0xffff) + 1, + port->uartclk / 32); + divisor = (port->uartclk + 16 * baud) / (32 * baud); + + /* enable the /32 prescaler and set the divisor */ + mpc52xx_set_divisor(PSC(port), 0xdd00, divisor); + return baud; +} + +static unsigned int mpc5200b_psc_set_baudrate(struct uart_port *port, + struct ktermios *new, + struct ktermios *old) +{ + unsigned int baud; + unsigned int divisor; + u16 prescaler; + + /* The 5200B has a selectable /4 or /32 prescaler, uartclk contains the + * ipb freq */ + baud = uart_get_baud_rate(port, new, old, + port->uartclk / (32 * 0xffff) + 1, + port->uartclk / 4); + divisor = (port->uartclk + 2 * baud) / (4 * baud); + + /* select the proper prescaler and set the divisor */ + if (divisor > 0xffff) { + divisor = (divisor + 4) / 8; + prescaler = 0xdd00; /* /32 */ + } else + prescaler = 0xff00; /* /4 */ + mpc52xx_set_divisor(PSC(port), prescaler, divisor); + return baud; } static void mpc52xx_psc_get_irq(struct uart_port *port, struct device_node *np) @@ -258,7 +299,28 @@ static struct psc_ops mpc52xx_psc_ops = { .read_char = mpc52xx_psc_read_char, .cw_disable_ints = mpc52xx_psc_cw_disable_ints, .cw_restore_ints = mpc52xx_psc_cw_restore_ints, - .getuartclk = mpc52xx_getuartclk, + .set_baudrate = mpc5200_psc_set_baudrate, + .get_irq = mpc52xx_psc_get_irq, + .handle_irq = mpc52xx_psc_handle_irq, +}; + +static struct psc_ops mpc5200b_psc_ops = { + .fifo_init = mpc52xx_psc_fifo_init, + .raw_rx_rdy = mpc52xx_psc_raw_rx_rdy, + .raw_tx_rdy = mpc52xx_psc_raw_tx_rdy, + .rx_rdy = mpc52xx_psc_rx_rdy, + .tx_rdy = mpc52xx_psc_tx_rdy, + .tx_empty = mpc52xx_psc_tx_empty, + .stop_rx = mpc52xx_psc_stop_rx, + .start_tx = mpc52xx_psc_start_tx, + .stop_tx = mpc52xx_psc_stop_tx, + .rx_clr_irq = mpc52xx_psc_rx_clr_irq, + .tx_clr_irq = mpc52xx_psc_tx_clr_irq, + .write_char = mpc52xx_psc_write_char, + .read_char = mpc52xx_psc_read_char, + .cw_disable_ints = mpc52xx_psc_cw_disable_ints, + .cw_restore_ints = mpc52xx_psc_cw_restore_ints, + .set_baudrate = mpc5200b_psc_set_baudrate, .get_irq = mpc52xx_psc_get_irq, .handle_irq = mpc52xx_psc_handle_irq, }; @@ -392,9 +454,35 @@ static void mpc512x_psc_cw_restore_ints(struct uart_port *port) out_be32(&FIFO_512x(port)->rximr, port->read_status_mask & 0x7f); } -static unsigned long mpc512x_getuartclk(void *p) +static unsigned int mpc512x_psc_set_baudrate(struct uart_port *port, + struct ktermios *new, + struct ktermios *old) { - return mpc5xxx_get_bus_frequency(p); + unsigned int baud; + unsigned int divisor; + + /* + * The "MPC5121e Microcontroller Reference Manual, Rev. 3" says on + * pg. 30-10 that the chip supports a /32 and a /10 prescaler. + * Furthermore, it states that "After reset, the prescaler by 10 + * for the UART mode is selected", but the reset register value is + * 0x0000 which means a /32 prescaler. This is wrong. + * + * In reality using /32 prescaler doesn't work, as it is not supported! + * Use /16 or /10 prescaler, see "MPC5121e Hardware Design Guide", + * Chapter 4.1 PSC in UART Mode. + * Calculate with a /16 prescaler here. + */ + + /* uartclk contains the ips freq */ + baud = uart_get_baud_rate(port, new, old, + port->uartclk / (16 * 0xffff) + 1, + port->uartclk / 16); + divisor = (port->uartclk + 8 * baud) / (16 * baud); + + /* enable the /16 prescaler and set the divisor */ + mpc52xx_set_divisor(PSC(port), 0xdd00, divisor); + return baud; } /* Init PSC FIFO Controller */ @@ -498,7 +586,7 @@ static struct psc_ops mpc512x_psc_ops = { .read_char = mpc512x_psc_read_char, .cw_disable_ints = mpc512x_psc_cw_disable_ints, .cw_restore_ints = mpc512x_psc_cw_restore_ints, - .getuartclk = mpc512x_getuartclk, + .set_baudrate = mpc512x_psc_set_baudrate, .clock = mpc512x_psc_clock, .fifoc_init = mpc512x_psc_fifoc_init, .fifoc_uninit = mpc512x_psc_fifoc_uninit, @@ -666,8 +754,8 @@ mpc52xx_uart_set_termios(struct uart_port *port, struct ktermios *new, struct mpc52xx_psc __iomem *psc = PSC(port); unsigned long flags; unsigned char mr1, mr2; - unsigned short ctr; - unsigned int j, baud, quot; + unsigned int j; + unsigned int baud; /* Prepare what we're gonna write */ mr1 = 0; @@ -704,16 +792,9 @@ mpc52xx_uart_set_termios(struct uart_port *port, struct ktermios *new, mr2 |= MPC52xx_PSC_MODE_TXCTS; } - baud = uart_get_baud_rate(port, new, old, 0, port->uartclk/16); - quot = uart_get_divisor(port, baud); - ctr = quot & 0xffff; - /* Get the lock */ spin_lock_irqsave(&port->lock, flags); - /* Update the per-port timeout */ - uart_update_timeout(port, new->c_cflag, baud); - /* Do our best to flush TX & RX, so we don't lose anything */ /* But we don't wait indefinitely ! */ j = 5000000; /* Maximum wait */ @@ -737,8 +818,10 @@ mpc52xx_uart_set_termios(struct uart_port *port, struct ktermios *new, out_8(&psc->command, MPC52xx_PSC_SEL_MODE_REG_1); out_8(&psc->mode, mr1); out_8(&psc->mode, mr2); - out_8(&psc->ctur, ctr >> 8); - out_8(&psc->ctlr, ctr & 0xff); + baud = psc_ops->set_baudrate(port, new, old); + + /* Update the per-port timeout */ + uart_update_timeout(port, new->c_cflag, baud); if (UART_ENABLE_MS(port, new->c_cflag)) mpc52xx_uart_enable_ms(port); @@ -1118,7 +1201,7 @@ mpc52xx_console_setup(struct console *co, char *options) return ret; } - uartclk = psc_ops->getuartclk(np); + uartclk = mpc5xxx_get_bus_frequency(np); if (uartclk == 0) { pr_debug("Could not find uart clock frequency!\n"); return -EINVAL; @@ -1201,6 +1284,7 @@ static struct uart_driver mpc52xx_uart_driver = { static struct of_device_id mpc52xx_uart_of_match[] = { #ifdef CONFIG_PPC_MPC52xx + { .compatible = "fsl,mpc5200b-psc-uart", .data = &mpc5200b_psc_ops, }, { .compatible = "fsl,mpc5200-psc-uart", .data = &mpc52xx_psc_ops, }, /* binding used by old lite5200 device trees: */ { .compatible = "mpc5200-psc-uart", .data = &mpc52xx_psc_ops, }, @@ -1233,7 +1317,10 @@ mpc52xx_uart_of_probe(struct of_device *op, const struct of_device_id *match) pr_debug("Found %s assigned to ttyPSC%x\n", mpc52xx_uart_nodes[idx]->full_name, idx); - uartclk = psc_ops->getuartclk(op->dev.of_node); + /* set the uart clock to the input clock of the psc, the different + * prescalers are taken into account in the set_baudrate() methods + * of the respective chip */ + uartclk = mpc5xxx_get_bus_frequency(op->dev.of_node); if (uartclk == 0) { dev_dbg(&op->dev, "Could not find uart clock frequency!\n"); return -EINVAL; diff --git a/drivers/serial/msm_serial.c b/drivers/serial/msm_serial.c index ecdc0facf7ee..f8c816e7725d 100644 --- a/drivers/serial/msm_serial.c +++ b/drivers/serial/msm_serial.c @@ -41,19 +41,6 @@ struct msm_port { unsigned int imr; }; -#define UART_TO_MSM(uart_port) ((struct msm_port *) uart_port) - -static inline void msm_write(struct uart_port *port, unsigned int val, - unsigned int off) -{ - __raw_writel(val, port->membase + off); -} - -static inline unsigned int msm_read(struct uart_port *port, unsigned int off) -{ - return __raw_readl(port->membase + off); -} - static void msm_stop_tx(struct uart_port *port) { struct msm_port *msm_port = UART_TO_MSM(port); @@ -320,11 +307,7 @@ static void msm_init_clock(struct uart_port *port) struct msm_port *msm_port = UART_TO_MSM(port); clk_enable(msm_port->clk); - - msm_write(port, 0xC0, UART_MREG); - msm_write(port, 0xB2, UART_NREG); - msm_write(port, 0x7D, UART_DREG); - msm_write(port, 0x1C, UART_MNDREG); + msm_serial_set_mnd_regs(port); } static int msm_startup(struct uart_port *port) @@ -706,6 +689,8 @@ static int __init msm_serial_probe(struct platform_device *pdev) if (unlikely(IS_ERR(msm_port->clk))) return PTR_ERR(msm_port->clk); port->uartclk = clk_get_rate(msm_port->clk); + printk(KERN_INFO "uartclk = %d\n", port->uartclk); + resource = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (unlikely(!resource)) diff --git a/drivers/serial/msm_serial.h b/drivers/serial/msm_serial.h index 689f1fa0e84e..f6ca9ca79e98 100644 --- a/drivers/serial/msm_serial.h +++ b/drivers/serial/msm_serial.h @@ -114,4 +114,60 @@ #define UART_MISR 0x0010 #define UART_ISR 0x0014 +#define UART_TO_MSM(uart_port) ((struct msm_port *) uart_port) + +static inline +void msm_write(struct uart_port *port, unsigned int val, unsigned int off) +{ + __raw_writel(val, port->membase + off); +} + +static inline +unsigned int msm_read(struct uart_port *port, unsigned int off) +{ + return __raw_readl(port->membase + off); +} + +/* + * Setup the MND registers to use the TCXO clock. + */ +static inline void msm_serial_set_mnd_regs_tcxo(struct uart_port *port) +{ + msm_write(port, 0x06, UART_MREG); + msm_write(port, 0xF1, UART_NREG); + msm_write(port, 0x0F, UART_DREG); + msm_write(port, 0x1A, UART_MNDREG); +} + +/* + * Setup the MND registers to use the TCXO clock divided by 4. + */ +static inline void msm_serial_set_mnd_regs_tcxoby4(struct uart_port *port) +{ + msm_write(port, 0x18, UART_MREG); + msm_write(port, 0xF6, UART_NREG); + msm_write(port, 0x0F, UART_DREG); + msm_write(port, 0x0A, UART_MNDREG); +} + +static inline +void msm_serial_set_mnd_regs_from_uartclk(struct uart_port *port) +{ + if (port->uartclk == 19200000) + msm_serial_set_mnd_regs_tcxo(port); + else + msm_serial_set_mnd_regs_tcxoby4(port); +} + +/* + * TROUT has a specific defect that makes it report it's uartclk + * as 19.2Mhz (TCXO) when it's actually 4.8Mhz (TCXO/4). This special + * cases TROUT to use the right clock. + */ +#ifdef CONFIG_MACH_TROUT +#define msm_serial_set_mnd_regs msm_serial_set_mnd_regs_tcxoby4 +#else +#define msm_serial_set_mnd_regs msm_serial_set_mnd_regs_from_uartclk +#endif + #endif /* __DRIVERS_SERIAL_MSM_SERIAL_H */ diff --git a/drivers/serial/s5pv210.c b/drivers/serial/s5pv210.c index 8dc03837617b..4a789e5361a4 100644 --- a/drivers/serial/s5pv210.c +++ b/drivers/serial/s5pv210.c @@ -119,7 +119,7 @@ static int s5p_serial_probe(struct platform_device *pdev) return s3c24xx_serial_probe(pdev, s5p_uart_inf[pdev->id]); } -static struct platform_driver s5p_serial_drv = { +static struct platform_driver s5p_serial_driver = { .probe = s5p_serial_probe, .remove = __devexit_p(s3c24xx_serial_remove), .driver = { @@ -130,19 +130,19 @@ static struct platform_driver s5p_serial_drv = { static int __init s5pv210_serial_console_init(void) { - return s3c24xx_serial_initconsole(&s5p_serial_drv, s5p_uart_inf); + return s3c24xx_serial_initconsole(&s5p_serial_driver, s5p_uart_inf); } console_initcall(s5pv210_serial_console_init); static int __init s5p_serial_init(void) { - return s3c24xx_serial_init(&s5p_serial_drv, *s5p_uart_inf); + return s3c24xx_serial_init(&s5p_serial_driver, *s5p_uart_inf); } static void __exit s5p_serial_exit(void) { - platform_driver_unregister(&s5p_serial_drv); + platform_driver_unregister(&s5p_serial_driver); } module_init(s5p_serial_init); diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c index 5f90fcd7d107..c291b3add1d2 100644 --- a/drivers/serial/sh-sci.c +++ b/drivers/serial/sh-sci.c @@ -346,6 +346,27 @@ static int scif_rxfill(struct uart_port *port) return sci_in(port, SCFDR) & SCIF2_RFDC_MASK; } } +#elif defined(CONFIG_ARCH_SH7372) +static int scif_txfill(struct uart_port *port) +{ + if (port->type == PORT_SCIFA) + return sci_in(port, SCFDR) >> 8; + else + return sci_in(port, SCTFDR); +} + +static int scif_txroom(struct uart_port *port) +{ + return port->fifosize - scif_txfill(port); +} + +static int scif_rxfill(struct uart_port *port) +{ + if (port->type == PORT_SCIFA) + return sci_in(port, SCFDR) & SCIF_RFDC_MASK; + else + return sci_in(port, SCRFDR); +} #else static int scif_txfill(struct uart_port *port) { @@ -683,7 +704,7 @@ static irqreturn_t sci_rx_interrupt(int irq, void *ptr) u16 ssr = sci_in(port, SCxSR); /* Disable future Rx interrupts */ - if (port->type == PORT_SCIFA) { + if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) { disable_irq_nosync(irq); scr |= 0x4000; } else { @@ -928,7 +949,7 @@ static void sci_dma_tx_complete(void *arg) if (!uart_circ_empty(xmit)) { schedule_work(&s->work_tx); - } else if (port->type == PORT_SCIFA) { + } else if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) { u16 ctrl = sci_in(port, SCSCR); sci_out(port, SCSCR, ctrl & ~SCI_CTRL_FLAGS_TIE); } @@ -1184,7 +1205,7 @@ static void sci_start_tx(struct uart_port *port) unsigned short ctrl; #ifdef CONFIG_SERIAL_SH_SCI_DMA - if (port->type == PORT_SCIFA) { + if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) { u16 new, scr = sci_in(port, SCSCR); if (s->chan_tx) new = scr | 0x8000; @@ -1197,7 +1218,7 @@ static void sci_start_tx(struct uart_port *port) s->cookie_tx < 0) schedule_work(&s->work_tx); #endif - if (!s->chan_tx || port->type == PORT_SCIFA) { + if (!s->chan_tx || port->type == PORT_SCIFA || port->type == PORT_SCIFB) { /* Set TIE (Transmit Interrupt Enable) bit in SCSCR */ ctrl = sci_in(port, SCSCR); sci_out(port, SCSCR, ctrl | SCI_CTRL_FLAGS_TIE); @@ -1210,7 +1231,7 @@ static void sci_stop_tx(struct uart_port *port) /* Clear TIE (Transmit Interrupt Enable) bit in SCSCR */ ctrl = sci_in(port, SCSCR); - if (port->type == PORT_SCIFA) + if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) ctrl &= ~0x8000; ctrl &= ~SCI_CTRL_FLAGS_TIE; sci_out(port, SCSCR, ctrl); @@ -1222,7 +1243,7 @@ static void sci_start_rx(struct uart_port *port) /* Set RIE (Receive Interrupt Enable) bit in SCSCR */ ctrl |= sci_in(port, SCSCR); - if (port->type == PORT_SCIFA) + if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) ctrl &= ~0x4000; sci_out(port, SCSCR, ctrl); } @@ -1233,7 +1254,7 @@ static void sci_stop_rx(struct uart_port *port) /* Clear RIE (Receive Interrupt Enable) bit in SCSCR */ ctrl = sci_in(port, SCSCR); - if (port->type == PORT_SCIFA) + if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) ctrl &= ~0x4000; ctrl &= ~(SCI_CTRL_FLAGS_RIE | SCI_CTRL_FLAGS_REIE); sci_out(port, SCSCR, ctrl); @@ -1271,7 +1292,7 @@ static void rx_timer_fn(unsigned long arg) struct uart_port *port = &s->port; u16 scr = sci_in(port, SCSCR); - if (port->type == PORT_SCIFA) { + if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) { scr &= ~0x4000; enable_irq(s->irqs[1]); } @@ -1524,6 +1545,8 @@ static const char *sci_type(struct uart_port *port) return "scif"; case PORT_SCIFA: return "scifa"; + case PORT_SCIFB: + return "scifb"; } return NULL; @@ -1612,6 +1635,9 @@ static int __devinit sci_init_single(struct platform_device *dev, port->line = index; switch (p->type) { + case PORT_SCIFB: + port->fifosize = 256; + break; case PORT_SCIFA: port->fifosize = 64; break; diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h index f70c49f915fa..9b52f77a9305 100644 --- a/drivers/serial/sh-sci.h +++ b/drivers/serial/sh-sci.h @@ -322,7 +322,7 @@ #define CPU_SCIx_FNS(name, sci_offset, sci_size, scif_offset, scif_size)\ static inline unsigned int sci_##name##_in(struct uart_port *port) \ { \ - if (port->type == PORT_SCIF) { \ + if (port->type == PORT_SCIF || port->type == PORT_SCIFB) { \ SCI_IN(scif_size, scif_offset) \ } else { /* PORT_SCI or PORT_SCIFA */ \ SCI_IN(sci_size, sci_offset); \ @@ -330,7 +330,7 @@ } \ static inline void sci_##name##_out(struct uart_port *port, unsigned int value) \ { \ - if (port->type == PORT_SCIF) { \ + if (port->type == PORT_SCIF || port->type == PORT_SCIFB) { \ SCI_OUT(scif_size, scif_offset, value) \ } else { /* PORT_SCI or PORT_SCIFA */ \ SCI_OUT(sci_size, sci_offset, value); \ @@ -384,8 +384,12 @@ defined(CONFIG_CPU_SUBTYPE_SH7720) || \ defined(CONFIG_CPU_SUBTYPE_SH7721) || \ defined(CONFIG_ARCH_SH7367) || \ - defined(CONFIG_ARCH_SH7377) || \ - defined(CONFIG_ARCH_SH7372) + defined(CONFIG_ARCH_SH7377) +#define SCIF_FNS(name, scif_offset, scif_size) \ + CPU_SCIF_FNS(name, scif_offset, scif_size) +#elif defined(CONFIG_ARCH_SH7372) +#define SCIx_FNS(name, sh4_scifa_offset, sh4_scifa_size, sh4_scifb_offset, sh4_scifb_size) \ + CPU_SCIx_FNS(name, sh4_scifa_offset, sh4_scifa_size, sh4_scifb_offset, sh4_scifb_size) #define SCIF_FNS(name, scif_offset, scif_size) \ CPU_SCIF_FNS(name, scif_offset, scif_size) #else @@ -422,8 +426,7 @@ defined(CONFIG_CPU_SUBTYPE_SH7720) || \ defined(CONFIG_CPU_SUBTYPE_SH7721) || \ defined(CONFIG_ARCH_SH7367) || \ - defined(CONFIG_ARCH_SH7377) || \ - defined(CONFIG_ARCH_SH7372) + defined(CONFIG_ARCH_SH7377) SCIF_FNS(SCSMR, 0x00, 16) SCIF_FNS(SCBRR, 0x04, 8) @@ -436,6 +439,20 @@ SCIF_FNS(SCFDR, 0x1c, 16) SCIF_FNS(SCxTDR, 0x20, 8) SCIF_FNS(SCxRDR, 0x24, 8) SCIF_FNS(SCLSR, 0x00, 0) +#elif defined(CONFIG_ARCH_SH7372) +SCIF_FNS(SCSMR, 0x00, 16) +SCIF_FNS(SCBRR, 0x04, 8) +SCIF_FNS(SCSCR, 0x08, 16) +SCIF_FNS(SCTDSR, 0x0c, 16) +SCIF_FNS(SCFER, 0x10, 16) +SCIF_FNS(SCxSR, 0x14, 16) +SCIF_FNS(SCFCR, 0x18, 16) +SCIF_FNS(SCFDR, 0x1c, 16) +SCIF_FNS(SCTFDR, 0x38, 16) +SCIF_FNS(SCRFDR, 0x3c, 16) +SCIx_FNS(SCxTDR, 0x20, 8, 0x40, 8) +SCIx_FNS(SCxRDR, 0x24, 8, 0x60, 8) +SCIF_FNS(SCLSR, 0x00, 0) #elif defined(CONFIG_CPU_SUBTYPE_SH7723) ||\ defined(CONFIG_CPU_SUBTYPE_SH7724) SCIx_FNS(SCSMR, 0x00, 16, 0x00, 16) diff --git a/drivers/sh/Makefile b/drivers/sh/Makefile index 78bb5127abd0..08fc653a825c 100644 --- a/drivers/sh/Makefile +++ b/drivers/sh/Makefile @@ -1,9 +1,10 @@ # # Makefile for the SuperH specific drivers. # +obj-y := clk.o intc.o + obj-$(CONFIG_SUPERHYWAY) += superhyway/ obj-$(CONFIG_MAPLE) += maple/ + obj-$(CONFIG_GENERIC_GPIO) += pfc.o -obj-$(CONFIG_SUPERH) += clk.o obj-$(CONFIG_SH_CLK_CPG) += clk-cpg.o -obj-y += intc.o diff --git a/drivers/ssb/pci.c b/drivers/ssb/pci.c index 989e2752cc36..6dcda86be6eb 100644 --- a/drivers/ssb/pci.c +++ b/drivers/ssb/pci.c @@ -625,9 +625,12 @@ static int ssb_pci_sprom_get(struct ssb_bus *bus, ssb_printk(KERN_ERR PFX "No SPROM available!\n"); return -ENODEV; } - - bus->sprom_offset = (bus->chipco.dev->id.revision < 31) ? - SSB_SPROM_BASE1 : SSB_SPROM_BASE31; + if (bus->chipco.dev) { /* can be unavailible! */ + bus->sprom_offset = (bus->chipco.dev->id.revision < 31) ? + SSB_SPROM_BASE1 : SSB_SPROM_BASE31; + } else { + bus->sprom_offset = SSB_SPROM_BASE1; + } buf = kcalloc(SSB_SPROMSIZE_WORDS_R123, sizeof(u16), GFP_KERNEL); if (!buf) diff --git a/drivers/ssb/sprom.c b/drivers/ssb/sprom.c index 007bc3a03486..4f7cc8d13277 100644 --- a/drivers/ssb/sprom.c +++ b/drivers/ssb/sprom.c @@ -185,6 +185,7 @@ bool ssb_is_sprom_available(struct ssb_bus *bus) /* this routine differs from specs as we do not access SPROM directly on PCMCIA */ if (bus->bustype == SSB_BUSTYPE_PCI && + bus->chipco.dev && /* can be unavailible! */ bus->chipco.dev->id.revision >= 31) return bus->chipco.capabilities & SSB_CHIPCO_CAP_SPROM; diff --git a/drivers/staging/pohmelfs/inode.c b/drivers/staging/pohmelfs/inode.c index 9286e863b0e7..643b413d9f0f 100644 --- a/drivers/staging/pohmelfs/inode.c +++ b/drivers/staging/pohmelfs/inode.c @@ -29,7 +29,6 @@ #include <linux/slab.h> #include <linux/statfs.h> #include <linux/writeback.h> -#include <linux/quotaops.h> #include "netfs.h" @@ -880,7 +879,7 @@ static struct inode *pohmelfs_alloc_inode(struct super_block *sb) /* * We want fsync() to work on POHMELFS. */ -static int pohmelfs_fsync(struct file *file, struct dentry *dentry, int datasync) +static int pohmelfs_fsync(struct file *file, int datasync) { struct inode *inode = file->f_mapping->host; struct writeback_control wbc = { @@ -969,13 +968,6 @@ int pohmelfs_setattr_raw(struct inode *inode, struct iattr *attr) goto err_out_exit; } - if ((attr->ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) || - (attr->ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) { - err = dquot_transfer(inode, attr); - if (err) - goto err_out_exit; - } - err = inode_setattr(inode, attr); if (err) { dprintk("%s: ino: %llu, failed to set the attributes.\n", __func__, POHMELFS_I(inode)->ino); diff --git a/drivers/staging/tm6000/tm6000-alsa.c b/drivers/staging/tm6000/tm6000-alsa.c index bc89f9d28002..34045162bddf 100644 --- a/drivers/staging/tm6000/tm6000-alsa.c +++ b/drivers/staging/tm6000/tm6000-alsa.c @@ -15,6 +15,7 @@ #include <linux/device.h> #include <linux/interrupt.h> #include <linux/usb.h> +#include <linux/slab.h> #include <asm/delay.h> #include <sound/core.h> diff --git a/drivers/staging/tm6000/tm6000-cards.c b/drivers/staging/tm6000/tm6000-cards.c index 6143e20d139d..4ae92b17b503 100644 --- a/drivers/staging/tm6000/tm6000-cards.c +++ b/drivers/staging/tm6000/tm6000-cards.c @@ -24,6 +24,7 @@ #include <linux/i2c.h> #include <linux/usb.h> #include <linux/version.h> +#include <linux/slab.h> #include <media/v4l2-common.h> #include <media/tuner.h> #include <media/tvaudio.h> diff --git a/drivers/staging/tm6000/tm6000-core.c b/drivers/staging/tm6000/tm6000-core.c index bfbc53bd2912..a597fbcc6f3f 100644 --- a/drivers/staging/tm6000/tm6000-core.c +++ b/drivers/staging/tm6000/tm6000-core.c @@ -22,6 +22,7 @@ #include <linux/module.h> #include <linux/kernel.h> +#include <linux/slab.h> #include <linux/usb.h> #include <linux/i2c.h> #include "tm6000.h" diff --git a/drivers/staging/tm6000/tm6000-dvb.c b/drivers/staging/tm6000/tm6000-dvb.c index eafc89c22b6b..f87c8d89ba62 100644 --- a/drivers/staging/tm6000/tm6000-dvb.c +++ b/drivers/staging/tm6000/tm6000-dvb.c @@ -18,6 +18,7 @@ */ #include <linux/kernel.h> +#include <linux/slab.h> #include <linux/usb.h> #include "tm6000.h" diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c index 6b8bf8c781c4..43abf55d8c60 100644 --- a/drivers/usb/gadget/printer.c +++ b/drivers/usb/gadget/printer.c @@ -794,7 +794,7 @@ printer_write(struct file *fd, const char __user *buf, size_t len, loff_t *ptr) } static int -printer_fsync(struct file *fd, struct dentry *dentry, int datasync) +printer_fsync(struct file *fd, int datasync) { struct printer_dev *dev = fd->private_data; unsigned long flags; diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c index aa88911c9504..0f41c9195e9b 100644 --- a/drivers/vhost/net.c +++ b/drivers/vhost/net.c @@ -593,17 +593,17 @@ static long vhost_net_ioctl(struct file *f, unsigned int ioctl, int r; switch (ioctl) { case VHOST_NET_SET_BACKEND: - r = copy_from_user(&backend, argp, sizeof backend); - if (r < 0) - return r; + if (copy_from_user(&backend, argp, sizeof backend)) + return -EFAULT; return vhost_net_set_backend(n, backend.index, backend.fd); case VHOST_GET_FEATURES: features = VHOST_FEATURES; - return copy_to_user(featurep, &features, sizeof features); + if (copy_to_user(featurep, &features, sizeof features)) + return -EFAULT; + return 0; case VHOST_SET_FEATURES: - r = copy_from_user(&features, featurep, sizeof features); - if (r < 0) - return r; + if (copy_from_user(&features, featurep, sizeof features)) + return -EFAULT; if (features & ~VHOST_FEATURES) return -EOPNOTSUPP; return vhost_net_set_features(n, features); diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index c6fb8e968f21..3b83382e06eb 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -320,10 +320,8 @@ static long vhost_set_memory(struct vhost_dev *d, struct vhost_memory __user *m) { struct vhost_memory mem, *newmem, *oldmem; unsigned long size = offsetof(struct vhost_memory, regions); - long r; - r = copy_from_user(&mem, m, size); - if (r) - return r; + if (copy_from_user(&mem, m, size)) + return -EFAULT; if (mem.padding) return -EOPNOTSUPP; if (mem.nregions > VHOST_MEMORY_MAX_NREGIONS) @@ -333,15 +331,16 @@ static long vhost_set_memory(struct vhost_dev *d, struct vhost_memory __user *m) return -ENOMEM; memcpy(newmem, &mem, size); - r = copy_from_user(newmem->regions, m->regions, - mem.nregions * sizeof *m->regions); - if (r) { + if (copy_from_user(newmem->regions, m->regions, + mem.nregions * sizeof *m->regions)) { kfree(newmem); - return r; + return -EFAULT; } - if (!memory_access_ok(d, newmem, vhost_has_feature(d, VHOST_F_LOG_ALL))) + if (!memory_access_ok(d, newmem, vhost_has_feature(d, VHOST_F_LOG_ALL))) { + kfree(newmem); return -EFAULT; + } oldmem = d->memory; rcu_assign_pointer(d->memory, newmem); synchronize_rcu(); @@ -374,7 +373,7 @@ static long vhost_set_vring(struct vhost_dev *d, int ioctl, void __user *argp) r = get_user(idx, idxp); if (r < 0) return r; - if (idx > d->nvqs) + if (idx >= d->nvqs) return -ENOBUFS; vq = d->vqs + idx; @@ -389,9 +388,10 @@ static long vhost_set_vring(struct vhost_dev *d, int ioctl, void __user *argp) r = -EBUSY; break; } - r = copy_from_user(&s, argp, sizeof s); - if (r < 0) + if (copy_from_user(&s, argp, sizeof s)) { + r = -EFAULT; break; + } if (!s.num || s.num > 0xffff || (s.num & (s.num - 1))) { r = -EINVAL; break; @@ -405,9 +405,10 @@ static long vhost_set_vring(struct vhost_dev *d, int ioctl, void __user *argp) r = -EBUSY; break; } - r = copy_from_user(&s, argp, sizeof s); - if (r < 0) + if (copy_from_user(&s, argp, sizeof s)) { + r = -EFAULT; break; + } if (s.num > 0xffff) { r = -EINVAL; break; @@ -419,12 +420,14 @@ static long vhost_set_vring(struct vhost_dev *d, int ioctl, void __user *argp) case VHOST_GET_VRING_BASE: s.index = idx; s.num = vq->last_avail_idx; - r = copy_to_user(argp, &s, sizeof s); + if (copy_to_user(argp, &s, sizeof s)) + r = -EFAULT; break; case VHOST_SET_VRING_ADDR: - r = copy_from_user(&a, argp, sizeof a); - if (r < 0) + if (copy_from_user(&a, argp, sizeof a)) { + r = -EFAULT; break; + } if (a.flags & ~(0x1 << VHOST_VRING_F_LOG)) { r = -EOPNOTSUPP; break; @@ -477,9 +480,10 @@ static long vhost_set_vring(struct vhost_dev *d, int ioctl, void __user *argp) vq->used = (void __user *)(unsigned long)a.used_user_addr; break; case VHOST_SET_VRING_KICK: - r = copy_from_user(&f, argp, sizeof f); - if (r < 0) + if (copy_from_user(&f, argp, sizeof f)) { + r = -EFAULT; break; + } eventfp = f.fd == -1 ? NULL : eventfd_fget(f.fd); if (IS_ERR(eventfp)) { r = PTR_ERR(eventfp); @@ -492,9 +496,10 @@ static long vhost_set_vring(struct vhost_dev *d, int ioctl, void __user *argp) filep = eventfp; break; case VHOST_SET_VRING_CALL: - r = copy_from_user(&f, argp, sizeof f); - if (r < 0) + if (copy_from_user(&f, argp, sizeof f)) { + r = -EFAULT; break; + } eventfp = f.fd == -1 ? NULL : eventfd_fget(f.fd); if (IS_ERR(eventfp)) { r = PTR_ERR(eventfp); @@ -510,9 +515,10 @@ static long vhost_set_vring(struct vhost_dev *d, int ioctl, void __user *argp) filep = eventfp; break; case VHOST_SET_VRING_ERR: - r = copy_from_user(&f, argp, sizeof f); - if (r < 0) + if (copy_from_user(&f, argp, sizeof f)) { + r = -EFAULT; break; + } eventfp = f.fd == -1 ? NULL : eventfd_fget(f.fd); if (IS_ERR(eventfp)) { r = PTR_ERR(eventfp); @@ -575,9 +581,10 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, unsigned long arg) r = vhost_set_memory(d, argp); break; case VHOST_SET_LOG_BASE: - r = copy_from_user(&p, argp, sizeof p); - if (r < 0) + if (copy_from_user(&p, argp, sizeof p)) { + r = -EFAULT; break; + } if ((u64)(unsigned long)p != p) { r = -EFAULT; break; diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 1e6fec487973..3dc10381e0c2 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -1895,6 +1895,13 @@ config FB_W100 If unsure, say N. +config SH_MIPI_DSI + tristate + depends on (SUPERH || ARCH_SHMOBILE) && HAVE_CLK + +config SH_LCD_MIPI_DSI + bool + config FB_SH_MOBILE_LCDC tristate "SuperH Mobile LCDC framebuffer support" depends on FB && (SUPERH || ARCH_SHMOBILE) && HAVE_CLK @@ -1903,6 +1910,7 @@ config FB_SH_MOBILE_LCDC select FB_SYS_IMAGEBLIT select FB_SYS_FOPS select FB_DEFERRED_IO + select SH_MIPI_DSI if SH_LCD_MIPI_DSI ---help--- Frame buffer driver for the on-chip SH-Mobile LCD controller. diff --git a/drivers/video/Makefile b/drivers/video/Makefile index ddc2af2ba45b..3c3bf867ef18 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -123,6 +123,7 @@ obj-$(CONFIG_FB_IBM_GXT4500) += gxt4500.o obj-$(CONFIG_FB_PS3) += ps3fb.o obj-$(CONFIG_FB_SM501) += sm501fb.o obj-$(CONFIG_FB_XILINX) += xilinxfb.o +obj-$(CONFIG_SH_MIPI_DSI) += sh_mipi_dsi.o obj-$(CONFIG_FB_SH_MOBILE_LCDC) += sh_mobile_lcdcfb.o obj-$(CONFIG_FB_OMAP) += omap/ obj-y += omap2/ diff --git a/drivers/video/fb_defio.c b/drivers/video/fb_defio.c index 1105a591dcc1..073c9b408cf7 100644 --- a/drivers/video/fb_defio.c +++ b/drivers/video/fb_defio.c @@ -66,7 +66,7 @@ static int fb_deferred_io_fault(struct vm_area_struct *vma, return 0; } -int fb_deferred_io_fsync(struct file *file, struct dentry *dentry, int datasync) +int fb_deferred_io_fsync(struct file *file, int datasync) { struct fb_info *info = file->private_data; diff --git a/drivers/video/sh_mipi_dsi.c b/drivers/video/sh_mipi_dsi.c new file mode 100644 index 000000000000..017ae9f47d36 --- /dev/null +++ b/drivers/video/sh_mipi_dsi.c @@ -0,0 +1,505 @@ +/* + * Renesas SH-mobile MIPI DSI support + * + * Copyright (C) 2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de> + * + * This is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + */ + +#include <linux/clk.h> +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/types.h> + +#include <video/mipi_display.h> +#include <video/sh_mipi_dsi.h> +#include <video/sh_mobile_lcdc.h> + +#define CMTSRTCTR 0x80d0 +#define CMTSRTREQ 0x8070 + +#define DSIINTE 0x0060 + +/* E.g., sh7372 has 2 MIPI-DSIs - one for each LCDC */ +#define MAX_SH_MIPI_DSI 2 + +struct sh_mipi { + void __iomem *base; + struct clk *dsit_clk; + struct clk *dsip_clk; +}; + +static struct sh_mipi *mipi_dsi[MAX_SH_MIPI_DSI]; + +/* Protect the above array */ +static DEFINE_MUTEX(array_lock); + +static struct sh_mipi *sh_mipi_by_handle(int handle) +{ + if (handle >= ARRAY_SIZE(mipi_dsi) || handle < 0) + return NULL; + + return mipi_dsi[handle]; +} + +static int sh_mipi_send_short(struct sh_mipi *mipi, u8 dsi_cmd, + u8 cmd, u8 param) +{ + u32 data = (dsi_cmd << 24) | (cmd << 16) | (param << 8); + int cnt = 100; + + /* transmit a short packet to LCD panel */ + iowrite32(1 | data, mipi->base + 0x80d0); /* CMTSRTCTR */ + iowrite32(1, mipi->base + 0x8070); /* CMTSRTREQ */ + + while ((ioread32(mipi->base + 0x8070) & 1) && --cnt) + udelay(1); + + return cnt ? 0 : -ETIMEDOUT; +} + +#define LCD_CHAN2MIPI(c) ((c) < LCDC_CHAN_MAINLCD || (c) > LCDC_CHAN_SUBLCD ? \ + -EINVAL : (c) - 1) + +static int sh_mipi_dcs(int handle, u8 cmd) +{ + struct sh_mipi *mipi = sh_mipi_by_handle(LCD_CHAN2MIPI(handle)); + if (!mipi) + return -ENODEV; + return sh_mipi_send_short(mipi, MIPI_DSI_DCS_SHORT_WRITE, cmd, 0); +} + +static int sh_mipi_dcs_param(int handle, u8 cmd, u8 param) +{ + struct sh_mipi *mipi = sh_mipi_by_handle(LCD_CHAN2MIPI(handle)); + if (!mipi) + return -ENODEV; + return sh_mipi_send_short(mipi, MIPI_DSI_DCS_SHORT_WRITE_PARAM, cmd, + param); +} + +static void sh_mipi_dsi_enable(struct sh_mipi *mipi, bool enable) +{ + /* + * enable LCDC data tx, transition to LPS after completion of each HS + * packet + */ + iowrite32(0x00000002 | enable, mipi->base + 0x8000); /* DTCTR */ +} + +static void sh_mipi_shutdown(struct platform_device *pdev) +{ + struct sh_mipi *mipi = platform_get_drvdata(pdev); + + sh_mipi_dsi_enable(mipi, false); +} + +static void mipi_display_on(void *arg) +{ + struct sh_mipi *mipi = arg; + + sh_mipi_dsi_enable(mipi, true); +} + +static void mipi_display_off(void *arg) +{ + struct sh_mipi *mipi = arg; + + sh_mipi_dsi_enable(mipi, false); +} + +static int __init sh_mipi_setup(struct sh_mipi *mipi, + struct sh_mipi_dsi_info *pdata) +{ + void __iomem *base = mipi->base; + struct sh_mobile_lcdc_chan_cfg *ch = pdata->lcd_chan; + u32 pctype, datatype, pixfmt; + u32 linelength; + bool yuv; + + /* Select data format */ + switch (pdata->data_format) { + case MIPI_RGB888: + pctype = 0; + datatype = MIPI_DSI_PACKED_PIXEL_STREAM_24; + pixfmt = MIPI_DCS_PIXEL_FMT_24BIT; + linelength = ch->lcd_cfg.xres * 3; + yuv = false; + break; + case MIPI_RGB565: + pctype = 1; + datatype = MIPI_DSI_PACKED_PIXEL_STREAM_16; + pixfmt = MIPI_DCS_PIXEL_FMT_16BIT; + linelength = ch->lcd_cfg.xres * 2; + yuv = false; + break; + case MIPI_RGB666_LP: + pctype = 2; + datatype = MIPI_DSI_PIXEL_STREAM_3BYTE_18; + pixfmt = MIPI_DCS_PIXEL_FMT_24BIT; + linelength = ch->lcd_cfg.xres * 3; + yuv = false; + break; + case MIPI_RGB666: + pctype = 3; + datatype = MIPI_DSI_PACKED_PIXEL_STREAM_18; + pixfmt = MIPI_DCS_PIXEL_FMT_18BIT; + linelength = (ch->lcd_cfg.xres * 18 + 7) / 8; + yuv = false; + break; + case MIPI_BGR888: + pctype = 8; + datatype = MIPI_DSI_PACKED_PIXEL_STREAM_24; + pixfmt = MIPI_DCS_PIXEL_FMT_24BIT; + linelength = ch->lcd_cfg.xres * 3; + yuv = false; + break; + case MIPI_BGR565: + pctype = 9; + datatype = MIPI_DSI_PACKED_PIXEL_STREAM_16; + pixfmt = MIPI_DCS_PIXEL_FMT_16BIT; + linelength = ch->lcd_cfg.xres * 2; + yuv = false; + break; + case MIPI_BGR666_LP: + pctype = 0xa; + datatype = MIPI_DSI_PIXEL_STREAM_3BYTE_18; + pixfmt = MIPI_DCS_PIXEL_FMT_24BIT; + linelength = ch->lcd_cfg.xres * 3; + yuv = false; + break; + case MIPI_BGR666: + pctype = 0xb; + datatype = MIPI_DSI_PACKED_PIXEL_STREAM_18; + pixfmt = MIPI_DCS_PIXEL_FMT_18BIT; + linelength = (ch->lcd_cfg.xres * 18 + 7) / 8; + yuv = false; + break; + case MIPI_YUYV: + pctype = 4; + datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR16; + pixfmt = MIPI_DCS_PIXEL_FMT_16BIT; + linelength = ch->lcd_cfg.xres * 2; + yuv = true; + break; + case MIPI_UYVY: + pctype = 5; + datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR16; + pixfmt = MIPI_DCS_PIXEL_FMT_16BIT; + linelength = ch->lcd_cfg.xres * 2; + yuv = true; + break; + case MIPI_YUV420_L: + pctype = 6; + datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR12; + pixfmt = MIPI_DCS_PIXEL_FMT_12BIT; + linelength = (ch->lcd_cfg.xres * 12 + 7) / 8; + yuv = true; + break; + case MIPI_YUV420: + pctype = 7; + datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR12; + pixfmt = MIPI_DCS_PIXEL_FMT_12BIT; + /* Length of U/V line */ + linelength = (ch->lcd_cfg.xres + 1) / 2; + yuv = true; + break; + default: + return -EINVAL; + } + + if ((yuv && ch->interface_type != YUV422) || + (!yuv && ch->interface_type != RGB24)) + return -EINVAL; + + /* reset DSI link */ + iowrite32(0x00000001, base); /* SYSCTRL */ + /* Hold reset for 100 cycles of the slowest of bus, HS byte and LP clock */ + udelay(50); + iowrite32(0x00000000, base); /* SYSCTRL */ + + /* setup DSI link */ + + /* + * Default = ULPS enable | + * Contention detection enabled | + * EoT packet transmission enable | + * CRC check enable | + * ECC check enable + * additionally enable first two lanes + */ + iowrite32(0x00003703, base + 0x04); /* SYSCONF */ + /* + * T_wakeup = 0x7000 + * T_hs-trail = 3 + * T_hs-prepare = 3 + * T_clk-trail = 3 + * T_clk-prepare = 2 + */ + iowrite32(0x70003332, base + 0x08); /* TIMSET */ + /* no responses requested */ + iowrite32(0x00000000, base + 0x18); /* RESREQSET0 */ + /* request response to packets of type 0x28 */ + iowrite32(0x00000100, base + 0x1c); /* RESREQSET1 */ + /* High-speed transmission timeout, default 0xffffffff */ + iowrite32(0x0fffffff, base + 0x20); /* HSTTOVSET */ + /* LP reception timeout, default 0xffffffff */ + iowrite32(0x0fffffff, base + 0x24); /* LPRTOVSET */ + /* Turn-around timeout, default 0xffffffff */ + iowrite32(0x0fffffff, base + 0x28); /* TATOVSET */ + /* Peripheral reset timeout, default 0xffffffff */ + iowrite32(0x0fffffff, base + 0x2c); /* PRTOVSET */ + /* Enable timeout counters */ + iowrite32(0x00000f00, base + 0x30); /* DSICTRL */ + /* Interrupts not used, disable all */ + iowrite32(0, base + DSIINTE); + /* DSI-Tx bias on */ + iowrite32(0x00000001, base + 0x70); /* PHYCTRL */ + udelay(200); + /* Deassert resets, power on, set multiplier */ + iowrite32(0x03070b01, base + 0x70); /* PHYCTRL */ + + /* setup l-bridge */ + + /* + * Enable transmission of all packets, + * transmit LPS after each HS packet completion + */ + iowrite32(0x00000006, base + 0x8000); /* DTCTR */ + /* VSYNC width = 2 (<< 17) */ + iowrite32(0x00040000 | (pctype << 12) | datatype, base + 0x8020); /* VMCTR1 */ + /* + * Non-burst mode with sync pulses: VSE and HSE are output, + * HSA period allowed, no commands in LP + */ + iowrite32(0x00e00000, base + 0x8024); /* VMCTR2 */ + /* + * 0x660 = 1632 bytes per line (RGB24, 544 pixels: see + * sh_mobile_lcdc_info.ch[0].lcd_cfg.xres), HSALEN = 1 - default + * (unused, since VMCTR2[HSABM] = 0) + */ + iowrite32(1 | (linelength << 16), base + 0x8028); /* VMLEN1 */ + + msleep(5); + + /* setup LCD panel */ + + /* cf. drivers/video/omap/lcd_mipid.c */ + sh_mipi_dcs(ch->chan, MIPI_DCS_EXIT_SLEEP_MODE); + msleep(120); + /* + * [7] - Page Address Mode + * [6] - Column Address Mode + * [5] - Page / Column Address Mode + * [4] - Display Device Line Refresh Order + * [3] - RGB/BGR Order + * [2] - Display Data Latch Data Order + * [1] - Flip Horizontal + * [0] - Flip Vertical + */ + sh_mipi_dcs_param(ch->chan, MIPI_DCS_SET_ADDRESS_MODE, 0x00); + /* cf. set_data_lines() */ + sh_mipi_dcs_param(ch->chan, MIPI_DCS_SET_PIXEL_FORMAT, + pixfmt << 4); + sh_mipi_dcs(ch->chan, MIPI_DCS_SET_DISPLAY_ON); + + return 0; +} + +static int __init sh_mipi_probe(struct platform_device *pdev) +{ + struct sh_mipi *mipi; + struct sh_mipi_dsi_info *pdata = pdev->dev.platform_data; + struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + unsigned long rate, f_current; + int idx = pdev->id, ret; + char dsip_clk[] = "dsi.p_clk"; + + if (!res || idx >= ARRAY_SIZE(mipi_dsi) || !pdata) + return -ENODEV; + + mutex_lock(&array_lock); + if (idx < 0) + for (idx = 0; idx < ARRAY_SIZE(mipi_dsi) && mipi_dsi[idx]; idx++) + ; + + if (idx == ARRAY_SIZE(mipi_dsi)) { + ret = -EBUSY; + goto efindslot; + } + + mipi = kzalloc(sizeof(*mipi), GFP_KERNEL); + if (!mipi) { + ret = -ENOMEM; + goto ealloc; + } + + if (!request_mem_region(res->start, resource_size(res), pdev->name)) { + dev_err(&pdev->dev, "MIPI register region already claimed\n"); + ret = -EBUSY; + goto ereqreg; + } + + mipi->base = ioremap(res->start, resource_size(res)); + if (!mipi->base) { + ret = -ENOMEM; + goto emap; + } + + mipi->dsit_clk = clk_get(&pdev->dev, "dsit_clk"); + if (IS_ERR(mipi->dsit_clk)) { + ret = PTR_ERR(mipi->dsit_clk); + goto eclktget; + } + + f_current = clk_get_rate(mipi->dsit_clk); + /* 80MHz required by the datasheet */ + rate = clk_round_rate(mipi->dsit_clk, 80000000); + if (rate > 0 && rate != f_current) + ret = clk_set_rate(mipi->dsit_clk, rate); + else + ret = rate; + if (ret < 0) + goto esettrate; + + dev_dbg(&pdev->dev, "DSI-T clk %lu -> %lu\n", f_current, rate); + + sprintf(dsip_clk, "dsi%1.1dp_clk", idx); + mipi->dsip_clk = clk_get(&pdev->dev, dsip_clk); + if (IS_ERR(mipi->dsip_clk)) { + ret = PTR_ERR(mipi->dsip_clk); + goto eclkpget; + } + + f_current = clk_get_rate(mipi->dsip_clk); + /* Between 10 and 50MHz */ + rate = clk_round_rate(mipi->dsip_clk, 24000000); + if (rate > 0 && rate != f_current) + ret = clk_set_rate(mipi->dsip_clk, rate); + else + ret = rate; + if (ret < 0) + goto esetprate; + + dev_dbg(&pdev->dev, "DSI-P clk %lu -> %lu\n", f_current, rate); + + msleep(10); + + ret = clk_enable(mipi->dsit_clk); + if (ret < 0) + goto eclkton; + + ret = clk_enable(mipi->dsip_clk); + if (ret < 0) + goto eclkpon; + + mipi_dsi[idx] = mipi; + + ret = sh_mipi_setup(mipi, pdata); + if (ret < 0) + goto emipisetup; + + mutex_unlock(&array_lock); + platform_set_drvdata(pdev, mipi); + + /* Set up LCDC callbacks */ + pdata->lcd_chan->board_cfg.board_data = mipi; + pdata->lcd_chan->board_cfg.display_on = mipi_display_on; + pdata->lcd_chan->board_cfg.display_off = mipi_display_off; + + return 0; + +emipisetup: + mipi_dsi[idx] = NULL; + clk_disable(mipi->dsip_clk); +eclkpon: + clk_disable(mipi->dsit_clk); +eclkton: +esetprate: + clk_put(mipi->dsip_clk); +eclkpget: +esettrate: + clk_put(mipi->dsit_clk); +eclktget: + iounmap(mipi->base); +emap: + release_mem_region(res->start, resource_size(res)); +ereqreg: + kfree(mipi); +ealloc: +efindslot: + mutex_unlock(&array_lock); + + return ret; +} + +static int __exit sh_mipi_remove(struct platform_device *pdev) +{ + struct sh_mipi_dsi_info *pdata = pdev->dev.platform_data; + struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + struct sh_mipi *mipi = platform_get_drvdata(pdev); + int i, ret; + + mutex_lock(&array_lock); + + for (i = 0; i < ARRAY_SIZE(mipi_dsi) && mipi_dsi[i] != mipi; i++) + ; + + if (i == ARRAY_SIZE(mipi_dsi)) { + ret = -EINVAL; + } else { + ret = 0; + mipi_dsi[i] = NULL; + } + + mutex_unlock(&array_lock); + + if (ret < 0) + return ret; + + pdata->lcd_chan->board_cfg.display_on = NULL; + pdata->lcd_chan->board_cfg.display_off = NULL; + pdata->lcd_chan->board_cfg.board_data = NULL; + + clk_disable(mipi->dsip_clk); + clk_disable(mipi->dsit_clk); + clk_put(mipi->dsit_clk); + clk_put(mipi->dsip_clk); + iounmap(mipi->base); + if (res) + release_mem_region(res->start, resource_size(res)); + platform_set_drvdata(pdev, NULL); + kfree(mipi); + + return 0; +} + +static struct platform_driver sh_mipi_driver = { + .remove = __exit_p(sh_mipi_remove), + .shutdown = sh_mipi_shutdown, + .driver = { + .name = "sh-mipi-dsi", + }, +}; + +static int __init sh_mipi_init(void) +{ + return platform_driver_probe(&sh_mipi_driver, sh_mipi_probe); +} +module_init(sh_mipi_init); + +static void __exit sh_mipi_exit(void) +{ + platform_driver_unregister(&sh_mipi_driver); +} +module_exit(sh_mipi_exit); + +MODULE_AUTHOR("Guennadi Liakhovetski <g.liakhovetski@gmx.de>"); +MODULE_DESCRIPTION("SuperH / ARM-shmobile MIPI DSI driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c index e8c769944812..12c451a711e9 100644 --- a/drivers/video/sh_mobile_lcdcfb.c +++ b/drivers/video/sh_mobile_lcdcfb.c @@ -991,13 +991,13 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev) priv->ch[j].lcdc = priv; memcpy(&priv->ch[j].cfg, &pdata->ch[i], sizeof(pdata->ch[i])); - error = sh_mobile_lcdc_check_interface(&priv->ch[i]); + error = sh_mobile_lcdc_check_interface(&priv->ch[j]); if (error) { dev_err(&pdev->dev, "unsupported interface type\n"); goto err1; } - init_waitqueue_head(&priv->ch[i].frame_end_wait); - init_completion(&priv->ch[i].vsync_completion); + init_waitqueue_head(&priv->ch[j].frame_end_wait); + init_completion(&priv->ch[j].vsync_completion); priv->ch[j].pan_offset = 0; switch (pdata->ch[i].chan) { diff --git a/drivers/video/tdfxfb.c b/drivers/video/tdfxfb.c index 980548390048..3ee5e63cfa4f 100644 --- a/drivers/video/tdfxfb.c +++ b/drivers/video/tdfxfb.c @@ -1571,8 +1571,8 @@ out_err_iobase: if (default_par->mtrr_handle >= 0) mtrr_del(default_par->mtrr_handle, info->fix.smem_start, info->fix.smem_len); - release_mem_region(pci_resource_start(pdev, 2), - pci_resource_len(pdev, 2)); + release_region(pci_resource_start(pdev, 2), + pci_resource_len(pdev, 2)); out_err_screenbase: if (info->screen_base) iounmap(info->screen_base); diff --git a/drivers/watchdog/rdc321x_wdt.c b/drivers/watchdog/rdc321x_wdt.c index 69c6adbd8205..428f8a1583e8 100644 --- a/drivers/watchdog/rdc321x_wdt.c +++ b/drivers/watchdog/rdc321x_wdt.c @@ -1,7 +1,7 @@ /* * RDC321x watchdog driver * - * Copyright (C) 2007 Florian Fainelli <florian@openwrt.org> + * Copyright (C) 2007-2010 Florian Fainelli <florian@openwrt.org> * * This driver is highly inspired from the cpu5_wdt driver * @@ -36,8 +36,7 @@ #include <linux/watchdog.h> #include <linux/io.h> #include <linux/uaccess.h> - -#include <asm/rdc321x_defs.h> +#include <linux/mfd/rdc321x.h> #define RDC_WDT_MASK 0x80000000 /* Mask */ #define RDC_WDT_EN 0x00800000 /* Enable bit */ @@ -63,6 +62,8 @@ static struct { int default_ticks; unsigned long inuse; spinlock_t lock; + struct pci_dev *sb_pdev; + int base_reg; } rdc321x_wdt_device; /* generic helper functions */ @@ -70,14 +71,18 @@ static struct { static void rdc321x_wdt_trigger(unsigned long unused) { unsigned long flags; + u32 val; if (rdc321x_wdt_device.running) ticks--; /* keep watchdog alive */ spin_lock_irqsave(&rdc321x_wdt_device.lock, flags); - outl(RDC_WDT_EN | inl(RDC3210_CFGREG_DATA), - RDC3210_CFGREG_DATA); + pci_read_config_dword(rdc321x_wdt_device.sb_pdev, + rdc321x_wdt_device.base_reg, &val); + val |= RDC_WDT_EN; + pci_write_config_dword(rdc321x_wdt_device.sb_pdev, + rdc321x_wdt_device.base_reg, val); spin_unlock_irqrestore(&rdc321x_wdt_device.lock, flags); /* requeue?? */ @@ -105,10 +110,13 @@ static void rdc321x_wdt_start(void) /* Clear the timer */ spin_lock_irqsave(&rdc321x_wdt_device.lock, flags); - outl(RDC_CLS_TMR, RDC3210_CFGREG_ADDR); + pci_write_config_dword(rdc321x_wdt_device.sb_pdev, + rdc321x_wdt_device.base_reg, RDC_CLS_TMR); /* Enable watchdog and set the timeout to 81.92 us */ - outl(RDC_WDT_EN | RDC_WDT_CNT, RDC3210_CFGREG_DATA); + pci_write_config_dword(rdc321x_wdt_device.sb_pdev, + rdc321x_wdt_device.base_reg, + RDC_WDT_EN | RDC_WDT_CNT); spin_unlock_irqrestore(&rdc321x_wdt_device.lock, flags); mod_timer(&rdc321x_wdt_device.timer, @@ -148,7 +156,7 @@ static long rdc321x_wdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { void __user *argp = (void __user *)arg; - unsigned int value; + u32 value; static const struct watchdog_info ident = { .options = WDIOF_CARDRESET, .identity = "RDC321x WDT", @@ -162,9 +170,10 @@ static long rdc321x_wdt_ioctl(struct file *file, unsigned int cmd, case WDIOC_GETSTATUS: /* Read the value from the DATA register */ spin_lock_irqsave(&rdc321x_wdt_device.lock, flags); - value = inl(RDC3210_CFGREG_DATA); + pci_read_config_dword(rdc321x_wdt_device.sb_pdev, + rdc321x_wdt_device.base_reg, &value); spin_unlock_irqrestore(&rdc321x_wdt_device.lock, flags); - if (copy_to_user(argp, &value, sizeof(int))) + if (copy_to_user(argp, &value, sizeof(u32))) return -EFAULT; break; case WDIOC_GETSUPPORT: @@ -219,17 +228,35 @@ static struct miscdevice rdc321x_wdt_misc = { static int __devinit rdc321x_wdt_probe(struct platform_device *pdev) { int err; + struct resource *r; + struct rdc321x_wdt_pdata *pdata; + + pdata = pdev->dev.platform_data; + if (!pdata) { + dev_err(&pdev->dev, "no platform data supplied\n"); + return -ENODEV; + } + + r = platform_get_resource_byname(pdev, IORESOURCE_IO, "wdt-reg"); + if (!r) { + dev_err(&pdev->dev, "failed to get wdt-reg resource\n"); + return -ENODEV; + } + + rdc321x_wdt_device.sb_pdev = pdata->sb_pdev; + rdc321x_wdt_device.base_reg = r->start; err = misc_register(&rdc321x_wdt_misc); if (err < 0) { - printk(KERN_ERR PFX "watchdog misc_register failed\n"); + dev_err(&pdev->dev, "misc_register failed\n"); return err; } spin_lock_init(&rdc321x_wdt_device.lock); /* Reset the watchdog */ - outl(RDC_WDT_RST, RDC3210_CFGREG_DATA); + pci_write_config_dword(rdc321x_wdt_device.sb_pdev, + rdc321x_wdt_device.base_reg, RDC_WDT_RST); init_completion(&rdc321x_wdt_device.stop); rdc321x_wdt_device.queue = 0; @@ -240,7 +267,7 @@ static int __devinit rdc321x_wdt_probe(struct platform_device *pdev) rdc321x_wdt_device.default_ticks = ticks; - printk(KERN_INFO PFX "watchdog init success\n"); + dev_info(&pdev->dev, "watchdog init success\n"); return 0; } diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c index 25b300e1c9d7..2bedc6c94fc2 100644 --- a/fs/9p/vfs_file.c +++ b/fs/9p/vfs_file.c @@ -257,15 +257,13 @@ v9fs_file_write(struct file *filp, const char __user * data, return total; } -static int v9fs_file_fsync(struct file *filp, struct dentry *dentry, - int datasync) +static int v9fs_file_fsync(struct file *filp, int datasync) { struct p9_fid *fid; struct p9_wstat wstat; int retval; - P9_DPRINTK(P9_DEBUG_VFS, "filp %p dentry %p datasync %x\n", filp, - dentry, datasync); + P9_DPRINTK(P9_DEBUG_VFS, "filp %p datasync %x\n", filp, datasync); fid = filp->private_data; v9fs_blank_wstat(&wstat); diff --git a/fs/adfs/dir.c b/fs/adfs/dir.c index 23aa52f548a0..f4287e4de744 100644 --- a/fs/adfs/dir.c +++ b/fs/adfs/dir.c @@ -197,7 +197,7 @@ const struct file_operations adfs_dir_operations = { .read = generic_read_dir, .llseek = generic_file_llseek, .readdir = adfs_readdir, - .fsync = simple_fsync, + .fsync = generic_file_fsync, }; static int diff --git a/fs/adfs/file.c b/fs/adfs/file.c index 005ea34d1758..a36da5382b40 100644 --- a/fs/adfs/file.c +++ b/fs/adfs/file.c @@ -26,7 +26,7 @@ const struct file_operations adfs_file_operations = { .read = do_sync_read, .aio_read = generic_file_aio_read, .mmap = generic_file_mmap, - .fsync = simple_fsync, + .fsync = generic_file_fsync, .write = do_sync_write, .aio_write = generic_file_aio_write, .splice_read = generic_file_splice_read, diff --git a/fs/adfs/inode.c b/fs/adfs/inode.c index 0f5e30978135..6f850b06ab62 100644 --- a/fs/adfs/inode.c +++ b/fs/adfs/inode.c @@ -322,8 +322,9 @@ adfs_notify_change(struct dentry *dentry, struct iattr *attr) if (error) goto out; + /* XXX: this is missing some actual on-disk truncation.. */ if (ia_valid & ATTR_SIZE) - error = vmtruncate(inode, attr->ia_size); + error = simple_setsize(inode, attr->ia_size); if (error) goto out; diff --git a/fs/affs/affs.h b/fs/affs/affs.h index 861dae68ac12..f05b6155ccc8 100644 --- a/fs/affs/affs.h +++ b/fs/affs/affs.h @@ -183,7 +183,7 @@ extern int affs_add_entry(struct inode *dir, struct inode *inode, struct dent void affs_free_prealloc(struct inode *inode); extern void affs_truncate(struct inode *); -int affs_file_fsync(struct file *, struct dentry *, int); +int affs_file_fsync(struct file *, int); /* dir.c */ diff --git a/fs/affs/file.c b/fs/affs/file.c index 184e55c1c9ba..322710c3eedf 100644 --- a/fs/affs/file.c +++ b/fs/affs/file.c @@ -916,9 +916,9 @@ affs_truncate(struct inode *inode) affs_free_prealloc(inode); } -int affs_file_fsync(struct file *filp, struct dentry *dentry, int datasync) +int affs_file_fsync(struct file *filp, int datasync) { - struct inode * inode = dentry->d_inode; + struct inode *inode = filp->f_mapping->host; int ret, err; ret = write_inode_now(inode, 0); diff --git a/fs/afs/internal.h b/fs/afs/internal.h index 807f284cc75e..5f679b77ce24 100644 --- a/fs/afs/internal.h +++ b/fs/afs/internal.h @@ -740,7 +740,7 @@ extern void afs_pages_written_back(struct afs_vnode *, struct afs_call *); extern ssize_t afs_file_write(struct kiocb *, const struct iovec *, unsigned long, loff_t); extern int afs_writeback_all(struct afs_vnode *); -extern int afs_fsync(struct file *, struct dentry *, int); +extern int afs_fsync(struct file *, int); /*****************************************************************************/ diff --git a/fs/afs/write.c b/fs/afs/write.c index 3bed54a294d4..3dab9e9948d0 100644 --- a/fs/afs/write.c +++ b/fs/afs/write.c @@ -701,8 +701,9 @@ int afs_writeback_all(struct afs_vnode *vnode) * - the return status from this call provides a reliable indication of * whether any write errors occurred for this process. */ -int afs_fsync(struct file *file, struct dentry *dentry, int datasync) +int afs_fsync(struct file *file, int datasync) { + struct dentry *dentry = file->f_path.dentry; struct afs_writeback *wb, *xwb; struct afs_vnode *vnode = AFS_FS_I(dentry->d_inode); int ret; @@ -527,7 +527,7 @@ static void aio_fput_routine(struct work_struct *data) /* Complete the fput(s) */ if (req->ki_filp != NULL) - __fput(req->ki_filp); + fput(req->ki_filp); /* Link the iocb into the context's free list */ spin_lock_irq(&ctx->ctx_lock); @@ -560,11 +560,11 @@ static int __aio_put_req(struct kioctx *ctx, struct kiocb *req) /* * Try to optimize the aio and eventfd file* puts, by avoiding to - * schedule work in case it is not __fput() time. In normal cases, + * schedule work in case it is not final fput() time. In normal cases, * we would not be holding the last reference to the file*, so * this function will be executed w/out any aio kthread wakeup. */ - if (unlikely(atomic_long_dec_and_test(&req->ki_filp->f_count))) { + if (unlikely(!fput_atomic(req->ki_filp))) { get_ioctx(ctx); spin_lock(&fput_lock); list_add(&req->ki_list, &fput_head); diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c index 9bd4b3876c99..e4b75d6eda83 100644 --- a/fs/anon_inodes.c +++ b/fs/anon_inodes.c @@ -205,7 +205,7 @@ static struct inode *anon_inode_mkinode(void) * that it already _is_ on the dirty list. */ inode->i_state = I_DIRTY; - inode->i_mode = S_IFREG | S_IRUSR | S_IWUSR; + inode->i_mode = S_IRUSR | S_IWUSR; inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); inode->i_flags |= S_PRIVATE; diff --git a/fs/attr.c b/fs/attr.c index 0815e93bb487..b4fa3b0aa596 100644 --- a/fs/attr.c +++ b/fs/attr.c @@ -67,14 +67,14 @@ EXPORT_SYMBOL(inode_change_ok); * @offset: the new size to assign to the inode * @Returns: 0 on success, -ve errno on failure * + * inode_newsize_ok must be called with i_mutex held. + * * inode_newsize_ok will check filesystem limits and ulimits to check that the * new inode size is within limits. inode_newsize_ok will also send SIGXFSZ * when necessary. Caller must not proceed with inode size change if failure is * returned. @inode must be a file (not directory), with appropriate * permissions to allow truncate (inode_newsize_ok does NOT check these * conditions). - * - * inode_newsize_ok must be called with i_mutex held. */ int inode_newsize_ok(const struct inode *inode, loff_t offset) { @@ -104,17 +104,25 @@ out_big: } EXPORT_SYMBOL(inode_newsize_ok); -int inode_setattr(struct inode * inode, struct iattr * attr) +/** + * generic_setattr - copy simple metadata updates into the generic inode + * @inode: the inode to be updated + * @attr: the new attributes + * + * generic_setattr must be called with i_mutex held. + * + * generic_setattr updates the inode's metadata with that specified + * in attr. Noticably missing is inode size update, which is more complex + * as it requires pagecache updates. See simple_setsize. + * + * The inode is not marked as dirty after this operation. The rationale is + * that for "simple" filesystems, the struct inode is the inode storage. + * The caller is free to mark the inode dirty afterwards if needed. + */ +void generic_setattr(struct inode *inode, const struct iattr *attr) { unsigned int ia_valid = attr->ia_valid; - if (ia_valid & ATTR_SIZE && - attr->ia_size != i_size_read(inode)) { - int error = vmtruncate(inode, attr->ia_size); - if (error) - return error; - } - if (ia_valid & ATTR_UID) inode->i_uid = attr->ia_uid; if (ia_valid & ATTR_GID) @@ -135,6 +143,28 @@ int inode_setattr(struct inode * inode, struct iattr * attr) mode &= ~S_ISGID; inode->i_mode = mode; } +} +EXPORT_SYMBOL(generic_setattr); + +/* + * note this function is deprecated, the new truncate sequence should be + * used instead -- see eg. simple_setsize, generic_setattr. + */ +int inode_setattr(struct inode *inode, const struct iattr *attr) +{ + unsigned int ia_valid = attr->ia_valid; + + if (ia_valid & ATTR_SIZE && + attr->ia_size != i_size_read(inode)) { + int error; + + error = vmtruncate(inode, attr->ia_size); + if (error) + return error; + } + + generic_setattr(inode, attr); + mark_inode_dirty(inode); return 0; diff --git a/fs/bad_inode.c b/fs/bad_inode.c index a05287a23f62..52e59bf4aa5f 100644 --- a/fs/bad_inode.c +++ b/fs/bad_inode.c @@ -93,8 +93,7 @@ static int bad_file_release(struct inode *inode, struct file *filp) return -EIO; } -static int bad_file_fsync(struct file *file, struct dentry *dentry, - int datasync) +static int bad_file_fsync(struct file *file, int datasync) { return -EIO; } diff --git a/fs/bfs/dir.c b/fs/bfs/dir.c index 8f73841fc974..d967e052b779 100644 --- a/fs/bfs/dir.c +++ b/fs/bfs/dir.c @@ -78,7 +78,7 @@ static int bfs_readdir(struct file *f, void *dirent, filldir_t filldir) const struct file_operations bfs_dir_operations = { .read = generic_read_dir, .readdir = bfs_readdir, - .fsync = simple_fsync, + .fsync = generic_file_fsync, .llseek = generic_file_llseek, }; diff --git a/fs/block_dev.c b/fs/block_dev.c index 26e5f5026620..7346c96308a5 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -172,8 +172,9 @@ blkdev_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov, struct file *file = iocb->ki_filp; struct inode *inode = file->f_mapping->host; - return blockdev_direct_IO_no_locking(rw, iocb, inode, I_BDEV(inode), - iov, offset, nr_segs, blkdev_get_blocks, NULL); + return blockdev_direct_IO_no_locking_newtrunc(rw, iocb, inode, + I_BDEV(inode), iov, offset, nr_segs, + blkdev_get_blocks, NULL); } int __sync_blockdev(struct block_device *bdev, int wait) @@ -309,8 +310,8 @@ static int blkdev_write_begin(struct file *file, struct address_space *mapping, struct page **pagep, void **fsdata) { *pagep = NULL; - return block_write_begin(file, mapping, pos, len, flags, pagep, fsdata, - blkdev_get_block); + return block_write_begin_newtrunc(file, mapping, pos, len, flags, + pagep, fsdata, blkdev_get_block); } static int blkdev_write_end(struct file *file, struct address_space *mapping, @@ -358,12 +359,7 @@ static loff_t block_llseek(struct file *file, loff_t offset, int origin) return retval; } -/* - * Filp is never NULL; the only case when ->fsync() is called with - * NULL first argument is nfsd_sync_dir() and that's not a directory. - */ - -int blkdev_fsync(struct file *filp, struct dentry *dentry, int datasync) +int blkdev_fsync(struct file *filp, int datasync) { struct inode *bd_inode = filp->f_mapping->host; struct block_device *bdev = I_BDEV(bd_inode); diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index e9bf86415e86..29c20092847e 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -2434,7 +2434,7 @@ void btrfs_update_iflags(struct inode *inode); void btrfs_inherit_iflags(struct inode *inode, struct inode *dir); /* file.c */ -int btrfs_sync_file(struct file *file, struct dentry *dentry, int datasync); +int btrfs_sync_file(struct file *file, int datasync); int btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end, int skip_pinned); int btrfs_check_file(struct btrfs_root *root, struct inode *inode); diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 79437c5eeb1e..787b50a16a14 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1101,8 +1101,9 @@ int btrfs_release_file(struct inode *inode, struct file *filp) * important optimization for directories because holding the mutex prevents * new operations on the dir while we write to disk. */ -int btrfs_sync_file(struct file *file, struct dentry *dentry, int datasync) +int btrfs_sync_file(struct file *file, int datasync) { + struct dentry *dentry = file->f_path.dentry; struct inode *inode = dentry->d_inode; struct btrfs_root *root = BTRFS_I(inode)->root; int ret = 0; diff --git a/fs/buffer.c b/fs/buffer.c index e8aa7081d25c..d54812b198e9 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -1949,14 +1949,11 @@ static int __block_commit_write(struct inode *inode, struct page *page, } /* - * block_write_begin takes care of the basic task of block allocation and - * bringing partial write blocks uptodate first. - * - * If *pagep is not NULL, then block_write_begin uses the locked page - * at *pagep rather than allocating its own. In this case, the page will - * not be unlocked or deallocated on failure. + * Filesystems implementing the new truncate sequence should use the + * _newtrunc postfix variant which won't incorrectly call vmtruncate. + * The filesystem needs to handle block truncation upon failure. */ -int block_write_begin(struct file *file, struct address_space *mapping, +int block_write_begin_newtrunc(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, struct page **pagep, void **fsdata, get_block_t *get_block) @@ -1992,20 +1989,50 @@ int block_write_begin(struct file *file, struct address_space *mapping, unlock_page(page); page_cache_release(page); *pagep = NULL; - - /* - * prepare_write() may have instantiated a few blocks - * outside i_size. Trim these off again. Don't need - * i_size_read because we hold i_mutex. - */ - if (pos + len > inode->i_size) - vmtruncate(inode, inode->i_size); } } out: return status; } +EXPORT_SYMBOL(block_write_begin_newtrunc); + +/* + * block_write_begin takes care of the basic task of block allocation and + * bringing partial write blocks uptodate first. + * + * If *pagep is not NULL, then block_write_begin uses the locked page + * at *pagep rather than allocating its own. In this case, the page will + * not be unlocked or deallocated on failure. + */ +int block_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata, + get_block_t *get_block) +{ + int ret; + + ret = block_write_begin_newtrunc(file, mapping, pos, len, flags, + pagep, fsdata, get_block); + + /* + * prepare_write() may have instantiated a few blocks + * outside i_size. Trim these off again. Don't need + * i_size_read because we hold i_mutex. + * + * Filesystems which pass down their own page also cannot + * call into vmtruncate here because it would lead to lock + * inversion problems (*pagep is locked). This is a further + * example of where the old truncate sequence is inadequate. + */ + if (unlikely(ret) && *pagep == NULL) { + loff_t isize = mapping->host->i_size; + if (pos + len > isize) + vmtruncate(mapping->host, isize); + } + + return ret; +} EXPORT_SYMBOL(block_write_begin); int block_write_end(struct file *file, struct address_space *mapping, @@ -2324,7 +2351,7 @@ out: * For moronic filesystems that do not allow holes in file. * We may have to extend the file. */ -int cont_write_begin(struct file *file, struct address_space *mapping, +int cont_write_begin_newtrunc(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, struct page **pagep, void **fsdata, get_block_t *get_block, loff_t *bytes) @@ -2345,11 +2372,30 @@ int cont_write_begin(struct file *file, struct address_space *mapping, } *pagep = NULL; - err = block_write_begin(file, mapping, pos, len, + err = block_write_begin_newtrunc(file, mapping, pos, len, flags, pagep, fsdata, get_block); out: return err; } +EXPORT_SYMBOL(cont_write_begin_newtrunc); + +int cont_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata, + get_block_t *get_block, loff_t *bytes) +{ + int ret; + + ret = cont_write_begin_newtrunc(file, mapping, pos, len, flags, + pagep, fsdata, get_block, bytes); + if (unlikely(ret)) { + loff_t isize = mapping->host->i_size; + if (pos + len > isize) + vmtruncate(mapping->host, isize); + } + + return ret; +} EXPORT_SYMBOL(cont_write_begin); int block_prepare_write(struct page *page, unsigned from, unsigned to, @@ -2381,7 +2427,7 @@ EXPORT_SYMBOL(block_commit_write); * * We are not allowed to take the i_mutex here so we have to play games to * protect against truncate races as the page could now be beyond EOF. Because - * vmtruncate() writes the inode size before removing pages, once we have the + * truncate writes the inode size before removing pages, once we have the * page lock we can determine safely if the page is beyond EOF. If it is not * beyond EOF, then the page is guaranteed safe against truncation until we * unlock the page. @@ -2464,10 +2510,11 @@ static void attach_nobh_buffers(struct page *page, struct buffer_head *head) } /* - * On entry, the page is fully not uptodate. - * On exit the page is fully uptodate in the areas outside (from,to) + * Filesystems implementing the new truncate sequence should use the + * _newtrunc postfix variant which won't incorrectly call vmtruncate. + * The filesystem needs to handle block truncation upon failure. */ -int nobh_write_begin(struct file *file, struct address_space *mapping, +int nobh_write_begin_newtrunc(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, struct page **pagep, void **fsdata, get_block_t *get_block) @@ -2500,8 +2547,8 @@ int nobh_write_begin(struct file *file, struct address_space *mapping, unlock_page(page); page_cache_release(page); *pagep = NULL; - return block_write_begin(file, mapping, pos, len, flags, pagep, - fsdata, get_block); + return block_write_begin_newtrunc(file, mapping, pos, len, + flags, pagep, fsdata, get_block); } if (PageMappedToDisk(page)) @@ -2605,8 +2652,34 @@ out_release: page_cache_release(page); *pagep = NULL; - if (pos + len > inode->i_size) - vmtruncate(inode, inode->i_size); + return ret; +} +EXPORT_SYMBOL(nobh_write_begin_newtrunc); + +/* + * On entry, the page is fully not uptodate. + * On exit the page is fully uptodate in the areas outside (from,to) + */ +int nobh_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata, + get_block_t *get_block) +{ + int ret; + + ret = nobh_write_begin_newtrunc(file, mapping, pos, len, flags, + pagep, fsdata, get_block); + + /* + * prepare_write() may have instantiated a few blocks + * outside i_size. Trim these off again. Don't need + * i_size_read because we hold i_mutex. + */ + if (unlikely(ret)) { + loff_t isize = mapping->host->i_size; + if (pos + len > isize) + vmtruncate(mapping->host, isize); + } return ret; } diff --git a/fs/ceph/Kconfig b/fs/ceph/Kconfig index 04b8280582a9..4c49d18303db 100644 --- a/fs/ceph/Kconfig +++ b/fs/ceph/Kconfig @@ -25,3 +25,13 @@ config CEPH_FS_PRETTYDEBUG If unsure, say N. +config CEPH_RBD + bool "Rados block device (RBD)" + depends on CEPH_FS + select CONFIG_BLOCK + default y + help + If you say Y here, ceph will include rbd, the RADOS block + device which stripes a block device over objects stored in + the Ceph distributed object store. + diff --git a/fs/ceph/Makefile b/fs/ceph/Makefile index 6a660e610be8..d2f6326c01dc 100644 --- a/fs/ceph/Makefile +++ b/fs/ceph/Makefile @@ -18,6 +18,8 @@ ceph-objs := super.o inode.o dir.o file.o addr.o ioctl.o \ auth_x.o \ ceph_fs.o ceph_strings.o ceph_hash.o ceph_frag.o +obj-$(CONFIG_RBD) += rbd.o + else #Otherwise we were called directly from the command # line; invoke the kernel build system. diff --git a/fs/ceph/README b/fs/ceph/README index 18352fab37c0..e2046ec8e54a 100644 --- a/fs/ceph/README +++ b/fs/ceph/README @@ -7,6 +7,7 @@ src/include/ceph_fs.h fs/ceph/ceph_fs.h src/include/ceph_fs.cc fs/ceph/ceph_fs.c src/include/msgr.h fs/ceph/msgr.h src/include/rados.h fs/ceph/rados.h +src/include/rbd_types.h fs/ceph/rbd_types.h src/include/ceph_strings.cc fs/ceph/ceph_strings.c src/include/ceph_frag.h fs/ceph/ceph_frag.h src/include/ceph_frag.cc fs/ceph/ceph_frag.c diff --git a/fs/ceph/auth.c b/fs/ceph/auth.c index 9f46de2ba7a7..89490beaf537 100644 --- a/fs/ceph/auth.c +++ b/fs/ceph/auth.c @@ -1,7 +1,6 @@ #include "ceph_debug.h" #include <linux/module.h> -#include <linux/slab.h> #include <linux/err.h> #include <linux/slab.h> @@ -217,8 +216,8 @@ int ceph_handle_auth_reply(struct ceph_auth_client *ac, if (ac->protocol != protocol) { ret = ceph_auth_init_protocol(ac, protocol); if (ret) { - pr_err("error %d on auth method %s init\n", - ret, ac->ops->name); + pr_err("error %d on auth protocol %d init\n", + ret, protocol); goto out; } } @@ -247,7 +246,7 @@ int ceph_build_auth(struct ceph_auth_client *ac, if (!ac->protocol) return ceph_auth_build_hello(ac, msg_buf, msg_len); BUG_ON(!ac->ops); - if (!ac->ops->is_authenticated(ac)) + if (ac->ops->should_authenticate(ac)) return ceph_build_auth_request(ac, msg_buf, msg_len); return 0; } diff --git a/fs/ceph/auth.h b/fs/ceph/auth.h index 4429a707c021..d38a2fb4a137 100644 --- a/fs/ceph/auth.h +++ b/fs/ceph/auth.h @@ -24,6 +24,12 @@ struct ceph_auth_client_ops { int (*is_authenticated)(struct ceph_auth_client *ac); /* + * true if we should (re)authenticate, e.g., when our tickets + * are getting old and crusty. + */ + int (*should_authenticate)(struct ceph_auth_client *ac); + + /* * build requests and process replies during monitor * handshake. if handle_reply returns -EAGAIN, we build * another request. diff --git a/fs/ceph/auth_none.c b/fs/ceph/auth_none.c index 24407c119291..ad1dc21286c7 100644 --- a/fs/ceph/auth_none.c +++ b/fs/ceph/auth_none.c @@ -31,6 +31,13 @@ static int is_authenticated(struct ceph_auth_client *ac) return !xi->starting; } +static int should_authenticate(struct ceph_auth_client *ac) +{ + struct ceph_auth_none_info *xi = ac->private; + + return xi->starting; +} + /* * the generic auth code decode the global_id, and we carry no actual * authenticate state, so nothing happens here. @@ -98,6 +105,7 @@ static const struct ceph_auth_client_ops ceph_auth_none_ops = { .reset = reset, .destroy = destroy, .is_authenticated = is_authenticated, + .should_authenticate = should_authenticate, .handle_reply = handle_reply, .create_authorizer = ceph_auth_none_create_authorizer, .destroy_authorizer = ceph_auth_none_destroy_authorizer, diff --git a/fs/ceph/auth_x.c b/fs/ceph/auth_x.c index 7b206231566d..83d4d2785ffe 100644 --- a/fs/ceph/auth_x.c +++ b/fs/ceph/auth_x.c @@ -27,6 +27,17 @@ static int ceph_x_is_authenticated(struct ceph_auth_client *ac) return (ac->want_keys & xi->have_keys) == ac->want_keys; } +static int ceph_x_should_authenticate(struct ceph_auth_client *ac) +{ + struct ceph_x_info *xi = ac->private; + int need; + + ceph_x_validate_tickets(ac, &need); + dout("ceph_x_should_authenticate want=%d need=%d have=%d\n", + ac->want_keys, need, xi->have_keys); + return need != 0; +} + static int ceph_x_encrypt_buflen(int ilen) { return sizeof(struct ceph_x_encrypt_header) + ilen + 16 + @@ -620,6 +631,7 @@ static void ceph_x_invalidate_authorizer(struct ceph_auth_client *ac, static const struct ceph_auth_client_ops ceph_x_ops = { .name = "x", .is_authenticated = ceph_x_is_authenticated, + .should_authenticate = ceph_x_should_authenticate, .build_request = ceph_x_build_request, .handle_reply = ceph_x_handle_reply, .create_authorizer = ceph_x_create_authorizer, diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 0dd0b81e64f7..ae3e3a306445 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -1776,9 +1776,9 @@ out: spin_unlock(&ci->i_unsafe_lock); } -int ceph_fsync(struct file *file, struct dentry *dentry, int datasync) +int ceph_fsync(struct file *file, int datasync) { - struct inode *inode = dentry->d_inode; + struct inode *inode = file->f_mapping->host; struct ceph_inode_info *ci = ceph_inode(inode); unsigned flush_tid; int ret; diff --git a/fs/ceph/ceph_fs.h b/fs/ceph/ceph_fs.h index 3b9eeed097b3..2fa992eaf7da 100644 --- a/fs/ceph/ceph_fs.h +++ b/fs/ceph/ceph_fs.h @@ -265,16 +265,17 @@ extern const char *ceph_mds_state_name(int s); * - they also define the lock ordering by the MDS * - a few of these are internal to the mds */ -#define CEPH_LOCK_DN 1 -#define CEPH_LOCK_ISNAP 2 -#define CEPH_LOCK_IVERSION 4 /* mds internal */ -#define CEPH_LOCK_IFILE 8 /* mds internal */ -#define CEPH_LOCK_IAUTH 32 -#define CEPH_LOCK_ILINK 64 -#define CEPH_LOCK_IDFT 128 /* dir frag tree */ -#define CEPH_LOCK_INEST 256 /* mds internal */ -#define CEPH_LOCK_IXATTR 512 -#define CEPH_LOCK_INO 2048 /* immutable inode bits; not a lock */ +#define CEPH_LOCK_DVERSION 1 +#define CEPH_LOCK_DN 2 +#define CEPH_LOCK_ISNAP 16 +#define CEPH_LOCK_IVERSION 32 /* mds internal */ +#define CEPH_LOCK_IFILE 64 +#define CEPH_LOCK_IAUTH 128 +#define CEPH_LOCK_ILINK 256 +#define CEPH_LOCK_IDFT 512 /* dir frag tree */ +#define CEPH_LOCK_INEST 1024 /* mds internal */ +#define CEPH_LOCK_IXATTR 2048 +#define CEPH_LOCK_INO 8192 /* immutable inode bits; not a lock */ /* client_session ops */ enum { diff --git a/fs/ceph/debugfs.c b/fs/ceph/debugfs.c index 3be33fb066cc..c5d6a01d1214 100644 --- a/fs/ceph/debugfs.c +++ b/fs/ceph/debugfs.c @@ -440,9 +440,14 @@ int ceph_debugfs_client_init(struct ceph_client *client) if (!client->debugfs_congestion_kb) goto out; - sprintf(name, "../../bdi/%s", dev_name(client->sb->s_bdi->dev)); - client->debugfs_bdi = debugfs_create_symlink("bdi", client->debugfs_dir, - name); + if (client->backing_dev_info.dev) { + sprintf(name, "../../bdi/%s", + dev_name(client->backing_dev_info.dev)); + client->debugfs_bdi = + debugfs_create_symlink("bdi", + client->debugfs_dir, + name); + } return 0; diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index 4fd30900eff7..f85719310db2 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -587,7 +587,7 @@ static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry, CEPH_MDS_OP_LOOKUPSNAP : CEPH_MDS_OP_LOOKUP; req = ceph_mdsc_create_request(mdsc, op, USE_ANY_MDS); if (IS_ERR(req)) - return ERR_PTR(PTR_ERR(req)); + return ERR_CAST(req); req->r_dentry = dget(dentry); req->r_num_caps = 2; /* we only need inode linkage */ @@ -1107,10 +1107,9 @@ static ssize_t ceph_read_dir(struct file *file, char __user *buf, size_t size, * an fsync() on a dir will wait for any uncommitted directory * operations to commit. */ -static int ceph_dir_fsync(struct file *file, struct dentry *dentry, - int datasync) +static int ceph_dir_fsync(struct file *file, int datasync) { - struct inode *inode = dentry->d_inode; + struct inode *inode = file->f_path.dentry->d_inode; struct ceph_inode_info *ci = ceph_inode(inode); struct list_head *head = &ci->i_unsafe_dirops; struct ceph_mds_request *req; diff --git a/fs/ceph/export.c b/fs/ceph/export.c index 17447644d675..4480cb1c63e7 100644 --- a/fs/ceph/export.c +++ b/fs/ceph/export.c @@ -133,7 +133,7 @@ static struct dentry *__cfh_to_dentry(struct super_block *sb, req = ceph_mdsc_create_request(mdsc, CEPH_MDS_OP_LOOKUPHASH, USE_ANY_MDS); if (IS_ERR(req)) - return ERR_PTR(PTR_ERR(req)); + return ERR_CAST(req); req->r_ino1 = vino; req->r_ino2.ino = cfh->parent_ino; diff --git a/fs/ceph/file.c b/fs/ceph/file.c index 6512b6701b9e..4c21b51c833a 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -230,7 +230,7 @@ struct dentry *ceph_lookup_open(struct inode *dir, struct dentry *dentry, /* do the open */ req = prepare_open_request(dir->i_sb, flags, mode); if (IS_ERR(req)) - return ERR_PTR(PTR_ERR(req)); + return ERR_CAST(req); req->r_dentry = dget(dentry); req->r_num_caps = 2; if (flags & O_CREAT) { @@ -363,6 +363,52 @@ static int copy_user_to_page_vector(struct page **pages, return len; } +int ceph_copy_to_page_vector(struct page **pages, + const char *data, + loff_t off, size_t len) +{ + int i = 0; + size_t po = off & ~PAGE_CACHE_MASK; + size_t left = len; + size_t l; + + while (left > 0) { + l = min_t(size_t, PAGE_CACHE_SIZE-po, left); + memcpy(page_address(pages[i]) + po, data, l); + data += l; + left -= l; + po += l; + if (po == PAGE_CACHE_SIZE) { + po = 0; + i++; + } + } + return len; +} + +int ceph_copy_from_page_vector(struct page **pages, + char *data, + loff_t off, size_t len) +{ + int i = 0; + size_t po = off & ~PAGE_CACHE_MASK; + size_t left = len; + size_t l; + + while (left > 0) { + l = min_t(size_t, PAGE_CACHE_SIZE-po, left); + memcpy(data, page_address(pages[i]) + po, l); + data += l; + left -= l; + po += l; + if (po == PAGE_CACHE_SIZE) { + po = 0; + i++; + } + } + return len; +} + /* * copy user data from a page vector into a user pointer */ diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index a81b8b662c7b..226f5a50d362 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -69,7 +69,7 @@ struct inode *ceph_get_snapdir(struct inode *parent) BUG_ON(!S_ISDIR(parent->i_mode)); if (IS_ERR(inode)) - return ERR_PTR(PTR_ERR(inode)); + return inode; inode->i_mode = parent->i_mode; inode->i_uid = parent->i_uid; inode->i_gid = parent->i_gid; diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index 885aa5710cfd..b49f12822cbc 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -1768,12 +1768,12 @@ int ceph_mdsc_do_request(struct ceph_mds_client *mdsc, mutex_unlock(&mdsc->mutex); dout("do_request waiting\n"); if (req->r_timeout) { - err = (long)wait_for_completion_interruptible_timeout( + err = (long)wait_for_completion_killable_timeout( &req->r_completion, req->r_timeout); if (err == 0) err = -EIO; } else { - err = wait_for_completion_interruptible(&req->r_completion); + err = wait_for_completion_killable(&req->r_completion); } dout("do_request waited, got %d\n", err); mutex_lock(&mdsc->mutex); @@ -2014,16 +2014,21 @@ static void handle_forward(struct ceph_mds_client *mdsc, mutex_lock(&mdsc->mutex); req = __lookup_request(mdsc, tid); if (!req) { - dout("forward %llu to mds%d - req dne\n", tid, next_mds); + dout("forward tid %llu to mds%d - req dne\n", tid, next_mds); goto out; /* dup reply? */ } - if (fwd_seq <= req->r_num_fwd) { - dout("forward %llu to mds%d - old seq %d <= %d\n", + if (req->r_aborted) { + dout("forward tid %llu aborted, unregistering\n", tid); + __unregister_request(mdsc, req); + } else if (fwd_seq <= req->r_num_fwd) { + dout("forward tid %llu to mds%d - old seq %d <= %d\n", tid, next_mds, req->r_num_fwd, fwd_seq); } else { /* resend. forward race not possible; mds would drop */ - dout("forward %llu to mds%d (we resend)\n", tid, next_mds); + dout("forward tid %llu to mds%d (we resend)\n", tid, next_mds); + BUG_ON(req->r_err); + BUG_ON(req->r_got_result); req->r_num_fwd = fwd_seq; req->r_resend_mds = next_mds; put_request_session(req); @@ -2541,7 +2546,7 @@ void ceph_mdsc_lease_send_msg(struct ceph_mds_session *session, return; lease = msg->front.iov_base; lease->action = action; - lease->mask = cpu_to_le16(CEPH_LOCK_DN); + lease->mask = cpu_to_le16(1); lease->ino = cpu_to_le64(ceph_vino(inode).ino); lease->first = lease->last = cpu_to_le64(ceph_vino(inode).snap); lease->seq = cpu_to_le32(seq); @@ -2571,7 +2576,7 @@ void ceph_mdsc_lease_release(struct ceph_mds_client *mdsc, struct inode *inode, BUG_ON(inode == NULL); BUG_ON(dentry == NULL); - BUG_ON(mask != CEPH_LOCK_DN); + BUG_ON(mask == 0); /* is dentry lease valid? */ spin_lock(&dentry->d_lock); diff --git a/fs/ceph/messenger.c b/fs/ceph/messenger.c index 60b74839ebec..8785ca41becd 100644 --- a/fs/ceph/messenger.c +++ b/fs/ceph/messenger.c @@ -9,6 +9,8 @@ #include <linux/slab.h> #include <linux/socket.h> #include <linux/string.h> +#include <linux/bio.h> +#include <linux/blkdev.h> #include <net/tcp.h> #include "super.h" @@ -120,6 +122,12 @@ void ceph_msgr_exit(void) destroy_workqueue(ceph_msgr_wq); } +void ceph_msgr_flush() +{ + flush_workqueue(ceph_msgr_wq); +} + + /* * socket callback functions */ @@ -533,8 +541,11 @@ static void prepare_write_message(struct ceph_connection *con) if (le32_to_cpu(m->hdr.data_len) > 0) { /* initialize page iterator */ con->out_msg_pos.page = 0; - con->out_msg_pos.page_pos = - le16_to_cpu(m->hdr.data_off) & ~PAGE_MASK; + if (m->pages) + con->out_msg_pos.page_pos = + le16_to_cpu(m->hdr.data_off) & ~PAGE_MASK; + else + con->out_msg_pos.page_pos = 0; con->out_msg_pos.data_pos = 0; con->out_msg_pos.did_page_crc = 0; con->out_more = 1; /* data + footer will follow */ @@ -716,6 +727,31 @@ out: return ret; /* done! */ } +#ifdef CONFIG_BLOCK +static void init_bio_iter(struct bio *bio, struct bio **iter, int *seg) +{ + if (!bio) { + *iter = NULL; + *seg = 0; + return; + } + *iter = bio; + *seg = bio->bi_idx; +} + +static void iter_bio_next(struct bio **bio_iter, int *seg) +{ + if (*bio_iter == NULL) + return; + + BUG_ON(*seg >= (*bio_iter)->bi_vcnt); + + (*seg)++; + if (*seg == (*bio_iter)->bi_vcnt) + init_bio_iter((*bio_iter)->bi_next, bio_iter, seg); +} +#endif + /* * Write as much message data payload as we can. If we finish, queue * up the footer. @@ -735,9 +771,16 @@ static int write_partial_msg_pages(struct ceph_connection *con) con, con->out_msg, con->out_msg_pos.page, con->out_msg->nr_pages, con->out_msg_pos.page_pos); - while (con->out_msg_pos.page < con->out_msg->nr_pages) { +#ifdef CONFIG_BLOCK + if (msg->bio && !msg->bio_iter) + init_bio_iter(msg->bio, &msg->bio_iter, &msg->bio_seg); +#endif + + while (data_len - con->out_msg_pos.data_pos > 0) { struct page *page = NULL; void *kaddr = NULL; + int max_write = PAGE_SIZE; + int page_shift = 0; /* * if we are calculating the data crc (the default), we need @@ -753,13 +796,24 @@ static int write_partial_msg_pages(struct ceph_connection *con) struct page, lru); if (crc) kaddr = kmap(page); +#ifdef CONFIG_BLOCK + } else if (msg->bio) { + struct bio_vec *bv; + + bv = bio_iovec_idx(msg->bio_iter, msg->bio_seg); + page = bv->bv_page; + page_shift = bv->bv_offset; + if (crc) + kaddr = kmap(page) + page_shift; + max_write = bv->bv_len; +#endif } else { page = con->msgr->zero_page; if (crc) kaddr = page_address(con->msgr->zero_page); } - len = min((int)(PAGE_SIZE - con->out_msg_pos.page_pos), - (int)(data_len - con->out_msg_pos.data_pos)); + len = min_t(int, max_write - con->out_msg_pos.page_pos, + data_len - con->out_msg_pos.data_pos); if (crc && !con->out_msg_pos.did_page_crc) { void *base = kaddr + con->out_msg_pos.page_pos; u32 tmpcrc = le32_to_cpu(con->out_msg->footer.data_crc); @@ -771,11 +825,12 @@ static int write_partial_msg_pages(struct ceph_connection *con) } ret = kernel_sendpage(con->sock, page, - con->out_msg_pos.page_pos, len, + con->out_msg_pos.page_pos + page_shift, + len, MSG_DONTWAIT | MSG_NOSIGNAL | MSG_MORE); - if (crc && (msg->pages || msg->pagelist)) + if (crc && (msg->pages || msg->pagelist || msg->bio)) kunmap(page); if (ret <= 0) @@ -790,6 +845,10 @@ static int write_partial_msg_pages(struct ceph_connection *con) if (msg->pagelist) list_move_tail(&page->lru, &msg->pagelist->head); +#ifdef CONFIG_BLOCK + if (msg->bio) + iter_bio_next(&msg->bio_iter, &msg->bio_seg); +#endif } } @@ -1296,8 +1355,7 @@ static int read_partial_message_section(struct ceph_connection *con, struct kvec *section, unsigned int sec_len, u32 *crc) { - int left; - int ret; + int ret, left; BUG_ON(!section); @@ -1320,13 +1378,83 @@ static int read_partial_message_section(struct ceph_connection *con, static struct ceph_msg *ceph_alloc_msg(struct ceph_connection *con, struct ceph_msg_header *hdr, int *skip); + + +static int read_partial_message_pages(struct ceph_connection *con, + struct page **pages, + unsigned data_len, int datacrc) +{ + void *p; + int ret; + int left; + + left = min((int)(data_len - con->in_msg_pos.data_pos), + (int)(PAGE_SIZE - con->in_msg_pos.page_pos)); + /* (page) data */ + BUG_ON(pages == NULL); + p = kmap(pages[con->in_msg_pos.page]); + ret = ceph_tcp_recvmsg(con->sock, p + con->in_msg_pos.page_pos, + left); + if (ret > 0 && datacrc) + con->in_data_crc = + crc32c(con->in_data_crc, + p + con->in_msg_pos.page_pos, ret); + kunmap(pages[con->in_msg_pos.page]); + if (ret <= 0) + return ret; + con->in_msg_pos.data_pos += ret; + con->in_msg_pos.page_pos += ret; + if (con->in_msg_pos.page_pos == PAGE_SIZE) { + con->in_msg_pos.page_pos = 0; + con->in_msg_pos.page++; + } + + return ret; +} + +#ifdef CONFIG_BLOCK +static int read_partial_message_bio(struct ceph_connection *con, + struct bio **bio_iter, int *bio_seg, + unsigned data_len, int datacrc) +{ + struct bio_vec *bv = bio_iovec_idx(*bio_iter, *bio_seg); + void *p; + int ret, left; + + if (IS_ERR(bv)) + return PTR_ERR(bv); + + left = min((int)(data_len - con->in_msg_pos.data_pos), + (int)(bv->bv_len - con->in_msg_pos.page_pos)); + + p = kmap(bv->bv_page) + bv->bv_offset; + + ret = ceph_tcp_recvmsg(con->sock, p + con->in_msg_pos.page_pos, + left); + if (ret > 0 && datacrc) + con->in_data_crc = + crc32c(con->in_data_crc, + p + con->in_msg_pos.page_pos, ret); + kunmap(bv->bv_page); + if (ret <= 0) + return ret; + con->in_msg_pos.data_pos += ret; + con->in_msg_pos.page_pos += ret; + if (con->in_msg_pos.page_pos == bv->bv_len) { + con->in_msg_pos.page_pos = 0; + iter_bio_next(bio_iter, bio_seg); + } + + return ret; +} +#endif + /* * read (part of) a message. */ static int read_partial_message(struct ceph_connection *con) { struct ceph_msg *m = con->in_msg; - void *p; int ret; int to, left; unsigned front_len, middle_len, data_len, data_off; @@ -1411,7 +1539,10 @@ static int read_partial_message(struct ceph_connection *con) m->middle->vec.iov_len = 0; con->in_msg_pos.page = 0; - con->in_msg_pos.page_pos = data_off & ~PAGE_MASK; + if (m->pages) + con->in_msg_pos.page_pos = data_off & ~PAGE_MASK; + else + con->in_msg_pos.page_pos = 0; con->in_msg_pos.data_pos = 0; } @@ -1428,27 +1559,29 @@ static int read_partial_message(struct ceph_connection *con) if (ret <= 0) return ret; } +#ifdef CONFIG_BLOCK + if (m->bio && !m->bio_iter) + init_bio_iter(m->bio, &m->bio_iter, &m->bio_seg); +#endif /* (page) data */ while (con->in_msg_pos.data_pos < data_len) { - left = min((int)(data_len - con->in_msg_pos.data_pos), - (int)(PAGE_SIZE - con->in_msg_pos.page_pos)); - BUG_ON(m->pages == NULL); - p = kmap(m->pages[con->in_msg_pos.page]); - ret = ceph_tcp_recvmsg(con->sock, p + con->in_msg_pos.page_pos, - left); - if (ret > 0 && datacrc) - con->in_data_crc = - crc32c(con->in_data_crc, - p + con->in_msg_pos.page_pos, ret); - kunmap(m->pages[con->in_msg_pos.page]); - if (ret <= 0) - return ret; - con->in_msg_pos.data_pos += ret; - con->in_msg_pos.page_pos += ret; - if (con->in_msg_pos.page_pos == PAGE_SIZE) { - con->in_msg_pos.page_pos = 0; - con->in_msg_pos.page++; + if (m->pages) { + ret = read_partial_message_pages(con, m->pages, + data_len, datacrc); + if (ret <= 0) + return ret; +#ifdef CONFIG_BLOCK + } else if (m->bio) { + + ret = read_partial_message_bio(con, + &m->bio_iter, &m->bio_seg, + data_len, datacrc); + if (ret <= 0) + return ret; +#endif + } else { + BUG_ON(1); } } @@ -2124,6 +2257,9 @@ struct ceph_msg *ceph_msg_new(int type, int front_len, gfp_t flags) m->nr_pages = 0; m->pages = NULL; m->pagelist = NULL; + m->bio = NULL; + m->bio_iter = NULL; + m->bio_seg = 0; dout("ceph_msg_new %p front %d\n", m, front_len); return m; diff --git a/fs/ceph/messenger.h b/fs/ceph/messenger.h index 00a9430b1ffc..aea42b9fbee3 100644 --- a/fs/ceph/messenger.h +++ b/fs/ceph/messenger.h @@ -82,6 +82,9 @@ struct ceph_msg { struct ceph_pagelist *pagelist; /* instead of pages */ struct list_head list_head; struct kref kref; + struct bio *bio; /* instead of pages/pagelist */ + struct bio *bio_iter; /* bio iterator */ + int bio_seg; /* current bio segment */ bool front_is_vmalloc; bool more_to_follow; bool needs_out_seq; @@ -213,6 +216,7 @@ extern int ceph_parse_ips(const char *c, const char *end, extern int ceph_msgr_init(void); extern void ceph_msgr_exit(void); +extern void ceph_msgr_flush(void); extern struct ceph_messenger *ceph_messenger_create( struct ceph_entity_addr *myaddr); diff --git a/fs/ceph/mon_client.c b/fs/ceph/mon_client.c index f6510a476e7e..b319b91fb60a 100644 --- a/fs/ceph/mon_client.c +++ b/fs/ceph/mon_client.c @@ -349,7 +349,7 @@ out: } /* - * statfs + * generic requests (e.g., statfs, poolop) */ static struct ceph_mon_generic_request *__lookup_generic_req( struct ceph_mon_client *monc, u64 tid) @@ -440,6 +440,35 @@ static struct ceph_msg *get_generic_reply(struct ceph_connection *con, return m; } +static int do_generic_request(struct ceph_mon_client *monc, + struct ceph_mon_generic_request *req) +{ + int err; + + /* register request */ + mutex_lock(&monc->mutex); + req->tid = ++monc->last_tid; + req->request->hdr.tid = cpu_to_le64(req->tid); + __insert_generic_request(monc, req); + monc->num_generic_requests++; + ceph_con_send(monc->con, ceph_msg_get(req->request)); + mutex_unlock(&monc->mutex); + + err = wait_for_completion_interruptible(&req->completion); + + mutex_lock(&monc->mutex); + rb_erase(&req->node, &monc->generic_request_tree); + monc->num_generic_requests--; + mutex_unlock(&monc->mutex); + + if (!err) + err = req->result; + return err; +} + +/* + * statfs + */ static void handle_statfs_reply(struct ceph_mon_client *monc, struct ceph_msg *msg) { @@ -466,7 +495,7 @@ static void handle_statfs_reply(struct ceph_mon_client *monc, return; bad: - pr_err("corrupt generic reply, no tid\n"); + pr_err("corrupt generic reply, tid %llu\n", tid); ceph_msg_dump(msg); } @@ -485,6 +514,7 @@ int ceph_monc_do_statfs(struct ceph_mon_client *monc, struct ceph_statfs *buf) kref_init(&req->kref); req->buf = buf; + req->buf_len = sizeof(*buf); init_completion(&req->completion); err = -ENOMEM; @@ -502,33 +532,134 @@ int ceph_monc_do_statfs(struct ceph_mon_client *monc, struct ceph_statfs *buf) h->monhdr.session_mon_tid = 0; h->fsid = monc->monmap->fsid; - /* register request */ - mutex_lock(&monc->mutex); - req->tid = ++monc->last_tid; - req->request->hdr.tid = cpu_to_le64(req->tid); - __insert_generic_request(monc, req); - monc->num_generic_requests++; - mutex_unlock(&monc->mutex); + err = do_generic_request(monc, req); - /* send request and wait */ - ceph_con_send(monc->con, ceph_msg_get(req->request)); - err = wait_for_completion_interruptible(&req->completion); +out: + kref_put(&req->kref, release_generic_request); + return err; +} + +/* + * pool ops + */ +static int get_poolop_reply_buf(const char *src, size_t src_len, + char *dst, size_t dst_len) +{ + u32 buf_len; + + if (src_len != sizeof(u32) + dst_len) + return -EINVAL; + + buf_len = le32_to_cpu(*(u32 *)src); + if (buf_len != dst_len) + return -EINVAL; + + memcpy(dst, src + sizeof(u32), dst_len); + return 0; +} + +static void handle_poolop_reply(struct ceph_mon_client *monc, + struct ceph_msg *msg) +{ + struct ceph_mon_generic_request *req; + struct ceph_mon_poolop_reply *reply = msg->front.iov_base; + u64 tid = le64_to_cpu(msg->hdr.tid); + + if (msg->front.iov_len < sizeof(*reply)) + goto bad; + dout("handle_poolop_reply %p tid %llu\n", msg, tid); mutex_lock(&monc->mutex); - rb_erase(&req->node, &monc->generic_request_tree); - monc->num_generic_requests--; + req = __lookup_generic_req(monc, tid); + if (req) { + if (req->buf_len && + get_poolop_reply_buf(msg->front.iov_base + sizeof(*reply), + msg->front.iov_len - sizeof(*reply), + req->buf, req->buf_len) < 0) { + mutex_unlock(&monc->mutex); + goto bad; + } + req->result = le32_to_cpu(reply->reply_code); + get_generic_request(req); + } mutex_unlock(&monc->mutex); + if (req) { + complete(&req->completion); + put_generic_request(req); + } + return; - if (!err) - err = req->result; +bad: + pr_err("corrupt generic reply, tid %llu\n", tid); + ceph_msg_dump(msg); +} + +/* + * Do a synchronous pool op. + */ +int ceph_monc_do_poolop(struct ceph_mon_client *monc, u32 op, + u32 pool, u64 snapid, + char *buf, int len) +{ + struct ceph_mon_generic_request *req; + struct ceph_mon_poolop *h; + int err; + + req = kzalloc(sizeof(*req), GFP_NOFS); + if (!req) + return -ENOMEM; + + kref_init(&req->kref); + req->buf = buf; + req->buf_len = len; + init_completion(&req->completion); + + err = -ENOMEM; + req->request = ceph_msg_new(CEPH_MSG_POOLOP, sizeof(*h), GFP_NOFS); + if (!req->request) + goto out; + req->reply = ceph_msg_new(CEPH_MSG_POOLOP_REPLY, 1024, GFP_NOFS); + if (!req->reply) + goto out; + + /* fill out request */ + req->request->hdr.version = cpu_to_le16(2); + h = req->request->front.iov_base; + h->monhdr.have_version = 0; + h->monhdr.session_mon = cpu_to_le16(-1); + h->monhdr.session_mon_tid = 0; + h->fsid = monc->monmap->fsid; + h->pool = cpu_to_le32(pool); + h->op = cpu_to_le32(op); + h->auid = 0; + h->snapid = cpu_to_le64(snapid); + h->name_len = 0; + + err = do_generic_request(monc, req); out: kref_put(&req->kref, release_generic_request); return err; } +int ceph_monc_create_snapid(struct ceph_mon_client *monc, + u32 pool, u64 *snapid) +{ + return ceph_monc_do_poolop(monc, POOL_OP_CREATE_UNMANAGED_SNAP, + pool, 0, (char *)snapid, sizeof(*snapid)); + +} + +int ceph_monc_delete_snapid(struct ceph_mon_client *monc, + u32 pool, u64 snapid) +{ + return ceph_monc_do_poolop(monc, POOL_OP_CREATE_UNMANAGED_SNAP, + pool, snapid, 0, 0); + +} + /* - * Resend pending statfs requests. + * Resend pending generic requests. */ static void __resend_generic_request(struct ceph_mon_client *monc) { @@ -704,8 +835,11 @@ static void handle_auth_reply(struct ceph_mon_client *monc, struct ceph_msg *msg) { int ret; + int was_auth = 0; mutex_lock(&monc->mutex); + if (monc->auth->ops) + was_auth = monc->auth->ops->is_authenticated(monc->auth); monc->pending_auth = 0; ret = ceph_handle_auth_reply(monc->auth, msg->front.iov_base, msg->front.iov_len, @@ -716,7 +850,7 @@ static void handle_auth_reply(struct ceph_mon_client *monc, wake_up(&monc->client->auth_wq); } else if (ret > 0) { __send_prepared_auth_request(monc, ret); - } else if (monc->auth->ops->is_authenticated(monc->auth)) { + } else if (!was_auth && monc->auth->ops->is_authenticated(monc->auth)) { dout("authenticated, starting session\n"); monc->client->msgr->inst.name.type = CEPH_ENTITY_TYPE_CLIENT; @@ -777,12 +911,17 @@ static void dispatch(struct ceph_connection *con, struct ceph_msg *msg) handle_statfs_reply(monc, msg); break; + case CEPH_MSG_POOLOP_REPLY: + handle_poolop_reply(monc, msg); + break; + case CEPH_MSG_MON_MAP: ceph_monc_handle_map(monc, msg); break; case CEPH_MSG_MDS_MAP: - ceph_mdsc_handle_map(&monc->client->mdsc, msg); + if (monc->client->have_mdsc) + ceph_mdsc_handle_map(&monc->client->mdsc, msg); break; case CEPH_MSG_OSD_MAP: @@ -814,6 +953,7 @@ static struct ceph_msg *mon_alloc_msg(struct ceph_connection *con, case CEPH_MSG_MON_SUBSCRIBE_ACK: m = ceph_msg_get(monc->m_subscribe_ack); break; + case CEPH_MSG_POOLOP_REPLY: case CEPH_MSG_STATFS_REPLY: return get_generic_reply(con, hdr, skip); case CEPH_MSG_AUTH_REPLY: diff --git a/fs/ceph/mon_client.h b/fs/ceph/mon_client.h index 174d794321d0..8e396f2c0963 100644 --- a/fs/ceph/mon_client.h +++ b/fs/ceph/mon_client.h @@ -50,6 +50,7 @@ struct ceph_mon_generic_request { struct rb_node node; int result; void *buf; + int buf_len; struct completion completion; struct ceph_msg *request; /* original request */ struct ceph_msg *reply; /* and reply */ @@ -111,6 +112,10 @@ extern int ceph_monc_open_session(struct ceph_mon_client *monc); extern int ceph_monc_validate_auth(struct ceph_mon_client *monc); +extern int ceph_monc_create_snapid(struct ceph_mon_client *monc, + u32 pool, u64 *snapid); +extern int ceph_monc_delete_snapid(struct ceph_mon_client *monc, + u32 pool, u64 snapid); #endif diff --git a/fs/ceph/osd_client.c b/fs/ceph/osd_client.c index afa7bb3895c4..d7515e89573f 100644 --- a/fs/ceph/osd_client.c +++ b/fs/ceph/osd_client.c @@ -6,6 +6,9 @@ #include <linux/pagemap.h> #include <linux/slab.h> #include <linux/uaccess.h> +#ifdef CONFIG_BLOCK +#include <linux/bio.h> +#endif #include "super.h" #include "osd_client.h" @@ -22,6 +25,35 @@ static int __kick_requests(struct ceph_osd_client *osdc, static void kick_requests(struct ceph_osd_client *osdc, struct ceph_osd *osd); +void ceph_calc_raw_layout(struct ceph_osd_client *osdc, + struct ceph_file_layout *layout, + u64 snapid, + u64 off, u64 len, u64 *bno, + struct ceph_osd_request *req) +{ + struct ceph_osd_request_head *reqhead = req->r_request->front.iov_base; + struct ceph_osd_op *op = (void *)(reqhead + 1); + u64 orig_len = len; + u64 objoff, objlen; /* extent in object */ + + reqhead->snapid = cpu_to_le64(snapid); + + /* object extent? */ + ceph_calc_file_object_mapping(layout, off, &len, bno, + &objoff, &objlen); + if (len < orig_len) + dout(" skipping last %llu, final file extent %llu~%llu\n", + orig_len - len, off, len); + + op->extent.offset = cpu_to_le64(objoff); + op->extent.length = cpu_to_le64(objlen); + req->r_num_pages = calc_pages_for(off, len); + + dout("calc_layout bno=%llx %llu~%llu (%d pages)\n", + *bno, objoff, objlen, req->r_num_pages); + +} + /* * Implement client access to distributed object storage cluster. * @@ -48,34 +80,17 @@ static void kick_requests(struct ceph_osd_client *osdc, struct ceph_osd *osd); * fill osd op in request message. */ static void calc_layout(struct ceph_osd_client *osdc, - struct ceph_vino vino, struct ceph_file_layout *layout, + struct ceph_vino vino, + struct ceph_file_layout *layout, u64 off, u64 *plen, struct ceph_osd_request *req) { - struct ceph_osd_request_head *reqhead = req->r_request->front.iov_base; - struct ceph_osd_op *op = (void *)(reqhead + 1); - u64 orig_len = *plen; - u64 objoff, objlen; /* extent in object */ u64 bno; - reqhead->snapid = cpu_to_le64(vino.snap); - - /* object extent? */ - ceph_calc_file_object_mapping(layout, off, plen, &bno, - &objoff, &objlen); - if (*plen < orig_len) - dout(" skipping last %llu, final file extent %llu~%llu\n", - orig_len - *plen, off, *plen); + ceph_calc_raw_layout(osdc, layout, vino.snap, off, *plen, &bno, req); sprintf(req->r_oid, "%llx.%08llx", vino.ino, bno); req->r_oid_len = strlen(req->r_oid); - - op->extent.offset = cpu_to_le64(objoff); - op->extent.length = cpu_to_le64(objlen); - req->r_num_pages = calc_pages_for(off, *plen); - - dout("calc_layout %s (%d) %llu~%llu (%d pages)\n", - req->r_oid, req->r_oid_len, objoff, objlen, req->r_num_pages); } /* @@ -101,6 +116,10 @@ void ceph_osdc_release_request(struct kref *kref) if (req->r_own_pages) ceph_release_page_vector(req->r_pages, req->r_num_pages); +#ifdef CONFIG_BLOCK + if (req->r_bio) + bio_put(req->r_bio); +#endif ceph_put_snap_context(req->r_snapc); if (req->r_mempool) mempool_free(req, req->r_osdc->req_mempool); @@ -108,43 +127,35 @@ void ceph_osdc_release_request(struct kref *kref) kfree(req); } -/* - * build new request AND message, calculate layout, and adjust file - * extent as needed. - * - * if the file was recently truncated, we include information about its - * old and new size so that the object can be updated appropriately. (we - * avoid synchronously deleting truncated objects because it's slow.) - * - * if @do_sync, include a 'startsync' command so that the osd will flush - * data quickly. - */ -struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc, - struct ceph_file_layout *layout, - struct ceph_vino vino, - u64 off, u64 *plen, - int opcode, int flags, +struct ceph_osd_request *ceph_osdc_alloc_request(struct ceph_osd_client *osdc, + int flags, struct ceph_snap_context *snapc, int do_sync, - u32 truncate_seq, - u64 truncate_size, - struct timespec *mtime, - bool use_mempool, int num_reply) + bool use_mempool, + gfp_t gfp_flags, + struct page **pages, + struct bio *bio) { struct ceph_osd_request *req; struct ceph_msg *msg; - struct ceph_osd_request_head *head; - struct ceph_osd_op *op; - void *p; int num_op = 1 + do_sync; - size_t msg_size = sizeof(*head) + num_op*sizeof(*op); - int i; + size_t msg_size = sizeof(struct ceph_osd_request_head) + + num_op*sizeof(struct ceph_osd_op); + + if (use_mempool) { + req = mempool_alloc(osdc->req_mempool, gfp_flags); + memset(req, 0, sizeof(*req)); + } else { + req = kzalloc(sizeof(*req), gfp_flags); + } + if (!req) + return NULL; if (use_mempool) { - req = mempool_alloc(osdc->req_mempool, GFP_NOFS); + req = mempool_alloc(osdc->req_mempool, gfp_flags); memset(req, 0, sizeof(*req)); } else { - req = kzalloc(sizeof(*req), GFP_NOFS); + req = kzalloc(sizeof(*req), gfp_flags); } if (req == NULL) return NULL; @@ -164,7 +175,7 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc, msg = ceph_msgpool_get(&osdc->msgpool_op_reply, 0); else msg = ceph_msg_new(CEPH_MSG_OSD_OPREPLY, - OSD_OPREPLY_FRONT_LEN, GFP_NOFS); + OSD_OPREPLY_FRONT_LEN, gfp_flags); if (!msg) { ceph_osdc_put_request(req); return NULL; @@ -178,18 +189,54 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc, if (use_mempool) msg = ceph_msgpool_get(&osdc->msgpool_op, 0); else - msg = ceph_msg_new(CEPH_MSG_OSD_OP, msg_size, GFP_NOFS); + msg = ceph_msg_new(CEPH_MSG_OSD_OP, msg_size, gfp_flags); if (!msg) { ceph_osdc_put_request(req); return NULL; } msg->hdr.type = cpu_to_le16(CEPH_MSG_OSD_OP); memset(msg->front.iov_base, 0, msg->front.iov_len); + + req->r_request = msg; + req->r_pages = pages; +#ifdef CONFIG_BLOCK + if (bio) { + req->r_bio = bio; + bio_get(req->r_bio); + } +#endif + + return req; +} + +/* + * build new request AND message + * + */ +void ceph_osdc_build_request(struct ceph_osd_request *req, + u64 off, u64 *plen, + int opcode, + struct ceph_snap_context *snapc, + int do_sync, + u32 truncate_seq, + u64 truncate_size, + struct timespec *mtime, + const char *oid, + int oid_len) +{ + struct ceph_msg *msg = req->r_request; + struct ceph_osd_request_head *head; + struct ceph_osd_op *op; + void *p; + int num_op = 1 + do_sync; + size_t msg_size = sizeof(*head) + num_op*sizeof(*op); + int i; + int flags = req->r_flags; + head = msg->front.iov_base; op = (void *)(head + 1); p = (void *)(op + num_op); - req->r_request = msg; req->r_snapc = ceph_get_snap_context(snapc); head->client_inc = cpu_to_le32(1); /* always, for now. */ @@ -199,10 +246,6 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc, head->num_ops = cpu_to_le16(num_op); op->op = cpu_to_le16(opcode); - /* calculate max write size */ - calc_layout(osdc, vino, layout, off, plen, req); - req->r_file_layout = *layout; /* keep a copy */ - if (flags & CEPH_OSD_FLAG_WRITE) { req->r_request->hdr.data_off = cpu_to_le16(off); req->r_request->hdr.data_len = cpu_to_le32(*plen); @@ -212,9 +255,9 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc, op->extent.truncate_seq = cpu_to_le32(truncate_seq); /* fill in oid */ - head->object_len = cpu_to_le32(req->r_oid_len); - memcpy(p, req->r_oid, req->r_oid_len); - p += req->r_oid_len; + head->object_len = cpu_to_le32(oid_len); + memcpy(p, oid, oid_len); + p += oid_len; if (do_sync) { op++; @@ -233,6 +276,50 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc, msg_size = p - msg->front.iov_base; msg->front.iov_len = msg_size; msg->hdr.front_len = cpu_to_le32(msg_size); + return; +} + +/* + * build new request AND message, calculate layout, and adjust file + * extent as needed. + * + * if the file was recently truncated, we include information about its + * old and new size so that the object can be updated appropriately. (we + * avoid synchronously deleting truncated objects because it's slow.) + * + * if @do_sync, include a 'startsync' command so that the osd will flush + * data quickly. + */ +struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc, + struct ceph_file_layout *layout, + struct ceph_vino vino, + u64 off, u64 *plen, + int opcode, int flags, + struct ceph_snap_context *snapc, + int do_sync, + u32 truncate_seq, + u64 truncate_size, + struct timespec *mtime, + bool use_mempool, int num_reply) +{ + struct ceph_osd_request *req = + ceph_osdc_alloc_request(osdc, flags, + snapc, do_sync, + use_mempool, + GFP_NOFS, NULL, NULL); + if (IS_ERR(req)) + return req; + + /* calculate max write size */ + calc_layout(osdc, vino, layout, off, plen, req); + req->r_file_layout = *layout; /* keep a copy */ + + ceph_osdc_build_request(req, off, plen, opcode, + snapc, do_sync, + truncate_seq, truncate_size, + mtime, + req->r_oid, req->r_oid_len); + return req; } @@ -361,8 +448,13 @@ static void put_osd(struct ceph_osd *osd) { dout("put_osd %p %d -> %d\n", osd, atomic_read(&osd->o_ref), atomic_read(&osd->o_ref) - 1); - if (atomic_dec_and_test(&osd->o_ref)) + if (atomic_dec_and_test(&osd->o_ref)) { + struct ceph_auth_client *ac = osd->o_osdc->client->monc.auth; + + if (osd->o_authorizer) + ac->ops->destroy_authorizer(ac, osd->o_authorizer); kfree(osd); + } } /* @@ -1099,6 +1191,9 @@ int ceph_osdc_start_request(struct ceph_osd_client *osdc, req->r_request->pages = req->r_pages; req->r_request->nr_pages = req->r_num_pages; +#ifdef CONFIG_BLOCK + req->r_request->bio = req->r_bio; +#endif register_request(osdc, req); @@ -1417,6 +1512,9 @@ static struct ceph_msg *get_reply(struct ceph_connection *con, } m->pages = req->r_pages; m->nr_pages = req->r_num_pages; +#ifdef CONFIG_BLOCK + m->bio = req->r_bio; +#endif } *skip = 0; req->r_con_filling_msg = ceph_con_get(con); diff --git a/fs/ceph/osd_client.h b/fs/ceph/osd_client.h index ce776989ef6a..2daa3fcae63e 100644 --- a/fs/ceph/osd_client.h +++ b/fs/ceph/osd_client.h @@ -68,6 +68,7 @@ struct ceph_osd_request { struct list_head r_unsafe_item; struct inode *r_inode; /* for use by callbacks */ + void *r_priv; /* ditto */ char r_oid[40]; /* object name */ int r_oid_len; @@ -80,6 +81,9 @@ struct ceph_osd_request { struct page **r_pages; /* pages for data payload */ int r_pages_from_pool; int r_own_pages; /* if true, i own page list */ +#ifdef CONFIG_BLOCK + struct bio *r_bio; /* instead of pages */ +#endif }; struct ceph_osd_client { @@ -119,6 +123,32 @@ extern void ceph_osdc_handle_reply(struct ceph_osd_client *osdc, extern void ceph_osdc_handle_map(struct ceph_osd_client *osdc, struct ceph_msg *msg); +extern void ceph_calc_raw_layout(struct ceph_osd_client *osdc, + struct ceph_file_layout *layout, + u64 snapid, + u64 off, u64 len, u64 *bno, + struct ceph_osd_request *req); + +extern struct ceph_osd_request *ceph_osdc_alloc_request(struct ceph_osd_client *osdc, + int flags, + struct ceph_snap_context *snapc, + int do_sync, + bool use_mempool, + gfp_t gfp_flags, + struct page **pages, + struct bio *bio); + +extern void ceph_osdc_build_request(struct ceph_osd_request *req, + u64 off, u64 *plen, + int opcode, + struct ceph_snap_context *snapc, + int do_sync, + u32 truncate_seq, + u64 truncate_size, + struct timespec *mtime, + const char *oid, + int oid_len); + extern struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *, struct ceph_file_layout *layout, struct ceph_vino vino, diff --git a/fs/ceph/osdmap.c b/fs/ceph/osdmap.c index cfdd8f4388b7..11aac1c60943 100644 --- a/fs/ceph/osdmap.c +++ b/fs/ceph/osdmap.c @@ -417,6 +417,19 @@ static struct ceph_pg_pool_info *__lookup_pg_pool(struct rb_root *root, int id) return NULL; } +int ceph_pg_poolid_by_name(struct ceph_osdmap *map, const char *name) +{ + struct rb_node *rbp; + + for (rbp = rb_first(&map->pg_pools); rbp; rbp = rb_next(rbp)) { + struct ceph_pg_pool_info *pi = + rb_entry(rbp, struct ceph_pg_pool_info, node); + if (pi->name && strcmp(pi->name, name) == 0) + return pi->id; + } + return -ENOENT; +} + static void __remove_pg_pool(struct rb_root *root, struct ceph_pg_pool_info *pi) { rb_erase(&pi->node, root); @@ -706,7 +719,7 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, len, *p, end); newcrush = crush_decode(*p, min(*p+len, end)); if (IS_ERR(newcrush)) - return ERR_PTR(PTR_ERR(newcrush)); + return ERR_CAST(newcrush); } /* new flags? */ diff --git a/fs/ceph/osdmap.h b/fs/ceph/osdmap.h index 970b547e510d..a592b211be39 100644 --- a/fs/ceph/osdmap.h +++ b/fs/ceph/osdmap.h @@ -125,4 +125,6 @@ extern int ceph_calc_pg_acting(struct ceph_osdmap *osdmap, struct ceph_pg pgid, extern int ceph_calc_pg_primary(struct ceph_osdmap *osdmap, struct ceph_pg pgid); +extern int ceph_pg_poolid_by_name(struct ceph_osdmap *map, const char *name); + #endif diff --git a/fs/ceph/rbd.c b/fs/ceph/rbd.c new file mode 100644 index 000000000000..a745f3f3481c --- /dev/null +++ b/fs/ceph/rbd.c @@ -0,0 +1,1803 @@ +/* + rbd.c -- Export ceph rados objects as a Linux block device + + + based on drivers/block/osdblk.c: + + Copyright 2009 Red Hat, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not, write to + the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. + + + + Instructions for use + -------------------- + + 1) Map a Linux block device to an existing rbd image. + + Usage: <mon ip addr> <options> <pool name> <rbd image name> + + $ echo "192.168.0.1 name=admin rbd foo" > /sys/class/rbd/add + + + 2) List all active blkdev<->object mappings. + + In this example, we have performed step #1 twice, creating two blkdevs, + mapped to two separate rados objects in the rados rbd pool + + $ cat /sys/class/rbd/list + 0 254 rbd foo + 1 253 rbd bar + + The columns, in order, are: + - blkdev unique id + - blkdev assigned major + - rados pool name + - rados block device name + + + 3) Remove an active blkdev<->rbd image mapping. + + In this example, we remove the mapping with blkdev unique id 1. + + $ echo 1 > /sys/class/rbd/remove + + + NOTE: The actual creation and deletion of rados objects is outside the scope + of this driver. + + */ + +#include "super.h" +#include "osd_client.h" +#include "rbd_types.h" +#include "mon_client.h" + +#include <linux/kernel.h> +#include <linux/device.h> +#include <linux/module.h> +#include <linux/fs.h> +#include <linux/blkdev.h> + +#define DRV_NAME "rbd" +#define DRV_NAME_LONG "rbd (rados block device)" + +enum { + RBD_MINORS_PER_MAJOR = 256, /* max minors per blkdev */ +}; + +#define RBD_MAX_POOL_NAME_SIZE 64 + +#define RBD_STRIPE_UNIT (1 << 22) + +#define RBD_MAX_OPT_LEN 1024 +#define RBD_MAX_SNAP_NAME_LEN 32 + +#define RBD_SNAP_OP_CREATE 0x1 +#define RBD_SNAP_OP_SET 0x2 + +#define RBD_SNAP_HEAD_NAME "head" + +struct rbd_obj_header { + u64 image_size; + __u8 obj_order; + __u8 crypt_type; + __u8 comp_type; + struct rw_semaphore snap_rwsem; + struct ceph_snap_context *snapc; + size_t snap_names_len; + u32 snap_seq; + u32 total_snaps; + + char *snap_names; + u64 *snap_sizes; +}; + +struct rbd_request { + struct request *rq; /* blk layer request */ + struct bio *bio; /* cloned bio */ + struct page **pages; /* list of used pages */ + u64 len; +}; + +struct rbd_client_node { + struct ceph_client *client; + const char *opt; + struct kref kref; + struct list_head node; +}; + +#define DEV_NAME_LEN 32 + +struct rbd_device { + int id; /* blkdev unique id */ + + int major; /* blkdev assigned major */ + struct gendisk *disk; /* blkdev's gendisk and rq */ + struct request_queue *q; + + struct ceph_client *client; /* associated OSD */ + + char name[DEV_NAME_LEN]; /* blkdev name, e.g. rbd3 */ + + spinlock_t lock; /* queue lock */ + + struct rbd_obj_header header; + char obj[RBD_MAX_OBJ_NAME_SIZE]; /* rbd image name */ + int obj_len; + char pool_name[RBD_MAX_POOL_NAME_SIZE]; + int poolid; + + u32 cur_snap; /* index+1 of current snapshot within snap context + 0 - for the head */ + int read_only; + + struct list_head node; + struct rbd_client_node *client_node; +}; + +static spinlock_t node_lock; /* protects client get/put */ + +static struct class *class_rbd; /* /sys/class/rbd */ +static DEFINE_MUTEX(ctl_mutex); /* Serialize open/close/setup/teardown */ +static LIST_HEAD(rbddev_list); +static LIST_HEAD(node_list); + + +static int rbd_open(struct block_device *bdev, fmode_t mode) +{ + struct gendisk *disk = bdev->bd_disk; + struct rbd_device *rbd_dev = disk->private_data; + + if (mode & FMODE_WRITE && rbd_dev->read_only) + return -EROFS; + + return 0; +} + +static const struct block_device_operations rbd_bd_ops = { + .owner = THIS_MODULE, + .open = rbd_open, +}; + +/* + * Initialize ceph client for a specific device. + */ +static int rbd_init_client(struct rbd_device *rbd_dev, + struct ceph_mount_args *args) +{ + struct ceph_osd_client *osdc; + int ret; + dout("rbd_init_device\n"); + rbd_dev->client = ceph_create_client(args, 0); + if (IS_ERR(rbd_dev->client)) + return PTR_ERR(rbd_dev->client); + + ret = ceph_open_session(rbd_dev->client); + if (ret < 0) + goto done_err; + + osdc = &rbd_dev->client->osdc; + ret = ceph_pg_poolid_by_name(osdc->osdmap, + rbd_dev->pool_name); + if (ret < 0) + goto done_err; + + rbd_dev->poolid = ret; + return 0; + +done_err: + ceph_destroy_client(rbd_dev->client); + rbd_dev->client = NULL; + return ret; +} + +/* + * Find a ceph client with specific addr and configuration. + */ +static struct rbd_client_node *__get_client_node(struct ceph_mount_args *args) +{ + struct rbd_client_node *client_node; + + if (args->flags & CEPH_OPT_NOSHARE) + return NULL; + + list_for_each_entry(client_node, &node_list, node) + if (ceph_compare_mount_args(args, client_node->client) == 0) + return client_node; + return NULL; +} + +/* + * Get a ceph client with specific addr and configuration, if one does + * not exist create it. + */ +static int rbd_get_client(struct rbd_device *rbd_dev, const char *mon_addr, + char *opt) +{ + struct rbd_client_node *client_node; + struct ceph_mount_args *args; + int ret; + + + args = parse_mount_args(0, opt, mon_addr, NULL); + if (IS_ERR(args)) + return PTR_ERR(args); + + spin_lock(&node_lock); + + client_node = __get_client_node(args); + if (client_node) { + ceph_destroy_mount_args(args); + + kref_get(&client_node->kref); + rbd_dev->client_node = client_node; + rbd_dev->client = client_node->client; + spin_unlock(&node_lock); + return 0; + } + + spin_unlock(&node_lock); + + ret = -ENOMEM; + client_node = kmalloc(sizeof(struct rbd_client_node), GFP_KERNEL); + if (!client_node) + goto out_args; + + ret = rbd_init_client(rbd_dev, args); + if (ret < 0) + goto out_free; + + client_node->client = rbd_dev->client; + client_node->opt = kstrdup(opt, GFP_KERNEL); + kref_init(&client_node->kref); + INIT_LIST_HEAD(&client_node->node); + + rbd_dev->client_node = client_node; + + spin_lock(&node_lock); + list_add_tail(&client_node->node, &node_list); + spin_unlock(&node_lock); + + return 0; + +out_free: + kfree(client_node); +out_args: + ceph_destroy_mount_args(args); + return ret; +} + +/* + * Destroy ceph client + */ +static void rbd_release_client(struct kref *kref) +{ + struct rbd_client_node *node = + container_of(kref, struct rbd_client_node, kref); + + dout("rbd_release_client\n"); + + spin_lock(&node_lock); + list_del(&node->node); + spin_unlock(&node_lock); + + ceph_destroy_client(node->client); + kfree(node->opt); + kfree(node); +} + +/* + * Drop reference to ceph client node. If it's not referenced anymore, release + * it. + */ +static void rbd_put_client(struct rbd_device *rbd_dev) +{ + if (!rbd_dev->client_node) + return; + + kref_put(&rbd_dev->client_node->kref, rbd_release_client); + rbd_dev->client_node = NULL; +} + +static int snap_index(struct rbd_obj_header *header, int snap_num) +{ + return header->total_snaps - snap_num; +} + +static u64 cur_snap_id(struct rbd_device *rbd_dev) +{ + struct rbd_obj_header *header = &rbd_dev->header; + + if (!rbd_dev->cur_snap) + return 0; + + return header->snapc->snaps[snap_index(header, rbd_dev->cur_snap)]; +} + + +/* + * Create a new header structure, translate header format from the on-disk + * header. + */ +static int rbd_header_from_disk(struct rbd_obj_header *header, + struct rbd_obj_header_ondisk *ondisk, + int allocated_snaps, + gfp_t gfp_flags) +{ + int i; + u32 snap_count = le32_to_cpu(ondisk->snap_count); + int ret = -ENOMEM; + + init_rwsem(&header->snap_rwsem); + + header->snap_names_len = le64_to_cpu(ondisk->snap_names_len); + header->snapc = kmalloc(sizeof(struct ceph_snap_context) + + snap_count * + sizeof(struct rbd_obj_snap_ondisk), + gfp_flags); + if (!header->snapc) + return -ENOMEM; + if (snap_count) { + header->snap_names = kmalloc(header->snap_names_len, + GFP_KERNEL); + if (!header->snap_names) + goto err_snapc; + header->snap_sizes = kmalloc(snap_count * sizeof(u64), + GFP_KERNEL); + if (!header->snap_sizes) + goto err_names; + } else { + header->snap_names = NULL; + header->snap_sizes = NULL; + } + + header->image_size = le64_to_cpu(ondisk->image_size); + header->obj_order = ondisk->obj_order; + header->crypt_type = ondisk->crypt_type; + header->comp_type = ondisk->comp_type; + + atomic_set(&header->snapc->nref, 1); + header->snap_seq = le32_to_cpu(ondisk->snap_seq); + header->snapc->num_snaps = snap_count; + header->total_snaps = snap_count; + + if (snap_count && + allocated_snaps == snap_count) { + for (i = 0; i < snap_count; i++) { + header->snapc->snaps[i] = + le64_to_cpu(ondisk->snaps[i].id); + header->snap_sizes[i] = + le64_to_cpu(ondisk->snaps[i].image_size); + } + + /* copy snapshot names */ + memcpy(header->snap_names, &ondisk->snaps[i], + header->snap_names_len); + } + + return 0; + +err_names: + kfree(header->snap_names); +err_snapc: + kfree(header->snapc); + return ret; +} + +/* + * Create a new header structure, translate header format from the on-disk + * header. + */ +static int rbd_header_to_disk(struct rbd_obj_header_ondisk **ondisk, + struct rbd_obj_header_ondisk *old_ondisk, + struct rbd_obj_header *header, + gfp_t gfp_flags) +{ + int i; + + down_read(&header->snap_rwsem); + *ondisk = kmalloc(sizeof(struct rbd_obj_header_ondisk) + + header->snap_names_len + + header->total_snaps * + sizeof(struct rbd_obj_snap_ondisk), + gfp_flags); + if (!*ondisk) + return -ENOMEM; + + memcpy(*ondisk, old_ondisk, sizeof(*old_ondisk)); + + (*ondisk)->snap_seq = cpu_to_le32(header->snap_seq); + (*ondisk)->snap_count = cpu_to_le32(header->total_snaps); + (*ondisk)->snap_names_len = cpu_to_le64(header->snap_names_len); + + if (header->total_snaps) { + for (i = 0; i < header->total_snaps; i++) { + (*ondisk)->snaps[i].id = + cpu_to_le64(header->snapc->snaps[i]); + (*ondisk)->snaps[i].image_size = + cpu_to_le64(header->snap_sizes[i]); + } + + /* copy snapshot names */ + memcpy(&(*ondisk)->snaps[i], header->snap_names, + header->snap_names_len); + } + up_read(&header->snap_rwsem); + + return 0; +} + +static int rbd_header_add_snap(struct rbd_device *dev, + const char *snap_name, + gfp_t gfp_flags) +{ + struct rbd_obj_header *header = &dev->header; + struct ceph_snap_context *new_snapc; + char *p; + int name_len = strlen(snap_name); + u64 *snaps = header->snapc->snaps; + u64 *new_sizes; + char *new_names; + u64 new_snapid; + int i; + int ret = -EINVAL; + + down_write(&header->snap_rwsem); + + /* we can create a snapshot only if we're pointing at the head */ + if (dev->cur_snap) + goto done; + + ret = -EEXIST; + p = header->snap_names; + for (i = 0; i < header->total_snaps; i++, p += strlen(p) + 1) { + if (strcmp(snap_name, p) == 0) + goto done; + } + + ret = -ENOMEM; + new_snapc = kmalloc(sizeof(struct rbd_obj_header) + + (header->total_snaps + 1) * sizeof(u64), + gfp_flags); + if (!new_snapc) + goto done; + new_names = kmalloc(header->snap_names_len + name_len + 1, gfp_flags); + if (!new_names) + goto err_snapc; + new_sizes = kmalloc((header->total_snaps + 1) * sizeof(u64), + gfp_flags); + if (!new_sizes) + goto err_names; + + atomic_set(&new_snapc->nref, 1); + new_snapc->num_snaps = header->total_snaps + 1; + if (header->total_snaps) + memcpy(&new_snapc->snaps[1], snaps, + (header->total_snaps) * sizeof(u64)); + + ret = ceph_monc_create_snapid(&dev->client->monc, dev->poolid, + &new_snapid); + dout("created snapid=%lld\n", new_snapid); + if (ret < 0) + goto err_sizes; + + new_snapc->seq = new_snapid; /* we're still pointing at the head */ + header->snap_seq = new_snapid; + new_snapc->snaps[0] = new_snapid; + + /* copy snap names */ + if (header->snap_names) + memcpy(new_names + name_len + 1, header->snap_names, + header->snap_names_len); + + memcpy(new_names, snap_name, name_len + 1); + header->snap_names_len += name_len + 1; + + /* copy snap image sizes */ + if (header->snap_sizes) + memcpy(new_sizes, header->snap_sizes, + header->total_snaps * sizeof(u64)); + new_sizes[new_snapc->num_snaps - 1] = header->image_size; + + header->total_snaps = new_snapc->num_snaps; + + kfree(header->snapc); + header->snapc = new_snapc; + kfree(header->snap_names); + header->snap_names = new_names; + kfree(header->snap_sizes); + header->snap_sizes = new_sizes; + + ret = 0; +done: + up_write(&header->snap_rwsem); + return ret; +err_sizes: + kfree(new_sizes); +err_names: + kfree(new_names); +err_snapc: + kfree(new_snapc); + up_write(&header->snap_rwsem); + return ret; +} + +static int rbd_header_set_snap(struct rbd_device *dev, + const char *snap_name, + u64 *size) +{ + struct rbd_obj_header *header = &dev->header; + struct ceph_snap_context *snapc = header->snapc; + char *p; + int i; + int ret = -ENOENT; + + down_write(&header->snap_rwsem); + + if (!snap_name || + !*snap_name || + strcmp(snap_name, "-") == 0 || + strcmp(snap_name, RBD_SNAP_HEAD_NAME) == 0) { + if (header->total_snaps) + snapc->seq = header->snap_seq; + else + snapc->seq = 0; + dev->cur_snap = 0; + dev->read_only = 0; + if (size) + *size = header->image_size; + } else { + p = header->snap_names; + for (i = 0; i < header->total_snaps; i++, p += strlen(p) + 1) { + if (strcmp(snap_name, p) == 0) + break; + } + if (i == header->total_snaps) + goto done; + + snapc->seq = snapc->snaps[i]; + dev->cur_snap = header->total_snaps - i; + dev->read_only = 1; + if (size) + *size = header->snap_sizes[i]; + } + + ret = 0; +done: + up_write(&header->snap_rwsem); + return ret; +} + +static void rbd_header_free(struct rbd_obj_header *header) +{ + kfree(header->snapc); + kfree(header->snap_names); + kfree(header->snap_sizes); +} + +/* + * get the actual striped segment name, offset and length + */ +static u64 rbd_get_segment(struct rbd_obj_header *header, + const char *obj_name, + u64 ofs, u64 len, + char *seg_name, u64 *segofs) +{ + u64 seg = ofs >> header->obj_order; + + if (seg_name) + snprintf(seg_name, RBD_MAX_SEG_NAME_SIZE, + "%s.%012llx", obj_name, seg); + + ofs = ofs & ((1 << header->obj_order) - 1); + len = min_t(u64, len, (1 << header->obj_order) - ofs); + + if (segofs) + *segofs = ofs; + + return len; +} + +static void bio_chain_put(struct bio *chain) +{ + struct bio *tmp; + + while (chain) { + tmp = chain; + chain = chain->bi_next; + + bio_put(tmp); + } +} + +/* + * zeros a bio chain, starting at specific offset + */ +static void zero_bio_chain(struct bio *chain, int start_ofs) +{ + struct bio_vec *bv; + unsigned long flags; + void *buf; + int i; + int pos = 0; + + while (chain) { + bio_for_each_segment(bv, chain, i) { + if (pos + bv->bv_len > start_ofs) { + int remainder = max(start_ofs - pos, 0); + buf = bvec_kmap_irq(bv, &flags); + memset(buf + remainder, 0, + bv->bv_len - remainder); + bvec_kunmap_irq(bv, &flags); + } + pos += bv->bv_len; + } + + chain = chain->bi_next; + } +} + +/* + * bio_chain_clone - clone a chain of bios up to a certain length. + * might return a bio_pair that will need to be released. + */ +static struct bio *bio_chain_clone(struct bio **old, struct bio **next, + struct bio_pair **bp, + int len, gfp_t gfpmask) +{ + struct bio *tmp, *old_chain = *old, *new_chain = NULL, *tail = NULL; + int total = 0; + + if (*bp) { + bio_pair_release(*bp); + *bp = NULL; + } + + while (old_chain && (total < len)) { + tmp = bio_kmalloc(gfpmask, old_chain->bi_max_vecs); + if (!tmp) + goto err_out; + + if (total + old_chain->bi_size > len) { + struct bio_pair *bp; + + /* + * this split can only happen with a single paged bio, + * split_bio will BUG_ON if this is not the case + */ + dout("bio_chain_clone split! total=%d remaining=%d" + "bi_size=%d\n", + (int)total, (int)len-total, + (int)old_chain->bi_size); + + /* split the bio. We'll release it either in the next + call, or it will have to be released outside */ + bp = bio_split(old_chain, (len - total) / 512ULL); + if (!bp) + goto err_out; + + __bio_clone(tmp, &bp->bio1); + + *next = &bp->bio2; + } else { + __bio_clone(tmp, old_chain); + *next = old_chain->bi_next; + } + + tmp->bi_bdev = NULL; + gfpmask &= ~__GFP_WAIT; + tmp->bi_next = NULL; + + if (!new_chain) { + new_chain = tail = tmp; + } else { + tail->bi_next = tmp; + tail = tmp; + } + old_chain = old_chain->bi_next; + + total += tmp->bi_size; + } + + BUG_ON(total < len); + + if (tail) + tail->bi_next = NULL; + + *old = old_chain; + + return new_chain; + +err_out: + dout("bio_chain_clone with err\n"); + bio_chain_put(new_chain); + return NULL; +} + +/* + * Send ceph osd request + */ +static int rbd_do_request(struct request *rq, + struct rbd_device *dev, + struct ceph_snap_context *snapc, + u64 snapid, + const char *obj, u64 ofs, u64 len, + struct bio *bio, + struct page **pages, + int num_pages, + int opcode, int flags, + int num_reply, + void (*rbd_cb)(struct ceph_osd_request *req, + struct ceph_msg *msg)) +{ + struct ceph_osd_request *req; + struct ceph_file_layout *layout; + int ret; + u64 bno; + struct timespec mtime = CURRENT_TIME; + struct rbd_request *req_data; + struct ceph_osd_request_head *reqhead; + struct rbd_obj_header *header = &dev->header; + + ret = -ENOMEM; + req_data = kzalloc(sizeof(*req_data), GFP_NOFS); + if (!req_data) + goto done; + + dout("rbd_do_request len=%lld ofs=%lld\n", len, ofs); + + down_read(&header->snap_rwsem); + + req = ceph_osdc_alloc_request(&dev->client->osdc, flags, + snapc, 0, + false, + GFP_NOFS, pages, bio); + if (IS_ERR(req)) { + up_read(&header->snap_rwsem); + ret = PTR_ERR(req); + goto done_pages; + } + + req->r_callback = rbd_cb; + + req_data->rq = rq; + req_data->bio = bio; + req_data->pages = pages; + req_data->len = len; + + req->r_priv = req_data; + + reqhead = req->r_request->front.iov_base; + reqhead->snapid = cpu_to_le64(CEPH_NOSNAP); + + strncpy(req->r_oid, obj, sizeof(req->r_oid)); + req->r_oid_len = strlen(req->r_oid); + + layout = &req->r_file_layout; + memset(layout, 0, sizeof(*layout)); + layout->fl_stripe_unit = RBD_STRIPE_UNIT; + layout->fl_stripe_count = 1; + layout->fl_object_size = RBD_STRIPE_UNIT; + layout->fl_pg_preferred = -1; + layout->fl_pg_pool = dev->poolid; + ceph_calc_raw_layout(&dev->client->osdc, layout, snapid, + ofs, len, &bno, req); + + ceph_osdc_build_request(req, ofs, &len, opcode, + snapc, 0, + 0, 0, + &mtime, + req->r_oid, req->r_oid_len); + up_read(&header->snap_rwsem); + + ret = ceph_osdc_start_request(&dev->client->osdc, req, false); + if (ret < 0) + goto done_err; + + if (!rbd_cb) { + ret = ceph_osdc_wait_request(&dev->client->osdc, req); + ceph_osdc_put_request(req); + } + return ret; + +done_err: + bio_chain_put(req_data->bio); + ceph_osdc_put_request(req); +done_pages: + kfree(req_data); +done: + if (rq) + blk_end_request(rq, ret, len); + return ret; +} + +/* + * Ceph osd op callback + */ +static void rbd_req_cb(struct ceph_osd_request *req, struct ceph_msg *msg) +{ + struct rbd_request *req_data = req->r_priv; + struct ceph_osd_reply_head *replyhead; + struct ceph_osd_op *op; + __s32 rc; + u64 bytes; + int read_op; + + /* parse reply */ + replyhead = msg->front.iov_base; + WARN_ON(le32_to_cpu(replyhead->num_ops) == 0); + op = (void *)(replyhead + 1); + rc = le32_to_cpu(replyhead->result); + bytes = le64_to_cpu(op->extent.length); + + dout("rbd_req_cb bytes=%lld rc=%d\n", bytes, rc); + + read_op = (le32_to_cpu(op->op) == CEPH_OSD_OP_READ); + + if (rc == -ENOENT && read_op) { + zero_bio_chain(req_data->bio, 0); + rc = 0; + } else if (rc == 0 && read_op && bytes < req_data->len) { + zero_bio_chain(req_data->bio, bytes); + bytes = req_data->len; + } + + blk_end_request(req_data->rq, rc, bytes); + + if (req_data->bio) + bio_chain_put(req_data->bio); + + ceph_osdc_put_request(req); + kfree(req_data); +} + +/* + * Do a synchronous ceph osd operation + */ +static int rbd_req_sync_op(struct rbd_device *dev, + struct ceph_snap_context *snapc, + u64 snapid, + int opcode, int flags, + int num_reply, + const char *obj, + u64 ofs, u64 len, + char *buf) +{ + int ret; + struct page **pages; + int num_pages; + + num_pages = calc_pages_for(ofs , len); + pages = ceph_alloc_page_vector(num_pages, GFP_KERNEL); + if (!pages) + return -ENOMEM; + + if (flags & CEPH_OSD_FLAG_WRITE) { + ret = ceph_copy_to_page_vector(pages, buf, ofs, len); + if (ret < 0) + goto done; + } + + ret = rbd_do_request(NULL, dev, snapc, snapid, + obj, ofs, len, NULL, + pages, num_pages, + opcode, + flags, + 2, + NULL); + if (ret < 0) + goto done; + + if (flags & CEPH_OSD_FLAG_READ) + ret = ceph_copy_from_page_vector(pages, buf, ofs, ret); + +done: + ceph_release_page_vector(pages, num_pages); + return ret; +} + +/* + * Do an asynchronous ceph osd operation + */ +static int rbd_do_op(struct request *rq, + struct rbd_device *rbd_dev , + struct ceph_snap_context *snapc, + u64 snapid, + int opcode, int flags, int num_reply, + u64 ofs, u64 len, + struct bio *bio) +{ + char *seg_name; + u64 seg_ofs; + u64 seg_len; + int ret; + + seg_name = kmalloc(RBD_MAX_SEG_NAME_SIZE + 1, GFP_NOIO); + if (!seg_name) + return -ENOMEM; + + seg_len = rbd_get_segment(&rbd_dev->header, + rbd_dev->obj, + ofs, len, + seg_name, &seg_ofs); + if (seg_len < 0) + return seg_len; + + /* we've taken care of segment sizes earlier when we + cloned the bios. We should never have a segment + truncated at this point */ + BUG_ON(seg_len < len); + + ret = rbd_do_request(rq, rbd_dev, snapc, snapid, + seg_name, seg_ofs, seg_len, + bio, + NULL, 0, + opcode, + flags, + num_reply, + rbd_req_cb); + kfree(seg_name); + return ret; +} + +/* + * Request async osd write + */ +static int rbd_req_write(struct request *rq, + struct rbd_device *rbd_dev, + struct ceph_snap_context *snapc, + u64 ofs, u64 len, + struct bio *bio) +{ + return rbd_do_op(rq, rbd_dev, snapc, CEPH_NOSNAP, + CEPH_OSD_OP_WRITE, + CEPH_OSD_FLAG_WRITE | CEPH_OSD_FLAG_ONDISK, + 2, + ofs, len, bio); +} + +/* + * Request sync osd write + */ +static int rbd_req_sync_write(struct rbd_device *dev, + struct ceph_snap_context *snapc, + u64 snapid, + const char *obj, + u64 ofs, u64 len, + char *buf) +{ + return rbd_req_sync_op(dev, snapc, snapid, + CEPH_OSD_OP_WRITE, + CEPH_OSD_FLAG_WRITE | CEPH_OSD_FLAG_ONDISK, + 2, obj, ofs, len, buf); +} + +/* + * Request async osd read + */ +static int rbd_req_read(struct request *rq, + struct rbd_device *rbd_dev, + u64 snapid, + u64 ofs, u64 len, + struct bio *bio) +{ + return rbd_do_op(rq, rbd_dev, NULL, + (snapid ? snapid : CEPH_NOSNAP), + CEPH_OSD_OP_READ, + CEPH_OSD_FLAG_READ, + 2, + ofs, len, bio); +} + +/* + * Request sync osd read + */ +static int rbd_req_sync_read(struct rbd_device *dev, + struct ceph_snap_context *snapc, + u64 snapid, + const char *obj, + u64 ofs, u64 len, + char *buf) +{ + return rbd_req_sync_op(dev, NULL, + (snapid ? snapid : CEPH_NOSNAP), + CEPH_OSD_OP_READ, + CEPH_OSD_FLAG_READ, + 1, obj, ofs, len, buf); +} + +/* + * block device queue callback + */ +static void rbd_rq_fn(struct request_queue *q) +{ + struct rbd_device *rbd_dev = q->queuedata; + struct request *rq; + struct bio_pair *bp = NULL; + + rq = blk_fetch_request(q); + + while (1) { + struct bio *bio; + struct bio *rq_bio, *next_bio = NULL; + bool do_write; + int size, op_size = 0; + u64 ofs; + + /* peek at request from block layer */ + if (!rq) + break; + + dout("fetched request\n"); + + /* filter out block requests we don't understand */ + if (!blk_fs_request(rq) && !blk_barrier_rq(rq)) { + __blk_end_request_all(rq, 0); + goto next; + } + + /* deduce our operation (read, write) */ + do_write = (rq_data_dir(rq) == WRITE); + + size = blk_rq_bytes(rq); + ofs = blk_rq_pos(rq) * 512ULL; + rq_bio = rq->bio; + if (do_write && rbd_dev->read_only) { + __blk_end_request_all(rq, -EROFS); + goto next; + } + + spin_unlock_irq(q->queue_lock); + + dout("%s 0x%x bytes at 0x%llx\n", + do_write ? "write" : "read", + size, blk_rq_pos(rq) * 512ULL); + + do { + /* a bio clone to be passed down to OSD req */ + dout("rq->bio->bi_vcnt=%d\n", rq->bio->bi_vcnt); + op_size = rbd_get_segment(&rbd_dev->header, + rbd_dev->obj, + ofs, size, + NULL, NULL); + bio = bio_chain_clone(&rq_bio, &next_bio, &bp, + op_size, GFP_ATOMIC); + if (!bio) { + spin_lock_irq(q->queue_lock); + __blk_end_request_all(rq, -ENOMEM); + goto next; + } + + /* init OSD command: write or read */ + if (do_write) + rbd_req_write(rq, rbd_dev, + rbd_dev->header.snapc, + ofs, + op_size, bio); + else + rbd_req_read(rq, rbd_dev, + cur_snap_id(rbd_dev), + ofs, + op_size, bio); + + size -= op_size; + ofs += op_size; + + rq_bio = next_bio; + } while (size > 0); + + if (bp) + bio_pair_release(bp); + + spin_lock_irq(q->queue_lock); +next: + rq = blk_fetch_request(q); + } +} + +/* + * a queue callback. Makes sure that we don't create a bio that spans across + * multiple osd objects. One exception would be with a single page bios, + * which we handle later at bio_chain_clone + */ +static int rbd_merge_bvec(struct request_queue *q, struct bvec_merge_data *bmd, + struct bio_vec *bvec) +{ + sector_t sector = bmd->bi_sector + get_start_sect(bmd->bi_bdev); + unsigned int chunk_sectors = (RBD_STRIPE_UNIT >> 9); + unsigned int bio_sectors = bmd->bi_size >> 9; + int max; + + max = (chunk_sectors - ((sector & (chunk_sectors - 1)) + + bio_sectors)) << 9; + if (max < 0) + max = 0; /* bio_add cannot handle a negative return */ + if (max <= bvec->bv_len && bio_sectors == 0) + return bvec->bv_len; + return max; +} + +static void rbd_free_disk(struct rbd_device *rbd_dev) +{ + struct gendisk *disk = rbd_dev->disk; + + if (!disk) + return; + + rbd_header_free(&rbd_dev->header); + + if (disk->flags & GENHD_FL_UP) + del_gendisk(disk); + if (disk->queue) + blk_cleanup_queue(disk->queue); + put_disk(disk); +} + +static char *rbd_alloc_md_name(struct rbd_device *rbd_dev, gfp_t gfp_flags) +{ + char *obj_md_name = kmalloc(strlen(rbd_dev->obj) + sizeof(RBD_SUFFIX), + gfp_flags); + if (!obj_md_name) + return NULL; + sprintf(obj_md_name, "%s%s", rbd_dev->obj, RBD_SUFFIX); + + return obj_md_name; +} + +static int rbd_read_header(struct rbd_device *rbd_dev, + struct rbd_obj_header *header) +{ + ssize_t rc; + char *obj_md_name; + struct rbd_obj_header_ondisk *dh; + int snap_count = 0; + u64 snap_names_len = 0; + + obj_md_name = rbd_alloc_md_name(rbd_dev, GFP_KERNEL); + if (!obj_md_name) + return -ENOMEM; + + while (1) { + int len = sizeof(*dh) + + snap_count * sizeof(struct rbd_obj_snap_ondisk) + + snap_names_len; + + rc = -ENOMEM; + dh = kmalloc(len, GFP_KERNEL); + if (!dh) + goto out_obj_md; + + rc = rbd_req_sync_read(rbd_dev, + NULL, CEPH_NOSNAP, + obj_md_name, + 0, len, + (char *)dh); + if (rc < 0) + goto out_dh; + + rc = rbd_header_from_disk(header, dh, snap_count, GFP_KERNEL); + if (rc < 0) + goto out_dh; + + if (snap_count != header->total_snaps) { + snap_count = header->total_snaps; + snap_names_len = header->snap_names_len; + rbd_header_free(header); + kfree(dh); + continue; + } + break; + } + +out_dh: + kfree(dh); +out_obj_md: + kfree(obj_md_name); + return rc; +} + +/* + * only read the first part of the ondisk header, without the snaps info + */ +static int rbd_read_ondisk_header_nosnap(struct rbd_device *rbd_dev, + struct rbd_obj_header *header, + struct rbd_obj_header_ondisk *dh) +{ + ssize_t rc; + char *obj_md_name; + int len; + + obj_md_name = rbd_alloc_md_name(rbd_dev, GFP_KERNEL); + if (!obj_md_name) + return -ENOMEM; + + len = sizeof(struct rbd_obj_header_ondisk); + + rc = rbd_req_sync_read(rbd_dev, + NULL, CEPH_NOSNAP, + obj_md_name, + 0, len, + (char *)dh); + if (rc > 0 && rc < len) + rc = -EIO; + + kfree(obj_md_name); + return rc; +} + +static int rbd_write_header(struct rbd_device *rbd_dev, + struct rbd_obj_header_ondisk *dh, + struct rbd_obj_header *header) +{ + ssize_t rc; + char *obj_md_name; + int snap_count = header->total_snaps; + u64 snap_names_len = header->snap_names_len; + int len; + + obj_md_name = rbd_alloc_md_name(rbd_dev, GFP_KERNEL); + if (!obj_md_name) + return -ENOMEM; + + len = sizeof(*dh) + + snap_count * sizeof(struct rbd_obj_snap_ondisk) + + snap_names_len; + + rc = rbd_req_sync_write(rbd_dev, + NULL, CEPH_NOSNAP, + obj_md_name, + 0, len, + (char *)dh); + kfree(obj_md_name); + return rc; +} + +static int rbd_update_snaps(struct rbd_device *rbd_dev) +{ + int ret; + struct rbd_obj_header h; + + ret = rbd_read_header(rbd_dev, &h); + if (ret < 0) + return ret; + + down_write(&rbd_dev->header.snap_rwsem); + + kfree(rbd_dev->header.snapc); + kfree(rbd_dev->header.snap_names); + kfree(rbd_dev->header.snap_sizes); + + rbd_dev->header.total_snaps = h.total_snaps; + rbd_dev->header.snapc = h.snapc; + rbd_dev->header.snap_names = h.snap_names; + rbd_dev->header.snap_sizes = h.snap_sizes; + + up_write(&rbd_dev->header.snap_rwsem); + + return 0; +} + +static int rbd_init_disk(struct rbd_device *rbd_dev) +{ + struct gendisk *disk; + struct request_queue *q; + int rc; + u64 total_size; + const char *snap = NULL; + + /* contact OSD, request size info about the object being mapped */ + rc = rbd_read_header(rbd_dev, &rbd_dev->header); + if (rc) + return rc; + + if (rbd_dev->client->mount_args) + snap = rbd_dev->client->mount_args->snap; + rc = rbd_header_set_snap(rbd_dev, snap, &total_size); + if (rc) + return rc; + + /* create gendisk info */ + rc = -ENOMEM; + disk = alloc_disk(RBD_MINORS_PER_MAJOR); + if (!disk) + goto out; + + sprintf(disk->disk_name, DRV_NAME "%d", rbd_dev->id); + disk->major = rbd_dev->major; + disk->first_minor = 0; + disk->fops = &rbd_bd_ops; + disk->private_data = rbd_dev; + + /* init rq */ + rc = -ENOMEM; + q = blk_init_queue(rbd_rq_fn, &rbd_dev->lock); + if (!q) + goto out_disk; + blk_queue_merge_bvec(q, rbd_merge_bvec); + disk->queue = q; + + q->queuedata = rbd_dev; + + rbd_dev->disk = disk; + rbd_dev->q = q; + + /* finally, announce the disk to the world */ + set_capacity(disk, total_size / 512ULL); + add_disk(disk); + + pr_info("%s: added with size 0x%llx\n", + disk->disk_name, (unsigned long long)total_size); + return 0; + +out_disk: + put_disk(disk); +out: + return rc; +} + +/******************************************************************** + * /sys/class/rbd/ + * add map rados objects to blkdev + * remove unmap rados objects + * list show mappings + *******************************************************************/ + +static void class_rbd_release(struct class *cls) +{ + kfree(cls); +} + +static ssize_t class_rbd_list(struct class *c, + struct class_attribute *attr, + char *data) +{ + int n = 0; + struct list_head *tmp; + + mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING); + + list_for_each(tmp, &rbddev_list) { + struct rbd_device *rbd_dev; + + rbd_dev = list_entry(tmp, struct rbd_device, node); + n += sprintf(data+n, "%d %d client%lld %s %s\n", + rbd_dev->id, + rbd_dev->major, + ceph_client_id(rbd_dev->client), + rbd_dev->pool_name, + rbd_dev->obj); + } + + mutex_unlock(&ctl_mutex); + return n; +} + +static ssize_t class_rbd_add(struct class *c, + struct class_attribute *attr, + const char *buf, size_t count) +{ + struct rbd_device *rbd_dev; + ssize_t rc = -ENOMEM; + int irc, new_id = 0; + struct list_head *tmp; + char *mon_dev_name; + char *opt; + + if (!try_module_get(THIS_MODULE)) + return -ENODEV; + + mon_dev_name = kmalloc(RBD_MAX_OPT_LEN, GFP_KERNEL); + if (!mon_dev_name) + goto err_out_mod; + + opt = kmalloc(RBD_MAX_OPT_LEN, GFP_KERNEL); + if (!opt) + goto err_mon_dev; + + /* new rbd_device object */ + rbd_dev = kzalloc(sizeof(*rbd_dev), GFP_KERNEL); + if (!rbd_dev) + goto err_out_opt; + + /* static rbd_device initialization */ + spin_lock_init(&rbd_dev->lock); + INIT_LIST_HEAD(&rbd_dev->node); + + /* generate unique id: find highest unique id, add one */ + mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING); + + list_for_each(tmp, &rbddev_list) { + struct rbd_device *rbd_dev; + + rbd_dev = list_entry(tmp, struct rbd_device, node); + if (rbd_dev->id >= new_id) + new_id = rbd_dev->id + 1; + } + + rbd_dev->id = new_id; + + /* add to global list */ + list_add_tail(&rbd_dev->node, &rbddev_list); + + /* parse add command */ + if (sscanf(buf, "%" __stringify(RBD_MAX_OPT_LEN) "s " + "%" __stringify(RBD_MAX_OPT_LEN) "s " + "%" __stringify(RBD_MAX_POOL_NAME_SIZE) "s " + "%" __stringify(RBD_MAX_OBJ_NAME_SIZE) "s", + mon_dev_name, opt, rbd_dev->pool_name, + rbd_dev->obj) != 4) { + rc = -EINVAL; + goto err_out_slot; + } + + rbd_dev->obj_len = strlen(rbd_dev->obj); + + /* initialize rest of new object */ + snprintf(rbd_dev->name, DEV_NAME_LEN, DRV_NAME "%d", rbd_dev->id); + rc = rbd_get_client(rbd_dev, mon_dev_name, opt); + if (rc < 0) + goto err_out_slot; + + mutex_unlock(&ctl_mutex); + /* register our block device */ + irc = register_blkdev(0, rbd_dev->name); + if (irc < 0) { + rc = irc; + goto err_out_client; + } + rbd_dev->major = irc; + + /* set up and announce blkdev mapping */ + rc = rbd_init_disk(rbd_dev); + if (rc) + goto err_out_blkdev; + + return count; + +err_out_blkdev: + unregister_blkdev(rbd_dev->major, rbd_dev->name); +err_out_client: + rbd_put_client(rbd_dev); + mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING); +err_out_slot: + list_del_init(&rbd_dev->node); + mutex_unlock(&ctl_mutex); + + kfree(rbd_dev); +err_out_opt: + kfree(opt); +err_mon_dev: + kfree(mon_dev_name); +err_out_mod: + dout("Error adding device %s\n", buf); + module_put(THIS_MODULE); + return rc; +} + +static struct rbd_device *__rbd_get_dev(unsigned long id) +{ + struct list_head *tmp; + struct rbd_device *rbd_dev = NULL; + + list_for_each(tmp, &rbddev_list) { + rbd_dev = list_entry(tmp, struct rbd_device, node); + if (rbd_dev->id == id) + break; + + rbd_dev = NULL; + } + + return rbd_dev; +} + +static ssize_t class_rbd_remove(struct class *c, + struct class_attribute *attr, + const char *buf, + size_t count) +{ + struct rbd_device *rbd_dev = NULL; + int target_id, rc; + unsigned long ul; + + rc = strict_strtoul(buf, 10, &ul); + if (rc) + return rc; + + /* convert to int; abort if we lost anything in the conversion */ + target_id = (int) ul; + if (target_id != ul) + return -EINVAL; + + /* remove object from list immediately */ + mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING); + + rbd_dev = __rbd_get_dev(target_id); + if (rbd_dev) + list_del_init(&rbd_dev->node); + + mutex_unlock(&ctl_mutex); + + if (!rbd_dev) + return -ENOENT; + + rbd_put_client(rbd_dev); + + /* clean up and free blkdev and associated OSD connection */ + rbd_free_disk(rbd_dev); + unregister_blkdev(rbd_dev->major, rbd_dev->name); + kfree(rbd_dev); + + /* release module ref */ + module_put(THIS_MODULE); + + return count; +} + +static void get_size_and_suffix(u64 orig_size, u64 *size, char *suffix) +{ + if (orig_size >= 1024*1024*1024) { + *size = orig_size / (1024*1024*1024); + *suffix = 'G'; + } else if (orig_size >= 1024*1024) { + *size = orig_size / (1024*1024); + *suffix = 'M'; + } else if (orig_size >= 1024) { + *size = orig_size / 1024; + *suffix = 'K'; + } else { + *size = orig_size; + *suffix = ' '; + } +} + +static ssize_t class_rbd_snaps_list(struct class *c, + struct class_attribute *attr, + char *data) +{ + struct rbd_device *rbd_dev = NULL; + struct list_head *tmp; + struct rbd_obj_header *header; + char size_suffix; + u64 size; + int i, n = 0, max = PAGE_SIZE; + int ret; + + mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING); + + list_for_each(tmp, &rbddev_list) { + char *names, *p; + struct ceph_snap_context *snapc; + + rbd_dev = list_entry(tmp, struct rbd_device, node); + header = &rbd_dev->header; + names = header->snap_names; + snapc = header->snapc; + n += snprintf(data + n, max - n, + "snapshots for device id %d:\n", + rbd_dev->id); + if (n == max) + break; + + down_read(&header->snap_rwsem); + + get_size_and_suffix(header->image_size, &size, + &size_suffix); + n += snprintf(data + n, max - n, "%s\t%lld%c%s\n", + RBD_SNAP_HEAD_NAME, + size, size_suffix, + (!rbd_dev->cur_snap ? + " (*)" : "")); + if (n == max) + break; + + p = names; + for (i = 0; i < header->total_snaps; i++, p += strlen(p) + 1) { + get_size_and_suffix(header->snap_sizes[i], &size, + &size_suffix); + n += snprintf(data + n, max - n, "%s\t%lld%c%s\n", + p, size, size_suffix, + (rbd_dev->cur_snap && + (snap_index(header, i) == rbd_dev->cur_snap) ? + " (*)" : "")); + if (n == max) + break; + } + + up_read(&header->snap_rwsem); + } + + + ret = n; + mutex_unlock(&ctl_mutex); + return ret; +} + +static ssize_t class_rbd_snaps_refresh(struct class *c, + struct class_attribute *attr, + const char *buf, + size_t count) +{ + struct rbd_device *rbd_dev = NULL; + int target_id, rc; + unsigned long ul; + int ret = count; + + rc = strict_strtoul(buf, 10, &ul); + if (rc) + return rc; + + /* convert to int; abort if we lost anything in the conversion */ + target_id = (int) ul; + if (target_id != ul) + return -EINVAL; + + mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING); + + rbd_dev = __rbd_get_dev(target_id); + if (!rbd_dev) { + ret = -ENOENT; + goto done; + } + + rc = rbd_update_snaps(rbd_dev); + if (rc < 0) + ret = rc; + +done: + mutex_unlock(&ctl_mutex); + return ret; +} + +static ssize_t class_rbd_snaps_op(struct class *c, + struct class_attribute *attr, + const char *buf, + size_t count, + int snaps_op) +{ + struct rbd_device *rbd_dev = NULL; + int target_id, ret; + char *name; + struct rbd_obj_header_ondisk old_ondisk, *new_ondisk; + + name = kmalloc(RBD_MAX_SNAP_NAME_LEN + 1, GFP_KERNEL); + if (!name) + return -ENOMEM; + + /* parse snaps add command */ + if (sscanf(buf, "%d " + "%" __stringify(RBD_MAX_SNAP_NAME_LEN) "s", + &target_id, + name) != 2) { + ret = -EINVAL; + goto done; + } + + mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING); + + rbd_dev = __rbd_get_dev(target_id); + if (!rbd_dev) { + ret = -ENOENT; + goto done_unlock; + } + + ret = rbd_read_ondisk_header_nosnap(rbd_dev, + &rbd_dev->header, + &old_ondisk); + if (ret < 0) + goto done_unlock; + + switch (snaps_op) { + case RBD_SNAP_OP_CREATE: + ret = rbd_header_add_snap(rbd_dev, + name, GFP_KERNEL); + break; + case RBD_SNAP_OP_SET: + ret = rbd_header_set_snap(rbd_dev, name, NULL); + break; + default: + ret = -EINVAL; + } + if (ret < 0) + goto done_unlock; + + ret = rbd_header_to_disk(&new_ondisk, &old_ondisk, + &rbd_dev->header, GFP_KERNEL); + if (ret < 0) + goto done_unlock; + + ret = rbd_write_header(rbd_dev, new_ondisk, &rbd_dev->header); + if (ret < 0) + goto done_unlock; + + ret = count; +done_unlock: + mutex_unlock(&ctl_mutex); +done: + kfree(name); + return ret; +} + +static ssize_t class_rbd_snap_create(struct class *c, + struct class_attribute *attr, + const char *buf, + size_t count) +{ + return class_rbd_snaps_op(c, attr, buf, count, + RBD_SNAP_OP_CREATE); +} + +static struct class_attribute class_rbd_attrs[] = { + __ATTR(add, 0200, NULL, class_rbd_add), + __ATTR(remove, 0200, NULL, class_rbd_remove), + __ATTR(list, 0444, class_rbd_list, NULL), + __ATTR(snaps_refresh, 0200, NULL, class_rbd_snaps_refresh), + __ATTR(snap_create, 0200, NULL, class_rbd_snap_create), + __ATTR(snaps_list, 0444, class_rbd_snaps_list, NULL), + __ATTR_NULL +}; + +/* + * create control files in sysfs + * /sys/class/rbd/... + */ +static int rbd_sysfs_init(void) +{ + int ret = -ENOMEM; + + class_rbd = kzalloc(sizeof(*class_rbd), GFP_KERNEL); + if (!class_rbd) + goto out; + + class_rbd->name = DRV_NAME; + class_rbd->owner = THIS_MODULE; + class_rbd->class_release = class_rbd_release; + class_rbd->class_attrs = class_rbd_attrs; + + ret = class_register(class_rbd); + if (ret) + goto out_class; + return 0; + +out_class: + kfree(class_rbd); + class_rbd = NULL; + pr_err(DRV_NAME ": failed to create class rbd\n"); +out: + return ret; +} + +static void rbd_sysfs_cleanup(void) +{ + if (class_rbd) + class_destroy(class_rbd); + class_rbd = NULL; +} + +int __init rbd_init(void) +{ + int rc; + + rc = rbd_sysfs_init(); + if (rc) + return rc; + spin_lock_init(&node_lock); + pr_info("loaded " DRV_NAME_LONG); + return 0; +} + +void __exit rbd_exit(void) +{ + rbd_sysfs_cleanup(); +} diff --git a/fs/ceph/rbd.h b/fs/ceph/rbd.h new file mode 100644 index 000000000000..68e0a5c69dc8 --- /dev/null +++ b/fs/ceph/rbd.h @@ -0,0 +1,8 @@ +#ifndef _FS_CEPH_RBD +#define _FS_CEPH_RBD + +extern void rbd_set_osdc(struct ceph_osd_client *o); +extern int __init rbd_init(void); +extern void __exit rbd_exit(void); + +#endif diff --git a/fs/ceph/rbd_types.h b/fs/ceph/rbd_types.h new file mode 100644 index 000000000000..b73ac12ad0d6 --- /dev/null +++ b/fs/ceph/rbd_types.h @@ -0,0 +1,48 @@ +#ifndef _FS_CEPH_RBD +#define _FS_CEPH_RBD + +#include <linux/types.h> + +/* + * rbd image 'foo' consists of objects + * foo.rbd - image metadata + * foo.00000000 + * foo.00000001 + * ... - data + */ + +#define RBD_SUFFIX ".rbd" +#define RBD_DIRECTORY "rbd_directory" + +#define RBD_DEFAULT_OBJ_ORDER 22 /* 4MB */ + +#define RBD_MAX_OBJ_NAME_SIZE 96 +#define RBD_MAX_SEG_NAME_SIZE 128 + +#define RBD_COMP_NONE 0 +#define RBD_CRYPT_NONE 0 + +static const char rbd_text[] = "<<< Rados Block Device Image >>>\n"; +static const char rbd_signature[] = "RBD"; +static const char rbd_version[] = "001.002"; + +struct rbd_obj_snap_ondisk { + __le64 id; + __le64 image_size; +} __attribute__((packed)); + +struct rbd_obj_header_ondisk { + char text[64]; + char signature[4]; + char version[8]; + __le64 image_size; + __u8 obj_order; + __u8 crypt_type; + __u8 comp_type; + __le64 snap_seq; + __le32 snap_count; + __le64 snap_names_len; + struct rbd_obj_snap_ondisk snaps[0]; +} __attribute__((packed)); + +#endif diff --git a/fs/ceph/super.c b/fs/ceph/super.c index 7c663d9b9f81..c14d2623c9b5 100644 --- a/fs/ceph/super.c +++ b/fs/ceph/super.c @@ -18,6 +18,7 @@ #include "super.h" #include "mon_client.h" #include "auth.h" +#include "rbd.h" /* * Ceph superblock operations @@ -342,6 +343,7 @@ enum { Opt_snapdirname, Opt_name, Opt_secret, + Opt_snap, Opt_last_string, /* string args above */ Opt_ip, @@ -374,6 +376,7 @@ static match_table_t arg_tokens = { {Opt_snapdirname, "snapdirname=%s"}, {Opt_name, "name=%s"}, {Opt_secret, "secret=%s"}, + {Opt_snap, "snap=%s"}, /* string args above */ {Opt_ip, "ip=%s"}, {Opt_noshare, "noshare"}, @@ -387,14 +390,15 @@ static match_table_t arg_tokens = { }; -static struct ceph_mount_args *parse_mount_args(int flags, char *options, - const char *dev_name, - const char **path) +struct ceph_mount_args *parse_mount_args(int flags, char *options, + const char *dev_name, + const char **path) { struct ceph_mount_args *args; const char *c; int err = -ENOMEM; substring_t argstr[MAX_OPT_ARGS]; + const char *end_path; args = kzalloc(sizeof(*args), GFP_KERNEL); if (!args) @@ -426,23 +430,29 @@ static struct ceph_mount_args *parse_mount_args(int flags, char *options, err = -EINVAL; if (!dev_name) goto out; - *path = strstr(dev_name, ":/"); - if (*path == NULL) { - pr_err("device name is missing path (no :/ in %s)\n", - dev_name); - goto out; + + if (path) { + *path = strstr(dev_name, ":/"); + if (*path == NULL) { + pr_err("device name is missing path (no :/ in %s)\n", + dev_name); + goto out; + } + end_path = *path; + + /* path on server */ + *path += 2; + dout("server path '%s'\n", *path); + } else { + end_path = dev_name + strlen(dev_name); } /* get mon ip(s) */ - err = ceph_parse_ips(dev_name, *path, args->mon_addr, + err = ceph_parse_ips(dev_name, end_path, args->mon_addr, CEPH_MAX_MON, &args->num_mon); if (err < 0) goto out; - /* path on server */ - *path += 2; - dout("server path '%s'\n", *path); - /* parse mount options */ while ((c = strsep(&options, ",")) != NULL) { int token, intval, ret; @@ -501,6 +511,11 @@ static struct ceph_mount_args *parse_mount_args(int flags, char *options, argstr[0].to-argstr[0].from, GFP_KERNEL); break; + case Opt_snap: + args->snap = kstrndup(argstr[0].from, + argstr[0].to-argstr[0].from, + GFP_KERNEL); + break; /* misc */ case Opt_wsize: @@ -569,22 +584,70 @@ out: return ERR_PTR(err); } -static void destroy_mount_args(struct ceph_mount_args *args) +void ceph_destroy_mount_args(struct ceph_mount_args *args) { dout("destroy_mount_args %p\n", args); kfree(args->snapdir_name); - args->snapdir_name = NULL; kfree(args->name); - args->name = NULL; kfree(args->secret); - args->secret = NULL; + kfree(args->snap); kfree(args); } +static int strcmp_null(const char *s1, const char *s2) +{ + if (!s1 && !s2) + return 0; + if (s1 && !s2) + return -1; + if (!s1 && s2) + return 1; + return strcmp(s1, s2); +} + +int ceph_compare_mount_args(struct ceph_mount_args *new_args, + struct ceph_client *client) +{ + struct ceph_mount_args *args1 = new_args; + struct ceph_mount_args *args2 = client->mount_args; + int ofs = offsetof(struct ceph_mount_args, mon_addr); + int i; + int ret; + + ret = memcmp(args1, args2, ofs); + if (ret) + return ret; + + ret = strcmp_null(args1->snapdir_name, args2->snapdir_name); + if (ret) + return ret; + + ret = strcmp_null(args1->name, args2->name); + if (ret) + return ret; + + ret = strcmp_null(args1->secret, args2->secret); + if (ret) + return ret; + + ret = strcmp_null(args1->snap, args2->snap); + if (ret) + return ret; + + for (i = 0; i < args1->num_mon; i++) { + if (ceph_monmap_contains(client->monc.monmap, + &args1->mon_addr[i])) + return 0; + } + + return -1; +} + /* * create a fresh client instance */ -static struct ceph_client *ceph_create_client(struct ceph_mount_args *args) +struct ceph_client *ceph_create_client(struct ceph_mount_args *args, + int need_mdsc) { struct ceph_client *client; int err = -ENOMEM; @@ -639,9 +702,13 @@ static struct ceph_client *ceph_create_client(struct ceph_mount_args *args) err = ceph_osdc_init(&client->osdc, client); if (err < 0) goto fail_monc; - err = ceph_mdsc_init(&client->mdsc, client); - if (err < 0) - goto fail_osdc; + if (need_mdsc) { + err = ceph_mdsc_init(&client->mdsc, client); + if (err < 0) + goto fail_osdc; + client->have_mdsc = 1; + } + return client; fail_osdc: @@ -663,15 +730,28 @@ fail: return ERR_PTR(err); } -static void ceph_destroy_client(struct ceph_client *client) +u64 ceph_client_id(struct ceph_client *client) +{ + return client->monc.auth->global_id; +} + +void ceph_destroy_client(struct ceph_client *client) { dout("destroy_client %p\n", client); /* unmount */ ceph_mdsc_stop(&client->mdsc); - ceph_monc_stop(&client->monc); ceph_osdc_stop(&client->osdc); + /* + * make sure mds and osd connections close out before destroying + * the auth module, which is needed to free those connections' + * ceph_authorizers. + */ + ceph_msgr_flush(); + + ceph_monc_stop(&client->monc); + ceph_adjust_min_caps(-client->min_caps); ceph_debugfs_client_cleanup(client); @@ -685,7 +765,7 @@ static void ceph_destroy_client(struct ceph_client *client) ceph_messenger_destroy(client->msgr); mempool_destroy(client->wb_pagevec_pool); - destroy_mount_args(client->mount_args); + ceph_destroy_mount_args(client->mount_args); kfree(client); dout("destroy_client %p done\n", client); @@ -704,7 +784,7 @@ int ceph_check_fsid(struct ceph_client *client, struct ceph_fsid *fsid) } } else { pr_info("client%lld fsid " FSID_FORMAT "\n", - client->monc.auth->global_id, PR_FSID(fsid)); + ceph_client_id(client), PR_FSID(fsid)); memcpy(&client->fsid, fsid, sizeof(*fsid)); ceph_debugfs_client_init(client); client->have_fsid = true; @@ -738,7 +818,7 @@ static struct dentry *open_root_dentry(struct ceph_client *client, dout("open_root_inode opening '%s'\n", path); req = ceph_mdsc_create_request(mdsc, CEPH_MDS_OP_GETATTR, USE_ANY_MDS); if (IS_ERR(req)) - return ERR_PTR(PTR_ERR(req)); + return ERR_CAST(req); req->r_path1 = kstrdup(path, GFP_NOFS); req->r_ino1.ino = CEPH_INO_ROOT; req->r_ino1.snap = CEPH_NOSNAP; @@ -766,17 +846,12 @@ static struct dentry *open_root_dentry(struct ceph_client *client, /* * mount: join the ceph cluster, and open root directory. */ -static int ceph_mount(struct ceph_client *client, struct vfsmount *mnt, - const char *path) +static int __ceph_open_session(struct ceph_client *client, + unsigned long started) { struct ceph_entity_addr *myaddr = NULL; int err; unsigned long timeout = client->mount_args->mount_timeout * HZ; - unsigned long started = jiffies; /* note the start time */ - struct dentry *root; - - dout("mount start\n"); - mutex_lock(&client->mount_mutex); /* initialize the messenger */ if (client->msgr == NULL) { @@ -784,9 +859,8 @@ static int ceph_mount(struct ceph_client *client, struct vfsmount *mnt, myaddr = &client->mount_args->my_addr; client->msgr = ceph_messenger_create(myaddr); if (IS_ERR(client->msgr)) { - err = PTR_ERR(client->msgr); client->msgr = NULL; - goto out; + return PTR_ERR(client->msgr); } client->msgr->nocrc = ceph_test_opt(client, NOCRC); } @@ -794,26 +868,58 @@ static int ceph_mount(struct ceph_client *client, struct vfsmount *mnt, /* open session, and wait for mon, mds, and osd maps */ err = ceph_monc_open_session(&client->monc); if (err < 0) - goto out; + return err; while (!have_mon_and_osd_map(client)) { err = -EIO; if (timeout && time_after_eq(jiffies, started + timeout)) - goto out; + return err; /* wait */ dout("mount waiting for mon_map\n"); err = wait_event_interruptible_timeout(client->auth_wq, - have_mon_and_osd_map(client) || (client->auth_err < 0), - timeout); + have_mon_and_osd_map(client) || (client->auth_err < 0), + timeout); if (err == -EINTR || err == -ERESTARTSYS) - goto out; - if (client->auth_err < 0) { - err = client->auth_err; - goto out; - } + return err; + if (client->auth_err < 0) + return client->auth_err; } + return 0; +} + +int ceph_open_session(struct ceph_client *client) +{ + int ret; + unsigned long started = jiffies; /* note the start time */ + + dout("open_session start\n"); + mutex_lock(&client->mount_mutex); + + ret = __ceph_open_session(client, started); + + mutex_unlock(&client->mount_mutex); + return ret; +} + +/* + * mount: join the ceph cluster, and open root directory. + */ +static int ceph_mount(struct ceph_client *client, struct vfsmount *mnt, + const char *path) +{ + int err; + unsigned long started = jiffies; /* note the start time */ + struct dentry *root; + + dout("mount start\n"); + mutex_lock(&client->mount_mutex); + + err = __ceph_open_session(client, started); + if (err < 0) + goto out; + dout("mount opening root\n"); root = open_root_dentry(client, "", started); if (IS_ERR(root)) { @@ -955,7 +1061,7 @@ static int ceph_get_sb(struct file_system_type *fs_type, } /* create client (which we may/may not use) */ - client = ceph_create_client(args); + client = ceph_create_client(args, 1); if (IS_ERR(client)) { err = PTR_ERR(client); goto out_final; @@ -1045,8 +1151,14 @@ static int __init init_ceph(void) CEPH_MONC_PROTOCOL, CEPH_MDSC_PROTOCOL, CEPH_OSDC_PROTOCOL, CEPH_OSDMAP_VERSION, CEPH_OSDMAP_VERSION_EXT, CEPH_OSDMAP_INC_VERSION, CEPH_OSDMAP_INC_VERSION_EXT); + + ret = rbd_init(); + if (ret) + goto out_fs; return 0; +out_fs: + unregister_filesystem(&ceph_fs_type); out_icache: destroy_caches(); out_msgr: @@ -1060,6 +1172,7 @@ out: static void __exit exit_ceph(void) { dout("exit_ceph\n"); + rbd_exit(); unregister_filesystem(&ceph_fs_type); ceph_caps_finalize(); destroy_caches(); diff --git a/fs/ceph/super.h b/fs/ceph/super.h index 3725c9ee9d08..b46de1f40ec9 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -10,7 +10,6 @@ #include <linux/fs.h> #include <linux/mempool.h> #include <linux/pagemap.h> -#include <linux/slab.h> #include <linux/wait.h> #include <linux/writeback.h> #include <linux/slab.h> @@ -49,14 +48,11 @@ #define ceph_test_opt(client, opt) \ (!!((client)->mount_args->flags & CEPH_OPT_##opt)) - struct ceph_mount_args { int sb_flags; int flags; struct ceph_fsid fsid; struct ceph_entity_addr my_addr; - int num_mon; - struct ceph_entity_addr *mon_addr; int mount_timeout; int osd_idle_ttl; int osd_timeout; @@ -68,9 +64,17 @@ struct ceph_mount_args { int cap_release_safety; int max_readdir; /* max readdir result (entires) */ int max_readdir_bytes; /* max readdir result (bytes) */ + + /* any type that can't be simply compared or doesn't need + need to be compared should go beyond this point, + ceph_compare_mount_args() should be updated accordingly */ + struct ceph_entity_addr *mon_addr; /* should be the first + pointer type of args */ + int num_mon; char *snapdir_name; /* default ".snap" */ char *name; char *secret; + char *snap; /* rbd snapshot */ }; /* @@ -140,6 +144,8 @@ struct ceph_client { int min_caps; /* min caps i added */ + int have_mdsc; + struct ceph_messenger *msgr; /* messenger instance */ struct ceph_mon_client monc; struct ceph_mds_client mdsc; @@ -738,6 +744,17 @@ extern struct kmem_cache *ceph_file_cachep; extern const char *ceph_msg_type_name(int type); extern int ceph_check_fsid(struct ceph_client *client, struct ceph_fsid *fsid); +extern struct ceph_mount_args *parse_mount_args(int flags, char *options, + const char *dev_name, + const char **path); +extern void ceph_destroy_mount_args(struct ceph_mount_args *args); +extern int ceph_compare_mount_args(struct ceph_mount_args *new_args, + struct ceph_client *client); +extern struct ceph_client *ceph_create_client(struct ceph_mount_args *args, + int need_mdsc); +extern u64 ceph_client_id(struct ceph_client *client); +extern void ceph_destroy_client(struct ceph_client *client); +extern int ceph_open_session(struct ceph_client *client); #define FSID_FORMAT "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-" \ "%02x%02x%02x%02x%02x%02x" @@ -811,7 +828,7 @@ extern void ceph_put_cap(struct ceph_cap *cap); extern void ceph_queue_caps_release(struct inode *inode); extern int ceph_write_inode(struct inode *inode, struct writeback_control *wbc); -extern int ceph_fsync(struct file *file, struct dentry *dentry, int datasync); +extern int ceph_fsync(struct file *file, int datasync); extern void ceph_kick_flushing_caps(struct ceph_mds_client *mdsc, struct ceph_mds_session *session); extern int ceph_get_cap_mds(struct inode *inode); @@ -848,6 +865,13 @@ extern int ceph_mmap(struct file *file, struct vm_area_struct *vma); /* file.c */ extern const struct file_operations ceph_file_fops; extern const struct address_space_operations ceph_aops; +extern int ceph_copy_to_page_vector(struct page **pages, + const char *data, + loff_t off, size_t len); +extern int ceph_copy_from_page_vector(struct page **pages, + char *data, + loff_t off, size_t len); +extern struct page **ceph_alloc_page_vector(int num_pages, gfp_t flags); extern int ceph_open(struct inode *inode, struct file *file); extern struct dentry *ceph_lookup_open(struct inode *dir, struct dentry *dentry, struct nameidata *nd, int mode, @@ -897,4 +921,9 @@ static inline struct inode *get_dentry_parent_inode(struct dentry *dentry) return NULL; } +#ifndef CONFIG_RBD +static inline int __init rbd_init(void) { return 0; } +static inline void __exit rbd_exit(void) {} +#endif + #endif /* _FS_CEPH_SUPER_H */ diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h index 0242ff9cbf41..a7eb65c84b1c 100644 --- a/fs/cifs/cifsfs.h +++ b/fs/cifs/cifsfs.h @@ -84,7 +84,7 @@ extern ssize_t cifs_user_read(struct file *file, char __user *read_data, extern ssize_t cifs_user_write(struct file *file, const char __user *write_data, size_t write_size, loff_t *poffset); extern int cifs_lock(struct file *, int, struct file_lock *); -extern int cifs_fsync(struct file *, struct dentry *, int); +extern int cifs_fsync(struct file *, int); extern int cifs_flush(struct file *, fl_owner_t id); extern int cifs_file_mmap(struct file * , struct vm_area_struct *); extern const struct file_operations cifs_dir_ops; diff --git a/fs/cifs/file.c b/fs/cifs/file.c index a83541ec9713..f1ff785b2292 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -1676,7 +1676,7 @@ static int cifs_write_end(struct file *file, struct address_space *mapping, return rc; } -int cifs_fsync(struct file *file, struct dentry *dentry, int datasync) +int cifs_fsync(struct file *file, int datasync) { int xid; int rc = 0; @@ -1688,7 +1688,7 @@ int cifs_fsync(struct file *file, struct dentry *dentry, int datasync) xid = GetXid(); cFYI(1, "Sync file - name: %s datasync: 0x%x", - dentry->d_name.name, datasync); + file->f_path.dentry->d_name.name, datasync); rc = filemap_write_and_wait(inode->i_mapping); if (rc == 0) { diff --git a/fs/coda/coda_int.h b/fs/coda/coda_int.h index d99860a33890..6b443ff43a19 100644 --- a/fs/coda/coda_int.h +++ b/fs/coda/coda_int.h @@ -11,8 +11,7 @@ extern int coda_fake_statfs; void coda_destroy_inodecache(void); int coda_init_inodecache(void); -int coda_fsync(struct file *coda_file, struct dentry *coda_dentry, - int datasync); +int coda_fsync(struct file *coda_file, int datasync); void coda_sysctl_init(void); void coda_sysctl_clean(void); diff --git a/fs/coda/file.c b/fs/coda/file.c index 7196077b1688..ad3cd2abeeb4 100644 --- a/fs/coda/file.c +++ b/fs/coda/file.c @@ -202,10 +202,10 @@ int coda_release(struct inode *coda_inode, struct file *coda_file) return 0; } -int coda_fsync(struct file *coda_file, struct dentry *coda_dentry, int datasync) +int coda_fsync(struct file *coda_file, int datasync) { struct file *host_file; - struct inode *coda_inode = coda_dentry->d_inode; + struct inode *coda_inode = coda_file->f_path.dentry->d_inode; struct coda_file_info *cfi; int err = 0; diff --git a/fs/configfs/inode.c b/fs/configfs/inode.c index c8af2d91174b..41645142b88b 100644 --- a/fs/configfs/inode.c +++ b/fs/configfs/inode.c @@ -72,16 +72,11 @@ int configfs_setattr(struct dentry * dentry, struct iattr * iattr) if (!sd) return -EINVAL; - sd_iattr = sd->s_iattr; - - error = inode_change_ok(inode, iattr); - if (error) - return error; - - error = inode_setattr(inode, iattr); + error = simple_setattr(dentry, iattr); if (error) return error; + sd_iattr = sd->s_iattr; if (!sd_iattr) { /* setting attributes for the first time, allocate now */ sd_iattr = kzalloc(sizeof(struct iattr), GFP_KERNEL); diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c index 4d74fc72c195..0210898458b2 100644 --- a/fs/debugfs/file.c +++ b/fs/debugfs/file.c @@ -277,8 +277,10 @@ DEFINE_SIMPLE_ATTRIBUTE(fops_x32, debugfs_u32_get, debugfs_u32_set, "0x%08llx\n" DEFINE_SIMPLE_ATTRIBUTE(fops_x32_ro, debugfs_u32_get, NULL, "0x%08llx\n"); DEFINE_SIMPLE_ATTRIBUTE(fops_x32_wo, NULL, debugfs_u32_set, "0x%08llx\n"); +DEFINE_SIMPLE_ATTRIBUTE(fops_x64, debugfs_u64_get, debugfs_u64_set, "0x%016llx\n"); + /* - * debugfs_create_x{8,16,32} - create a debugfs file that is used to read and write an unsigned {8,16,32}-bit value + * debugfs_create_x{8,16,32,64} - create a debugfs file that is used to read and write an unsigned {8,16,32,64}-bit value * * These functions are exactly the same as the above functions (but use a hex * output for the decimal challenged). For details look at the above unsigned @@ -357,6 +359,23 @@ struct dentry *debugfs_create_x32(const char *name, mode_t mode, } EXPORT_SYMBOL_GPL(debugfs_create_x32); +/** + * debugfs_create_x64 - create a debugfs file that is used to read and write an unsigned 64-bit value + * @name: a pointer to a string containing the name of the file to create. + * @mode: the permission that the file should have + * @parent: a pointer to the parent dentry for this file. This should be a + * directory dentry if set. If this parameter is %NULL, then the + * file will be created in the root of the debugfs filesystem. + * @value: a pointer to the variable that the file should read to and write + * from. + */ +struct dentry *debugfs_create_x64(const char *name, mode_t mode, + struct dentry *parent, u64 *value) +{ + return debugfs_create_file(name, mode, parent, value, &fops_x64); +} +EXPORT_SYMBOL_GPL(debugfs_create_x64); + static int debugfs_size_t_set(void *data, u64 val) { diff --git a/fs/direct-io.c b/fs/direct-io.c index da111aacb46e..7600aacf531d 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -1134,27 +1134,8 @@ direct_io_worker(int rw, struct kiocb *iocb, struct inode *inode, return ret; } -/* - * This is a library function for use by filesystem drivers. - * - * The locking rules are governed by the flags parameter: - * - if the flags value contains DIO_LOCKING we use a fancy locking - * scheme for dumb filesystems. - * For writes this function is called under i_mutex and returns with - * i_mutex held, for reads, i_mutex is not held on entry, but it is - * taken and dropped again before returning. - * For reads and writes i_alloc_sem is taken in shared mode and released - * on I/O completion (which may happen asynchronously after returning to - * the caller). - * - * - if the flags value does NOT contain DIO_LOCKING we don't use any - * internal locking but rather rely on the filesystem to synchronize - * direct I/O reads/writes versus each other and truncate. - * For reads and writes both i_mutex and i_alloc_sem are not held on - * entry and are never taken. - */ ssize_t -__blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode, +__blockdev_direct_IO_newtrunc(int rw, struct kiocb *iocb, struct inode *inode, struct block_device *bdev, const struct iovec *iov, loff_t offset, unsigned long nr_segs, get_block_t get_block, dio_iodone_t end_io, dio_submit_t submit_io, int flags) @@ -1247,9 +1228,46 @@ __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode, nr_segs, blkbits, get_block, end_io, submit_io, dio); +out: + return retval; +} +EXPORT_SYMBOL(__blockdev_direct_IO_newtrunc); + +/* + * This is a library function for use by filesystem drivers. + * + * The locking rules are governed by the flags parameter: + * - if the flags value contains DIO_LOCKING we use a fancy locking + * scheme for dumb filesystems. + * For writes this function is called under i_mutex and returns with + * i_mutex held, for reads, i_mutex is not held on entry, but it is + * taken and dropped again before returning. + * For reads and writes i_alloc_sem is taken in shared mode and released + * on I/O completion (which may happen asynchronously after returning to + * the caller). + * + * - if the flags value does NOT contain DIO_LOCKING we don't use any + * internal locking but rather rely on the filesystem to synchronize + * direct I/O reads/writes versus each other and truncate. + * For reads and writes both i_mutex and i_alloc_sem are not held on + * entry and are never taken. + */ +ssize_t +__blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode, + struct block_device *bdev, const struct iovec *iov, loff_t offset, + unsigned long nr_segs, get_block_t get_block, dio_iodone_t end_io, + dio_submit_t submit_io, int flags) +{ + ssize_t retval; + + retval = __blockdev_direct_IO_newtrunc(rw, iocb, inode, bdev, iov, + offset, nr_segs, get_block, end_io, submit_io, flags); /* * In case of error extending write may have instantiated a few * blocks outside i_size. Trim these off again for DIO_LOCKING. + * NOTE: DIO_NO_LOCK/DIO_OWN_LOCK callers have to handle this in + * their own manner. This is a further example of where the old + * truncate sequence is inadequate. * * NOTE: filesystems with their own locking have to handle this * on their own. @@ -1257,12 +1275,13 @@ __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode, if (flags & DIO_LOCKING) { if (unlikely((rw & WRITE) && retval < 0)) { loff_t isize = i_size_read(inode); + loff_t end = offset + iov_length(iov, nr_segs); + if (end > isize) vmtruncate(inode, isize); } } -out: return retval; } EXPORT_SYMBOL(__blockdev_direct_IO); diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c index 3bdddbcc785f..e8fcf4e2ed7d 100644 --- a/fs/ecryptfs/file.c +++ b/fs/ecryptfs/file.c @@ -274,7 +274,7 @@ static int ecryptfs_release(struct inode *inode, struct file *file) } static int -ecryptfs_fsync(struct file *file, struct dentry *dentry, int datasync) +ecryptfs_fsync(struct file *file, int datasync) { return vfs_fsync(ecryptfs_file_to_lower(file), datasync); } diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c index 65dee2f336ae..31ef5252f0fe 100644 --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -805,7 +805,7 @@ static int truncate_upper(struct dentry *dentry, struct iattr *ia, - (ia->ia_size & ~PAGE_CACHE_MASK)); if (!(crypt_stat->flags & ECRYPTFS_ENCRYPTED)) { - rc = vmtruncate(inode, ia->ia_size); + rc = simple_setsize(inode, ia->ia_size); if (rc) goto out; lower_ia->ia_size = ia->ia_size; @@ -830,7 +830,7 @@ static int truncate_upper(struct dentry *dentry, struct iattr *ia, goto out; } } - vmtruncate(inode, ia->ia_size); + simple_setsize(inode, ia->ia_size); rc = ecryptfs_write_inode_size_to_metadata(inode); if (rc) { printk(KERN_ERR "Problem with " diff --git a/fs/exofs/file.c b/fs/exofs/file.c index 839b9dc1e70f..fef6899be397 100644 --- a/fs/exofs/file.c +++ b/fs/exofs/file.c @@ -40,12 +40,11 @@ static int exofs_release_file(struct inode *inode, struct file *filp) return 0; } -static int exofs_file_fsync(struct file *filp, struct dentry *dentry, - int datasync) +static int exofs_file_fsync(struct file *filp, int datasync) { int ret; struct address_space *mapping = filp->f_mapping; - struct inode *inode = dentry->d_inode; + struct inode *inode = mapping->host; struct super_block *sb; ret = filemap_write_and_wait(mapping); @@ -66,7 +65,7 @@ static int exofs_file_fsync(struct file *filp, struct dentry *dentry, static int exofs_flush(struct file *file, fl_owner_t id) { - exofs_file_fsync(file, file->f_path.dentry, 1); + exofs_file_fsync(file, 1); /* TODO: Flush the OSD target */ return 0; } diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h index 0b038e47ad2f..52b34f1d2738 100644 --- a/fs/ext2/ext2.h +++ b/fs/ext2/ext2.h @@ -122,7 +122,6 @@ extern int ext2_write_inode (struct inode *, struct writeback_control *); extern void ext2_delete_inode (struct inode *); extern int ext2_sync_inode (struct inode *); extern int ext2_get_block(struct inode *, sector_t, struct buffer_head *, int); -extern void ext2_truncate (struct inode *); extern int ext2_setattr (struct dentry *, struct iattr *); extern void ext2_set_inode_flags(struct inode *inode); extern void ext2_get_inode_flags(struct ext2_inode_info *); @@ -155,7 +154,7 @@ extern void ext2_write_super (struct super_block *); extern const struct file_operations ext2_dir_operations; /* file.c */ -extern int ext2_fsync(struct file *file, struct dentry *dentry, int datasync); +extern int ext2_fsync(struct file *file, int datasync); extern const struct inode_operations ext2_file_inode_operations; extern const struct file_operations ext2_file_operations; extern const struct file_operations ext2_xip_file_operations; diff --git a/fs/ext2/file.c b/fs/ext2/file.c index 5d198d0697fb..49eec9456c5b 100644 --- a/fs/ext2/file.c +++ b/fs/ext2/file.c @@ -40,13 +40,13 @@ static int ext2_release_file (struct inode * inode, struct file * filp) return 0; } -int ext2_fsync(struct file *file, struct dentry *dentry, int datasync) +int ext2_fsync(struct file *file, int datasync) { int ret; - struct super_block *sb = dentry->d_inode->i_sb; + struct super_block *sb = file->f_mapping->host->i_sb; struct address_space *mapping = sb->s_bdev->bd_inode->i_mapping; - ret = simple_fsync(file, dentry, datasync); + ret = generic_file_fsync(file, datasync); if (ret == -EIO || test_and_clear_bit(AS_EIO, &mapping->flags)) { /* We don't really know where the IO error happened... */ ext2_error(sb, __func__, @@ -95,7 +95,6 @@ const struct file_operations ext2_xip_file_operations = { #endif const struct inode_operations ext2_file_inode_operations = { - .truncate = ext2_truncate, #ifdef CONFIG_EXT2_FS_XATTR .setxattr = generic_setxattr, .getxattr = generic_getxattr, diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c index 527c46d9bc1f..19214435b752 100644 --- a/fs/ext2/inode.c +++ b/fs/ext2/inode.c @@ -54,6 +54,18 @@ static inline int ext2_inode_is_fast_symlink(struct inode *inode) inode->i_blocks - ea_blocks == 0); } +static void ext2_truncate_blocks(struct inode *inode, loff_t offset); + +static void ext2_write_failed(struct address_space *mapping, loff_t to) +{ + struct inode *inode = mapping->host; + + if (to > inode->i_size) { + truncate_pagecache(inode, to, inode->i_size); + ext2_truncate_blocks(inode, inode->i_size); + } +} + /* * Called at the last iput() if i_nlink is zero. */ @@ -71,7 +83,7 @@ void ext2_delete_inode (struct inode * inode) inode->i_size = 0; if (inode->i_blocks) - ext2_truncate (inode); + ext2_truncate_blocks(inode, 0); ext2_free_inode (inode); return; @@ -757,8 +769,8 @@ int __ext2_write_begin(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, struct page **pagep, void **fsdata) { - return block_write_begin(file, mapping, pos, len, flags, pagep, fsdata, - ext2_get_block); + return block_write_begin_newtrunc(file, mapping, pos, len, flags, + pagep, fsdata, ext2_get_block); } static int @@ -766,8 +778,25 @@ ext2_write_begin(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, struct page **pagep, void **fsdata) { + int ret; + *pagep = NULL; - return __ext2_write_begin(file, mapping, pos, len, flags, pagep,fsdata); + ret = __ext2_write_begin(file, mapping, pos, len, flags, pagep, fsdata); + if (ret < 0) + ext2_write_failed(mapping, pos + len); + return ret; +} + +static int ext2_write_end(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata) +{ + int ret; + + ret = generic_write_end(file, mapping, pos, len, copied, page, fsdata); + if (ret < len) + ext2_write_failed(mapping, pos + len); + return ret; } static int @@ -775,13 +804,18 @@ ext2_nobh_write_begin(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, struct page **pagep, void **fsdata) { + int ret; + /* * Dir-in-pagecache still uses ext2_write_begin. Would have to rework * directory handling code to pass around offsets rather than struct * pages in order to make this work easily. */ - return nobh_write_begin(file, mapping, pos, len, flags, pagep, fsdata, - ext2_get_block); + ret = nobh_write_begin_newtrunc(file, mapping, pos, len, flags, pagep, + fsdata, ext2_get_block); + if (ret < 0) + ext2_write_failed(mapping, pos + len); + return ret; } static int ext2_nobh_writepage(struct page *page, @@ -800,10 +834,15 @@ ext2_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov, loff_t offset, unsigned long nr_segs) { struct file *file = iocb->ki_filp; - struct inode *inode = file->f_mapping->host; - - return blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov, - offset, nr_segs, ext2_get_block, NULL); + struct address_space *mapping = file->f_mapping; + struct inode *inode = mapping->host; + ssize_t ret; + + ret = blockdev_direct_IO_newtrunc(rw, iocb, inode, inode->i_sb->s_bdev, + iov, offset, nr_segs, ext2_get_block, NULL); + if (ret < 0 && (rw & WRITE)) + ext2_write_failed(mapping, offset + iov_length(iov, nr_segs)); + return ret; } static int @@ -818,7 +857,7 @@ const struct address_space_operations ext2_aops = { .writepage = ext2_writepage, .sync_page = block_sync_page, .write_begin = ext2_write_begin, - .write_end = generic_write_end, + .write_end = ext2_write_end, .bmap = ext2_bmap, .direct_IO = ext2_direct_IO, .writepages = ext2_writepages, @@ -1027,7 +1066,7 @@ static void ext2_free_branches(struct inode *inode, __le32 *p, __le32 *q, int de ext2_free_data(inode, p, q); } -void ext2_truncate(struct inode *inode) +static void __ext2_truncate_blocks(struct inode *inode, loff_t offset) { __le32 *i_data = EXT2_I(inode)->i_data; struct ext2_inode_info *ei = EXT2_I(inode); @@ -1039,27 +1078,8 @@ void ext2_truncate(struct inode *inode) int n; long iblock; unsigned blocksize; - - if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) || - S_ISLNK(inode->i_mode))) - return; - if (ext2_inode_is_fast_symlink(inode)) - return; - if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) - return; - blocksize = inode->i_sb->s_blocksize; - iblock = (inode->i_size + blocksize-1) - >> EXT2_BLOCK_SIZE_BITS(inode->i_sb); - - if (mapping_is_xip(inode->i_mapping)) - xip_truncate_page(inode->i_mapping, inode->i_size); - else if (test_opt(inode->i_sb, NOBH)) - nobh_truncate_page(inode->i_mapping, - inode->i_size, ext2_get_block); - else - block_truncate_page(inode->i_mapping, - inode->i_size, ext2_get_block); + iblock = (offset + blocksize-1) >> EXT2_BLOCK_SIZE_BITS(inode->i_sb); n = ext2_block_to_path(inode, iblock, offsets, NULL); if (n == 0) @@ -1127,6 +1147,62 @@ do_indirects: ext2_discard_reservation(inode); mutex_unlock(&ei->truncate_mutex); +} + +static void ext2_truncate_blocks(struct inode *inode, loff_t offset) +{ + /* + * XXX: it seems like a bug here that we don't allow + * IS_APPEND inode to have blocks-past-i_size trimmed off. + * review and fix this. + * + * Also would be nice to be able to handle IO errors and such, + * but that's probably too much to ask. + */ + if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) || + S_ISLNK(inode->i_mode))) + return; + if (ext2_inode_is_fast_symlink(inode)) + return; + if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) + return; + __ext2_truncate_blocks(inode, offset); +} + +int ext2_setsize(struct inode *inode, loff_t newsize) +{ + loff_t oldsize; + int error; + + error = inode_newsize_ok(inode, newsize); + if (error) + return error; + + if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) || + S_ISLNK(inode->i_mode))) + return -EINVAL; + if (ext2_inode_is_fast_symlink(inode)) + return -EINVAL; + if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) + return -EPERM; + + if (mapping_is_xip(inode->i_mapping)) + error = xip_truncate_page(inode->i_mapping, newsize); + else if (test_opt(inode->i_sb, NOBH)) + error = nobh_truncate_page(inode->i_mapping, + newsize, ext2_get_block); + else + error = block_truncate_page(inode->i_mapping, + newsize, ext2_get_block); + if (error) + return error; + + oldsize = inode->i_size; + i_size_write(inode, newsize); + truncate_pagecache(inode, oldsize, newsize); + + __ext2_truncate_blocks(inode, newsize); + inode->i_mtime = inode->i_ctime = CURRENT_TIME_SEC; if (inode_needs_sync(inode)) { sync_mapping_buffers(inode->i_mapping); @@ -1134,6 +1210,8 @@ do_indirects: } else { mark_inode_dirty(inode); } + + return 0; } static struct ext2_inode *ext2_get_inode(struct super_block *sb, ino_t ino, @@ -1474,8 +1552,15 @@ int ext2_setattr(struct dentry *dentry, struct iattr *iattr) if (error) return error; } - error = inode_setattr(inode, iattr); - if (!error && (iattr->ia_valid & ATTR_MODE)) + if (iattr->ia_valid & ATTR_SIZE) { + error = ext2_setsize(inode, iattr->ia_size); + if (error) + return error; + } + generic_setattr(inode, iattr); + if (iattr->ia_valid & ATTR_MODE) error = ext2_acl_chmod(inode); + mark_inode_dirty(inode); + return error; } diff --git a/fs/ext2/super.c b/fs/ext2/super.c index 71e9eb1fa696..7ff43f4a59cd 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -119,6 +119,8 @@ static void ext2_put_super (struct super_block * sb) int i; struct ext2_sb_info *sbi = EXT2_SB(sb); + dquot_disable(sb, -1, DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED); + if (sb->s_dirt) ext2_write_super(sb); @@ -1063,6 +1065,12 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) sb->s_op = &ext2_sops; sb->s_export_op = &ext2_export_ops; sb->s_xattr = ext2_xattr_handlers; + +#ifdef CONFIG_QUOTA + sb->dq_op = &dquot_operations; + sb->s_qcop = &dquot_quotactl_ops; +#endif + root = ext2_iget(sb, EXT2_ROOT_INO); if (IS_ERR(root)) { ret = PTR_ERR(root); @@ -1241,6 +1249,7 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data) spin_unlock(&sbi->s_lock); return 0; } + /* * OK, we are remounting a valid rw partition rdonly, so set * the rdonly flag and then mark the partition as valid again. @@ -1248,6 +1257,13 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data) es->s_state = cpu_to_le16(sbi->s_mount_state); es->s_mtime = cpu_to_le32(get_seconds()); spin_unlock(&sbi->s_lock); + + err = dquot_suspend(sb, -1); + if (err < 0) { + spin_lock(&sbi->s_lock); + goto restore_opts; + } + ext2_sync_super(sb, es, 1); } else { __le32 ret = EXT2_HAS_RO_COMPAT_FEATURE(sb, @@ -1269,8 +1285,12 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data) if (!ext2_setup_super (sb, es, 0)) sb->s_flags &= ~MS_RDONLY; spin_unlock(&sbi->s_lock); + ext2_write_super(sb); + + dquot_resume(sb, -1); } + return 0; restore_opts: sbi->s_mount_opt = old_opts.s_mount_opt; diff --git a/fs/ext3/dir.c b/fs/ext3/dir.c index 373fa90c796a..e2e72c367cf6 100644 --- a/fs/ext3/dir.c +++ b/fs/ext3/dir.c @@ -297,7 +297,7 @@ static void free_rb_tree_fname(struct rb_root *root) kfree (old); } if (!parent) - root->rb_node = NULL; + *root = RB_ROOT; else if (parent->rb_left == n) parent->rb_left = NULL; else if (parent->rb_right == n) diff --git a/fs/ext3/fsync.c b/fs/ext3/fsync.c index fcf7487734b6..d7e9f74dc3a6 100644 --- a/fs/ext3/fsync.c +++ b/fs/ext3/fsync.c @@ -43,9 +43,9 @@ * inode to disk. */ -int ext3_sync_file(struct file * file, struct dentry *dentry, int datasync) +int ext3_sync_file(struct file *file, int datasync) { - struct inode *inode = dentry->d_inode; + struct inode *inode = file->f_mapping->host; struct ext3_inode_info *ei = EXT3_I(inode); journal_t *journal = EXT3_SB(inode->i_sb)->s_journal; int ret, needs_barrier = 0; diff --git a/fs/ext3/super.c b/fs/ext3/super.c index 0fc1293d0e96..6c953bb255e7 100644 --- a/fs/ext3/super.c +++ b/fs/ext3/super.c @@ -410,6 +410,8 @@ static void ext3_put_super (struct super_block * sb) struct ext3_super_block *es = sbi->s_es; int i, err; + dquot_disable(sb, -1, DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED); + lock_kernel(); ext3_xattr_put_super(sb); @@ -748,7 +750,7 @@ static int ext3_release_dquot(struct dquot *dquot); static int ext3_mark_dquot_dirty(struct dquot *dquot); static int ext3_write_info(struct super_block *sb, int type); static int ext3_quota_on(struct super_block *sb, int type, int format_id, - char *path, int remount); + char *path); static int ext3_quota_on_mount(struct super_block *sb, int type); static ssize_t ext3_quota_read(struct super_block *sb, int type, char *data, size_t len, loff_t off); @@ -767,12 +769,12 @@ static const struct dquot_operations ext3_quota_operations = { static const struct quotactl_ops ext3_qctl_operations = { .quota_on = ext3_quota_on, - .quota_off = vfs_quota_off, - .quota_sync = vfs_quota_sync, - .get_info = vfs_get_dqinfo, - .set_info = vfs_set_dqinfo, - .get_dqblk = vfs_get_dqblk, - .set_dqblk = vfs_set_dqblk + .quota_off = dquot_quota_off, + .quota_sync = dquot_quota_sync, + .get_info = dquot_get_dqinfo, + .set_info = dquot_set_dqinfo, + .get_dqblk = dquot_get_dqblk, + .set_dqblk = dquot_set_dqblk }; #endif @@ -1527,7 +1529,7 @@ static void ext3_orphan_cleanup (struct super_block * sb, /* Turn quotas off */ for (i = 0; i < MAXQUOTAS; i++) { if (sb_dqopt(sb)->files[i]) - vfs_quota_off(sb, i, 0); + dquot_quota_off(sb, i); } #endif sb->s_flags = s_flags; /* Restore MS_RDONLY status */ @@ -2551,6 +2553,7 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data) ext3_fsblk_t n_blocks_count = 0; unsigned long old_sb_flags; struct ext3_mount_options old_opts; + int enable_quota = 0; int err; #ifdef CONFIG_QUOTA int i; @@ -2597,6 +2600,10 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data) } if (*flags & MS_RDONLY) { + err = dquot_suspend(sb, -1); + if (err < 0) + goto restore_opts; + /* * First of all, the unconditional stuff we have to do * to disable replay of the journal when we next remount @@ -2651,6 +2658,7 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data) goto restore_opts; if (!ext3_setup_super (sb, es, 0)) sb->s_flags &= ~MS_RDONLY; + enable_quota = 1; } } #ifdef CONFIG_QUOTA @@ -2662,6 +2670,9 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data) #endif unlock_super(sb); unlock_kernel(); + + if (enable_quota) + dquot_resume(sb, -1); return 0; restore_opts: sb->s_flags = old_sb_flags; @@ -2851,24 +2862,21 @@ static int ext3_write_info(struct super_block *sb, int type) */ static int ext3_quota_on_mount(struct super_block *sb, int type) { - return vfs_quota_on_mount(sb, EXT3_SB(sb)->s_qf_names[type], - EXT3_SB(sb)->s_jquota_fmt, type); + return dquot_quota_on_mount(sb, EXT3_SB(sb)->s_qf_names[type], + EXT3_SB(sb)->s_jquota_fmt, type); } /* * Standard function to be called on quota_on */ static int ext3_quota_on(struct super_block *sb, int type, int format_id, - char *name, int remount) + char *name) { int err; struct path path; if (!test_opt(sb, QUOTA)) return -EINVAL; - /* When remounting, no checks are needed and in fact, name is NULL */ - if (remount) - return vfs_quota_on(sb, type, format_id, name, remount); err = kern_path(name, LOOKUP_FOLLOW, &path); if (err) @@ -2906,7 +2914,7 @@ static int ext3_quota_on(struct super_block *sb, int type, int format_id, } } - err = vfs_quota_on_path(sb, type, format_id, &path); + err = dquot_quota_on_path(sb, type, format_id, &path); path_put(&path); return err; } diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 60bd31026e7c..19a4de57128a 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -1519,7 +1519,7 @@ extern int ext4_htree_store_dirent(struct file *dir_file, __u32 hash, extern void ext4_htree_free_dir_info(struct dir_private_info *p); /* fsync.c */ -extern int ext4_sync_file(struct file *, struct dentry *, int); +extern int ext4_sync_file(struct file *, int); /* hash.c */ extern int ext4fs_dirhash(const char *name, int len, struct diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c index b6a74f991bf4..592adf2e546e 100644 --- a/fs/ext4/fsync.c +++ b/fs/ext4/fsync.c @@ -71,9 +71,9 @@ static void ext4_sync_parent(struct inode *inode) * i_mutex lock is held when entering and exiting this function */ -int ext4_sync_file(struct file *file, struct dentry *dentry, int datasync) +int ext4_sync_file(struct file *file, int datasync) { - struct inode *inode = dentry->d_inode; + struct inode *inode = file->f_mapping->host; struct ext4_inode_info *ei = EXT4_I(inode); journal_t *journal = EXT4_SB(inode->i_sb)->s_journal; int ret; @@ -81,7 +81,7 @@ int ext4_sync_file(struct file *file, struct dentry *dentry, int datasync) J_ASSERT(ext4_journal_current_handle() == NULL); - trace_ext4_sync_file(file, dentry, datasync); + trace_ext4_sync_file(file, datasync); if (inode->i_sb->s_flags & MS_RDONLY) return 0; @@ -91,7 +91,7 @@ int ext4_sync_file(struct file *file, struct dentry *dentry, int datasync) return ret; if (!journal) { - ret = simple_fsync(file, dentry, datasync); + ret = generic_file_fsync(file, datasync); if (!ret && !list_empty(&inode->i_dentry)) ext4_sync_parent(inode); return ret; diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 49d88c0597c4..4e8983a9811b 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -646,6 +646,8 @@ static void ext4_put_super(struct super_block *sb) struct ext4_super_block *es = sbi->s_es; int i, err; + dquot_disable(sb, -1, DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED); + flush_workqueue(sbi->dio_unwritten_wq); destroy_workqueue(sbi->dio_unwritten_wq); @@ -1062,7 +1064,7 @@ static int ext4_release_dquot(struct dquot *dquot); static int ext4_mark_dquot_dirty(struct dquot *dquot); static int ext4_write_info(struct super_block *sb, int type); static int ext4_quota_on(struct super_block *sb, int type, int format_id, - char *path, int remount); + char *path); static int ext4_quota_on_mount(struct super_block *sb, int type); static ssize_t ext4_quota_read(struct super_block *sb, int type, char *data, size_t len, loff_t off); @@ -1084,12 +1086,12 @@ static const struct dquot_operations ext4_quota_operations = { static const struct quotactl_ops ext4_qctl_operations = { .quota_on = ext4_quota_on, - .quota_off = vfs_quota_off, - .quota_sync = vfs_quota_sync, - .get_info = vfs_get_dqinfo, - .set_info = vfs_set_dqinfo, - .get_dqblk = vfs_get_dqblk, - .set_dqblk = vfs_set_dqblk + .quota_off = dquot_quota_off, + .quota_sync = dquot_quota_sync, + .get_info = dquot_get_dqinfo, + .set_info = dquot_set_dqinfo, + .get_dqblk = dquot_get_dqblk, + .set_dqblk = dquot_set_dqblk }; #endif @@ -2054,7 +2056,7 @@ static void ext4_orphan_cleanup(struct super_block *sb, /* Turn quotas off */ for (i = 0; i < MAXQUOTAS; i++) { if (sb_dqopt(sb)->files[i]) - vfs_quota_off(sb, i, 0); + dquot_quota_off(sb, i); } #endif sb->s_flags = s_flags; /* Restore MS_RDONLY status */ @@ -3576,6 +3578,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data) ext4_fsblk_t n_blocks_count = 0; unsigned long old_sb_flags; struct ext4_mount_options old_opts; + int enable_quota = 0; ext4_group_t g; unsigned int journal_ioprio = DEFAULT_JOURNAL_IOPRIO; int err; @@ -3633,6 +3636,10 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data) } if (*flags & MS_RDONLY) { + err = dquot_suspend(sb, -1); + if (err < 0) + goto restore_opts; + /* * First of all, the unconditional stuff we have to do * to disable replay of the journal when we next remount @@ -3701,6 +3708,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data) goto restore_opts; if (!ext4_setup_super(sb, es, 0)) sb->s_flags &= ~MS_RDONLY; + enable_quota = 1; } } ext4_setup_system_zone(sb); @@ -3716,6 +3724,8 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data) #endif unlock_super(sb); unlock_kernel(); + if (enable_quota) + dquot_resume(sb, -1); ext4_msg(sb, KERN_INFO, "re-mounted. Opts: %s", orig_data); kfree(orig_data); @@ -3913,24 +3923,21 @@ static int ext4_write_info(struct super_block *sb, int type) */ static int ext4_quota_on_mount(struct super_block *sb, int type) { - return vfs_quota_on_mount(sb, EXT4_SB(sb)->s_qf_names[type], - EXT4_SB(sb)->s_jquota_fmt, type); + return dquot_quota_on_mount(sb, EXT4_SB(sb)->s_qf_names[type], + EXT4_SB(sb)->s_jquota_fmt, type); } /* * Standard function to be called on quota_on */ static int ext4_quota_on(struct super_block *sb, int type, int format_id, - char *name, int remount) + char *name) { int err; struct path path; if (!test_opt(sb, QUOTA)) return -EINVAL; - /* When remounting, no checks are needed and in fact, name is NULL */ - if (remount) - return vfs_quota_on(sb, type, format_id, name, remount); err = kern_path(name, LOOKUP_FOLLOW, &path); if (err) @@ -3969,7 +3976,7 @@ static int ext4_quota_on(struct super_block *sb, int type, int format_id, } } - err = vfs_quota_on_path(sb, type, format_id, &path); + err = dquot_quota_on_path(sb, type, format_id, &path); path_put(&path); return err; } diff --git a/fs/fat/fat.h b/fs/fat/fat.h index 53dba57b49a1..27ac25725954 100644 --- a/fs/fat/fat.h +++ b/fs/fat/fat.h @@ -306,11 +306,11 @@ extern long fat_generic_ioctl(struct file *filp, unsigned int cmd, extern const struct file_operations fat_file_operations; extern const struct inode_operations fat_file_inode_operations; extern int fat_setattr(struct dentry * dentry, struct iattr * attr); -extern void fat_truncate(struct inode *inode); +extern int fat_setsize(struct inode *inode, loff_t offset); +extern void fat_truncate_blocks(struct inode *inode, loff_t offset); extern int fat_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat); -extern int fat_file_fsync(struct file *file, struct dentry *dentry, - int datasync); +extern int fat_file_fsync(struct file *file, int datasync); /* fat/inode.c */ extern void fat_attach(struct inode *inode, loff_t i_pos); diff --git a/fs/fat/file.c b/fs/fat/file.c index a14c2f6a489e..990dfae022e5 100644 --- a/fs/fat/file.c +++ b/fs/fat/file.c @@ -149,12 +149,12 @@ static int fat_file_release(struct inode *inode, struct file *filp) return 0; } -int fat_file_fsync(struct file *filp, struct dentry *dentry, int datasync) +int fat_file_fsync(struct file *filp, int datasync) { - struct inode *inode = dentry->d_inode; + struct inode *inode = filp->f_mapping->host; int res, err; - res = simple_fsync(filp, dentry, datasync); + res = generic_file_fsync(filp, datasync); err = sync_mapping_buffers(MSDOS_SB(inode->i_sb)->fat_inode->i_mapping); return res ? res : err; @@ -283,7 +283,7 @@ static int fat_free(struct inode *inode, int skip) return fat_free_clusters(inode, free_start); } -void fat_truncate(struct inode *inode) +void fat_truncate_blocks(struct inode *inode, loff_t offset) { struct msdos_sb_info *sbi = MSDOS_SB(inode->i_sb); const unsigned int cluster_size = sbi->cluster_size; @@ -293,10 +293,10 @@ void fat_truncate(struct inode *inode) * This protects against truncating a file bigger than it was then * trying to write into the hole. */ - if (MSDOS_I(inode)->mmu_private > inode->i_size) - MSDOS_I(inode)->mmu_private = inode->i_size; + if (MSDOS_I(inode)->mmu_private > offset) + MSDOS_I(inode)->mmu_private = offset; - nr_clusters = (inode->i_size + (cluster_size - 1)) >> sbi->cluster_bits; + nr_clusters = (offset + (cluster_size - 1)) >> sbi->cluster_bits; fat_free(inode, nr_clusters); fat_flush_inodes(inode->i_sb, inode, NULL); @@ -364,6 +364,18 @@ static int fat_allow_set_time(struct msdos_sb_info *sbi, struct inode *inode) return 0; } +int fat_setsize(struct inode *inode, loff_t offset) +{ + int error; + + error = simple_setsize(inode, offset); + if (error) + return error; + fat_truncate_blocks(inode, offset); + + return error; +} + #define TIMES_SET_FLAGS (ATTR_MTIME_SET | ATTR_ATIME_SET | ATTR_TIMES_SET) /* valid file mode bits */ #define FAT_VALID_MODE (S_IFREG | S_IFDIR | S_IRWXUGO) @@ -378,7 +390,8 @@ int fat_setattr(struct dentry *dentry, struct iattr *attr) /* * Expand the file. Since inode_setattr() updates ->i_size * before calling the ->truncate(), but FAT needs to fill the - * hole before it. + * hole before it. XXX: this is no longer true with new truncate + * sequence. */ if (attr->ia_valid & ATTR_SIZE) { if (attr->ia_size > inode->i_size) { @@ -427,15 +440,20 @@ int fat_setattr(struct dentry *dentry, struct iattr *attr) attr->ia_valid &= ~ATTR_MODE; } - if (attr->ia_valid) - error = inode_setattr(inode, attr); + if (attr->ia_valid & ATTR_SIZE) { + error = fat_setsize(inode, attr->ia_size); + if (error) + goto out; + } + + generic_setattr(inode, attr); + mark_inode_dirty(inode); out: return error; } EXPORT_SYMBOL_GPL(fat_setattr); const struct inode_operations fat_file_inode_operations = { - .truncate = fat_truncate, .setattr = fat_setattr, .getattr = fat_getattr, }; diff --git a/fs/fat/inode.c b/fs/fat/inode.c index ed33904926ee..7bf45aee56d7 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -142,14 +142,29 @@ static int fat_readpages(struct file *file, struct address_space *mapping, return mpage_readpages(mapping, pages, nr_pages, fat_get_block); } +static void fat_write_failed(struct address_space *mapping, loff_t to) +{ + struct inode *inode = mapping->host; + + if (to > inode->i_size) { + truncate_pagecache(inode, to, inode->i_size); + fat_truncate_blocks(inode, inode->i_size); + } +} + static int fat_write_begin(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, struct page **pagep, void **fsdata) { + int err; + *pagep = NULL; - return cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata, - fat_get_block, + err = cont_write_begin_newtrunc(file, mapping, pos, len, flags, + pagep, fsdata, fat_get_block, &MSDOS_I(mapping->host)->mmu_private); + if (err < 0) + fat_write_failed(mapping, pos + len); + return err; } static int fat_write_end(struct file *file, struct address_space *mapping, @@ -159,6 +174,8 @@ static int fat_write_end(struct file *file, struct address_space *mapping, struct inode *inode = mapping->host; int err; err = generic_write_end(file, mapping, pos, len, copied, pagep, fsdata); + if (err < len) + fat_write_failed(mapping, pos + len); if (!(err < 0) && !(MSDOS_I(inode)->i_attrs & ATTR_ARCH)) { inode->i_mtime = inode->i_ctime = CURRENT_TIME_SEC; MSDOS_I(inode)->i_attrs |= ATTR_ARCH; @@ -172,7 +189,9 @@ static ssize_t fat_direct_IO(int rw, struct kiocb *iocb, loff_t offset, unsigned long nr_segs) { struct file *file = iocb->ki_filp; - struct inode *inode = file->f_mapping->host; + struct address_space *mapping = file->f_mapping; + struct inode *inode = mapping->host; + ssize_t ret; if (rw == WRITE) { /* @@ -193,8 +212,12 @@ static ssize_t fat_direct_IO(int rw, struct kiocb *iocb, * FAT need to use the DIO_LOCKING for avoiding the race * condition of fat_get_block() and ->truncate(). */ - return blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov, - offset, nr_segs, fat_get_block, NULL); + ret = blockdev_direct_IO_newtrunc(rw, iocb, inode, inode->i_sb->s_bdev, + iov, offset, nr_segs, fat_get_block, NULL); + if (ret < 0 && (rw & WRITE)) + fat_write_failed(mapping, offset + iov_length(iov, nr_segs)); + + return ret; } static sector_t _fat_bmap(struct address_space *mapping, sector_t block) @@ -429,7 +452,7 @@ static void fat_delete_inode(struct inode *inode) { truncate_inode_pages(&inode->i_data, 0); inode->i_size = 0; - fat_truncate(inode); + fat_truncate_blocks(inode, 0); clear_inode(inode); } diff --git a/fs/file_table.c b/fs/file_table.c index 32d12b78bac8..5c7d10ead4ad 100644 --- a/fs/file_table.c +++ b/fs/file_table.c @@ -194,14 +194,6 @@ struct file *alloc_file(struct path *path, fmode_t mode, } EXPORT_SYMBOL(alloc_file); -void fput(struct file *file) -{ - if (atomic_long_dec_and_test(&file->f_count)) - __fput(file); -} - -EXPORT_SYMBOL(fput); - /** * drop_file_write_access - give up ability to write to a file * @file: the file to which we will stop writing @@ -227,10 +219,9 @@ void drop_file_write_access(struct file *file) } EXPORT_SYMBOL_GPL(drop_file_write_access); -/* __fput is called from task context when aio completion releases the last - * last use of a struct file *. Do not use otherwise. +/* the real guts of fput() - releasing the last reference to file */ -void __fput(struct file *file) +static void __fput(struct file *file) { struct dentry *dentry = file->f_path.dentry; struct vfsmount *mnt = file->f_path.mnt; @@ -268,6 +259,14 @@ void __fput(struct file *file) mntput(mnt); } +void fput(struct file *file) +{ + if (atomic_long_dec_and_test(&file->f_count)) + __fput(file); +} + +EXPORT_SYMBOL(fput); + struct file *fget(unsigned int fd) { struct file *file; diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index e53df5ebb2b8..9424796d6634 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -16,6 +16,9 @@ #include <linux/pagemap.h> #include <linux/file.h> #include <linux/slab.h> +#include <linux/pipe_fs_i.h> +#include <linux/swap.h> +#include <linux/splice.h> MODULE_ALIAS_MISCDEV(FUSE_MINOR); MODULE_ALIAS("devname:fuse"); @@ -499,6 +502,9 @@ struct fuse_copy_state { int write; struct fuse_req *req; const struct iovec *iov; + struct pipe_buffer *pipebufs; + struct pipe_buffer *currbuf; + struct pipe_inode_info *pipe; unsigned long nr_segs; unsigned long seglen; unsigned long addr; @@ -506,16 +512,16 @@ struct fuse_copy_state { void *mapaddr; void *buf; unsigned len; + unsigned move_pages:1; }; static void fuse_copy_init(struct fuse_copy_state *cs, struct fuse_conn *fc, - int write, struct fuse_req *req, + int write, const struct iovec *iov, unsigned long nr_segs) { memset(cs, 0, sizeof(*cs)); cs->fc = fc; cs->write = write; - cs->req = req; cs->iov = iov; cs->nr_segs = nr_segs; } @@ -523,7 +529,18 @@ static void fuse_copy_init(struct fuse_copy_state *cs, struct fuse_conn *fc, /* Unmap and put previous page of userspace buffer */ static void fuse_copy_finish(struct fuse_copy_state *cs) { - if (cs->mapaddr) { + if (cs->currbuf) { + struct pipe_buffer *buf = cs->currbuf; + + if (!cs->write) { + buf->ops->unmap(cs->pipe, buf, cs->mapaddr); + } else { + kunmap_atomic(cs->mapaddr, KM_USER0); + buf->len = PAGE_SIZE - cs->len; + } + cs->currbuf = NULL; + cs->mapaddr = NULL; + } else if (cs->mapaddr) { kunmap_atomic(cs->mapaddr, KM_USER0); if (cs->write) { flush_dcache_page(cs->pg); @@ -545,26 +562,61 @@ static int fuse_copy_fill(struct fuse_copy_state *cs) unlock_request(cs->fc, cs->req); fuse_copy_finish(cs); - if (!cs->seglen) { - BUG_ON(!cs->nr_segs); - cs->seglen = cs->iov[0].iov_len; - cs->addr = (unsigned long) cs->iov[0].iov_base; - cs->iov++; - cs->nr_segs--; + if (cs->pipebufs) { + struct pipe_buffer *buf = cs->pipebufs; + + if (!cs->write) { + err = buf->ops->confirm(cs->pipe, buf); + if (err) + return err; + + BUG_ON(!cs->nr_segs); + cs->currbuf = buf; + cs->mapaddr = buf->ops->map(cs->pipe, buf, 1); + cs->len = buf->len; + cs->buf = cs->mapaddr + buf->offset; + cs->pipebufs++; + cs->nr_segs--; + } else { + struct page *page; + + if (cs->nr_segs == cs->pipe->buffers) + return -EIO; + + page = alloc_page(GFP_HIGHUSER); + if (!page) + return -ENOMEM; + + buf->page = page; + buf->offset = 0; + buf->len = 0; + + cs->currbuf = buf; + cs->mapaddr = kmap_atomic(page, KM_USER0); + cs->buf = cs->mapaddr; + cs->len = PAGE_SIZE; + cs->pipebufs++; + cs->nr_segs++; + } + } else { + if (!cs->seglen) { + BUG_ON(!cs->nr_segs); + cs->seglen = cs->iov[0].iov_len; + cs->addr = (unsigned long) cs->iov[0].iov_base; + cs->iov++; + cs->nr_segs--; + } + err = get_user_pages_fast(cs->addr, 1, cs->write, &cs->pg); + if (err < 0) + return err; + BUG_ON(err != 1); + offset = cs->addr % PAGE_SIZE; + cs->mapaddr = kmap_atomic(cs->pg, KM_USER0); + cs->buf = cs->mapaddr + offset; + cs->len = min(PAGE_SIZE - offset, cs->seglen); + cs->seglen -= cs->len; + cs->addr += cs->len; } - down_read(¤t->mm->mmap_sem); - err = get_user_pages(current, current->mm, cs->addr, 1, cs->write, 0, - &cs->pg, NULL); - up_read(¤t->mm->mmap_sem); - if (err < 0) - return err; - BUG_ON(err != 1); - offset = cs->addr % PAGE_SIZE; - cs->mapaddr = kmap_atomic(cs->pg, KM_USER0); - cs->buf = cs->mapaddr + offset; - cs->len = min(PAGE_SIZE - offset, cs->seglen); - cs->seglen -= cs->len; - cs->addr += cs->len; return lock_request(cs->fc, cs->req); } @@ -586,23 +638,178 @@ static int fuse_copy_do(struct fuse_copy_state *cs, void **val, unsigned *size) return ncpy; } +static int fuse_check_page(struct page *page) +{ + if (page_mapcount(page) || + page->mapping != NULL || + page_count(page) != 1 || + (page->flags & PAGE_FLAGS_CHECK_AT_PREP & + ~(1 << PG_locked | + 1 << PG_referenced | + 1 << PG_uptodate | + 1 << PG_lru | + 1 << PG_active | + 1 << PG_reclaim))) { + printk(KERN_WARNING "fuse: trying to steal weird page\n"); + printk(KERN_WARNING " page=%p index=%li flags=%08lx, count=%i, mapcount=%i, mapping=%p\n", page, page->index, page->flags, page_count(page), page_mapcount(page), page->mapping); + return 1; + } + return 0; +} + +static int fuse_try_move_page(struct fuse_copy_state *cs, struct page **pagep) +{ + int err; + struct page *oldpage = *pagep; + struct page *newpage; + struct pipe_buffer *buf = cs->pipebufs; + struct address_space *mapping; + pgoff_t index; + + unlock_request(cs->fc, cs->req); + fuse_copy_finish(cs); + + err = buf->ops->confirm(cs->pipe, buf); + if (err) + return err; + + BUG_ON(!cs->nr_segs); + cs->currbuf = buf; + cs->len = buf->len; + cs->pipebufs++; + cs->nr_segs--; + + if (cs->len != PAGE_SIZE) + goto out_fallback; + + if (buf->ops->steal(cs->pipe, buf) != 0) + goto out_fallback; + + newpage = buf->page; + + if (WARN_ON(!PageUptodate(newpage))) + return -EIO; + + ClearPageMappedToDisk(newpage); + + if (fuse_check_page(newpage) != 0) + goto out_fallback_unlock; + + mapping = oldpage->mapping; + index = oldpage->index; + + /* + * This is a new and locked page, it shouldn't be mapped or + * have any special flags on it + */ + if (WARN_ON(page_mapped(oldpage))) + goto out_fallback_unlock; + if (WARN_ON(page_has_private(oldpage))) + goto out_fallback_unlock; + if (WARN_ON(PageDirty(oldpage) || PageWriteback(oldpage))) + goto out_fallback_unlock; + if (WARN_ON(PageMlocked(oldpage))) + goto out_fallback_unlock; + + remove_from_page_cache(oldpage); + page_cache_release(oldpage); + + err = add_to_page_cache_locked(newpage, mapping, index, GFP_KERNEL); + if (err) { + printk(KERN_WARNING "fuse_try_move_page: failed to add page"); + goto out_fallback_unlock; + } + page_cache_get(newpage); + + if (!(buf->flags & PIPE_BUF_FLAG_LRU)) + lru_cache_add_file(newpage); + + err = 0; + spin_lock(&cs->fc->lock); + if (cs->req->aborted) + err = -ENOENT; + else + *pagep = newpage; + spin_unlock(&cs->fc->lock); + + if (err) { + unlock_page(newpage); + page_cache_release(newpage); + return err; + } + + unlock_page(oldpage); + page_cache_release(oldpage); + cs->len = 0; + + return 0; + +out_fallback_unlock: + unlock_page(newpage); +out_fallback: + cs->mapaddr = buf->ops->map(cs->pipe, buf, 1); + cs->buf = cs->mapaddr + buf->offset; + + err = lock_request(cs->fc, cs->req); + if (err) + return err; + + return 1; +} + +static int fuse_ref_page(struct fuse_copy_state *cs, struct page *page, + unsigned offset, unsigned count) +{ + struct pipe_buffer *buf; + + if (cs->nr_segs == cs->pipe->buffers) + return -EIO; + + unlock_request(cs->fc, cs->req); + fuse_copy_finish(cs); + + buf = cs->pipebufs; + page_cache_get(page); + buf->page = page; + buf->offset = offset; + buf->len = count; + + cs->pipebufs++; + cs->nr_segs++; + cs->len = 0; + + return 0; +} + /* * Copy a page in the request to/from the userspace buffer. Must be * done atomically */ -static int fuse_copy_page(struct fuse_copy_state *cs, struct page *page, +static int fuse_copy_page(struct fuse_copy_state *cs, struct page **pagep, unsigned offset, unsigned count, int zeroing) { + int err; + struct page *page = *pagep; + if (page && zeroing && count < PAGE_SIZE) { void *mapaddr = kmap_atomic(page, KM_USER1); memset(mapaddr, 0, PAGE_SIZE); kunmap_atomic(mapaddr, KM_USER1); } while (count) { - if (!cs->len) { - int err = fuse_copy_fill(cs); - if (err) - return err; + if (cs->write && cs->pipebufs && page) { + return fuse_ref_page(cs, page, offset, count); + } else if (!cs->len) { + if (cs->move_pages && page && + offset == 0 && count == PAGE_SIZE) { + err = fuse_try_move_page(cs, pagep); + if (err <= 0) + return err; + } else { + err = fuse_copy_fill(cs); + if (err) + return err; + } } if (page) { void *mapaddr = kmap_atomic(page, KM_USER1); @@ -627,8 +834,10 @@ static int fuse_copy_pages(struct fuse_copy_state *cs, unsigned nbytes, unsigned count = min(nbytes, (unsigned) PAGE_SIZE - offset); for (i = 0; i < req->num_pages && (nbytes || zeroing); i++) { - struct page *page = req->pages[i]; - int err = fuse_copy_page(cs, page, offset, count, zeroing); + int err; + + err = fuse_copy_page(cs, &req->pages[i], offset, count, + zeroing); if (err) return err; @@ -705,11 +914,10 @@ __acquires(&fc->lock) * * Called with fc->lock held, releases it */ -static int fuse_read_interrupt(struct fuse_conn *fc, struct fuse_req *req, - const struct iovec *iov, unsigned long nr_segs) +static int fuse_read_interrupt(struct fuse_conn *fc, struct fuse_copy_state *cs, + size_t nbytes, struct fuse_req *req) __releases(&fc->lock) { - struct fuse_copy_state cs; struct fuse_in_header ih; struct fuse_interrupt_in arg; unsigned reqsize = sizeof(ih) + sizeof(arg); @@ -725,14 +933,13 @@ __releases(&fc->lock) arg.unique = req->in.h.unique; spin_unlock(&fc->lock); - if (iov_length(iov, nr_segs) < reqsize) + if (nbytes < reqsize) return -EINVAL; - fuse_copy_init(&cs, fc, 1, NULL, iov, nr_segs); - err = fuse_copy_one(&cs, &ih, sizeof(ih)); + err = fuse_copy_one(cs, &ih, sizeof(ih)); if (!err) - err = fuse_copy_one(&cs, &arg, sizeof(arg)); - fuse_copy_finish(&cs); + err = fuse_copy_one(cs, &arg, sizeof(arg)); + fuse_copy_finish(cs); return err ? err : reqsize; } @@ -746,18 +953,13 @@ __releases(&fc->lock) * request_end(). Otherwise add it to the processing list, and set * the 'sent' flag. */ -static ssize_t fuse_dev_read(struct kiocb *iocb, const struct iovec *iov, - unsigned long nr_segs, loff_t pos) +static ssize_t fuse_dev_do_read(struct fuse_conn *fc, struct file *file, + struct fuse_copy_state *cs, size_t nbytes) { int err; struct fuse_req *req; struct fuse_in *in; - struct fuse_copy_state cs; unsigned reqsize; - struct file *file = iocb->ki_filp; - struct fuse_conn *fc = fuse_get_conn(file); - if (!fc) - return -EPERM; restart: spin_lock(&fc->lock); @@ -777,7 +979,7 @@ static ssize_t fuse_dev_read(struct kiocb *iocb, const struct iovec *iov, if (!list_empty(&fc->interrupts)) { req = list_entry(fc->interrupts.next, struct fuse_req, intr_entry); - return fuse_read_interrupt(fc, req, iov, nr_segs); + return fuse_read_interrupt(fc, cs, nbytes, req); } req = list_entry(fc->pending.next, struct fuse_req, list); @@ -787,7 +989,7 @@ static ssize_t fuse_dev_read(struct kiocb *iocb, const struct iovec *iov, in = &req->in; reqsize = in->h.len; /* If request is too large, reply with an error and restart the read */ - if (iov_length(iov, nr_segs) < reqsize) { + if (nbytes < reqsize) { req->out.h.error = -EIO; /* SETXATTR is special, since it may contain too large data */ if (in->h.opcode == FUSE_SETXATTR) @@ -796,12 +998,12 @@ static ssize_t fuse_dev_read(struct kiocb *iocb, const struct iovec *iov, goto restart; } spin_unlock(&fc->lock); - fuse_copy_init(&cs, fc, 1, req, iov, nr_segs); - err = fuse_copy_one(&cs, &in->h, sizeof(in->h)); + cs->req = req; + err = fuse_copy_one(cs, &in->h, sizeof(in->h)); if (!err) - err = fuse_copy_args(&cs, in->numargs, in->argpages, + err = fuse_copy_args(cs, in->numargs, in->argpages, (struct fuse_arg *) in->args, 0); - fuse_copy_finish(&cs); + fuse_copy_finish(cs); spin_lock(&fc->lock); req->locked = 0; if (req->aborted) { @@ -829,6 +1031,110 @@ static ssize_t fuse_dev_read(struct kiocb *iocb, const struct iovec *iov, return err; } +static ssize_t fuse_dev_read(struct kiocb *iocb, const struct iovec *iov, + unsigned long nr_segs, loff_t pos) +{ + struct fuse_copy_state cs; + struct file *file = iocb->ki_filp; + struct fuse_conn *fc = fuse_get_conn(file); + if (!fc) + return -EPERM; + + fuse_copy_init(&cs, fc, 1, iov, nr_segs); + + return fuse_dev_do_read(fc, file, &cs, iov_length(iov, nr_segs)); +} + +static int fuse_dev_pipe_buf_steal(struct pipe_inode_info *pipe, + struct pipe_buffer *buf) +{ + return 1; +} + +static const struct pipe_buf_operations fuse_dev_pipe_buf_ops = { + .can_merge = 0, + .map = generic_pipe_buf_map, + .unmap = generic_pipe_buf_unmap, + .confirm = generic_pipe_buf_confirm, + .release = generic_pipe_buf_release, + .steal = fuse_dev_pipe_buf_steal, + .get = generic_pipe_buf_get, +}; + +static ssize_t fuse_dev_splice_read(struct file *in, loff_t *ppos, + struct pipe_inode_info *pipe, + size_t len, unsigned int flags) +{ + int ret; + int page_nr = 0; + int do_wakeup = 0; + struct pipe_buffer *bufs; + struct fuse_copy_state cs; + struct fuse_conn *fc = fuse_get_conn(in); + if (!fc) + return -EPERM; + + bufs = kmalloc(pipe->buffers * sizeof (struct pipe_buffer), GFP_KERNEL); + if (!bufs) + return -ENOMEM; + + fuse_copy_init(&cs, fc, 1, NULL, 0); + cs.pipebufs = bufs; + cs.pipe = pipe; + ret = fuse_dev_do_read(fc, in, &cs, len); + if (ret < 0) + goto out; + + ret = 0; + pipe_lock(pipe); + + if (!pipe->readers) { + send_sig(SIGPIPE, current, 0); + if (!ret) + ret = -EPIPE; + goto out_unlock; + } + + if (pipe->nrbufs + cs.nr_segs > pipe->buffers) { + ret = -EIO; + goto out_unlock; + } + + while (page_nr < cs.nr_segs) { + int newbuf = (pipe->curbuf + pipe->nrbufs) & (pipe->buffers - 1); + struct pipe_buffer *buf = pipe->bufs + newbuf; + + buf->page = bufs[page_nr].page; + buf->offset = bufs[page_nr].offset; + buf->len = bufs[page_nr].len; + buf->ops = &fuse_dev_pipe_buf_ops; + + pipe->nrbufs++; + page_nr++; + ret += buf->len; + + if (pipe->inode) + do_wakeup = 1; + } + +out_unlock: + pipe_unlock(pipe); + + if (do_wakeup) { + smp_mb(); + if (waitqueue_active(&pipe->wait)) + wake_up_interruptible(&pipe->wait); + kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN); + } + +out: + for (; page_nr < cs.nr_segs; page_nr++) + page_cache_release(bufs[page_nr].page); + + kfree(bufs); + return ret; +} + static int fuse_notify_poll(struct fuse_conn *fc, unsigned int size, struct fuse_copy_state *cs) { @@ -988,23 +1294,17 @@ static int copy_out_args(struct fuse_copy_state *cs, struct fuse_out *out, * it from the list and copy the rest of the buffer to the request. * The request is finished by calling request_end() */ -static ssize_t fuse_dev_write(struct kiocb *iocb, const struct iovec *iov, - unsigned long nr_segs, loff_t pos) +static ssize_t fuse_dev_do_write(struct fuse_conn *fc, + struct fuse_copy_state *cs, size_t nbytes) { int err; - size_t nbytes = iov_length(iov, nr_segs); struct fuse_req *req; struct fuse_out_header oh; - struct fuse_copy_state cs; - struct fuse_conn *fc = fuse_get_conn(iocb->ki_filp); - if (!fc) - return -EPERM; - fuse_copy_init(&cs, fc, 0, NULL, iov, nr_segs); if (nbytes < sizeof(struct fuse_out_header)) return -EINVAL; - err = fuse_copy_one(&cs, &oh, sizeof(oh)); + err = fuse_copy_one(cs, &oh, sizeof(oh)); if (err) goto err_finish; @@ -1017,7 +1317,7 @@ static ssize_t fuse_dev_write(struct kiocb *iocb, const struct iovec *iov, * and error contains notification code. */ if (!oh.unique) { - err = fuse_notify(fc, oh.error, nbytes - sizeof(oh), &cs); + err = fuse_notify(fc, oh.error, nbytes - sizeof(oh), cs); return err ? err : nbytes; } @@ -1036,7 +1336,7 @@ static ssize_t fuse_dev_write(struct kiocb *iocb, const struct iovec *iov, if (req->aborted) { spin_unlock(&fc->lock); - fuse_copy_finish(&cs); + fuse_copy_finish(cs); spin_lock(&fc->lock); request_end(fc, req); return -ENOENT; @@ -1053,7 +1353,7 @@ static ssize_t fuse_dev_write(struct kiocb *iocb, const struct iovec *iov, queue_interrupt(fc, req); spin_unlock(&fc->lock); - fuse_copy_finish(&cs); + fuse_copy_finish(cs); return nbytes; } @@ -1061,11 +1361,13 @@ static ssize_t fuse_dev_write(struct kiocb *iocb, const struct iovec *iov, list_move(&req->list, &fc->io); req->out.h = oh; req->locked = 1; - cs.req = req; + cs->req = req; + if (!req->out.page_replace) + cs->move_pages = 0; spin_unlock(&fc->lock); - err = copy_out_args(&cs, &req->out, nbytes); - fuse_copy_finish(&cs); + err = copy_out_args(cs, &req->out, nbytes); + fuse_copy_finish(cs); spin_lock(&fc->lock); req->locked = 0; @@ -1081,10 +1383,101 @@ static ssize_t fuse_dev_write(struct kiocb *iocb, const struct iovec *iov, err_unlock: spin_unlock(&fc->lock); err_finish: - fuse_copy_finish(&cs); + fuse_copy_finish(cs); return err; } +static ssize_t fuse_dev_write(struct kiocb *iocb, const struct iovec *iov, + unsigned long nr_segs, loff_t pos) +{ + struct fuse_copy_state cs; + struct fuse_conn *fc = fuse_get_conn(iocb->ki_filp); + if (!fc) + return -EPERM; + + fuse_copy_init(&cs, fc, 0, iov, nr_segs); + + return fuse_dev_do_write(fc, &cs, iov_length(iov, nr_segs)); +} + +static ssize_t fuse_dev_splice_write(struct pipe_inode_info *pipe, + struct file *out, loff_t *ppos, + size_t len, unsigned int flags) +{ + unsigned nbuf; + unsigned idx; + struct pipe_buffer *bufs; + struct fuse_copy_state cs; + struct fuse_conn *fc; + size_t rem; + ssize_t ret; + + fc = fuse_get_conn(out); + if (!fc) + return -EPERM; + + bufs = kmalloc(pipe->buffers * sizeof (struct pipe_buffer), GFP_KERNEL); + if (!bufs) + return -ENOMEM; + + pipe_lock(pipe); + nbuf = 0; + rem = 0; + for (idx = 0; idx < pipe->nrbufs && rem < len; idx++) + rem += pipe->bufs[(pipe->curbuf + idx) & (pipe->buffers - 1)].len; + + ret = -EINVAL; + if (rem < len) { + pipe_unlock(pipe); + goto out; + } + + rem = len; + while (rem) { + struct pipe_buffer *ibuf; + struct pipe_buffer *obuf; + + BUG_ON(nbuf >= pipe->buffers); + BUG_ON(!pipe->nrbufs); + ibuf = &pipe->bufs[pipe->curbuf]; + obuf = &bufs[nbuf]; + + if (rem >= ibuf->len) { + *obuf = *ibuf; + ibuf->ops = NULL; + pipe->curbuf = (pipe->curbuf + 1) & (pipe->buffers - 1); + pipe->nrbufs--; + } else { + ibuf->ops->get(pipe, ibuf); + *obuf = *ibuf; + obuf->flags &= ~PIPE_BUF_FLAG_GIFT; + obuf->len = rem; + ibuf->offset += obuf->len; + ibuf->len -= obuf->len; + } + nbuf++; + rem -= obuf->len; + } + pipe_unlock(pipe); + + fuse_copy_init(&cs, fc, 0, NULL, nbuf); + cs.pipebufs = bufs; + cs.pipe = pipe; + + if (flags & SPLICE_F_MOVE) + cs.move_pages = 1; + + ret = fuse_dev_do_write(fc, &cs, len); + + for (idx = 0; idx < nbuf; idx++) { + struct pipe_buffer *buf = &bufs[idx]; + buf->ops->release(pipe, buf); + } +out: + kfree(bufs); + return ret; +} + static unsigned fuse_dev_poll(struct file *file, poll_table *wait) { unsigned mask = POLLOUT | POLLWRNORM; @@ -1226,8 +1619,10 @@ const struct file_operations fuse_dev_operations = { .llseek = no_llseek, .read = do_sync_read, .aio_read = fuse_dev_read, + .splice_read = fuse_dev_splice_read, .write = do_sync_write, .aio_write = fuse_dev_write, + .splice_write = fuse_dev_splice_write, .poll = fuse_dev_poll, .release = fuse_dev_release, .fasync = fuse_dev_fasync, diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index 4787ae6c5c1c..3cdc5f78a406 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -1156,10 +1156,9 @@ static int fuse_dir_release(struct inode *inode, struct file *file) return 0; } -static int fuse_dir_fsync(struct file *file, struct dentry *de, int datasync) +static int fuse_dir_fsync(struct file *file, int datasync) { - /* nfsd can call this with no file */ - return file ? fuse_fsync_common(file, de, datasync, 1) : 0; + return fuse_fsync_common(file, datasync, 1); } static bool update_mtime(unsigned ivalid) diff --git a/fs/fuse/file.c b/fs/fuse/file.c index a9f5e137f1d3..ada0adeb3bb5 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -351,10 +351,9 @@ static void fuse_sync_writes(struct inode *inode) fuse_release_nowrite(inode); } -int fuse_fsync_common(struct file *file, struct dentry *de, int datasync, - int isdir) +int fuse_fsync_common(struct file *file, int datasync, int isdir) { - struct inode *inode = de->d_inode; + struct inode *inode = file->f_mapping->host; struct fuse_conn *fc = get_fuse_conn(inode); struct fuse_file *ff = file->private_data; struct fuse_req *req; @@ -403,9 +402,9 @@ int fuse_fsync_common(struct file *file, struct dentry *de, int datasync, return err; } -static int fuse_fsync(struct file *file, struct dentry *de, int datasync) +static int fuse_fsync(struct file *file, int datasync) { - return fuse_fsync_common(file, de, datasync, 0); + return fuse_fsync_common(file, datasync, 0); } void fuse_read_fill(struct fuse_req *req, struct file *file, loff_t pos, @@ -517,17 +516,26 @@ static void fuse_readpages_end(struct fuse_conn *fc, struct fuse_req *req) int i; size_t count = req->misc.read.in.size; size_t num_read = req->out.args[0].size; - struct inode *inode = req->pages[0]->mapping->host; + struct address_space *mapping = NULL; - /* - * Short read means EOF. If file size is larger, truncate it - */ - if (!req->out.h.error && num_read < count) { - loff_t pos = page_offset(req->pages[0]) + num_read; - fuse_read_update_size(inode, pos, req->misc.read.attr_ver); - } + for (i = 0; mapping == NULL && i < req->num_pages; i++) + mapping = req->pages[i]->mapping; - fuse_invalidate_attr(inode); /* atime changed */ + if (mapping) { + struct inode *inode = mapping->host; + + /* + * Short read means EOF. If file size is larger, truncate it + */ + if (!req->out.h.error && num_read < count) { + loff_t pos; + + pos = page_offset(req->pages[0]) + num_read; + fuse_read_update_size(inode, pos, + req->misc.read.attr_ver); + } + fuse_invalidate_attr(inode); /* atime changed */ + } for (i = 0; i < req->num_pages; i++) { struct page *page = req->pages[i]; @@ -536,6 +544,7 @@ static void fuse_readpages_end(struct fuse_conn *fc, struct fuse_req *req) else SetPageError(page); unlock_page(page); + page_cache_release(page); } if (req->ff) fuse_file_put(req->ff); @@ -550,6 +559,7 @@ static void fuse_send_readpages(struct fuse_req *req, struct file *file) req->out.argpages = 1; req->out.page_zeroing = 1; + req->out.page_replace = 1; fuse_read_fill(req, file, pos, count, FUSE_READ); req->misc.read.attr_ver = fuse_get_attr_version(fc); if (fc->async_read) { @@ -589,6 +599,7 @@ static int fuse_readpages_fill(void *_data, struct page *page) return PTR_ERR(req); } } + page_cache_get(page); req->pages[req->num_pages] = page; req->num_pages++; return 0; @@ -994,10 +1005,7 @@ static int fuse_get_user_pages(struct fuse_req *req, const char __user *buf, nbytes = min_t(size_t, nbytes, FUSE_MAX_PAGES_PER_REQ << PAGE_SHIFT); npages = (nbytes + offset + PAGE_SIZE - 1) >> PAGE_SHIFT; npages = clamp(npages, 1, FUSE_MAX_PAGES_PER_REQ); - down_read(¤t->mm->mmap_sem); - npages = get_user_pages(current, current->mm, user_addr, npages, !write, - 0, req->pages, NULL); - up_read(¤t->mm->mmap_sem); + npages = get_user_pages_fast(user_addr, npages, !write, req->pages); if (npages < 0) return npages; @@ -1580,9 +1588,9 @@ static int fuse_ioctl_copy_user(struct page **pages, struct iovec *iov, while (iov_iter_count(&ii)) { struct page *page = pages[page_idx++]; size_t todo = min_t(size_t, PAGE_SIZE, iov_iter_count(&ii)); - void *kaddr, *map; + void *kaddr; - kaddr = map = kmap(page); + kaddr = kmap(page); while (todo) { char __user *uaddr = ii.iov->iov_base + ii.iov_offset; diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index 01cc462ff45d..8f309f04064e 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -177,6 +177,9 @@ struct fuse_out { /** Zero partially or not copied pages */ unsigned page_zeroing:1; + /** Pages may be replaced with new ones */ + unsigned page_replace:1; + /** Number or arguments */ unsigned numargs; @@ -568,8 +571,7 @@ void fuse_release_common(struct file *file, int opcode); /** * Send FSYNC or FSYNCDIR request */ -int fuse_fsync_common(struct file *file, struct dentry *de, int datasync, - int isdir); +int fuse_fsync_common(struct file *file, int datasync, int isdir); /** * Notify poll wakeup diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c index a739a0a48067..9f8b52500d63 100644 --- a/fs/gfs2/aops.c +++ b/fs/gfs2/aops.c @@ -700,8 +700,14 @@ out: return 0; page_cache_release(page); + + /* + * XXX(hch): the call below should probably be replaced with + * a call to the gfs2-specific truncate blocks helper to actually + * release disk blocks.. + */ if (pos + len > ip->i_inode.i_size) - vmtruncate(&ip->i_inode, ip->i_inode.i_size); + simple_setsize(&ip->i_inode, ip->i_inode.i_size); out_endtrans: gfs2_trans_end(sdp); out_trans_fail: diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c index b20bfcc9fa2d..ed9a94f0ef15 100644 --- a/fs/gfs2/file.c +++ b/fs/gfs2/file.c @@ -554,9 +554,9 @@ static int gfs2_close(struct inode *inode, struct file *file) * Returns: errno */ -static int gfs2_fsync(struct file *file, struct dentry *dentry, int datasync) +static int gfs2_fsync(struct file *file, int datasync) { - struct inode *inode = dentry->d_inode; + struct inode *inode = file->f_mapping->host; int sync_state = inode->i_state & (I_DIRTY_SYNC|I_DIRTY_DATASYNC); int ret = 0; diff --git a/fs/gfs2/ops_inode.c b/fs/gfs2/ops_inode.c index 4e64352d49de..98cdd05f3316 100644 --- a/fs/gfs2/ops_inode.c +++ b/fs/gfs2/ops_inode.c @@ -1071,6 +1071,9 @@ int gfs2_permission(struct inode *inode, int mask) return error; } +/* + * XXX: should be changed to have proper ordering by opencoding simple_setsize + */ static int setattr_size(struct inode *inode, struct iattr *attr) { struct gfs2_inode *ip = GFS2_I(inode); @@ -1081,7 +1084,7 @@ static int setattr_size(struct inode *inode, struct iattr *attr) error = gfs2_trans_begin(sdp, 0, sdp->sd_jdesc->jd_blocks); if (error) return error; - error = vmtruncate(inode, attr->ia_size); + error = simple_setsize(inode, attr->ia_size); gfs2_trans_end(sdp); if (error) return error; diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c index 3a029d8f4cf1..87ac1891a185 100644 --- a/fs/hostfs/hostfs_kern.c +++ b/fs/hostfs/hostfs_kern.c @@ -411,9 +411,9 @@ int hostfs_file_open(struct inode *ino, struct file *file) return 0; } -int hostfs_fsync(struct file *file, struct dentry *dentry, int datasync) +int hostfs_fsync(struct file *file, int datasync) { - return fsync_file(HOSTFS_I(dentry->d_inode)->fd, datasync); + return fsync_file(HOSTFS_I(file->f_mapping->host)->fd, datasync); } static const struct file_operations hostfs_file_fops = { diff --git a/fs/hpfs/file.c b/fs/hpfs/file.c index 3efabff00367..a9ae9bfa752f 100644 --- a/fs/hpfs/file.c +++ b/fs/hpfs/file.c @@ -19,9 +19,9 @@ static int hpfs_file_release(struct inode *inode, struct file *file) return 0; } -int hpfs_file_fsync(struct file *file, struct dentry *dentry, int datasync) +int hpfs_file_fsync(struct file *file, int datasync) { - /*return file_fsync(file, dentry);*/ + /*return file_fsync(file, datasync);*/ return 0; /* Don't fsync :-) */ } diff --git a/fs/hpfs/hpfs_fn.h b/fs/hpfs/hpfs_fn.h index 97bf738cd5d6..75f9d4324851 100644 --- a/fs/hpfs/hpfs_fn.h +++ b/fs/hpfs/hpfs_fn.h @@ -268,7 +268,7 @@ void hpfs_set_ea(struct inode *, struct fnode *, const char *, /* file.c */ -int hpfs_file_fsync(struct file *, struct dentry *, int); +int hpfs_file_fsync(struct file *, int); extern const struct file_operations hpfs_file_ops; extern const struct inode_operations hpfs_file_iops; extern const struct address_space_operations hpfs_aops; diff --git a/fs/hppfs/hppfs.c b/fs/hppfs/hppfs.c index 2e4dfa8593da..826c3f9d29ac 100644 --- a/fs/hppfs/hppfs.c +++ b/fs/hppfs/hppfs.c @@ -587,7 +587,7 @@ static int hppfs_readdir(struct file *file, void *ent, filldir_t filldir) return err; } -static int hppfs_fsync(struct file *file, struct dentry *dentry, int datasync) +static int hppfs_fsync(struct file *file, int datasync) { return 0; } diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index a0bbd3d1b41a..a4e9a7ec3691 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -688,7 +688,7 @@ static void init_once(void *foo) const struct file_operations hugetlbfs_file_operations = { .read = hugetlbfs_read, .mmap = hugetlbfs_file_mmap, - .fsync = simple_sync_file, + .fsync = noop_fsync, .get_unmapped_area = hugetlb_get_unmapped_area, }; diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c index e7291c161a19..813497024437 100644 --- a/fs/jffs2/file.c +++ b/fs/jffs2/file.c @@ -26,9 +26,9 @@ static int jffs2_write_begin(struct file *filp, struct address_space *mapping, struct page **pagep, void **fsdata); static int jffs2_readpage (struct file *filp, struct page *pg); -int jffs2_fsync(struct file *filp, struct dentry *dentry, int datasync) +int jffs2_fsync(struct file *filp, int datasync) { - struct inode *inode = dentry->d_inode; + struct inode *inode = filp->f_mapping->host; struct jffs2_sb_info *c = JFFS2_SB_INFO(inode->i_sb); /* Trigger GC to flush any pending writes for this inode */ diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c index 86e0821fc989..8bc2c80ab159 100644 --- a/fs/jffs2/fs.c +++ b/fs/jffs2/fs.c @@ -169,13 +169,13 @@ int jffs2_do_setattr (struct inode *inode, struct iattr *iattr) mutex_unlock(&f->sem); jffs2_complete_reservation(c); - /* We have to do the vmtruncate() without f->sem held, since + /* We have to do the simple_setsize() without f->sem held, since some pages may be locked and waiting for it in readpage(). We are protected from a simultaneous write() extending i_size back past iattr->ia_size, because do_truncate() holds the generic inode semaphore. */ if (ivalid & ATTR_SIZE && inode->i_size > iattr->ia_size) { - vmtruncate(inode, iattr->ia_size); + simple_setsize(inode, iattr->ia_size); inode->i_blocks = (inode->i_size + 511) >> 9; } diff --git a/fs/jffs2/os-linux.h b/fs/jffs2/os-linux.h index 035a767f958b..4791aacf3084 100644 --- a/fs/jffs2/os-linux.h +++ b/fs/jffs2/os-linux.h @@ -158,7 +158,7 @@ extern const struct inode_operations jffs2_dir_inode_operations; extern const struct file_operations jffs2_file_operations; extern const struct inode_operations jffs2_file_inode_operations; extern const struct address_space_operations jffs2_file_address_operations; -int jffs2_fsync(struct file *, struct dentry *, int); +int jffs2_fsync(struct file *, int); int jffs2_do_readpage_unlock (struct inode *inode, struct page *pg); /* ioctl.c */ diff --git a/fs/jfs/file.c b/fs/jfs/file.c index 85d9ec659225..127263cc8657 100644 --- a/fs/jfs/file.c +++ b/fs/jfs/file.c @@ -27,9 +27,9 @@ #include "jfs_acl.h" #include "jfs_debug.h" -int jfs_fsync(struct file *file, struct dentry *dentry, int datasync) +int jfs_fsync(struct file *file, int datasync) { - struct inode *inode = dentry->d_inode; + struct inode *inode = file->f_mapping->host; int rc = 0; if (!(inode->i_state & I_DIRTY) || diff --git a/fs/jfs/jfs_inode.h b/fs/jfs/jfs_inode.h index 9e6bda30a6e8..11042b1f44b5 100644 --- a/fs/jfs/jfs_inode.h +++ b/fs/jfs/jfs_inode.h @@ -21,7 +21,7 @@ struct fid; extern struct inode *ialloc(struct inode *, umode_t); -extern int jfs_fsync(struct file *, struct dentry *, int); +extern int jfs_fsync(struct file *, int); extern long jfs_ioctl(struct file *, unsigned int, unsigned long); extern long jfs_compat_ioctl(struct file *, unsigned int, unsigned long); extern struct inode *jfs_iget(struct super_block *, unsigned long); diff --git a/fs/jfs/super.c b/fs/jfs/super.c index b66832ac33ac..b38f96bef829 100644 --- a/fs/jfs/super.c +++ b/fs/jfs/super.c @@ -179,6 +179,8 @@ static void jfs_put_super(struct super_block *sb) jfs_info("In jfs_put_super"); + dquot_disable(sb, -1, DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED); + lock_kernel(); rc = jfs_umount(sb); @@ -396,10 +398,20 @@ static int jfs_remount(struct super_block *sb, int *flags, char *data) JFS_SBI(sb)->flag = flag; ret = jfs_mount_rw(sb, 1); + + /* mark the fs r/w for quota activity */ + sb->s_flags &= ~MS_RDONLY; + unlock_kernel(); + dquot_resume(sb, -1); return ret; } if ((!(sb->s_flags & MS_RDONLY)) && (*flags & MS_RDONLY)) { + rc = dquot_suspend(sb, -1); + if (rc < 0) { + unlock_kernel(); + return rc; + } rc = jfs_umount_rw(sb); JFS_SBI(sb)->flag = flag; unlock_kernel(); @@ -469,6 +481,10 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent) */ sb->s_op = &jfs_super_operations; sb->s_export_op = &jfs_export_operations; +#ifdef CONFIG_QUOTA + sb->dq_op = &dquot_operations; + sb->s_qcop = &dquot_quotactl_ops; +#endif /* * Initialize direct-mapping inode/address-space diff --git a/fs/libfs.c b/fs/libfs.c index 232bea425b09..09e1016eb774 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -8,6 +8,7 @@ #include <linux/slab.h> #include <linux/mount.h> #include <linux/vfs.h> +#include <linux/quotaops.h> #include <linux/mutex.h> #include <linux/exportfs.h> #include <linux/writeback.h> @@ -58,11 +59,6 @@ struct dentry *simple_lookup(struct inode *dir, struct dentry *dentry, struct na return NULL; } -int simple_sync_file(struct file * file, struct dentry *dentry, int datasync) -{ - return 0; -} - int dcache_dir_open(struct inode *inode, struct file *file) { static struct qstr cursor_name = {.len = 1, .name = "."}; @@ -190,7 +186,7 @@ const struct file_operations simple_dir_operations = { .llseek = dcache_dir_lseek, .read = generic_read_dir, .readdir = dcache_readdir, - .fsync = simple_sync_file, + .fsync = noop_fsync, }; const struct inode_operations simple_dir_inode_operations = { @@ -330,6 +326,81 @@ int simple_rename(struct inode *old_dir, struct dentry *old_dentry, return 0; } +/** + * simple_setsize - handle core mm and vfs requirements for file size change + * @inode: inode + * @newsize: new file size + * + * Returns 0 on success, -error on failure. + * + * simple_setsize must be called with inode_mutex held. + * + * simple_setsize will check that the requested new size is OK (see + * inode_newsize_ok), and then will perform the necessary i_size update + * and pagecache truncation (if necessary). It will be typically be called + * from the filesystem's setattr function when ATTR_SIZE is passed in. + * + * The inode itself must have correct permissions and attributes to allow + * i_size to be changed, this function then just checks that the new size + * requested is valid. + * + * In the case of simple in-memory filesystems with inodes stored solely + * in the inode cache, and file data in the pagecache, nothing more needs + * to be done to satisfy a truncate request. Filesystems with on-disk + * blocks for example will need to free them in the case of truncate, in + * that case it may be easier not to use simple_setsize (but each of its + * components will likely be required at some point to update pagecache + * and inode etc). + */ +int simple_setsize(struct inode *inode, loff_t newsize) +{ + loff_t oldsize; + int error; + + error = inode_newsize_ok(inode, newsize); + if (error) + return error; + + oldsize = inode->i_size; + i_size_write(inode, newsize); + truncate_pagecache(inode, oldsize, newsize); + + return error; +} +EXPORT_SYMBOL(simple_setsize); + +/** + * simple_setattr - setattr for simple in-memory filesystem + * @dentry: dentry + * @iattr: iattr structure + * + * Returns 0 on success, -error on failure. + * + * simple_setattr implements setattr for an in-memory filesystem which + * does not store its own file data or metadata (eg. uses the page cache + * and inode cache as its data store). + */ +int simple_setattr(struct dentry *dentry, struct iattr *iattr) +{ + struct inode *inode = dentry->d_inode; + int error; + + error = inode_change_ok(inode, iattr); + if (error) + return error; + + if (iattr->ia_valid & ATTR_SIZE) { + error = simple_setsize(inode, iattr->ia_size); + if (error) + return error; + } + + generic_setattr(inode, iattr); + + return error; +} +EXPORT_SYMBOL(simple_setattr); + int simple_readpage(struct file *file, struct page *page) { clear_highpage(page); @@ -851,13 +922,22 @@ struct dentry *generic_fh_to_parent(struct super_block *sb, struct fid *fid, } EXPORT_SYMBOL_GPL(generic_fh_to_parent); -int simple_fsync(struct file *file, struct dentry *dentry, int datasync) +/** + * generic_file_fsync - generic fsync implementation for simple filesystems + * @file: file to synchronize + * @datasync: only synchronize essential metadata if true + * + * This is a generic implementation of the fsync method for simple + * filesystems which track all non-inode metadata in the buffers list + * hanging off the address_space structure. + */ +int generic_file_fsync(struct file *file, int datasync) { struct writeback_control wbc = { .sync_mode = WB_SYNC_ALL, .nr_to_write = 0, /* metadata-only; caller takes care of data */ }; - struct inode *inode = dentry->d_inode; + struct inode *inode = file->f_mapping->host; int err; int ret; @@ -872,7 +952,15 @@ int simple_fsync(struct file *file, struct dentry *dentry, int datasync) ret = err; return ret; } -EXPORT_SYMBOL(simple_fsync); +EXPORT_SYMBOL(generic_file_fsync); + +/* + * No-op implementation of ->fsync for in-memory filesystems. + */ +int noop_fsync(struct file *file, int datasync) +{ + return 0; +} EXPORT_SYMBOL(dcache_dir_close); EXPORT_SYMBOL(dcache_dir_lseek); @@ -895,7 +983,7 @@ EXPORT_SYMBOL(simple_release_fs); EXPORT_SYMBOL(simple_rename); EXPORT_SYMBOL(simple_rmdir); EXPORT_SYMBOL(simple_statfs); -EXPORT_SYMBOL(simple_sync_file); +EXPORT_SYMBOL(noop_fsync); EXPORT_SYMBOL(simple_unlink); EXPORT_SYMBOL(simple_read_from_buffer); EXPORT_SYMBOL(simple_write_to_buffer); diff --git a/fs/logfs/dir.c b/fs/logfs/dir.c index 72d1893ddd36..e780b659b4c5 100644 --- a/fs/logfs/dir.c +++ b/fs/logfs/dir.c @@ -821,7 +821,7 @@ const struct inode_operations logfs_dir_iops = { }; const struct file_operations logfs_dir_fops = { .fsync = logfs_fsync, - .ioctl = logfs_ioctl, + .unlocked_ioctl = logfs_ioctl, .readdir = logfs_readdir, .read = generic_read_dir, }; diff --git a/fs/logfs/file.c b/fs/logfs/file.c index 0de524071870..0f91548383e0 100644 --- a/fs/logfs/file.c +++ b/fs/logfs/file.c @@ -181,9 +181,9 @@ static int logfs_releasepage(struct page *page, gfp_t only_xfs_uses_this) } -int logfs_ioctl(struct inode *inode, struct file *file, unsigned int cmd, - unsigned long arg) +long logfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { + struct inode *inode = file->f_path.dentry->d_inode; struct logfs_inode *li = logfs_inode(inode); unsigned int oldflags, flags; int err; @@ -219,9 +219,9 @@ int logfs_ioctl(struct inode *inode, struct file *file, unsigned int cmd, } } -int logfs_fsync(struct file *file, struct dentry *dentry, int datasync) +int logfs_fsync(struct file *file, int datasync) { - struct super_block *sb = dentry->d_inode->i_sb; + struct super_block *sb = file->f_mapping->host->i_sb; logfs_write_anchor(sb); return 0; @@ -251,7 +251,7 @@ const struct file_operations logfs_reg_fops = { .aio_read = generic_file_aio_read, .aio_write = generic_file_aio_write, .fsync = logfs_fsync, - .ioctl = logfs_ioctl, + .unlocked_ioctl = logfs_ioctl, .llseek = generic_file_llseek, .mmap = generic_file_readonly_mmap, .open = generic_file_open, diff --git a/fs/logfs/logfs.h b/fs/logfs/logfs.h index 1a9db84f8d8f..a6e8487e3844 100644 --- a/fs/logfs/logfs.h +++ b/fs/logfs/logfs.h @@ -504,9 +504,9 @@ extern const struct inode_operations logfs_reg_iops; extern const struct file_operations logfs_reg_fops; extern const struct address_space_operations logfs_reg_aops; int logfs_readpage(struct file *file, struct page *page); -int logfs_ioctl(struct inode *inode, struct file *file, unsigned int cmd, - unsigned long arg); -int logfs_fsync(struct file *file, struct dentry *dentry, int datasync); +long logfs_ioctl(struct file *file, unsigned int cmd, + unsigned long arg); +int logfs_fsync(struct file *file, int datasync); /* gc.c */ u32 get_best_cand(struct super_block *sb, struct candidate_list *list, u32 *ec); diff --git a/fs/minix/dir.c b/fs/minix/dir.c index 6198731d7fcd..91969589131c 100644 --- a/fs/minix/dir.c +++ b/fs/minix/dir.c @@ -22,7 +22,7 @@ const struct file_operations minix_dir_operations = { .llseek = generic_file_llseek, .read = generic_read_dir, .readdir = minix_readdir, - .fsync = simple_fsync, + .fsync = generic_file_fsync, }; static inline void dir_put_page(struct page *page) @@ -72,11 +72,8 @@ static struct page * dir_get_page(struct inode *dir, unsigned long n) { struct address_space *mapping = dir->i_mapping; struct page *page = read_mapping_page(mapping, n, NULL); - if (!IS_ERR(page)) { + if (!IS_ERR(page)) kmap(page); - if (!PageUptodate(page)) - goto fail; - } return page; fail: diff --git a/fs/minix/file.c b/fs/minix/file.c index 3eec3e607a87..d5320ff23faf 100644 --- a/fs/minix/file.c +++ b/fs/minix/file.c @@ -19,7 +19,7 @@ const struct file_operations minix_file_operations = { .write = do_sync_write, .aio_write = generic_file_aio_write, .mmap = generic_file_mmap, - .fsync = simple_fsync, + .fsync = generic_file_fsync, .splice_read = generic_file_splice_read, }; diff --git a/fs/minix/itree_v2.c b/fs/minix/itree_v2.c index f23010969369..13487ad16894 100644 --- a/fs/minix/itree_v2.c +++ b/fs/minix/itree_v2.c @@ -20,6 +20,9 @@ static inline block_t *i_data(struct inode *inode) return (block_t *)minix_i(inode)->u.i2_data; } +#define DIRCOUNT 7 +#define INDIRCOUNT(sb) (1 << ((sb)->s_blocksize_bits - 2)) + static int block_to_path(struct inode * inode, long block, int offsets[DEPTH]) { int n = 0; @@ -34,21 +37,21 @@ static int block_to_path(struct inode * inode, long block, int offsets[DEPTH]) printk("MINIX-fs: block_to_path: " "block %ld too big on dev %s\n", block, bdevname(sb->s_bdev, b)); - } else if (block < 7) { + } else if (block < DIRCOUNT) { offsets[n++] = block; - } else if ((block -= 7) < 256) { - offsets[n++] = 7; + } else if ((block -= DIRCOUNT) < INDIRCOUNT(sb)) { + offsets[n++] = DIRCOUNT; offsets[n++] = block; - } else if ((block -= 256) < 256*256) { - offsets[n++] = 8; - offsets[n++] = block>>8; - offsets[n++] = block & 255; + } else if ((block -= INDIRCOUNT(sb)) < INDIRCOUNT(sb) * INDIRCOUNT(sb)) { + offsets[n++] = DIRCOUNT + 1; + offsets[n++] = block / INDIRCOUNT(sb); + offsets[n++] = block % INDIRCOUNT(sb); } else { - block -= 256*256; - offsets[n++] = 9; - offsets[n++] = block>>16; - offsets[n++] = (block>>8) & 255; - offsets[n++] = block & 255; + block -= INDIRCOUNT(sb) * INDIRCOUNT(sb); + offsets[n++] = DIRCOUNT + 2; + offsets[n++] = (block / INDIRCOUNT(sb)) / INDIRCOUNT(sb); + offsets[n++] = (block / INDIRCOUNT(sb)) % INDIRCOUNT(sb); + offsets[n++] = block % INDIRCOUNT(sb); } return n; } diff --git a/fs/namei.c b/fs/namei.c index 48e1f60520ea..868d0cb9d473 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -1621,6 +1621,7 @@ static struct file *do_last(struct nameidata *nd, struct path *path, case LAST_DOTDOT: follow_dotdot(nd); dir = nd->path.dentry; + case LAST_DOT: if (nd->path.mnt->mnt_sb->s_type->fs_flags & FS_REVAL_DOT) { if (!dir->d_op->d_revalidate(dir, nd)) { error = -ESTALE; @@ -1628,7 +1629,6 @@ static struct file *do_last(struct nameidata *nd, struct path *path, } } /* fallthrough */ - case LAST_DOT: case LAST_ROOT: if (open_flag & O_CREAT) goto exit; diff --git a/fs/ncpfs/file.c b/fs/ncpfs/file.c index b93870892892..3639cc5cbdae 100644 --- a/fs/ncpfs/file.c +++ b/fs/ncpfs/file.c @@ -22,7 +22,7 @@ #include <linux/ncp_fs.h> #include "ncplib_kernel.h" -static int ncp_fsync(struct file *file, struct dentry *dentry, int datasync) +static int ncp_fsync(struct file *file, int datasync) { return 0; } diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index db64854b7b09..782b431ef91c 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -53,7 +53,7 @@ static int nfs_link(struct dentry *, struct inode *, struct dentry *); static int nfs_mknod(struct inode *, struct dentry *, int, dev_t); static int nfs_rename(struct inode *, struct dentry *, struct inode *, struct dentry *); -static int nfs_fsync_dir(struct file *, struct dentry *, int); +static int nfs_fsync_dir(struct file *, int); static loff_t nfs_llseek_dir(struct file *, loff_t, int); const struct file_operations nfs_dir_operations = { @@ -641,8 +641,10 @@ out: * All directory operations under NFS are synchronous, so fsync() * is a dummy operation. */ -static int nfs_fsync_dir(struct file *filp, struct dentry *dentry, int datasync) +static int nfs_fsync_dir(struct file *filp, int datasync) { + struct dentry *dentry = filp->f_path.dentry; + dfprintk(FILE, "NFS: fsync dir(%s/%s) datasync %d\n", dentry->d_parent->d_name.name, dentry->d_name.name, datasync); diff --git a/fs/nfs/file.c b/fs/nfs/file.c index cac96bcc91e4..36a5e74f51b4 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -53,7 +53,7 @@ static ssize_t nfs_file_splice_write(struct pipe_inode_info *pipe, static ssize_t nfs_file_write(struct kiocb *, const struct iovec *iov, unsigned long nr_segs, loff_t pos); static int nfs_file_flush(struct file *, fl_owner_t id); -static int nfs_file_fsync(struct file *, struct dentry *dentry, int datasync); +static int nfs_file_fsync(struct file *, int datasync); static int nfs_check_flags(int flags); static int nfs_lock(struct file *filp, int cmd, struct file_lock *fl); static int nfs_flock(struct file *filp, int cmd, struct file_lock *fl); @@ -322,8 +322,9 @@ nfs_file_mmap(struct file * file, struct vm_area_struct * vma) * whether any write errors occurred for this process. */ static int -nfs_file_fsync(struct file *file, struct dentry *dentry, int datasync) +nfs_file_fsync(struct file *file, int datasync) { + struct dentry *dentry = file->f_path.dentry; struct nfs_open_context *ctx = nfs_file_open_context(file); struct inode *inode = dentry->d_inode; diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c index eb78e7e22077..c8dd03c3f0fd 100644 --- a/fs/nfsd/nfs4callback.c +++ b/fs/nfsd/nfs4callback.c @@ -143,8 +143,6 @@ struct nfs4_cb_compound_hdr { u32 minorversion; /* res */ int status; - u32 taglen; - char *tag; }; static struct { @@ -293,13 +291,14 @@ nfs4_xdr_enc_cb_recall(struct rpc_rqst *req, __be32 *p, static int decode_cb_compound_hdr(struct xdr_stream *xdr, struct nfs4_cb_compound_hdr *hdr){ __be32 *p; + u32 taglen; READ_BUF(8); READ32(hdr->status); - READ32(hdr->taglen); - READ_BUF(hdr->taglen + 4); - hdr->tag = (char *)p; - p += XDR_QUADLEN(hdr->taglen); + /* We've got no use for the tag; ignore it: */ + READ32(taglen); + READ_BUF(taglen + 4); + p += XDR_QUADLEN(taglen); READ32(hdr->nops); return 0; } @@ -667,7 +666,14 @@ static void nfsd4_cb_recall_done(struct rpc_task *task, void *calldata) } switch (task->tk_status) { - case -EIO: + case 0: + return; + case -EBADHANDLE: + case -NFS4ERR_BAD_STATEID: + /* Race: client probably got cb_recall + * before open reply granting delegation */ + break; + default: /* Network partition? */ atomic_set(&clp->cl_cb_set, 0); warn_no_callback_path(clp, task->tk_status); @@ -676,14 +682,6 @@ static void nfsd4_cb_recall_done(struct rpc_task *task, void *calldata) nfsd4_cb_recall(dp); return; } - case -EBADHANDLE: - case -NFS4ERR_BAD_STATEID: - /* Race: client probably got cb_recall - * before open reply granting delegation */ - break; - default: - /* success, or error we can't handle */ - return; } if (dp->dl_retries--) { rpc_delay(task, 2*HZ); @@ -752,7 +750,6 @@ static void _nfsd4_cb_recall(struct nfs4_delegation *dp) .rpc_proc = &nfs4_cb_procedures[NFSPROC4_CLNT_CB_RECALL], .rpc_cred = callback_cred }; - int status; if (clnt == NULL) return; /* Client is shutting down; give up. */ @@ -760,10 +757,7 @@ static void _nfsd4_cb_recall(struct nfs4_delegation *dp) args->args_op = dp; msg.rpc_argp = args; dp->dl_retries = 1; - status = rpc_call_async(clnt, &msg, RPC_TASK_SOFT, - &nfsd4_cb_recall_ops, dp); - if (status) - nfs4_put_delegation(dp); + rpc_call_async(clnt, &msg, RPC_TASK_SOFT, &nfsd4_cb_recall_ops, dp); } void nfsd4_do_callback_rpc(struct work_struct *w) diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 12f7109720c2..117670864af0 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -2255,6 +2255,13 @@ find_delegation_file(struct nfs4_file *fp, stateid_t *stid) return NULL; } +int share_access_to_flags(u32 share_access) +{ + share_access &= ~NFS4_SHARE_WANT_MASK; + + return share_access == NFS4_SHARE_ACCESS_READ ? RD_STATE : WR_STATE; +} + static __be32 nfs4_check_deleg(struct nfs4_file *fp, struct nfsd4_open *open, struct nfs4_delegation **dp) @@ -2265,8 +2272,7 @@ nfs4_check_deleg(struct nfs4_file *fp, struct nfsd4_open *open, *dp = find_delegation_file(fp, &open->op_delegate_stateid); if (*dp == NULL) goto out; - flags = open->op_share_access == NFS4_SHARE_ACCESS_READ ? - RD_STATE : WR_STATE; + flags = share_access_to_flags(open->op_share_access); status = nfs4_check_delegmode(*dp, flags); if (status) *dp = NULL; @@ -2358,6 +2364,7 @@ nfs4_upgrade_open(struct svc_rqst *rqstp, struct svc_fh *cur_fh, struct nfs4_sta struct file *filp = stp->st_vfs_file; struct inode *inode = filp->f_path.dentry->d_inode; unsigned int share_access, new_writer; + u32 op_share_access; __be32 status; set_access(&share_access, stp->st_access_bmap); @@ -2380,8 +2387,9 @@ nfs4_upgrade_open(struct svc_rqst *rqstp, struct svc_fh *cur_fh, struct nfs4_sta return status; } /* remember the open */ - filp->f_mode |= open->op_share_access; - __set_bit(open->op_share_access, &stp->st_access_bmap); + op_share_access = open->op_share_access & ~NFS4_SHARE_WANT_MASK; + filp->f_mode |= op_share_access; + __set_bit(op_share_access, &stp->st_access_bmap); __set_bit(open->op_share_deny, &stp->st_deny_bmap); return nfs_ok; diff --git a/fs/nilfs2/btree.h b/fs/nilfs2/btree.h index af638d59e3bf..43c8c5b541fd 100644 --- a/fs/nilfs2/btree.h +++ b/fs/nilfs2/btree.h @@ -75,8 +75,6 @@ struct nilfs_btree_path { extern struct kmem_cache *nilfs_btree_path_cache; -int nilfs_btree_path_cache_init(void); -void nilfs_btree_path_cache_destroy(void); int nilfs_btree_init(struct nilfs_bmap *); int nilfs_btree_convert_and_insert(struct nilfs_bmap *, __u64, __u64, const __u64 *, const __u64 *, int); diff --git a/fs/nilfs2/file.c b/fs/nilfs2/file.c index 30292df443ce..c9a30d7ff6fc 100644 --- a/fs/nilfs2/file.c +++ b/fs/nilfs2/file.c @@ -27,7 +27,7 @@ #include "nilfs.h" #include "segment.h" -int nilfs_sync_file(struct file *file, struct dentry *dentry, int datasync) +int nilfs_sync_file(struct file *file, int datasync) { /* * Called from fsync() system call @@ -37,7 +37,7 @@ int nilfs_sync_file(struct file *file, struct dentry *dentry, int datasync) * This function should be implemented when the writeback function * will be implemented. */ - struct inode *inode = dentry->d_inode; + struct inode *inode = file->f_mapping->host; int err; if (!nilfs_inode_dirty(inode)) diff --git a/fs/nilfs2/nilfs.h b/fs/nilfs2/nilfs.h index 8723e5bfd071..47d6d7928122 100644 --- a/fs/nilfs2/nilfs.h +++ b/fs/nilfs2/nilfs.h @@ -228,7 +228,7 @@ extern void nilfs_set_link(struct inode *, struct nilfs_dir_entry *, struct page *, struct inode *); /* file.c */ -extern int nilfs_sync_file(struct file *, struct dentry *, int); +extern int nilfs_sync_file(struct file *, int); /* ioctl.c */ long nilfs_ioctl(struct file *, unsigned int, unsigned long); diff --git a/fs/nilfs2/recovery.c b/fs/nilfs2/recovery.c index bae2a516b4ee..f5d9c3f954ae 100644 --- a/fs/nilfs2/recovery.c +++ b/fs/nilfs2/recovery.c @@ -91,27 +91,9 @@ static int nilfs_warn_segment_error(int err) return -EINVAL; } -static void store_segsum_info(struct nilfs_segsum_info *ssi, - struct nilfs_segment_summary *sum, - unsigned int blocksize) -{ - ssi->flags = le16_to_cpu(sum->ss_flags); - ssi->seg_seq = le64_to_cpu(sum->ss_seq); - ssi->ctime = le64_to_cpu(sum->ss_create); - ssi->next = le64_to_cpu(sum->ss_next); - ssi->nblocks = le32_to_cpu(sum->ss_nblocks); - ssi->nfinfo = le32_to_cpu(sum->ss_nfinfo); - ssi->sumbytes = le32_to_cpu(sum->ss_sumbytes); - - ssi->nsumblk = DIV_ROUND_UP(ssi->sumbytes, blocksize); - ssi->nfileblk = ssi->nblocks - ssi->nsumblk - !!NILFS_SEG_HAS_SR(ssi); - - /* need to verify ->ss_bytes field if read ->ss_cno */ -} - /** - * calc_crc_cont - check CRC of blocks continuously - * @sbi: nilfs_sb_info + * nilfs_compute_checksum - compute checksum of blocks continuously + * @nilfs: nilfs object * @bhs: buffer head of start block * @sum: place to store result * @offset: offset bytes in the first block @@ -119,23 +101,25 @@ static void store_segsum_info(struct nilfs_segsum_info *ssi, * @start: DBN of start block * @nblock: number of blocks to be checked */ -static int calc_crc_cont(struct nilfs_sb_info *sbi, struct buffer_head *bhs, - u32 *sum, unsigned long offset, u64 check_bytes, - sector_t start, unsigned long nblock) +static int nilfs_compute_checksum(struct the_nilfs *nilfs, + struct buffer_head *bhs, u32 *sum, + unsigned long offset, u64 check_bytes, + sector_t start, unsigned long nblock) { - unsigned long blocksize = sbi->s_super->s_blocksize; + unsigned int blocksize = nilfs->ns_blocksize; unsigned long size; u32 crc; BUG_ON(offset >= blocksize); check_bytes -= offset; size = min_t(u64, check_bytes, blocksize - offset); - crc = crc32_le(sbi->s_nilfs->ns_crc_seed, + crc = crc32_le(nilfs->ns_crc_seed, (unsigned char *)bhs->b_data + offset, size); if (--nblock > 0) { do { - struct buffer_head *bh - = sb_bread(sbi->s_super, ++start); + struct buffer_head *bh; + + bh = __bread(nilfs->ns_bdev, ++start, blocksize); if (!bh) return -EIO; check_bytes -= size; @@ -150,12 +134,12 @@ static int calc_crc_cont(struct nilfs_sb_info *sbi, struct buffer_head *bhs, /** * nilfs_read_super_root_block - read super root block - * @sb: super_block + * @nilfs: nilfs object * @sr_block: disk block number of the super root block * @pbh: address of a buffer_head pointer to return super root buffer * @check: CRC check flag */ -int nilfs_read_super_root_block(struct super_block *sb, sector_t sr_block, +int nilfs_read_super_root_block(struct the_nilfs *nilfs, sector_t sr_block, struct buffer_head **pbh, int check) { struct buffer_head *bh_sr; @@ -164,7 +148,7 @@ int nilfs_read_super_root_block(struct super_block *sb, sector_t sr_block, int ret; *pbh = NULL; - bh_sr = sb_bread(sb, sr_block); + bh_sr = __bread(nilfs->ns_bdev, sr_block, nilfs->ns_blocksize); if (unlikely(!bh_sr)) { ret = NILFS_SEG_FAIL_IO; goto failed; @@ -174,12 +158,13 @@ int nilfs_read_super_root_block(struct super_block *sb, sector_t sr_block, if (check) { unsigned bytes = le16_to_cpu(sr->sr_bytes); - if (bytes == 0 || bytes > sb->s_blocksize) { + if (bytes == 0 || bytes > nilfs->ns_blocksize) { ret = NILFS_SEG_FAIL_CHECKSUM_SUPER_ROOT; goto failed_bh; } - if (calc_crc_cont(NILFS_SB(sb), bh_sr, &crc, - sizeof(sr->sr_sum), bytes, sr_block, 1)) { + if (nilfs_compute_checksum( + nilfs, bh_sr, &crc, sizeof(sr->sr_sum), bytes, + sr_block, 1)) { ret = NILFS_SEG_FAIL_IO; goto failed_bh; } @@ -199,64 +184,76 @@ int nilfs_read_super_root_block(struct super_block *sb, sector_t sr_block, } /** - * load_segment_summary - read segment summary of the specified partial segment - * @sbi: nilfs_sb_info - * @pseg_start: start disk block number of partial segment - * @seg_seq: sequence number requested - * @ssi: pointer to nilfs_segsum_info struct to store information + * nilfs_read_log_header - read summary header of the specified log + * @nilfs: nilfs object + * @start_blocknr: start block number of the log + * @sum: pointer to return segment summary structure */ -static int -load_segment_summary(struct nilfs_sb_info *sbi, sector_t pseg_start, - u64 seg_seq, struct nilfs_segsum_info *ssi) +static struct buffer_head * +nilfs_read_log_header(struct the_nilfs *nilfs, sector_t start_blocknr, + struct nilfs_segment_summary **sum) { struct buffer_head *bh_sum; - struct nilfs_segment_summary *sum; + + bh_sum = __bread(nilfs->ns_bdev, start_blocknr, nilfs->ns_blocksize); + if (bh_sum) + *sum = (struct nilfs_segment_summary *)bh_sum->b_data; + return bh_sum; +} + +/** + * nilfs_validate_log - verify consistency of log + * @nilfs: nilfs object + * @seg_seq: sequence number of segment + * @bh_sum: buffer head of summary block + * @sum: segment summary struct + */ +static int nilfs_validate_log(struct the_nilfs *nilfs, u64 seg_seq, + struct buffer_head *bh_sum, + struct nilfs_segment_summary *sum) +{ unsigned long nblock; u32 crc; - int ret = NILFS_SEG_FAIL_IO; + int ret; - bh_sum = sb_bread(sbi->s_super, pseg_start); - if (!bh_sum) + ret = NILFS_SEG_FAIL_MAGIC; + if (le32_to_cpu(sum->ss_magic) != NILFS_SEGSUM_MAGIC) goto out; - sum = (struct nilfs_segment_summary *)bh_sum->b_data; - - /* Check consistency of segment summary */ - if (le32_to_cpu(sum->ss_magic) != NILFS_SEGSUM_MAGIC) { - ret = NILFS_SEG_FAIL_MAGIC; - goto failed; - } - store_segsum_info(ssi, sum, sbi->s_super->s_blocksize); - if (seg_seq != ssi->seg_seq) { - ret = NILFS_SEG_FAIL_SEQ; - goto failed; - } + ret = NILFS_SEG_FAIL_SEQ; + if (le64_to_cpu(sum->ss_seq) != seg_seq) + goto out; - nblock = ssi->nblocks; - if (unlikely(nblock == 0 || - nblock > sbi->s_nilfs->ns_blocks_per_segment)) { + nblock = le32_to_cpu(sum->ss_nblocks); + ret = NILFS_SEG_FAIL_CONSISTENCY; + if (unlikely(nblock == 0 || nblock > nilfs->ns_blocks_per_segment)) /* This limits the number of blocks read in the CRC check */ - ret = NILFS_SEG_FAIL_CONSISTENCY; - goto failed; - } - if (calc_crc_cont(sbi, bh_sum, &crc, sizeof(sum->ss_datasum), - ((u64)nblock << sbi->s_super->s_blocksize_bits), - pseg_start, nblock)) { - ret = NILFS_SEG_FAIL_IO; - goto failed; - } - if (crc == le32_to_cpu(sum->ss_datasum)) - ret = 0; - else - ret = NILFS_SEG_FAIL_CHECKSUM_FULL; - failed: - brelse(bh_sum); - out: + goto out; + + ret = NILFS_SEG_FAIL_IO; + if (nilfs_compute_checksum(nilfs, bh_sum, &crc, sizeof(sum->ss_datasum), + ((u64)nblock << nilfs->ns_blocksize_bits), + bh_sum->b_blocknr, nblock)) + goto out; + + ret = NILFS_SEG_FAIL_CHECKSUM_FULL; + if (crc != le32_to_cpu(sum->ss_datasum)) + goto out; + ret = 0; +out: return ret; } -static void *segsum_get(struct super_block *sb, struct buffer_head **pbh, - unsigned int *offset, unsigned int bytes) +/** + * nilfs_read_summary_info - read an item on summary blocks of a log + * @nilfs: nilfs object + * @pbh: the current buffer head on summary blocks [in, out] + * @offset: the current byte offset on summary blocks [in, out] + * @bytes: byte size of the item to be read + */ +static void *nilfs_read_summary_info(struct the_nilfs *nilfs, + struct buffer_head **pbh, + unsigned int *offset, unsigned int bytes) { void *ptr; sector_t blocknr; @@ -265,7 +262,8 @@ static void *segsum_get(struct super_block *sb, struct buffer_head **pbh, if (bytes > (*pbh)->b_size - *offset) { blocknr = (*pbh)->b_blocknr; brelse(*pbh); - *pbh = sb_bread(sb, blocknr + 1); + *pbh = __bread(nilfs->ns_bdev, blocknr + 1, + nilfs->ns_blocksize); if (unlikely(!*pbh)) return NULL; *offset = 0; @@ -275,9 +273,18 @@ static void *segsum_get(struct super_block *sb, struct buffer_head **pbh, return ptr; } -static void segsum_skip(struct super_block *sb, struct buffer_head **pbh, - unsigned int *offset, unsigned int bytes, - unsigned long count) +/** + * nilfs_skip_summary_info - skip items on summary blocks of a log + * @nilfs: nilfs object + * @pbh: the current buffer head on summary blocks [in, out] + * @offset: the current byte offset on summary blocks [in, out] + * @bytes: byte size of the item to be skipped + * @count: number of items to be skipped + */ +static void nilfs_skip_summary_info(struct the_nilfs *nilfs, + struct buffer_head **pbh, + unsigned int *offset, unsigned int bytes, + unsigned long count) { unsigned int rest_item_in_current_block = ((*pbh)->b_size - *offset) / bytes; @@ -294,36 +301,46 @@ static void segsum_skip(struct super_block *sb, struct buffer_head **pbh, *offset = bytes * (count - (bcnt - 1) * nitem_per_block); brelse(*pbh); - *pbh = sb_bread(sb, blocknr + bcnt); + *pbh = __bread(nilfs->ns_bdev, blocknr + bcnt, + nilfs->ns_blocksize); } } -static int -collect_blocks_from_segsum(struct nilfs_sb_info *sbi, sector_t sum_blocknr, - struct nilfs_segsum_info *ssi, - struct list_head *head) +/** + * nilfs_scan_dsync_log - get block information of a log written for data sync + * @nilfs: nilfs object + * @start_blocknr: start block number of the log + * @sum: log summary information + * @head: list head to add nilfs_recovery_block struct + */ +static int nilfs_scan_dsync_log(struct the_nilfs *nilfs, sector_t start_blocknr, + struct nilfs_segment_summary *sum, + struct list_head *head) { struct buffer_head *bh; unsigned int offset; - unsigned long nfinfo = ssi->nfinfo; - sector_t blocknr = sum_blocknr + ssi->nsumblk; + u32 nfinfo, sumbytes; + sector_t blocknr; ino_t ino; int err = -EIO; + nfinfo = le32_to_cpu(sum->ss_nfinfo); if (!nfinfo) return 0; - bh = sb_bread(sbi->s_super, sum_blocknr); + sumbytes = le32_to_cpu(sum->ss_sumbytes); + blocknr = start_blocknr + DIV_ROUND_UP(sumbytes, nilfs->ns_blocksize); + bh = __bread(nilfs->ns_bdev, start_blocknr, nilfs->ns_blocksize); if (unlikely(!bh)) goto out; - offset = le16_to_cpu( - ((struct nilfs_segment_summary *)bh->b_data)->ss_bytes); + offset = le16_to_cpu(sum->ss_bytes); for (;;) { unsigned long nblocks, ndatablk, nnodeblk; struct nilfs_finfo *finfo; - finfo = segsum_get(sbi->s_super, &bh, &offset, sizeof(*finfo)); + finfo = nilfs_read_summary_info(nilfs, &bh, &offset, + sizeof(*finfo)); if (unlikely(!finfo)) goto out; @@ -336,8 +353,8 @@ collect_blocks_from_segsum(struct nilfs_sb_info *sbi, sector_t sum_blocknr, struct nilfs_recovery_block *rb; struct nilfs_binfo_v *binfo; - binfo = segsum_get(sbi->s_super, &bh, &offset, - sizeof(*binfo)); + binfo = nilfs_read_summary_info(nilfs, &bh, &offset, + sizeof(*binfo)); if (unlikely(!binfo)) goto out; @@ -355,9 +372,9 @@ collect_blocks_from_segsum(struct nilfs_sb_info *sbi, sector_t sum_blocknr, } if (--nfinfo == 0) break; - blocknr += nnodeblk; /* always 0 for the data sync segments */ - segsum_skip(sbi->s_super, &bh, &offset, sizeof(__le64), - nnodeblk); + blocknr += nnodeblk; /* always 0 for data sync logs */ + nilfs_skip_summary_info(nilfs, &bh, &offset, sizeof(__le64), + nnodeblk); if (unlikely(!bh)) goto out; } @@ -467,14 +484,14 @@ static int nilfs_prepare_segment_for_recovery(struct the_nilfs *nilfs, return err; } -static int nilfs_recovery_copy_block(struct nilfs_sb_info *sbi, +static int nilfs_recovery_copy_block(struct the_nilfs *nilfs, struct nilfs_recovery_block *rb, struct page *page) { struct buffer_head *bh_org; void *kaddr; - bh_org = sb_bread(sbi->s_super, rb->blocknr); + bh_org = __bread(nilfs->ns_bdev, rb->blocknr, nilfs->ns_blocksize); if (unlikely(!bh_org)) return -EIO; @@ -485,13 +502,14 @@ static int nilfs_recovery_copy_block(struct nilfs_sb_info *sbi, return 0; } -static int recover_dsync_blocks(struct nilfs_sb_info *sbi, - struct list_head *head, - unsigned long *nr_salvaged_blocks) +static int nilfs_recover_dsync_blocks(struct the_nilfs *nilfs, + struct nilfs_sb_info *sbi, + struct list_head *head, + unsigned long *nr_salvaged_blocks) { struct inode *inode; struct nilfs_recovery_block *rb, *n; - unsigned blocksize = sbi->s_super->s_blocksize; + unsigned blocksize = nilfs->ns_blocksize; struct page *page; loff_t pos; int err = 0, err2 = 0; @@ -511,7 +529,7 @@ static int recover_dsync_blocks(struct nilfs_sb_info *sbi, if (unlikely(err)) goto failed_inode; - err = nilfs_recovery_copy_block(sbi, rb, page); + err = nilfs_recovery_copy_block(nilfs, rb, page); if (unlikely(err)) goto failed_page; @@ -551,18 +569,20 @@ static int recover_dsync_blocks(struct nilfs_sb_info *sbi, /** * nilfs_do_roll_forward - salvage logical segments newer than the latest * checkpoint + * @nilfs: nilfs object * @sbi: nilfs_sb_info - * @nilfs: the_nilfs * @ri: pointer to a nilfs_recovery_info */ static int nilfs_do_roll_forward(struct the_nilfs *nilfs, struct nilfs_sb_info *sbi, struct nilfs_recovery_info *ri) { - struct nilfs_segsum_info ssi; + struct buffer_head *bh_sum = NULL; + struct nilfs_segment_summary *sum; sector_t pseg_start; sector_t seg_start, seg_end; /* Starting/ending DBN of full segment */ unsigned long nsalvaged_blocks = 0; + unsigned int flags; u64 seg_seq; __u64 segnum, nextnum = 0; int empty_seg = 0; @@ -581,8 +601,14 @@ static int nilfs_do_roll_forward(struct the_nilfs *nilfs, nilfs_get_segment_range(nilfs, segnum, &seg_start, &seg_end); while (segnum != ri->ri_segnum || pseg_start <= ri->ri_pseg_start) { + brelse(bh_sum); + bh_sum = nilfs_read_log_header(nilfs, pseg_start, &sum); + if (!bh_sum) { + err = -EIO; + goto failed; + } - ret = load_segment_summary(sbi, pseg_start, seg_seq, &ssi); + ret = nilfs_validate_log(nilfs, seg_seq, bh_sum, sum); if (ret) { if (ret == NILFS_SEG_FAIL_IO) { err = -EIO; @@ -590,33 +616,38 @@ static int nilfs_do_roll_forward(struct the_nilfs *nilfs, } goto strayed; } - if (unlikely(NILFS_SEG_HAS_SR(&ssi))) + + flags = le16_to_cpu(sum->ss_flags); + if (flags & NILFS_SS_SR) goto confused; /* Found a valid partial segment; do recovery actions */ - nextnum = nilfs_get_segnum_of_block(nilfs, ssi.next); + nextnum = nilfs_get_segnum_of_block(nilfs, + le64_to_cpu(sum->ss_next)); empty_seg = 0; - nilfs->ns_ctime = ssi.ctime; - if (!(ssi.flags & NILFS_SS_GC)) - nilfs->ns_nongc_ctime = ssi.ctime; + nilfs->ns_ctime = le64_to_cpu(sum->ss_create); + if (!(flags & NILFS_SS_GC)) + nilfs->ns_nongc_ctime = nilfs->ns_ctime; switch (state) { case RF_INIT_ST: - if (!NILFS_SEG_LOGBGN(&ssi) || !NILFS_SEG_DSYNC(&ssi)) + if (!(flags & NILFS_SS_LOGBGN) || + !(flags & NILFS_SS_SYNDT)) goto try_next_pseg; state = RF_DSYNC_ST; /* Fall through */ case RF_DSYNC_ST: - if (!NILFS_SEG_DSYNC(&ssi)) + if (!(flags & NILFS_SS_SYNDT)) goto confused; - err = collect_blocks_from_segsum( - sbi, pseg_start, &ssi, &dsync_blocks); + err = nilfs_scan_dsync_log(nilfs, pseg_start, sum, + &dsync_blocks); if (unlikely(err)) goto failed; - if (NILFS_SEG_LOGEND(&ssi)) { - err = recover_dsync_blocks( - sbi, &dsync_blocks, &nsalvaged_blocks); + if (flags & NILFS_SS_LOGEND) { + err = nilfs_recover_dsync_blocks( + nilfs, sbi, &dsync_blocks, + &nsalvaged_blocks); if (unlikely(err)) goto failed; state = RF_INIT_ST; @@ -627,7 +658,7 @@ static int nilfs_do_roll_forward(struct the_nilfs *nilfs, try_next_pseg: if (pseg_start == ri->ri_lsegs_end) break; - pseg_start += ssi.nblocks; + pseg_start += le32_to_cpu(sum->ss_nblocks); if (pseg_start < seg_end) continue; goto feed_segment; @@ -652,8 +683,9 @@ static int nilfs_do_roll_forward(struct the_nilfs *nilfs, ri->ri_need_recovery = NILFS_RECOVERY_ROLLFORWARD_DONE; } out: + brelse(bh_sum); dispose_recovery_list(&dsync_blocks); - nilfs_detach_writer(sbi->s_nilfs, sbi); + nilfs_detach_writer(nilfs, sbi); return err; confused: @@ -667,7 +699,6 @@ static int nilfs_do_roll_forward(struct the_nilfs *nilfs, } static void nilfs_finish_roll_forward(struct the_nilfs *nilfs, - struct nilfs_sb_info *sbi, struct nilfs_recovery_info *ri) { struct buffer_head *bh; @@ -677,7 +708,7 @@ static void nilfs_finish_roll_forward(struct the_nilfs *nilfs, nilfs_get_segnum_of_block(nilfs, ri->ri_super_root)) return; - bh = sb_getblk(sbi->s_super, ri->ri_lsegs_start); + bh = __getblk(nilfs->ns_bdev, ri->ri_lsegs_start, nilfs->ns_blocksize); BUG_ON(!bh); memset(bh->b_data, 0, bh->b_size); set_buffer_dirty(bh); @@ -690,9 +721,8 @@ static void nilfs_finish_roll_forward(struct the_nilfs *nilfs, } /** - * nilfs_recover_logical_segments - salvage logical segments written after - * the latest super root - * @nilfs: the_nilfs + * nilfs_salvage_orphan_logs - salvage logs written after the latest checkpoint + * @nilfs: nilfs object * @sbi: nilfs_sb_info * @ri: pointer to a nilfs_recovery_info struct to store search results. * @@ -709,9 +739,9 @@ static void nilfs_finish_roll_forward(struct the_nilfs *nilfs, * * %-ENOMEM - Insufficient memory available. */ -int nilfs_recover_logical_segments(struct the_nilfs *nilfs, - struct nilfs_sb_info *sbi, - struct nilfs_recovery_info *ri) +int nilfs_salvage_orphan_logs(struct the_nilfs *nilfs, + struct nilfs_sb_info *sbi, + struct nilfs_recovery_info *ri) { int err; @@ -751,7 +781,7 @@ int nilfs_recover_logical_segments(struct the_nilfs *nilfs, goto failed; } - nilfs_finish_roll_forward(nilfs, sbi, ri); + nilfs_finish_roll_forward(nilfs, ri); } failed: @@ -762,7 +792,6 @@ int nilfs_recover_logical_segments(struct the_nilfs *nilfs, /** * nilfs_search_super_root - search the latest valid super root * @nilfs: the_nilfs - * @sbi: nilfs_sb_info * @ri: pointer to a nilfs_recovery_info struct to store search results. * * nilfs_search_super_root() looks for the latest super-root from a partial @@ -776,13 +805,16 @@ int nilfs_recover_logical_segments(struct the_nilfs *nilfs, * * %-EIO - I/O error */ -int nilfs_search_super_root(struct the_nilfs *nilfs, struct nilfs_sb_info *sbi, +int nilfs_search_super_root(struct the_nilfs *nilfs, struct nilfs_recovery_info *ri) { - struct nilfs_segsum_info ssi; + struct buffer_head *bh_sum = NULL; + struct nilfs_segment_summary *sum; sector_t pseg_start, pseg_end, sr_pseg_start = 0; sector_t seg_start, seg_end; /* range of full segment (block number) */ sector_t b, end; + unsigned long nblocks; + unsigned int flags; u64 seg_seq; __u64 segnum, nextnum = 0; __u64 cno; @@ -801,17 +833,24 @@ int nilfs_search_super_root(struct the_nilfs *nilfs, struct nilfs_sb_info *sbi, /* Read ahead segment */ b = seg_start; while (b <= seg_end) - sb_breadahead(sbi->s_super, b++); + __breadahead(nilfs->ns_bdev, b++, nilfs->ns_blocksize); for (;;) { - /* Load segment summary */ - ret = load_segment_summary(sbi, pseg_start, seg_seq, &ssi); + brelse(bh_sum); + ret = NILFS_SEG_FAIL_IO; + bh_sum = nilfs_read_log_header(nilfs, pseg_start, &sum); + if (!bh_sum) + goto failed; + + ret = nilfs_validate_log(nilfs, seg_seq, bh_sum, sum); if (ret) { if (ret == NILFS_SEG_FAIL_IO) goto failed; goto strayed; } - pseg_end = pseg_start + ssi.nblocks - 1; + + nblocks = le32_to_cpu(sum->ss_nblocks); + pseg_end = pseg_start + nblocks - 1; if (unlikely(pseg_end > seg_end)) { ret = NILFS_SEG_FAIL_CONSISTENCY; goto strayed; @@ -821,11 +860,13 @@ int nilfs_search_super_root(struct the_nilfs *nilfs, struct nilfs_sb_info *sbi, ri->ri_pseg_start = pseg_start; ri->ri_seq = seg_seq; ri->ri_segnum = segnum; - nextnum = nilfs_get_segnum_of_block(nilfs, ssi.next); + nextnum = nilfs_get_segnum_of_block(nilfs, + le64_to_cpu(sum->ss_next)); ri->ri_nextnum = nextnum; empty_seg = 0; - if (!NILFS_SEG_HAS_SR(&ssi) && !scan_newer) { + flags = le16_to_cpu(sum->ss_flags); + if (!(flags & NILFS_SS_SR) && !scan_newer) { /* This will never happen because a superblock (last_segment) always points to a pseg having a super root. */ @@ -836,14 +877,15 @@ int nilfs_search_super_root(struct the_nilfs *nilfs, struct nilfs_sb_info *sbi, if (pseg_start == seg_start) { nilfs_get_segment_range(nilfs, nextnum, &b, &end); while (b <= end) - sb_breadahead(sbi->s_super, b++); + __breadahead(nilfs->ns_bdev, b++, + nilfs->ns_blocksize); } - if (!NILFS_SEG_HAS_SR(&ssi)) { - if (!ri->ri_lsegs_start && NILFS_SEG_LOGBGN(&ssi)) { + if (!(flags & NILFS_SS_SR)) { + if (!ri->ri_lsegs_start && (flags & NILFS_SS_LOGBGN)) { ri->ri_lsegs_start = pseg_start; ri->ri_lsegs_start_seq = seg_seq; } - if (NILFS_SEG_LOGEND(&ssi)) + if (flags & NILFS_SS_LOGEND) ri->ri_lsegs_end = pseg_start; goto try_next_pseg; } @@ -854,12 +896,12 @@ int nilfs_search_super_root(struct the_nilfs *nilfs, struct nilfs_sb_info *sbi, ri->ri_lsegs_start = ri->ri_lsegs_end = 0; nilfs_dispose_segment_list(&segments); - nilfs->ns_pseg_offset = (sr_pseg_start = pseg_start) - + ssi.nblocks - seg_start; + sr_pseg_start = pseg_start; + nilfs->ns_pseg_offset = pseg_start + nblocks - seg_start; nilfs->ns_seg_seq = seg_seq; nilfs->ns_segnum = segnum; nilfs->ns_cno = cno; /* nilfs->ns_cno = ri->ri_cno + 1 */ - nilfs->ns_ctime = ssi.ctime; + nilfs->ns_ctime = le64_to_cpu(sum->ss_create); nilfs->ns_nextnum = nextnum; if (scan_newer) @@ -870,15 +912,9 @@ int nilfs_search_super_root(struct the_nilfs *nilfs, struct nilfs_sb_info *sbi, scan_newer = 1; } - /* reset region for roll-forward */ - pseg_start += ssi.nblocks; - if (pseg_start < seg_end) - continue; - goto feed_segment; - try_next_pseg: /* Standing on a course, or met an inconsistent state */ - pseg_start += ssi.nblocks; + pseg_start += nblocks; if (pseg_start < seg_end) continue; goto feed_segment; @@ -909,6 +945,7 @@ int nilfs_search_super_root(struct the_nilfs *nilfs, struct nilfs_sb_info *sbi, super_root_found: /* Updating pointers relating to the latest checkpoint */ + brelse(bh_sum); list_splice_tail(&segments, &ri->ri_used_segments); nilfs->ns_last_pseg = sr_pseg_start; nilfs->ns_last_seq = nilfs->ns_seg_seq; @@ -916,6 +953,7 @@ int nilfs_search_super_root(struct the_nilfs *nilfs, struct nilfs_sb_info *sbi, return 0; failed: + brelse(bh_sum); nilfs_dispose_segment_list(&segments); return (ret < 0) ? ret : nilfs_warn_segment_error(ret); } diff --git a/fs/nilfs2/segbuf.h b/fs/nilfs2/segbuf.h index fdf1c3b6d673..b04f08cc2397 100644 --- a/fs/nilfs2/segbuf.h +++ b/fs/nilfs2/segbuf.h @@ -54,17 +54,6 @@ struct nilfs_segsum_info { sector_t next; }; -/* macro for the flags */ -#define NILFS_SEG_HAS_SR(sum) ((sum)->flags & NILFS_SS_SR) -#define NILFS_SEG_LOGBGN(sum) ((sum)->flags & NILFS_SS_LOGBGN) -#define NILFS_SEG_LOGEND(sum) ((sum)->flags & NILFS_SS_LOGEND) -#define NILFS_SEG_DSYNC(sum) ((sum)->flags & NILFS_SS_SYNDT) -#define NILFS_SEG_SIMPLEX(sum) \ - (((sum)->flags & (NILFS_SS_LOGBGN | NILFS_SS_LOGEND)) == \ - (NILFS_SS_LOGBGN | NILFS_SS_LOGEND)) - -#define NILFS_SEG_EMPTY(sum) ((sum)->nblocks == (sum)->nsumblk) - /** * struct nilfs_segment_buffer - Segment buffer * @sb_super: back pointer to a superblock struct @@ -127,8 +116,6 @@ struct nilfs_segment_buffer { extern struct kmem_cache *nilfs_segbuf_cachep; -int __init nilfs_init_segbuf_cache(void); -void nilfs_destroy_segbuf_cache(void); struct nilfs_segment_buffer *nilfs_segbuf_new(struct super_block *); void nilfs_segbuf_free(struct nilfs_segment_buffer *); void nilfs_segbuf_map(struct nilfs_segment_buffer *, __u64, unsigned long, @@ -143,6 +130,19 @@ int nilfs_segbuf_extend_payload(struct nilfs_segment_buffer *, struct buffer_head **); void nilfs_segbuf_fill_in_segsum(struct nilfs_segment_buffer *); +static inline int nilfs_segbuf_simplex(struct nilfs_segment_buffer *segbuf) +{ + unsigned int flags = segbuf->sb_sum.flags; + + return (flags & (NILFS_SS_LOGBGN | NILFS_SS_LOGEND)) == + (NILFS_SS_LOGBGN | NILFS_SS_LOGEND); +} + +static inline int nilfs_segbuf_empty(struct nilfs_segment_buffer *segbuf) +{ + return segbuf->sb_sum.nblocks == segbuf->sb_sum.nsumblk; +} + static inline void nilfs_segbuf_add_segsum_buffer(struct nilfs_segment_buffer *segbuf, struct buffer_head *bh) diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index c9201649cc49..1f7881ca01c4 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -1914,12 +1914,12 @@ static void nilfs_segctor_complete_write(struct nilfs_sc_info *sci) } } - if (!NILFS_SEG_SIMPLEX(&segbuf->sb_sum)) { - if (NILFS_SEG_LOGBGN(&segbuf->sb_sum)) { + if (!nilfs_segbuf_simplex(segbuf)) { + if (segbuf->sb_sum.flags & NILFS_SS_LOGBGN) { set_bit(NILFS_SC_UNCLOSED, &sci->sc_flags); sci->sc_lseg_stime = jiffies; } - if (NILFS_SEG_LOGEND(&segbuf->sb_sum)) + if (segbuf->sb_sum.flags & NILFS_SS_LOGEND) clear_bit(NILFS_SC_UNCLOSED, &sci->sc_flags); } } @@ -2082,7 +2082,7 @@ static int nilfs_segctor_do_construct(struct nilfs_sc_info *sci, int mode) /* Avoid empty segment */ if (sci->sc_stage.scnt == NILFS_ST_DONE && - NILFS_SEG_EMPTY(&sci->sc_curseg->sb_sum)) { + nilfs_segbuf_empty(sci->sc_curseg)) { nilfs_segctor_abort_construction(sci, nilfs, 1); goto out; } diff --git a/fs/nilfs2/segment.h b/fs/nilfs2/segment.h index dca142361ccf..17c487bd8152 100644 --- a/fs/nilfs2/segment.h +++ b/fs/nilfs2/segment.h @@ -221,8 +221,6 @@ enum { extern struct kmem_cache *nilfs_transaction_cachep; /* segment.c */ -extern int nilfs_init_transaction_cache(void); -extern void nilfs_destroy_transaction_cache(void); extern void nilfs_relax_pressure_in_lock(struct super_block *); extern int nilfs_construct_segment(struct super_block *); @@ -236,13 +234,13 @@ extern int nilfs_attach_segment_constructor(struct nilfs_sb_info *); extern void nilfs_detach_segment_constructor(struct nilfs_sb_info *); /* recovery.c */ -extern int nilfs_read_super_root_block(struct super_block *, sector_t, +extern int nilfs_read_super_root_block(struct the_nilfs *, sector_t, struct buffer_head **, int); -extern int nilfs_search_super_root(struct the_nilfs *, struct nilfs_sb_info *, +extern int nilfs_search_super_root(struct the_nilfs *, struct nilfs_recovery_info *); -extern int nilfs_recover_logical_segments(struct the_nilfs *, - struct nilfs_sb_info *, - struct nilfs_recovery_info *); +extern int nilfs_salvage_orphan_logs(struct the_nilfs *, + struct nilfs_sb_info *, + struct nilfs_recovery_info *); extern void nilfs_dispose_segment_list(struct list_head *); #endif /* _NILFS_SEGMENT_H */ diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c index 03b34b738993..414ef68931cf 100644 --- a/fs/nilfs2/super.c +++ b/fs/nilfs2/super.c @@ -1130,13 +1130,13 @@ static void nilfs_segbuf_init_once(void *obj) static void nilfs_destroy_cachep(void) { - if (nilfs_inode_cachep) + if (nilfs_inode_cachep) kmem_cache_destroy(nilfs_inode_cachep); - if (nilfs_transaction_cachep) + if (nilfs_transaction_cachep) kmem_cache_destroy(nilfs_transaction_cachep); - if (nilfs_segbuf_cachep) + if (nilfs_segbuf_cachep) kmem_cache_destroy(nilfs_segbuf_cachep); - if (nilfs_btree_path_cache) + if (nilfs_btree_path_cache) kmem_cache_destroy(nilfs_btree_path_cache); } diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c index 8c1097327abc..9f2cb01994d0 100644 --- a/fs/nilfs2/the_nilfs.c +++ b/fs/nilfs2/the_nilfs.c @@ -159,8 +159,7 @@ void put_nilfs(struct the_nilfs *nilfs) kfree(nilfs); } -static int nilfs_load_super_root(struct the_nilfs *nilfs, - struct nilfs_sb_info *sbi, sector_t sr_block) +static int nilfs_load_super_root(struct the_nilfs *nilfs, sector_t sr_block) { struct buffer_head *bh_sr; struct nilfs_super_root *raw_sr; @@ -169,7 +168,7 @@ static int nilfs_load_super_root(struct the_nilfs *nilfs, unsigned inode_size; int err; - err = nilfs_read_super_root_block(sbi->s_super, sr_block, &bh_sr, 1); + err = nilfs_read_super_root_block(nilfs, sr_block, &bh_sr, 1); if (unlikely(err)) return err; @@ -285,13 +284,13 @@ int load_nilfs(struct the_nilfs *nilfs, struct nilfs_sb_info *sbi) nilfs_init_recovery_info(&ri); - err = nilfs_search_super_root(nilfs, sbi, &ri); + err = nilfs_search_super_root(nilfs, &ri); if (unlikely(err)) { printk(KERN_ERR "NILFS: error searching super root.\n"); goto failed; } - err = nilfs_load_super_root(nilfs, sbi, ri.ri_super_root); + err = nilfs_load_super_root(nilfs, ri.ri_super_root); if (unlikely(err)) { printk(KERN_ERR "NILFS: error loading super root.\n"); goto failed; @@ -320,7 +319,7 @@ int load_nilfs(struct the_nilfs *nilfs, struct nilfs_sb_info *sbi) goto failed_unload; } - err = nilfs_recover_logical_segments(nilfs, sbi, &ri); + err = nilfs_salvage_orphan_logs(nilfs, sbi, &ri); if (err) goto failed_unload; @@ -604,6 +603,7 @@ int init_nilfs(struct the_nilfs *nilfs, struct nilfs_sb_info *sbi, char *data) when reloading fails. */ } nilfs->ns_blocksize_bits = sb->s_blocksize_bits; + nilfs->ns_blocksize = blocksize; err = nilfs_store_disk_layout(nilfs, sbp); if (err) diff --git a/fs/nilfs2/the_nilfs.h b/fs/nilfs2/the_nilfs.h index 1ab974533697..85df47f0730f 100644 --- a/fs/nilfs2/the_nilfs.h +++ b/fs/nilfs2/the_nilfs.h @@ -82,6 +82,7 @@ enum { * @ns_gc_inodes: dummy inodes to keep live blocks * @ns_gc_inodes_h: hash list to keep dummy inode holding live blocks * @ns_blocksize_bits: bit length of block size + * @ns_blocksize: block size * @ns_nsegments: number of segments in filesystem * @ns_blocks_per_segment: number of blocks per segment * @ns_r_segments_percentage: reserved segments percentage @@ -168,6 +169,7 @@ struct the_nilfs { /* Disk layout information (static) */ unsigned int ns_blocksize_bits; + unsigned int ns_blocksize; unsigned long ns_nsegments; unsigned long ns_blocks_per_segment; unsigned long ns_r_segments_percentage; diff --git a/fs/ntfs/dir.c b/fs/ntfs/dir.c index fe44d3feee4a..0f48e7c5d9e1 100644 --- a/fs/ntfs/dir.c +++ b/fs/ntfs/dir.c @@ -1527,10 +1527,9 @@ static int ntfs_dir_open(struct inode *vi, struct file *filp) * this problem for now. We do write the $BITMAP attribute if it is present * which is the important one for a directory so things are not too bad. */ -static int ntfs_dir_fsync(struct file *filp, struct dentry *dentry, - int datasync) +static int ntfs_dir_fsync(struct file *filp, int datasync) { - struct inode *bmp_vi, *vi = dentry->d_inode; + struct inode *bmp_vi, *vi = filp->f_mapping->host; int err, ret; ntfs_attr na; diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c index a1924a0d2ab0..113ebd9f25a4 100644 --- a/fs/ntfs/file.c +++ b/fs/ntfs/file.c @@ -2133,7 +2133,6 @@ static ssize_t ntfs_file_aio_write(struct kiocb *iocb, const struct iovec *iov, /** * ntfs_file_fsync - sync a file to disk * @filp: file to be synced - * @dentry: dentry describing the file to sync * @datasync: if non-zero only flush user data and not metadata * * Data integrity sync of a file to disk. Used for fsync, fdatasync, and msync @@ -2149,19 +2148,15 @@ static ssize_t ntfs_file_aio_write(struct kiocb *iocb, const struct iovec *iov, * Also, if @datasync is true, we do not wait on the inode to be written out * but we always wait on the page cache pages to be written out. * - * Note: In the past @filp could be NULL so we ignore it as we don't need it - * anyway. - * * Locking: Caller must hold i_mutex on the inode. * * TODO: We should probably also write all attribute/index inodes associated * with this inode but since we have no simple way of getting to them we ignore * this problem for now. */ -static int ntfs_file_fsync(struct file *filp, struct dentry *dentry, - int datasync) +static int ntfs_file_fsync(struct file *filp, int datasync) { - struct inode *vi = dentry->d_inode; + struct inode *vi = filp->f_mapping->host; int err, ret = 0; ntfs_debug("Entering for inode 0x%lx.", vi->i_ino); diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 97e54b9e654b..6a13ea64c447 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -175,13 +175,12 @@ static int ocfs2_dir_release(struct inode *inode, struct file *file) return 0; } -static int ocfs2_sync_file(struct file *file, - struct dentry *dentry, - int datasync) +static int ocfs2_sync_file(struct file *file, int datasync) { int err = 0; journal_t *journal; - struct inode *inode = dentry->d_inode; + struct dentry *dentry = file->f_path.dentry; + struct inode *inode = file->f_mapping->host; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); mlog_entry("(0x%p, 0x%p, %d, '%.*s')\n", file, dentry, datasync, @@ -1053,7 +1052,7 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr) } /* - * This will intentionally not wind up calling vmtruncate(), + * This will intentionally not wind up calling simple_setsize(), * since all the work for a size change has been done above. * Otherwise, we could get into problems with truncate as * ip_alloc_sem is used there to protect against i_size @@ -2119,9 +2118,13 @@ relock: * direct write may have instantiated a few * blocks outside i_size. Trim these off again. * Don't need i_size_read because we hold i_mutex. + * + * XXX(hch): this looks buggy because ocfs2 did not + * actually implement ->truncate. Take a look at + * the new truncate sequence and update this accordingly */ if (*ppos + count > inode->i_size) - vmtruncate(inode, inode->i_size); + simple_setsize(inode, inode->i_size); ret = written; goto out_dio; } diff --git a/fs/ocfs2/reservations.c b/fs/ocfs2/reservations.c index 40650021fc24..d8b6e4259b80 100644 --- a/fs/ocfs2/reservations.c +++ b/fs/ocfs2/reservations.c @@ -26,7 +26,6 @@ #include <linux/fs.h> #include <linux/types.h> -#include <linux/slab.h> #include <linux/highmem.h> #include <linux/bitops.h> #include <linux/list.h> diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index 2c26ce251cb3..0eaa929a4dbf 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -879,13 +879,15 @@ static int ocfs2_susp_quotas(struct ocfs2_super *osb, int unsuspend) if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type])) continue; if (unsuspend) - status = vfs_quota_enable( - sb_dqopt(sb)->files[type], - type, QFMT_OCFS2, - DQUOT_SUSPENDED); - else - status = vfs_quota_disable(sb, type, - DQUOT_SUSPENDED); + status = dquot_resume(sb, type); + else { + struct ocfs2_mem_dqinfo *oinfo; + + /* Cancel periodic syncing before suspending */ + oinfo = sb_dqinfo(sb, type)->dqi_priv; + cancel_delayed_work_sync(&oinfo->dqi_sync_work); + status = dquot_suspend(sb, type); + } if (status < 0) break; } @@ -916,8 +918,8 @@ static int ocfs2_enable_quotas(struct ocfs2_super *osb) status = -ENOENT; goto out_quota_off; } - status = vfs_quota_enable(inode[type], type, QFMT_OCFS2, - DQUOT_USAGE_ENABLED); + status = dquot_enable(inode[type], type, QFMT_OCFS2, + DQUOT_USAGE_ENABLED); if (status < 0) goto out_quota_off; } @@ -952,8 +954,8 @@ static void ocfs2_disable_quotas(struct ocfs2_super *osb) /* Turn off quotas. This will remove all dquot structures from * memory and so they will be automatically synced to global * quota files */ - vfs_quota_disable(sb, type, DQUOT_USAGE_ENABLED | - DQUOT_LIMITS_ENABLED); + dquot_disable(sb, type, DQUOT_USAGE_ENABLED | + DQUOT_LIMITS_ENABLED); if (!inode) continue; iput(inode); @@ -962,7 +964,7 @@ static void ocfs2_disable_quotas(struct ocfs2_super *osb) /* Handle quota on quotactl */ static int ocfs2_quota_on(struct super_block *sb, int type, int format_id, - char *path, int remount) + char *path) { unsigned int feature[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA, OCFS2_FEATURE_RO_COMPAT_GRPQUOTA}; @@ -970,30 +972,24 @@ static int ocfs2_quota_on(struct super_block *sb, int type, int format_id, if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type])) return -EINVAL; - if (remount) - return 0; /* Just ignore it has been handled in - * ocfs2_remount() */ - return vfs_quota_enable(sb_dqopt(sb)->files[type], type, - format_id, DQUOT_LIMITS_ENABLED); + return dquot_enable(sb_dqopt(sb)->files[type], type, + format_id, DQUOT_LIMITS_ENABLED); } /* Handle quota off quotactl */ -static int ocfs2_quota_off(struct super_block *sb, int type, int remount) +static int ocfs2_quota_off(struct super_block *sb, int type) { - if (remount) - return 0; /* Ignore now and handle later in - * ocfs2_remount() */ - return vfs_quota_disable(sb, type, DQUOT_LIMITS_ENABLED); + return dquot_disable(sb, type, DQUOT_LIMITS_ENABLED); } static const struct quotactl_ops ocfs2_quotactl_ops = { .quota_on = ocfs2_quota_on, .quota_off = ocfs2_quota_off, - .quota_sync = vfs_quota_sync, - .get_info = vfs_get_dqinfo, - .set_info = vfs_set_dqinfo, - .get_dqblk = vfs_get_dqblk, - .set_dqblk = vfs_set_dqblk, + .quota_sync = dquot_quota_sync, + .get_info = dquot_get_dqinfo, + .set_info = dquot_set_dqinfo, + .get_dqblk = dquot_get_dqblk, + .set_dqblk = dquot_set_dqblk, }; static int ocfs2_fill_super(struct super_block *sb, void *data, int silent) diff --git a/fs/omfs/file.c b/fs/omfs/file.c index 399487c09364..6e7a3291bbe8 100644 --- a/fs/omfs/file.c +++ b/fs/omfs/file.c @@ -329,7 +329,7 @@ const struct file_operations omfs_file_operations = { .aio_read = generic_file_aio_read, .aio_write = generic_file_aio_write, .mmap = generic_file_mmap, - .fsync = simple_fsync, + .fsync = generic_file_fsync, .splice_read = generic_file_splice_read, }; diff --git a/fs/pipe.c b/fs/pipe.c index d79872eba09a..db6eaaba0dd8 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -230,6 +230,7 @@ void *generic_pipe_buf_map(struct pipe_inode_info *pipe, return kmap(buf->page); } +EXPORT_SYMBOL(generic_pipe_buf_map); /** * generic_pipe_buf_unmap - unmap a previously mapped pipe buffer @@ -249,6 +250,7 @@ void generic_pipe_buf_unmap(struct pipe_inode_info *pipe, } else kunmap(buf->page); } +EXPORT_SYMBOL(generic_pipe_buf_unmap); /** * generic_pipe_buf_steal - attempt to take ownership of a &pipe_buffer @@ -279,6 +281,7 @@ int generic_pipe_buf_steal(struct pipe_inode_info *pipe, return 1; } +EXPORT_SYMBOL(generic_pipe_buf_steal); /** * generic_pipe_buf_get - get a reference to a &struct pipe_buffer @@ -294,6 +297,7 @@ void generic_pipe_buf_get(struct pipe_inode_info *pipe, struct pipe_buffer *buf) { page_cache_get(buf->page); } +EXPORT_SYMBOL(generic_pipe_buf_get); /** * generic_pipe_buf_confirm - verify contents of the pipe buffer @@ -309,6 +313,7 @@ int generic_pipe_buf_confirm(struct pipe_inode_info *info, { return 0; } +EXPORT_SYMBOL(generic_pipe_buf_confirm); /** * generic_pipe_buf_release - put a reference to a &struct pipe_buffer @@ -323,6 +328,7 @@ void generic_pipe_buf_release(struct pipe_inode_info *pipe, { page_cache_release(buf->page); } +EXPORT_SYMBOL(generic_pipe_buf_release); static const struct pipe_buf_operations anon_pipe_buf_ops = { .can_merge = 1, @@ -1169,14 +1175,18 @@ long pipe_fcntl(struct file *file, unsigned int cmd, unsigned long arg) switch (cmd) { case F_SETPIPE_SZ: - if (!capable(CAP_SYS_ADMIN) && arg > pipe_max_pages) - return -EINVAL; + if (!capable(CAP_SYS_ADMIN) && arg > pipe_max_pages) { + ret = -EINVAL; + goto out; + } /* * The pipe needs to be at least 2 pages large to * guarantee POSIX behaviour. */ - if (arg < 2) - return -EINVAL; + if (arg < 2) { + ret = -EINVAL; + goto out; + } ret = pipe_set_size(pipe, arg); break; case F_GETPIPE_SZ: @@ -1187,6 +1197,7 @@ long pipe_fcntl(struct file *file, unsigned int cmd, unsigned long arg) break; } +out: mutex_unlock(&pipe->inode->i_mutex); return ret; } diff --git a/fs/qnx4/dir.c b/fs/qnx4/dir.c index 3d3fd4692133..6e8fc62b40a8 100644 --- a/fs/qnx4/dir.c +++ b/fs/qnx4/dir.c @@ -80,7 +80,7 @@ const struct file_operations qnx4_dir_operations = .llseek = generic_file_llseek, .read = generic_read_dir, .readdir = qnx4_readdir, - .fsync = simple_fsync, + .fsync = generic_file_fsync, }; const struct inode_operations qnx4_dir_inode_operations = diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index 1ad8bf076cfc..12c233da1b6b 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -228,10 +228,6 @@ static struct hlist_head *dquot_hash; struct dqstats dqstats; EXPORT_SYMBOL(dqstats); -#ifdef CONFIG_SMP -struct dqstats *dqstats_pcpu; -EXPORT_SYMBOL(dqstats_pcpu); -#endif static qsize_t inode_get_rsv_space(struct inode *inode); static void __dquot_initialize(struct inode *inode, int type); @@ -584,7 +580,7 @@ out: } EXPORT_SYMBOL(dquot_scan_active); -int vfs_quota_sync(struct super_block *sb, int type, int wait) +int dquot_quota_sync(struct super_block *sb, int type, int wait) { struct list_head *dirty; struct dquot *dquot; @@ -656,7 +652,7 @@ int vfs_quota_sync(struct super_block *sb, int type, int wait) return 0; } -EXPORT_SYMBOL(vfs_quota_sync); +EXPORT_SYMBOL(dquot_quota_sync); /* Free unused dquots from cache */ static void prune_dqcache(int count) @@ -676,27 +672,10 @@ static void prune_dqcache(int count) } } -static int dqstats_read(unsigned int type) -{ - int count = 0; -#ifdef CONFIG_SMP - int cpu; - for_each_possible_cpu(cpu) - count += per_cpu_ptr(dqstats_pcpu, cpu)->stat[type]; - /* Statistics reading is racy, but absolute accuracy isn't required */ - if (count < 0) - count = 0; -#else - count = dqstats.stat[type]; -#endif - return count; -} - /* * This is called from kswapd when we think we need some * more memory */ - static int shrink_dqcache_memory(int nr, gfp_t gfp_mask) { if (nr) { @@ -704,7 +683,9 @@ static int shrink_dqcache_memory(int nr, gfp_t gfp_mask) prune_dqcache(nr); spin_unlock(&dq_list_lock); } - return (dqstats_read(DQST_FREE_DQUOTS)/100) * sysctl_vfs_cache_pressure; + return ((unsigned) + percpu_counter_read_positive(&dqstats.counter[DQST_FREE_DQUOTS]) + /100) * sysctl_vfs_cache_pressure; } static struct shrinker dqcache_shrinker = { @@ -1815,7 +1796,7 @@ int dquot_transfer(struct inode *inode, struct iattr *iattr) if (iattr->ia_valid & ATTR_UID && iattr->ia_uid != inode->i_uid) transfer_to[USRQUOTA] = dqget(sb, iattr->ia_uid, USRQUOTA); if (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid) - transfer_to[GRPQUOTA] = dqget(sb, iattr->ia_uid, GRPQUOTA); + transfer_to[GRPQUOTA] = dqget(sb, iattr->ia_gid, GRPQUOTA); ret = __dquot_transfer(inode, transfer_to); dqput_all(transfer_to); @@ -1850,6 +1831,7 @@ const struct dquot_operations dquot_operations = { .alloc_dquot = dquot_alloc, .destroy_dquot = dquot_destroy, }; +EXPORT_SYMBOL(dquot_operations); /* * Generic helper for ->open on filesystems supporting disk quotas. @@ -1868,7 +1850,7 @@ EXPORT_SYMBOL(dquot_file_open); /* * Turn quota off on a device. type == -1 ==> quotaoff for all types (umount) */ -int vfs_quota_disable(struct super_block *sb, int type, unsigned int flags) +int dquot_disable(struct super_block *sb, int type, unsigned int flags) { int cnt, ret = 0; struct quota_info *dqopt = sb_dqopt(sb); @@ -1998,14 +1980,15 @@ put_inodes: } return ret; } -EXPORT_SYMBOL(vfs_quota_disable); +EXPORT_SYMBOL(dquot_disable); -int vfs_quota_off(struct super_block *sb, int type, int remount) +int dquot_quota_off(struct super_block *sb, int type) { - return vfs_quota_disable(sb, type, remount ? DQUOT_SUSPENDED : - (DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED)); + return dquot_disable(sb, type, + DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED); } -EXPORT_SYMBOL(vfs_quota_off); +EXPORT_SYMBOL(dquot_quota_off); + /* * Turn quotas on on a device */ @@ -2123,36 +2106,43 @@ out_fmt: } /* Reenable quotas on remount RW */ -static int vfs_quota_on_remount(struct super_block *sb, int type) +int dquot_resume(struct super_block *sb, int type) { struct quota_info *dqopt = sb_dqopt(sb); struct inode *inode; - int ret; + int ret = 0, cnt; unsigned int flags; - mutex_lock(&dqopt->dqonoff_mutex); - if (!sb_has_quota_suspended(sb, type)) { + for (cnt = 0; cnt < MAXQUOTAS; cnt++) { + if (type != -1 && cnt != type) + continue; + + mutex_lock(&dqopt->dqonoff_mutex); + if (!sb_has_quota_suspended(sb, cnt)) { + mutex_unlock(&dqopt->dqonoff_mutex); + continue; + } + inode = dqopt->files[cnt]; + dqopt->files[cnt] = NULL; + spin_lock(&dq_state_lock); + flags = dqopt->flags & dquot_state_flag(DQUOT_USAGE_ENABLED | + DQUOT_LIMITS_ENABLED, + cnt); + dqopt->flags &= ~dquot_state_flag(DQUOT_STATE_FLAGS, cnt); + spin_unlock(&dq_state_lock); mutex_unlock(&dqopt->dqonoff_mutex); - return 0; - } - inode = dqopt->files[type]; - dqopt->files[type] = NULL; - spin_lock(&dq_state_lock); - flags = dqopt->flags & dquot_state_flag(DQUOT_USAGE_ENABLED | - DQUOT_LIMITS_ENABLED, type); - dqopt->flags &= ~dquot_state_flag(DQUOT_STATE_FLAGS, type); - spin_unlock(&dq_state_lock); - mutex_unlock(&dqopt->dqonoff_mutex); - flags = dquot_generic_flag(flags, type); - ret = vfs_load_quota_inode(inode, type, dqopt->info[type].dqi_fmt_id, - flags); - iput(inode); + flags = dquot_generic_flag(flags, cnt); + ret = vfs_load_quota_inode(inode, cnt, + dqopt->info[cnt].dqi_fmt_id, flags); + iput(inode); + } return ret; } +EXPORT_SYMBOL(dquot_resume); -int vfs_quota_on_path(struct super_block *sb, int type, int format_id, +int dquot_quota_on_path(struct super_block *sb, int type, int format_id, struct path *path) { int error = security_quota_on(path->dentry); @@ -2167,40 +2157,36 @@ int vfs_quota_on_path(struct super_block *sb, int type, int format_id, DQUOT_LIMITS_ENABLED); return error; } -EXPORT_SYMBOL(vfs_quota_on_path); +EXPORT_SYMBOL(dquot_quota_on_path); -int vfs_quota_on(struct super_block *sb, int type, int format_id, char *name, - int remount) +int dquot_quota_on(struct super_block *sb, int type, int format_id, char *name) { struct path path; int error; - if (remount) - return vfs_quota_on_remount(sb, type); - error = kern_path(name, LOOKUP_FOLLOW, &path); if (!error) { - error = vfs_quota_on_path(sb, type, format_id, &path); + error = dquot_quota_on_path(sb, type, format_id, &path); path_put(&path); } return error; } -EXPORT_SYMBOL(vfs_quota_on); +EXPORT_SYMBOL(dquot_quota_on); /* * More powerful function for turning on quotas allowing setting * of individual quota flags */ -int vfs_quota_enable(struct inode *inode, int type, int format_id, - unsigned int flags) +int dquot_enable(struct inode *inode, int type, int format_id, + unsigned int flags) { int ret = 0; struct super_block *sb = inode->i_sb; struct quota_info *dqopt = sb_dqopt(sb); /* Just unsuspend quotas? */ - if (flags & DQUOT_SUSPENDED) - return vfs_quota_on_remount(sb, type); + BUG_ON(flags & DQUOT_SUSPENDED); + if (!flags) return 0; /* Just updating flags needed? */ @@ -2232,13 +2218,13 @@ out_lock: load_quota: return vfs_load_quota_inode(inode, type, format_id, flags); } -EXPORT_SYMBOL(vfs_quota_enable); +EXPORT_SYMBOL(dquot_enable); /* * This function is used when filesystem needs to initialize quotas * during mount time. */ -int vfs_quota_on_mount(struct super_block *sb, char *qf_name, +int dquot_quota_on_mount(struct super_block *sb, char *qf_name, int format_id, int type) { struct dentry *dentry; @@ -2264,24 +2250,7 @@ out: dput(dentry); return error; } -EXPORT_SYMBOL(vfs_quota_on_mount); - -/* Wrapper to turn on quotas when remounting rw */ -int vfs_dq_quota_on_remount(struct super_block *sb) -{ - int cnt; - int ret = 0, err; - - if (!sb->s_qcop || !sb->s_qcop->quota_on) - return -ENOSYS; - for (cnt = 0; cnt < MAXQUOTAS; cnt++) { - err = sb->s_qcop->quota_on(sb, cnt, 0, NULL, 1); - if (err < 0 && !ret) - ret = err; - } - return ret; -} -EXPORT_SYMBOL(vfs_dq_quota_on_remount); +EXPORT_SYMBOL(dquot_quota_on_mount); static inline qsize_t qbtos(qsize_t blocks) { @@ -2316,8 +2285,8 @@ static void do_get_dqblk(struct dquot *dquot, struct fs_disk_quota *di) spin_unlock(&dq_data_lock); } -int vfs_get_dqblk(struct super_block *sb, int type, qid_t id, - struct fs_disk_quota *di) +int dquot_get_dqblk(struct super_block *sb, int type, qid_t id, + struct fs_disk_quota *di) { struct dquot *dquot; @@ -2329,7 +2298,7 @@ int vfs_get_dqblk(struct super_block *sb, int type, qid_t id, return 0; } -EXPORT_SYMBOL(vfs_get_dqblk); +EXPORT_SYMBOL(dquot_get_dqblk); #define VFS_FS_DQ_MASK \ (FS_DQ_BCOUNT | FS_DQ_BSOFT | FS_DQ_BHARD | \ @@ -2428,7 +2397,7 @@ static int do_set_dqblk(struct dquot *dquot, struct fs_disk_quota *di) return 0; } -int vfs_set_dqblk(struct super_block *sb, int type, qid_t id, +int dquot_set_dqblk(struct super_block *sb, int type, qid_t id, struct fs_disk_quota *di) { struct dquot *dquot; @@ -2444,10 +2413,10 @@ int vfs_set_dqblk(struct super_block *sb, int type, qid_t id, out: return rc; } -EXPORT_SYMBOL(vfs_set_dqblk); +EXPORT_SYMBOL(dquot_set_dqblk); /* Generic routine for getting common part of quota file information */ -int vfs_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii) +int dquot_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii) { struct mem_dqinfo *mi; @@ -2466,10 +2435,10 @@ int vfs_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii) mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex); return 0; } -EXPORT_SYMBOL(vfs_get_dqinfo); +EXPORT_SYMBOL(dquot_get_dqinfo); /* Generic routine for setting common part of quota file information */ -int vfs_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii) +int dquot_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii) { struct mem_dqinfo *mi; int err = 0; @@ -2496,27 +2465,27 @@ out: mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex); return err; } -EXPORT_SYMBOL(vfs_set_dqinfo); +EXPORT_SYMBOL(dquot_set_dqinfo); -const struct quotactl_ops vfs_quotactl_ops = { - .quota_on = vfs_quota_on, - .quota_off = vfs_quota_off, - .quota_sync = vfs_quota_sync, - .get_info = vfs_get_dqinfo, - .set_info = vfs_set_dqinfo, - .get_dqblk = vfs_get_dqblk, - .set_dqblk = vfs_set_dqblk +const struct quotactl_ops dquot_quotactl_ops = { + .quota_on = dquot_quota_on, + .quota_off = dquot_quota_off, + .quota_sync = dquot_quota_sync, + .get_info = dquot_get_dqinfo, + .set_info = dquot_set_dqinfo, + .get_dqblk = dquot_get_dqblk, + .set_dqblk = dquot_set_dqblk }; - +EXPORT_SYMBOL(dquot_quotactl_ops); static int do_proc_dqstats(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { -#ifdef CONFIG_SMP - /* Update global table */ unsigned int type = (int *)table->data - dqstats.stat; - dqstats.stat[type] = dqstats_read(type); -#endif + + /* Update global table */ + dqstats.stat[type] = + percpu_counter_sum_positive(&dqstats.counter[type]); return proc_dointvec(table, write, buffer, lenp, ppos); } @@ -2609,7 +2578,7 @@ static ctl_table sys_table[] = { static int __init dquot_init(void) { - int i; + int i, ret; unsigned long nr_hash, order; printk(KERN_NOTICE "VFS: Disk quotas %s\n", __DQUOT_VERSION__); @@ -2627,12 +2596,11 @@ static int __init dquot_init(void) if (!dquot_hash) panic("Cannot create dquot hash table"); -#ifdef CONFIG_SMP - dqstats_pcpu = alloc_percpu(struct dqstats); - if (!dqstats_pcpu) - panic("Cannot create dquot stats table"); -#endif - memset(&dqstats, 0, sizeof(struct dqstats)); + for (i = 0; i < _DQST_DQSTAT_LAST; i++) { + ret = percpu_counter_init(&dqstats.counter[i], 0); + if (ret) + panic("Cannot create dquot stat counters"); + } /* Find power-of-two hlist_heads which can fit into allocation */ nr_hash = (1UL << order) * PAGE_SIZE / sizeof(struct hlist_head); diff --git a/fs/quota/quota.c b/fs/quota/quota.c index ce3dfd066f59..b299961e1edb 100644 --- a/fs/quota/quota.c +++ b/fs/quota/quota.c @@ -73,7 +73,7 @@ static int quota_quotaon(struct super_block *sb, int type, int cmd, qid_t id, if (IS_ERR(pathname)) return PTR_ERR(pathname); if (sb->s_qcop->quota_on) - ret = sb->s_qcop->quota_on(sb, type, id, pathname, 0); + ret = sb->s_qcop->quota_on(sb, type, id, pathname); putname(pathname); return ret; } @@ -260,7 +260,7 @@ static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id, case Q_QUOTAOFF: if (!sb->s_qcop->quota_off) return -ENOSYS; - return sb->s_qcop->quota_off(sb, type, 0); + return sb->s_qcop->quota_off(sb, type); case Q_GETFMT: return quota_getfmt(sb, type, addr); case Q_GETINFO: diff --git a/fs/ramfs/file-mmu.c b/fs/ramfs/file-mmu.c index 78f613cb9c76..4884ac5ae9be 100644 --- a/fs/ramfs/file-mmu.c +++ b/fs/ramfs/file-mmu.c @@ -43,12 +43,13 @@ const struct file_operations ramfs_file_operations = { .write = do_sync_write, .aio_write = generic_file_aio_write, .mmap = generic_file_mmap, - .fsync = simple_sync_file, + .fsync = noop_fsync, .splice_read = generic_file_splice_read, .splice_write = generic_file_splice_write, .llseek = generic_file_llseek, }; const struct inode_operations ramfs_file_inode_operations = { + .setattr = simple_setattr, .getattr = simple_getattr, }; diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c index 5ea4ad81a429..d532c20fc179 100644 --- a/fs/ramfs/file-nommu.c +++ b/fs/ramfs/file-nommu.c @@ -42,7 +42,7 @@ const struct file_operations ramfs_file_operations = { .aio_read = generic_file_aio_read, .write = do_sync_write, .aio_write = generic_file_aio_write, - .fsync = simple_sync_file, + .fsync = noop_fsync, .splice_read = generic_file_splice_read, .splice_write = generic_file_splice_write, .llseek = generic_file_llseek, @@ -146,7 +146,7 @@ static int ramfs_nommu_resize(struct inode *inode, loff_t newsize, loff_t size) return ret; } - ret = vmtruncate(inode, newsize); + ret = simple_setsize(inode, newsize); return ret; } @@ -169,7 +169,8 @@ static int ramfs_nommu_setattr(struct dentry *dentry, struct iattr *ia) /* pick out size-changing events */ if (ia->ia_valid & ATTR_SIZE) { - loff_t size = i_size_read(inode); + loff_t size = inode->i_size; + if (ia->ia_size != size) { ret = ramfs_nommu_resize(inode, ia->ia_size, size); if (ret < 0 || ia->ia_valid == ATTR_SIZE) @@ -182,7 +183,7 @@ static int ramfs_nommu_setattr(struct dentry *dentry, struct iattr *ia) } } - ret = inode_setattr(inode, ia); + generic_setattr(inode, ia); out: ia->ia_valid = old_ia_valid; return ret; diff --git a/fs/reiserfs/dir.c b/fs/reiserfs/dir.c index 4455fbe269a3..198dabf1b2bb 100644 --- a/fs/reiserfs/dir.c +++ b/fs/reiserfs/dir.c @@ -14,8 +14,7 @@ extern const struct reiserfs_key MIN_KEY; static int reiserfs_readdir(struct file *, void *, filldir_t); -static int reiserfs_dir_fsync(struct file *filp, struct dentry *dentry, - int datasync); +static int reiserfs_dir_fsync(struct file *filp, int datasync); const struct file_operations reiserfs_dir_operations = { .llseek = generic_file_llseek, @@ -28,10 +27,9 @@ const struct file_operations reiserfs_dir_operations = { #endif }; -static int reiserfs_dir_fsync(struct file *filp, struct dentry *dentry, - int datasync) +static int reiserfs_dir_fsync(struct file *filp, int datasync) { - struct inode *inode = dentry->d_inode; + struct inode *inode = filp->f_mapping->host; int err; reiserfs_write_lock(inode->i_sb); err = reiserfs_commit_for_inode(inode); diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c index 9977df9f3a54..b82cdd8a45dd 100644 --- a/fs/reiserfs/file.c +++ b/fs/reiserfs/file.c @@ -134,10 +134,9 @@ static void reiserfs_vfs_truncate_file(struct inode *inode) * be removed... */ -static int reiserfs_sync_file(struct file *filp, - struct dentry *dentry, int datasync) +static int reiserfs_sync_file(struct file *filp, int datasync) { - struct inode *inode = dentry->d_inode; + struct inode *inode = filp->f_mapping->host; int err; int barrier_done; diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index 59125fb36d42..9822fa15118b 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -158,6 +158,7 @@ static int finish_unfinished(struct super_block *s) #ifdef CONFIG_QUOTA int i; int ms_active_set; + int quota_enabled[MAXQUOTAS]; #endif /* compose key to look for "save" links */ @@ -179,8 +180,15 @@ static int finish_unfinished(struct super_block *s) } /* Turn on quotas so that they are updated correctly */ for (i = 0; i < MAXQUOTAS; i++) { + quota_enabled[i] = 1; if (REISERFS_SB(s)->s_qf_names[i]) { - int ret = reiserfs_quota_on_mount(s, i); + int ret; + + if (sb_has_quota_active(s, i)) { + quota_enabled[i] = 0; + continue; + } + ret = reiserfs_quota_on_mount(s, i); if (ret < 0) reiserfs_warning(s, "reiserfs-2500", "cannot turn on journaled " @@ -304,8 +312,8 @@ static int finish_unfinished(struct super_block *s) #ifdef CONFIG_QUOTA /* Turn quotas off */ for (i = 0; i < MAXQUOTAS; i++) { - if (sb_dqopt(s)->files[i]) - vfs_quota_off(s, i, 0); + if (sb_dqopt(s)->files[i] && quota_enabled[i]) + dquot_quota_off(s, i); } if (ms_active_set) /* Restore the flag back */ @@ -466,6 +474,8 @@ static void reiserfs_put_super(struct super_block *s) struct reiserfs_transaction_handle th; th.t_trans_id = 0; + dquot_disable(s, -1, DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED); + reiserfs_write_lock(s); if (s->s_dirt) @@ -620,7 +630,7 @@ static int reiserfs_acquire_dquot(struct dquot *); static int reiserfs_release_dquot(struct dquot *); static int reiserfs_mark_dquot_dirty(struct dquot *); static int reiserfs_write_info(struct super_block *, int); -static int reiserfs_quota_on(struct super_block *, int, int, char *, int); +static int reiserfs_quota_on(struct super_block *, int, int, char *); static const struct dquot_operations reiserfs_quota_operations = { .write_dquot = reiserfs_write_dquot, @@ -634,12 +644,12 @@ static const struct dquot_operations reiserfs_quota_operations = { static const struct quotactl_ops reiserfs_qctl_operations = { .quota_on = reiserfs_quota_on, - .quota_off = vfs_quota_off, - .quota_sync = vfs_quota_sync, - .get_info = vfs_get_dqinfo, - .set_info = vfs_set_dqinfo, - .get_dqblk = vfs_get_dqblk, - .set_dqblk = vfs_set_dqblk, + .quota_off = dquot_quota_off, + .quota_sync = dquot_quota_sync, + .get_info = dquot_get_dqinfo, + .set_info = dquot_set_dqinfo, + .get_dqblk = dquot_get_dqblk, + .set_dqblk = dquot_set_dqblk, }; #endif @@ -1242,6 +1252,11 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg) if (s->s_flags & MS_RDONLY) /* it is read-only already */ goto out_ok; + + err = dquot_suspend(s, -1); + if (err < 0) + goto out_err; + /* try to remount file system with read-only permissions */ if (sb_umount_state(rs) == REISERFS_VALID_FS || REISERFS_SB(s)->s_mount_state != REISERFS_VALID_FS) { @@ -1295,6 +1310,7 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg) s->s_dirt = 0; if (!(*mount_flags & MS_RDONLY)) { + dquot_resume(s, -1); finish_unfinished(s); reiserfs_xattr_init(s, *mount_flags); } @@ -2022,15 +2038,15 @@ static int reiserfs_write_info(struct super_block *sb, int type) */ static int reiserfs_quota_on_mount(struct super_block *sb, int type) { - return vfs_quota_on_mount(sb, REISERFS_SB(sb)->s_qf_names[type], - REISERFS_SB(sb)->s_jquota_fmt, type); + return dquot_quota_on_mount(sb, REISERFS_SB(sb)->s_qf_names[type], + REISERFS_SB(sb)->s_jquota_fmt, type); } /* * Standard function to be called on quota_on */ static int reiserfs_quota_on(struct super_block *sb, int type, int format_id, - char *name, int remount) + char *name) { int err; struct path path; @@ -2039,9 +2055,7 @@ static int reiserfs_quota_on(struct super_block *sb, int type, int format_id, if (!(REISERFS_SB(sb)->s_mount_opt & (1 << REISERFS_QUOTA))) return -EINVAL; - /* No more checks needed? Path and format_id are bogus anyway... */ - if (remount) - return vfs_quota_on(sb, type, format_id, name, 1); + err = kern_path(name, LOOKUP_FOLLOW, &path); if (err) return err; @@ -2085,7 +2099,7 @@ static int reiserfs_quota_on(struct super_block *sb, int type, int format_id, if (err) goto out; } - err = vfs_quota_on_path(sb, type, format_id, &path); + err = dquot_quota_on_path(sb, type, format_id, &path); out: path_put(&path); return err; diff --git a/fs/smbfs/file.c b/fs/smbfs/file.c index 84ecf0e43f91..8e187a0f94bb 100644 --- a/fs/smbfs/file.c +++ b/fs/smbfs/file.c @@ -28,8 +28,9 @@ #include "proto.h" static int -smb_fsync(struct file *file, struct dentry * dentry, int datasync) +smb_fsync(struct file *file, int datasync) { + struct dentry *dentry = file->f_path.dentry; struct smb_sb_info *server = server_from_dentry(dentry); int result; diff --git a/fs/smbfs/inode.c b/fs/smbfs/inode.c index dfa1d67f8fca..9551cb6f7fe4 100644 --- a/fs/smbfs/inode.c +++ b/fs/smbfs/inode.c @@ -714,7 +714,7 @@ smb_notify_change(struct dentry *dentry, struct iattr *attr) error = server->ops->truncate(inode, attr->ia_size); if (error) goto out; - error = vmtruncate(inode, attr->ia_size); + error = simple_setsize(inode, attr->ia_size); if (error) goto out; refresh = 1; diff --git a/fs/super.c b/fs/super.c index 69688b15f1fa..5c35bc7a499e 100644 --- a/fs/super.c +++ b/fs/super.c @@ -24,7 +24,6 @@ #include <linux/slab.h> #include <linux/acct.h> #include <linux/blkdev.h> -#include <linux/quotaops.h> #include <linux/mount.h> #include <linux/security.h> #include <linux/writeback.h> /* for the emergency remount stuff */ @@ -94,8 +93,6 @@ static struct super_block *alloc_super(struct file_system_type *type) init_rwsem(&s->s_dquot.dqptr_sem); init_waitqueue_head(&s->s_wait_unfrozen); s->s_maxbytes = MAX_NON_LFS; - s->dq_op = sb_dquot_ops; - s->s_qcop = sb_quotactl_ops; s->s_op = &default_op; s->s_time_gran = 1000000000; } @@ -160,7 +157,6 @@ void deactivate_locked_super(struct super_block *s) { struct file_system_type *fs = s->s_type; if (atomic_dec_and_test(&s->s_active)) { - vfs_dq_off(s, 0); fs->kill_sb(s); put_filesystem(fs); put_super(s); @@ -524,7 +520,7 @@ rescan: int do_remount_sb(struct super_block *sb, int flags, void *data, int force) { int retval; - int remount_rw, remount_ro; + int remount_ro; if (sb->s_frozen != SB_UNFROZEN) return -EBUSY; @@ -540,7 +536,6 @@ int do_remount_sb(struct super_block *sb, int flags, void *data, int force) sync_filesystem(sb); remount_ro = (flags & MS_RDONLY) && !(sb->s_flags & MS_RDONLY); - remount_rw = !(flags & MS_RDONLY) && (sb->s_flags & MS_RDONLY); /* If we are remounting RDONLY and current sb is read/write, make sure there are no rw files opened */ @@ -549,9 +544,6 @@ int do_remount_sb(struct super_block *sb, int flags, void *data, int force) mark_files_ro(sb); else if (!fs_may_remount_ro(sb)) return -EBUSY; - retval = vfs_dq_off(sb, 1); - if (retval < 0 && retval != -ENOSYS) - return -EBUSY; } if (sb->s_op->remount_fs) { @@ -560,8 +552,7 @@ int do_remount_sb(struct super_block *sb, int flags, void *data, int force) return retval; } sb->s_flags = (sb->s_flags & ~MS_RMT_MASK) | (flags & MS_RMT_MASK); - if (remount_rw) - vfs_dq_quota_on_remount(sb); + /* * Some filesystems modify their metadata via some other path than the * bdev buffer cache (eg. use a private mapping, or directories in @@ -946,8 +937,8 @@ out: EXPORT_SYMBOL_GPL(vfs_kern_mount); /** - * freeze_super -- lock the filesystem and force it into a consistent state - * @super: the super to lock + * freeze_super - lock the filesystem and force it into a consistent state + * @sb: the super to lock * * Syncs the super to make sure the filesystem is consistent and calls the fs's * freeze_fs. Subsequent calls to this without first thawing the fs will return diff --git a/fs/sync.c b/fs/sync.c index e8cbd415e50a..c9f83f480ec5 100644 --- a/fs/sync.c +++ b/fs/sync.c @@ -130,12 +130,10 @@ void emergency_sync(void) /* * Generic function to fsync a file. - * - * filp may be NULL if called via the msync of a vma. */ -int file_fsync(struct file *filp, struct dentry *dentry, int datasync) +int file_fsync(struct file *filp, int datasync) { - struct inode * inode = dentry->d_inode; + struct inode *inode = filp->f_mapping->host; struct super_block * sb; int ret, err; @@ -183,7 +181,7 @@ int vfs_fsync_range(struct file *file, loff_t start, loff_t end, int datasync) * livelocks in fsync_buffers_list(). */ mutex_lock(&mapping->host->i_mutex); - err = file->f_op->fsync(file, file->f_path.dentry, datasync); + err = file->f_op->fsync(file, datasync); if (!ret) ret = err; mutex_unlock(&mapping->host->i_mutex); diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c index bbd77e95cf7f..bde1a4c3679a 100644 --- a/fs/sysfs/inode.c +++ b/fs/sysfs/inode.c @@ -117,13 +117,11 @@ int sysfs_setattr(struct dentry *dentry, struct iattr *iattr) if (error) goto out; - iattr->ia_valid &= ~ATTR_SIZE; /* ignore size changes */ - - error = inode_setattr(inode, iattr); - if (error) - goto out; + /* this ignores size changes */ + generic_setattr(inode, iattr); error = sysfs_sd_setattr(sd, iattr); + out: mutex_unlock(&sysfs_mutex); return error; diff --git a/fs/sysv/dir.c b/fs/sysv/dir.c index 1dabed286b4c..79941e4964a4 100644 --- a/fs/sysv/dir.c +++ b/fs/sysv/dir.c @@ -24,7 +24,7 @@ const struct file_operations sysv_dir_operations = { .llseek = generic_file_llseek, .read = generic_read_dir, .readdir = sysv_readdir, - .fsync = simple_fsync, + .fsync = generic_file_fsync, }; static inline void dir_put_page(struct page *page) diff --git a/fs/sysv/file.c b/fs/sysv/file.c index 96340c01f4a7..750cc22349bd 100644 --- a/fs/sysv/file.c +++ b/fs/sysv/file.c @@ -26,7 +26,7 @@ const struct file_operations sysv_file_operations = { .write = do_sync_write, .aio_write = generic_file_aio_write, .mmap = generic_file_mmap, - .fsync = simple_fsync, + .fsync = generic_file_fsync, .splice_read = generic_file_splice_read, }; diff --git a/fs/sysv/inode.c b/fs/sysv/inode.c index 4573734d723d..d4a5380b5669 100644 --- a/fs/sysv/inode.c +++ b/fs/sysv/inode.c @@ -43,6 +43,7 @@ static int sysv_sync_fs(struct super_block *sb, int wait) * then attach current time stamp. * But if the filesystem was marked clean, keep it clean. */ + sb->s_dirt = 0; old_time = fs32_to_cpu(sbi, *sbi->s_sb_time); if (sbi->s_type == FSTYPE_SYSV4) { if (*sbi->s_sb_state == cpu_to_fs32(sbi, 0x7c269d38 - old_time)) diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c index 5692cf72b807..12f445cee9f7 100644 --- a/fs/ubifs/file.c +++ b/fs/ubifs/file.c @@ -967,12 +967,15 @@ static int do_writepage(struct page *page, int len) * the page locked, and it locks @ui_mutex. However, write-back does take inode * @i_mutex, which means other VFS operations may be run on this inode at the * same time. And the problematic one is truncation to smaller size, from where - * we have to call 'vmtruncate()', which first changes @inode->i_size, then + * we have to call 'simple_setsize()', which first changes @inode->i_size, then * drops the truncated pages. And while dropping the pages, it takes the page - * lock. This means that 'do_truncation()' cannot call 'vmtruncate()' with + * lock. This means that 'do_truncation()' cannot call 'simple_setsize()' with * @ui_mutex locked, because it would deadlock with 'ubifs_writepage()'. This * means that @inode->i_size is changed while @ui_mutex is unlocked. * + * XXX: with the new truncate the above is not true anymore, the simple_setsize + * calls can be replaced with the individual components. + * * But in 'ubifs_writepage()' we have to guarantee that we do not write beyond * inode size. How do we do this if @inode->i_size may became smaller while we * are in the middle of 'ubifs_writepage()'? The UBIFS solution is the @@ -1125,7 +1128,7 @@ static int do_truncation(struct ubifs_info *c, struct inode *inode, budgeted = 0; } - err = vmtruncate(inode, new_size); + err = simple_setsize(inode, new_size); if (err) goto out_budg; @@ -1214,7 +1217,7 @@ static int do_setattr(struct ubifs_info *c, struct inode *inode, if (attr->ia_valid & ATTR_SIZE) { dbg_gen("size %lld -> %lld", inode->i_size, new_size); - err = vmtruncate(inode, new_size); + err = simple_setsize(inode, new_size); if (err) goto out; } @@ -1223,7 +1226,7 @@ static int do_setattr(struct ubifs_info *c, struct inode *inode, if (attr->ia_valid & ATTR_SIZE) { /* Truncation changes inode [mc]time */ inode->i_mtime = inode->i_ctime = ubifs_current_time(inode); - /* 'vmtruncate()' changed @i_size, update @ui_size */ + /* 'simple_setsize()' changed @i_size, update @ui_size */ ui->ui_size = inode->i_size; } @@ -1304,9 +1307,9 @@ static void *ubifs_follow_link(struct dentry *dentry, struct nameidata *nd) return NULL; } -int ubifs_fsync(struct file *file, struct dentry *dentry, int datasync) +int ubifs_fsync(struct file *file, int datasync) { - struct inode *inode = dentry->d_inode; + struct inode *inode = file->f_mapping->host; struct ubifs_info *c = inode->i_sb->s_fs_info; int err; diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h index bd2542dad014..2eef553d50c8 100644 --- a/fs/ubifs/ubifs.h +++ b/fs/ubifs/ubifs.h @@ -379,7 +379,7 @@ struct ubifs_gced_idx_leb { * The @ui_size is a "shadow" variable for @inode->i_size and UBIFS uses * @ui_size instead of @inode->i_size. The reason for this is that UBIFS cannot * make sure @inode->i_size is always changed under @ui_mutex, because it - * cannot call 'vmtruncate()' with @ui_mutex locked, because it would deadlock + * cannot call 'simple_setsize()' with @ui_mutex locked, because it would deadlock * with 'ubifs_writepage()' (see file.c). All the other inode fields are * changed under @ui_mutex, so they do not need "shadow" fields. Note, one * could consider to rework locking and base it on "shadow" fields. @@ -1678,7 +1678,7 @@ const struct ubifs_lprops *ubifs_fast_find_frdi_idx(struct ubifs_info *c); int ubifs_calc_dark(const struct ubifs_info *c, int spc); /* file.c */ -int ubifs_fsync(struct file *file, struct dentry *dentry, int datasync); +int ubifs_fsync(struct file *file, int datasync); int ubifs_setattr(struct dentry *dentry, struct iattr *attr); /* dir.c */ diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c index 9a9378b4eb5a..b608efaa4cee 100644 --- a/fs/udf/balloc.c +++ b/fs/udf/balloc.c @@ -21,7 +21,6 @@ #include "udfdecl.h" -#include <linux/quotaops.h> #include <linux/buffer_head.h> #include <linux/bitops.h> @@ -159,8 +158,6 @@ static void udf_bitmap_free_blocks(struct super_block *sb, udf_debug("byte=%2x\n", ((char *)bh->b_data)[(bit + i) >> 3]); } else { - if (inode) - dquot_free_block(inode, 1); udf_add_free_space(sb, sbi->s_partition, 1); } } @@ -210,15 +207,8 @@ static int udf_bitmap_prealloc_blocks(struct super_block *sb, bit = block % (sb->s_blocksize << 3); while (bit < (sb->s_blocksize << 3) && block_count > 0) { - if (!udf_test_bit(bit, bh->b_data)) + if (!udf_clear_bit(bit, bh->b_data)) goto out; - else if (dquot_prealloc_block(inode, 1)) - goto out; - else if (!udf_clear_bit(bit, bh->b_data)) { - udf_debug("bit already cleared for block %d\n", bit); - dquot_free_block(inode, 1); - goto out; - } block_count--; alloc_count++; bit++; @@ -338,20 +328,6 @@ search_back: } got_block: - - /* - * Check quota for allocation of this block. - */ - if (inode) { - int ret = dquot_alloc_block(inode, 1); - - if (ret) { - mutex_unlock(&sbi->s_alloc_mutex); - *err = ret; - return 0; - } - } - newblock = bit + (block_group << (sb->s_blocksize_bits + 3)) - (sizeof(struct spaceBitmapDesc) << 3); @@ -401,10 +377,6 @@ static void udf_table_free_blocks(struct super_block *sb, } iinfo = UDF_I(table); - /* We do this up front - There are some error conditions that - could occure, but.. oh well */ - if (inode) - dquot_free_block(inode, count); udf_add_free_space(sb, sbi->s_partition, count); start = bloc->logicalBlockNum + offset; @@ -649,10 +621,7 @@ static int udf_table_prealloc_blocks(struct super_block *sb, epos.offset -= adsize; alloc_count = (elen >> sb->s_blocksize_bits); - if (inode && dquot_prealloc_block(inode, - alloc_count > block_count ? block_count : alloc_count)) - alloc_count = 0; - else if (alloc_count > block_count) { + if (alloc_count > block_count) { alloc_count = block_count; eloc.logicalBlockNum += alloc_count; elen -= (alloc_count << sb->s_blocksize_bits); @@ -752,14 +721,6 @@ static int udf_table_new_block(struct super_block *sb, newblock = goal_eloc.logicalBlockNum; goal_eloc.logicalBlockNum++; goal_elen -= sb->s_blocksize; - if (inode) { - *err = dquot_alloc_block(inode, 1); - if (*err) { - brelse(goal_epos.bh); - mutex_unlock(&sbi->s_alloc_mutex); - return 0; - } - } if (goal_elen) udf_write_aext(table, &goal_epos, &goal_eloc, goal_elen, 1); diff --git a/fs/udf/dir.c b/fs/udf/dir.c index 1660c81ffa3d..51552bf50225 100644 --- a/fs/udf/dir.c +++ b/fs/udf/dir.c @@ -211,5 +211,5 @@ const struct file_operations udf_dir_operations = { .read = generic_read_dir, .readdir = udf_readdir, .unlocked_ioctl = udf_ioctl, - .fsync = simple_fsync, + .fsync = generic_file_fsync, }; diff --git a/fs/udf/file.c b/fs/udf/file.c index baae3a723946..6e450e01a1bb 100644 --- a/fs/udf/file.c +++ b/fs/udf/file.c @@ -34,10 +34,8 @@ #include <linux/errno.h> #include <linux/smp_lock.h> #include <linux/pagemap.h> -#include <linux/quotaops.h> #include <linux/buffer_head.h> #include <linux/aio.h> -#include <linux/smp_lock.h> #include "udf_i.h" #include "udf_sb.h" @@ -219,39 +217,16 @@ const struct file_operations udf_file_operations = { .read = do_sync_read, .aio_read = generic_file_aio_read, .unlocked_ioctl = udf_ioctl, - .open = dquot_file_open, + .open = generic_file_open, .mmap = generic_file_mmap, .write = do_sync_write, .aio_write = udf_file_aio_write, .release = udf_release_file, - .fsync = simple_fsync, + .fsync = generic_file_fsync, .splice_read = generic_file_splice_read, .llseek = generic_file_llseek, }; -int udf_setattr(struct dentry *dentry, struct iattr *iattr) -{ - struct inode *inode = dentry->d_inode; - int error; - - error = inode_change_ok(inode, iattr); - if (error) - return error; - - if (is_quota_modification(inode, iattr)) - dquot_initialize(inode); - - if ((iattr->ia_valid & ATTR_UID && iattr->ia_uid != inode->i_uid) || - (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid)) { - error = dquot_transfer(inode, iattr); - if (error) - return error; - } - - return inode_setattr(inode, iattr); -} - const struct inode_operations udf_file_inode_operations = { .truncate = udf_truncate, - .setattr = udf_setattr, }; diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c index 2b5586c7f02a..18cd7111185d 100644 --- a/fs/udf/ialloc.c +++ b/fs/udf/ialloc.c @@ -20,7 +20,6 @@ #include "udfdecl.h" #include <linux/fs.h> -#include <linux/quotaops.h> #include <linux/sched.h> #include <linux/slab.h> @@ -32,13 +31,6 @@ void udf_free_inode(struct inode *inode) struct super_block *sb = inode->i_sb; struct udf_sb_info *sbi = UDF_SB(sb); - /* - * Note: we must free any quota before locking the superblock, - * as writing the quota to disk may need the lock as well. - */ - dquot_free_inode(inode); - dquot_drop(inode); - clear_inode(inode); mutex_lock(&sbi->s_alloc_mutex); @@ -61,7 +53,7 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err) struct super_block *sb = dir->i_sb; struct udf_sb_info *sbi = UDF_SB(sb); struct inode *inode; - int block, ret; + int block; uint32_t start = UDF_I(dir)->i_location.logicalBlockNum; struct udf_inode_info *iinfo; struct udf_inode_info *dinfo = UDF_I(dir); @@ -146,17 +138,6 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err) insert_inode_hash(inode); mark_inode_dirty(inode); - dquot_initialize(inode); - ret = dquot_alloc_inode(inode); - if (ret) { - dquot_drop(inode); - inode->i_flags |= S_NOQUOTA; - inode->i_nlink = 0; - iput(inode); - *err = ret; - return NULL; - } - *err = 0; return inode; } diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 8a3fbd177cab..124852bcf6fe 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -36,7 +36,6 @@ #include <linux/pagemap.h> #include <linux/buffer_head.h> #include <linux/writeback.h> -#include <linux/quotaops.h> #include <linux/slab.h> #include <linux/crc-itu-t.h> @@ -71,9 +70,6 @@ static int udf_get_block(struct inode *, sector_t, struct buffer_head *, int); void udf_delete_inode(struct inode *inode) { - if (!is_bad_inode(inode)) - dquot_initialize(inode); - truncate_inode_pages(&inode->i_data, 0); if (is_bad_inode(inode)) @@ -113,7 +109,6 @@ void udf_clear_inode(struct inode *inode) (unsigned long long)iinfo->i_lenExtents); } - dquot_drop(inode); kfree(iinfo->i_ext.i_data); iinfo->i_ext.i_data = NULL; } diff --git a/fs/udf/namei.c b/fs/udf/namei.c index 585f733615dc..bf5fc674193c 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -27,7 +27,6 @@ #include <linux/errno.h> #include <linux/mm.h> #include <linux/slab.h> -#include <linux/quotaops.h> #include <linux/smp_lock.h> #include <linux/buffer_head.h> #include <linux/sched.h> @@ -563,8 +562,6 @@ static int udf_create(struct inode *dir, struct dentry *dentry, int mode, int err; struct udf_inode_info *iinfo; - dquot_initialize(dir); - lock_kernel(); inode = udf_new_inode(dir, mode, &err); if (!inode) { @@ -617,8 +614,6 @@ static int udf_mknod(struct inode *dir, struct dentry *dentry, int mode, if (!old_valid_dev(rdev)) return -EINVAL; - dquot_initialize(dir); - lock_kernel(); err = -EIO; inode = udf_new_inode(dir, mode, &err); @@ -664,8 +659,6 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, int mode) struct udf_inode_info *dinfo = UDF_I(dir); struct udf_inode_info *iinfo; - dquot_initialize(dir); - lock_kernel(); err = -EMLINK; if (dir->i_nlink >= (256 << sizeof(dir->i_nlink)) - 1) @@ -800,8 +793,6 @@ static int udf_rmdir(struct inode *dir, struct dentry *dentry) struct fileIdentDesc *fi, cfi; struct kernel_lb_addr tloc; - dquot_initialize(dir); - retval = -ENOENT; lock_kernel(); fi = udf_find_entry(dir, &dentry->d_name, &fibh, &cfi); @@ -848,8 +839,6 @@ static int udf_unlink(struct inode *dir, struct dentry *dentry) struct fileIdentDesc cfi; struct kernel_lb_addr tloc; - dquot_initialize(dir); - retval = -ENOENT; lock_kernel(); fi = udf_find_entry(dir, &dentry->d_name, &fibh, &cfi); @@ -904,8 +893,6 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry, struct buffer_head *bh; struct udf_inode_info *iinfo; - dquot_initialize(dir); - lock_kernel(); inode = udf_new_inode(dir, S_IFLNK | S_IRWXUGO, &err); if (!inode) @@ -1075,8 +1062,6 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir, int err; struct buffer_head *bh; - dquot_initialize(dir); - lock_kernel(); if (inode->i_nlink >= (256 << sizeof(inode->i_nlink)) - 1) { unlock_kernel(); @@ -1139,9 +1124,6 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry, struct kernel_lb_addr tloc; struct udf_inode_info *old_iinfo = UDF_I(old_inode); - dquot_initialize(old_dir); - dquot_initialize(new_dir); - lock_kernel(); ofi = udf_find_entry(old_dir, &old_dentry->d_name, &ofibh, &ocfi); if (ofi) { @@ -1387,7 +1369,6 @@ const struct export_operations udf_export_ops = { const struct inode_operations udf_dir_inode_operations = { .lookup = udf_lookup, .create = udf_create, - .setattr = udf_setattr, .link = udf_link, .unlink = udf_unlink, .symlink = udf_symlink, @@ -1400,5 +1381,4 @@ const struct inode_operations udf_symlink_inode_operations = { .readlink = generic_readlink, .follow_link = page_follow_link_light, .put_link = page_put_link, - .setattr = udf_setattr, }; diff --git a/fs/udf/super.c b/fs/udf/super.c index 1e4543cbcd27..612d1e2e285a 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -557,6 +557,7 @@ static int udf_remount_fs(struct super_block *sb, int *flags, char *options) { struct udf_options uopt; struct udf_sb_info *sbi = UDF_SB(sb); + int error = 0; uopt.flags = sbi->s_flags; uopt.uid = sbi->s_uid; @@ -582,17 +583,17 @@ static int udf_remount_fs(struct super_block *sb, int *flags, char *options) *flags |= MS_RDONLY; } - if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY)) { - unlock_kernel(); - return 0; - } + if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY)) + goto out_unlock; + if (*flags & MS_RDONLY) udf_close_lvid(sb); else udf_open_lvid(sb); +out_unlock: unlock_kernel(); - return 0; + return error; } /* Check Volume Structure Descriptors (ECMA 167 2/9.1) */ @@ -1939,7 +1940,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) /* Fill in the rest of the superblock */ sb->s_op = &udf_sb_ops; sb->s_export_op = &udf_export_ops; - sb->dq_op = NULL; + sb->s_dirt = 0; sb->s_magic = UDF_SUPER_MAGIC; sb->s_time_gran = 1000; diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h index 9079ff7d6255..2bac0354891f 100644 --- a/fs/udf/udfdecl.h +++ b/fs/udf/udfdecl.h @@ -131,7 +131,6 @@ extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *, /* file.c */ extern long udf_ioctl(struct file *, unsigned int, unsigned long); -extern int udf_setattr(struct dentry *dentry, struct iattr *iattr); /* inode.c */ extern struct inode *udf_iget(struct super_block *, struct kernel_lb_addr *); extern int udf_sync_inode(struct inode *); diff --git a/fs/ufs/balloc.c b/fs/ufs/balloc.c index 5cfa4d85ccf2..048484fb10d2 100644 --- a/fs/ufs/balloc.c +++ b/fs/ufs/balloc.c @@ -12,7 +12,6 @@ #include <linux/stat.h> #include <linux/time.h> #include <linux/string.h> -#include <linux/quotaops.h> #include <linux/buffer_head.h> #include <linux/capability.h> #include <linux/bitops.h> @@ -85,9 +84,6 @@ void ufs_free_fragments(struct inode *inode, u64 fragment, unsigned count) "bit already cleared for fragment %u", i); } - dquot_free_block(inode, count); - - fs32_add(sb, &ucg->cg_cs.cs_nffree, count); uspi->cs_total.cs_nffree += count; fs32_add(sb, &UFS_SB(sb)->fs_cs(cgno).cs_nffree, count); @@ -195,7 +191,6 @@ do_more: ubh_setblock(UCPI_UBH(ucpi), ucpi->c_freeoff, blkno); if ((UFS_SB(sb)->s_flags & UFS_CG_MASK) == UFS_CG_44BSD) ufs_clusteracct (sb, ucpi, blkno, 1); - dquot_free_block(inode, uspi->s_fpb); fs32_add(sb, &ucg->cg_cs.cs_nbfree, 1); uspi->cs_total.cs_nbfree++; @@ -511,7 +506,6 @@ static u64 ufs_add_fragments(struct inode *inode, u64 fragment, struct ufs_cg_private_info * ucpi; struct ufs_cylinder_group * ucg; unsigned cgno, fragno, fragoff, count, fragsize, i; - int ret; UFSD("ENTER, fragment %llu, oldcount %u, newcount %u\n", (unsigned long long)fragment, oldcount, newcount); @@ -557,11 +551,6 @@ static u64 ufs_add_fragments(struct inode *inode, u64 fragment, fs32_add(sb, &ucg->cg_frsum[fragsize - count], 1); for (i = oldcount; i < newcount; i++) ubh_clrbit (UCPI_UBH(ucpi), ucpi->c_freeoff, fragno + i); - ret = dquot_alloc_block(inode, count); - if (ret) { - *err = ret; - return 0; - } fs32_sub(sb, &ucg->cg_cs.cs_nffree, count); fs32_sub(sb, &UFS_SB(sb)->fs_cs(cgno).cs_nffree, count); @@ -598,7 +587,6 @@ static u64 ufs_alloc_fragments(struct inode *inode, unsigned cgno, struct ufs_cylinder_group * ucg; unsigned oldcg, i, j, k, allocsize; u64 result; - int ret; UFSD("ENTER, ino %lu, cgno %u, goal %llu, count %u\n", inode->i_ino, cgno, (unsigned long long)goal, count); @@ -667,7 +655,6 @@ cg_found: for (i = count; i < uspi->s_fpb; i++) ubh_setbit (UCPI_UBH(ucpi), ucpi->c_freeoff, goal + i); i = uspi->s_fpb - count; - dquot_free_block(inode, i); fs32_add(sb, &ucg->cg_cs.cs_nffree, i); uspi->cs_total.cs_nffree += i; @@ -679,11 +666,6 @@ cg_found: result = ufs_bitmap_search (sb, ucpi, goal, allocsize); if (result == INVBLOCK) return 0; - ret = dquot_alloc_block(inode, count); - if (ret) { - *err = ret; - return 0; - } for (i = 0; i < count; i++) ubh_clrbit (UCPI_UBH(ucpi), ucpi->c_freeoff, result + i); @@ -718,7 +700,6 @@ static u64 ufs_alloccg_block(struct inode *inode, struct ufs_super_block_first * usb1; struct ufs_cylinder_group * ucg; u64 result, blkno; - int ret; UFSD("ENTER, goal %llu\n", (unsigned long long)goal); @@ -752,11 +733,6 @@ gotit: ubh_clrblock (UCPI_UBH(ucpi), ucpi->c_freeoff, blkno); if ((UFS_SB(sb)->s_flags & UFS_CG_MASK) == UFS_CG_44BSD) ufs_clusteracct (sb, ucpi, blkno, -1); - ret = dquot_alloc_block(inode, uspi->s_fpb); - if (ret) { - *err = ret; - return INVBLOCK; - } fs32_sub(sb, &ucg->cg_cs.cs_nbfree, 1); uspi->cs_total.cs_nbfree--; diff --git a/fs/ufs/dir.c b/fs/ufs/dir.c index 317a0d444f6b..ec784756dc65 100644 --- a/fs/ufs/dir.c +++ b/fs/ufs/dir.c @@ -666,6 +666,6 @@ not_empty: const struct file_operations ufs_dir_operations = { .read = generic_read_dir, .readdir = ufs_readdir, - .fsync = simple_fsync, + .fsync = generic_file_fsync, .llseek = generic_file_llseek, }; diff --git a/fs/ufs/file.c b/fs/ufs/file.c index a8962cecde5b..33afa20d4509 100644 --- a/fs/ufs/file.c +++ b/fs/ufs/file.c @@ -24,7 +24,6 @@ */ #include <linux/fs.h> -#include <linux/quotaops.h> #include "ufs_fs.h" #include "ufs.h" @@ -41,7 +40,7 @@ const struct file_operations ufs_file_operations = { .write = do_sync_write, .aio_write = generic_file_aio_write, .mmap = generic_file_mmap, - .open = dquot_file_open, - .fsync = simple_fsync, + .open = generic_file_open, + .fsync = generic_file_fsync, .splice_read = generic_file_splice_read, }; diff --git a/fs/ufs/ialloc.c b/fs/ufs/ialloc.c index 3a959d55084d..594480e537d2 100644 --- a/fs/ufs/ialloc.c +++ b/fs/ufs/ialloc.c @@ -27,7 +27,6 @@ #include <linux/time.h> #include <linux/stat.h> #include <linux/string.h> -#include <linux/quotaops.h> #include <linux/buffer_head.h> #include <linux/sched.h> #include <linux/bitops.h> @@ -95,9 +94,6 @@ void ufs_free_inode (struct inode * inode) is_directory = S_ISDIR(inode->i_mode); - dquot_free_inode(inode); - dquot_drop(inode); - clear_inode (inode); if (ubh_isclr (UCPI_UBH(ucpi), ucpi->c_iusedoff, bit)) @@ -347,21 +343,12 @@ cg_found: unlock_super (sb); - dquot_initialize(inode); - err = dquot_alloc_inode(inode); - if (err) { - dquot_drop(inode); - goto fail_without_unlock; - } - UFSD("allocating inode %lu\n", inode->i_ino); UFSD("EXIT\n"); return inode; fail_remove_inode: unlock_super(sb); -fail_without_unlock: - inode->i_flags |= S_NOQUOTA; inode->i_nlink = 0; iput(inode); UFSD("EXIT (FAILED): err %d\n", err); diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c index cffa756f1047..73fe773aa034 100644 --- a/fs/ufs/inode.c +++ b/fs/ufs/inode.c @@ -37,7 +37,6 @@ #include <linux/smp_lock.h> #include <linux/buffer_head.h> #include <linux/writeback.h> -#include <linux/quotaops.h> #include "ufs_fs.h" #include "ufs.h" @@ -910,9 +909,6 @@ void ufs_delete_inode (struct inode * inode) { loff_t old_i_size; - if (!is_bad_inode(inode)) - dquot_initialize(inode); - truncate_inode_pages(&inode->i_data, 0); if (is_bad_inode(inode)) goto no_delete; diff --git a/fs/ufs/namei.c b/fs/ufs/namei.c index eabc02eb1294..b056f02b1fb3 100644 --- a/fs/ufs/namei.c +++ b/fs/ufs/namei.c @@ -30,7 +30,6 @@ #include <linux/time.h> #include <linux/fs.h> #include <linux/smp_lock.h> -#include <linux/quotaops.h> #include "ufs_fs.h" #include "ufs.h" @@ -86,8 +85,6 @@ static int ufs_create (struct inode * dir, struct dentry * dentry, int mode, UFSD("BEGIN\n"); - dquot_initialize(dir); - inode = ufs_new_inode(dir, mode); err = PTR_ERR(inode); @@ -112,8 +109,6 @@ static int ufs_mknod (struct inode * dir, struct dentry *dentry, int mode, dev_t if (!old_valid_dev(rdev)) return -EINVAL; - dquot_initialize(dir); - inode = ufs_new_inode(dir, mode); err = PTR_ERR(inode); if (!IS_ERR(inode)) { @@ -138,8 +133,6 @@ static int ufs_symlink (struct inode * dir, struct dentry * dentry, if (l > sb->s_blocksize) goto out_notlocked; - dquot_initialize(dir); - lock_kernel(); inode = ufs_new_inode(dir, S_IFLNK | S_IRWXUGO); err = PTR_ERR(inode); @@ -185,8 +178,6 @@ static int ufs_link (struct dentry * old_dentry, struct inode * dir, return -EMLINK; } - dquot_initialize(dir); - inode->i_ctime = CURRENT_TIME_SEC; inode_inc_link_count(inode); atomic_inc(&inode->i_count); @@ -204,8 +195,6 @@ static int ufs_mkdir(struct inode * dir, struct dentry * dentry, int mode) if (dir->i_nlink >= UFS_LINK_MAX) goto out; - dquot_initialize(dir); - lock_kernel(); inode_inc_link_count(dir); @@ -250,8 +239,6 @@ static int ufs_unlink(struct inode *dir, struct dentry *dentry) struct page *page; int err = -ENOENT; - dquot_initialize(dir); - de = ufs_find_entry(dir, &dentry->d_name, &page); if (!de) goto out; @@ -296,9 +283,6 @@ static int ufs_rename(struct inode *old_dir, struct dentry *old_dentry, struct ufs_dir_entry *old_de; int err = -ENOENT; - dquot_initialize(old_dir); - dquot_initialize(new_dir); - old_de = ufs_find_entry(old_dir, &old_dentry->d_name, &old_page); if (!old_de) goto out; diff --git a/fs/ufs/super.c b/fs/ufs/super.c index ad9bc1ebd3a6..3ec5a9eb6efb 100644 --- a/fs/ufs/super.c +++ b/fs/ufs/super.c @@ -77,7 +77,6 @@ #include <linux/errno.h> #include <linux/fs.h> -#include <linux/quotaops.h> #include <linux/slab.h> #include <linux/time.h> #include <linux/stat.h> @@ -1047,7 +1046,7 @@ magic_found: */ sb->s_op = &ufs_super_ops; sb->s_export_op = &ufs_export_ops; - sb->dq_op = NULL; /***/ + sb->s_magic = fs32_to_cpu(sb, usb3->fs_magic); uspi->s_sblkno = fs32_to_cpu(sb, usb1->fs_sblkno); @@ -1437,126 +1436,19 @@ static void destroy_inodecache(void) kmem_cache_destroy(ufs_inode_cachep); } -static void ufs_clear_inode(struct inode *inode) -{ - dquot_drop(inode); -} - -#ifdef CONFIG_QUOTA -static ssize_t ufs_quota_read(struct super_block *, int, char *,size_t, loff_t); -static ssize_t ufs_quota_write(struct super_block *, int, const char *, size_t, loff_t); -#endif - static const struct super_operations ufs_super_ops = { .alloc_inode = ufs_alloc_inode, .destroy_inode = ufs_destroy_inode, .write_inode = ufs_write_inode, .delete_inode = ufs_delete_inode, - .clear_inode = ufs_clear_inode, .put_super = ufs_put_super, .write_super = ufs_write_super, .sync_fs = ufs_sync_fs, .statfs = ufs_statfs, .remount_fs = ufs_remount, .show_options = ufs_show_options, -#ifdef CONFIG_QUOTA - .quota_read = ufs_quota_read, - .quota_write = ufs_quota_write, -#endif }; -#ifdef CONFIG_QUOTA - -/* Read data from quotafile - avoid pagecache and such because we cannot afford - * acquiring the locks... As quota files are never truncated and quota code - * itself serializes the operations (and noone else should touch the files) - * we don't have to be afraid of races */ -static ssize_t ufs_quota_read(struct super_block *sb, int type, char *data, - size_t len, loff_t off) -{ - struct inode *inode = sb_dqopt(sb)->files[type]; - sector_t blk = off >> sb->s_blocksize_bits; - int err = 0; - int offset = off & (sb->s_blocksize - 1); - int tocopy; - size_t toread; - struct buffer_head *bh; - loff_t i_size = i_size_read(inode); - - if (off > i_size) - return 0; - if (off+len > i_size) - len = i_size-off; - toread = len; - while (toread > 0) { - tocopy = sb->s_blocksize - offset < toread ? - sb->s_blocksize - offset : toread; - - bh = ufs_bread(inode, blk, 0, &err); - if (err) - return err; - if (!bh) /* A hole? */ - memset(data, 0, tocopy); - else { - memcpy(data, bh->b_data+offset, tocopy); - brelse(bh); - } - offset = 0; - toread -= tocopy; - data += tocopy; - blk++; - } - return len; -} - -/* Write to quotafile */ -static ssize_t ufs_quota_write(struct super_block *sb, int type, - const char *data, size_t len, loff_t off) -{ - struct inode *inode = sb_dqopt(sb)->files[type]; - sector_t blk = off >> sb->s_blocksize_bits; - int err = 0; - int offset = off & (sb->s_blocksize - 1); - int tocopy; - size_t towrite = len; - struct buffer_head *bh; - - mutex_lock_nested(&inode->i_mutex, I_MUTEX_QUOTA); - while (towrite > 0) { - tocopy = sb->s_blocksize - offset < towrite ? - sb->s_blocksize - offset : towrite; - - bh = ufs_bread(inode, blk, 1, &err); - if (!bh) - goto out; - lock_buffer(bh); - memcpy(bh->b_data+offset, data, tocopy); - flush_dcache_page(bh->b_page); - set_buffer_uptodate(bh); - mark_buffer_dirty(bh); - unlock_buffer(bh); - brelse(bh); - offset = 0; - towrite -= tocopy; - data += tocopy; - blk++; - } -out: - if (len == towrite) { - mutex_unlock(&inode->i_mutex); - return err; - } - if (inode->i_size < off+len-towrite) - i_size_write(inode, off+len-towrite); - inode->i_version++; - inode->i_mtime = inode->i_ctime = CURRENT_TIME_SEC; - mark_inode_dirty(inode); - mutex_unlock(&inode->i_mutex); - return len - towrite; -} - -#endif - static int ufs_get_sb(struct file_system_type *fs_type, int flags, const char *dev_name, void *data, struct vfsmount *mnt) { diff --git a/fs/ufs/truncate.c b/fs/ufs/truncate.c index f294c44577dc..589e01a465ba 100644 --- a/fs/ufs/truncate.c +++ b/fs/ufs/truncate.c @@ -44,7 +44,6 @@ #include <linux/buffer_head.h> #include <linux/blkdev.h> #include <linux/sched.h> -#include <linux/quotaops.h> #include "ufs_fs.h" #include "ufs.h" @@ -501,12 +500,10 @@ out: return err; } - /* - * We don't define our `inode->i_op->truncate', and call it here, - * because of: - * - there is no way to know old size - * - there is no way inform user about error, if it happens in `truncate' + * TODO: + * - truncate case should use proper ordering instead of using + * simple_setsize */ int ufs_setattr(struct dentry *dentry, struct iattr *attr) { @@ -518,19 +515,10 @@ int ufs_setattr(struct dentry *dentry, struct iattr *attr) if (error) return error; - if (is_quota_modification(inode, attr)) - dquot_initialize(inode); - - if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) || - (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) { - error = dquot_transfer(inode, attr); - if (error) - return error; - } if (ia_valid & ATTR_SIZE && attr->ia_size != inode->i_size) { loff_t old_i_size = inode->i_size; - error = vmtruncate(inode, attr->ia_size); + error = simple_setsize(inode, attr->ia_size); if (error) return error; error = ufs_truncate(inode, old_i_size); diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c index d8fb1b5d6cb5..257a56b127cf 100644 --- a/fs/xfs/linux-2.6/xfs_file.c +++ b/fs/xfs/linux-2.6/xfs_file.c @@ -100,10 +100,10 @@ xfs_iozero( STATIC int xfs_file_fsync( struct file *file, - struct dentry *dentry, int datasync) { - struct xfs_inode *ip = XFS_I(dentry->d_inode); + struct inode *inode = file->f_mapping->host; + struct xfs_inode *ip = XFS_I(inode); struct xfs_trans *tp; int error = 0; int log_flushed = 0; @@ -140,8 +140,8 @@ xfs_file_fsync( * might gets cleared when the inode gets written out via the AIL * or xfs_iflush_cluster. */ - if (((dentry->d_inode->i_state & I_DIRTY_DATASYNC) || - ((dentry->d_inode->i_state & I_DIRTY_SYNC) && !datasync)) && + if (((inode->i_state & I_DIRTY_DATASYNC) || + ((inode->i_state & I_DIRTY_SYNC) && !datasync)) && ip->i_update_core) { /* * Kick off a transaction to log the inode core to get the @@ -868,7 +868,7 @@ write_retry: mutex_lock(&inode->i_mutex); xfs_ilock(ip, iolock); - error2 = -xfs_file_fsync(file, file->f_path.dentry, + error2 = -xfs_file_fsync(file, (file->f_flags & __O_SYNC) ? 0 : 1); if (!error) error = error2; diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c index 9c8019c78c92..44f0b2de153e 100644 --- a/fs/xfs/linux-2.6/xfs_iops.c +++ b/fs/xfs/linux-2.6/xfs_iops.c @@ -585,11 +585,20 @@ xfs_vn_fallocate( bf.l_len = len; xfs_ilock(ip, XFS_IOLOCK_EXCL); + + /* check the new inode size is valid before allocating */ + if (!(mode & FALLOC_FL_KEEP_SIZE) && + offset + len > i_size_read(inode)) { + new_size = offset + len; + error = inode_newsize_ok(inode, new_size); + if (error) + goto out_unlock; + } + error = -xfs_change_file_space(ip, XFS_IOC_RESVSP, &bf, 0, XFS_ATTR_NOLOCK); - if (!error && !(mode & FALLOC_FL_KEEP_SIZE) && - offset + len > i_size_read(inode)) - new_size = offset + len; + if (error) + goto out_unlock; /* Change file size if needed */ if (new_size) { @@ -600,6 +609,7 @@ xfs_vn_fallocate( error = -xfs_setattr(ip, &iattr, XFS_ATTR_NOLOCK); } +out_unlock: xfs_iunlock(ip, XFS_IOLOCK_EXCL); out_error: return error; diff --git a/fs/xfs/linux-2.6/xfs_quotaops.c b/fs/xfs/linux-2.6/xfs_quotaops.c index 9ac8aea91529..067cafbfc635 100644 --- a/fs/xfs/linux-2.6/xfs_quotaops.c +++ b/fs/xfs/linux-2.6/xfs_quotaops.c @@ -23,7 +23,6 @@ #include "xfs_ag.h" #include "xfs_mount.h" #include "xfs_quota.h" -#include "xfs_log.h" #include "xfs_trans.h" #include "xfs_bmap_btree.h" #include "xfs_inode.h" diff --git a/fs/xfs/linux-2.6/xfs_sync.c b/fs/xfs/linux-2.6/xfs_sync.c index 3884e20bc14e..ef7f0218bccb 100644 --- a/fs/xfs/linux-2.6/xfs_sync.c +++ b/fs/xfs/linux-2.6/xfs_sync.c @@ -164,10 +164,6 @@ xfs_inode_ag_iterator( struct xfs_perag *pag; pag = xfs_perag_get(mp, ag); - if (!pag->pag_ici_init) { - xfs_perag_put(pag); - continue; - } error = xfs_inode_ag_walk(mp, pag, execute, flags, tag, exclusive, &nr); xfs_perag_put(pag); @@ -867,12 +863,7 @@ xfs_reclaim_inode_shrink( down_read(&xfs_mount_list_lock); list_for_each_entry(mp, &xfs_mount_list, m_mplist) { for (ag = 0; ag < mp->m_sb.sb_agcount; ag++) { - pag = xfs_perag_get(mp, ag); - if (!pag->pag_ici_init) { - xfs_perag_put(pag); - continue; - } reclaimable += pag->pag_ici_reclaimable; xfs_perag_put(pag); } diff --git a/fs/xfs/linux-2.6/xfs_trace.c b/fs/xfs/linux-2.6/xfs_trace.c index 207fa77f63ae..d12be8470cba 100644 --- a/fs/xfs/linux-2.6/xfs_trace.c +++ b/fs/xfs/linux-2.6/xfs_trace.c @@ -50,7 +50,6 @@ #include "quota/xfs_dquot_item.h" #include "quota/xfs_dquot.h" #include "xfs_log_recover.h" -#include "xfs_buf_item.h" #include "xfs_inode_item.h" /* diff --git a/fs/xfs/linux-2.6/xfs_trace.h b/fs/xfs/linux-2.6/xfs_trace.h index ff6bc797baf2..73d5aa117384 100644 --- a/fs/xfs/linux-2.6/xfs_trace.h +++ b/fs/xfs/linux-2.6/xfs_trace.h @@ -82,33 +82,6 @@ DECLARE_EVENT_CLASS(xfs_attr_list_class, ) ) -#define DEFINE_PERAG_REF_EVENT(name) \ -TRACE_EVENT(name, \ - TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, int refcount, \ - unsigned long caller_ip), \ - TP_ARGS(mp, agno, refcount, caller_ip), \ - TP_STRUCT__entry( \ - __field(dev_t, dev) \ - __field(xfs_agnumber_t, agno) \ - __field(int, refcount) \ - __field(unsigned long, caller_ip) \ - ), \ - TP_fast_assign( \ - __entry->dev = mp->m_super->s_dev; \ - __entry->agno = agno; \ - __entry->refcount = refcount; \ - __entry->caller_ip = caller_ip; \ - ), \ - TP_printk("dev %d:%d agno %u refcount %d caller %pf", \ - MAJOR(__entry->dev), MINOR(__entry->dev), \ - __entry->agno, \ - __entry->refcount, \ - (char *)__entry->caller_ip) \ -); - -DEFINE_PERAG_REF_EVENT(xfs_perag_get) -DEFINE_PERAG_REF_EVENT(xfs_perag_put) - #define DEFINE_ATTR_LIST_EVENT(name) \ DEFINE_EVENT(xfs_attr_list_class, name, \ TP_PROTO(struct xfs_attr_list_context *ctx), \ @@ -122,6 +95,37 @@ DEFINE_ATTR_LIST_EVENT(xfs_attr_list_add); DEFINE_ATTR_LIST_EVENT(xfs_attr_list_wrong_blk); DEFINE_ATTR_LIST_EVENT(xfs_attr_list_notfound); +DECLARE_EVENT_CLASS(xfs_perag_class, + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, int refcount, + unsigned long caller_ip), + TP_ARGS(mp, agno, refcount, caller_ip), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_agnumber_t, agno) + __field(int, refcount) + __field(unsigned long, caller_ip) + ), + TP_fast_assign( + __entry->dev = mp->m_super->s_dev; + __entry->agno = agno; + __entry->refcount = refcount; + __entry->caller_ip = caller_ip; + ), + TP_printk("dev %d:%d agno %u refcount %d caller %pf", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->agno, + __entry->refcount, + (char *)__entry->caller_ip) +); + +#define DEFINE_PERAG_REF_EVENT(name) \ +DEFINE_EVENT(xfs_perag_class, name, \ + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, int refcount, \ + unsigned long caller_ip), \ + TP_ARGS(mp, agno, refcount, caller_ip)) +DEFINE_PERAG_REF_EVENT(xfs_perag_get); +DEFINE_PERAG_REF_EVENT(xfs_perag_put); + TRACE_EVENT(xfs_attr_list_node_descend, TP_PROTO(struct xfs_attr_list_context *ctx, struct xfs_da_node_entry *btree), @@ -775,165 +779,181 @@ DEFINE_LOGGRANT_EVENT(xfs_log_ungrant_enter); DEFINE_LOGGRANT_EVENT(xfs_log_ungrant_exit); DEFINE_LOGGRANT_EVENT(xfs_log_ungrant_sub); -#define DEFINE_RW_EVENT(name) \ -TRACE_EVENT(name, \ - TP_PROTO(struct xfs_inode *ip, size_t count, loff_t offset, int flags), \ - TP_ARGS(ip, count, offset, flags), \ - TP_STRUCT__entry( \ - __field(dev_t, dev) \ - __field(xfs_ino_t, ino) \ - __field(xfs_fsize_t, size) \ - __field(xfs_fsize_t, new_size) \ - __field(loff_t, offset) \ - __field(size_t, count) \ - __field(int, flags) \ - ), \ - TP_fast_assign( \ - __entry->dev = VFS_I(ip)->i_sb->s_dev; \ - __entry->ino = ip->i_ino; \ - __entry->size = ip->i_d.di_size; \ - __entry->new_size = ip->i_new_size; \ - __entry->offset = offset; \ - __entry->count = count; \ - __entry->flags = flags; \ - ), \ - TP_printk("dev %d:%d ino 0x%llx size 0x%llx new_size 0x%llx " \ - "offset 0x%llx count 0x%zx ioflags %s", \ - MAJOR(__entry->dev), MINOR(__entry->dev), \ - __entry->ino, \ - __entry->size, \ - __entry->new_size, \ - __entry->offset, \ - __entry->count, \ - __print_flags(__entry->flags, "|", XFS_IO_FLAGS)) \ +DECLARE_EVENT_CLASS(xfs_file_class, + TP_PROTO(struct xfs_inode *ip, size_t count, loff_t offset, int flags), + TP_ARGS(ip, count, offset, flags), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_ino_t, ino) + __field(xfs_fsize_t, size) + __field(xfs_fsize_t, new_size) + __field(loff_t, offset) + __field(size_t, count) + __field(int, flags) + ), + TP_fast_assign( + __entry->dev = VFS_I(ip)->i_sb->s_dev; + __entry->ino = ip->i_ino; + __entry->size = ip->i_d.di_size; + __entry->new_size = ip->i_new_size; + __entry->offset = offset; + __entry->count = count; + __entry->flags = flags; + ), + TP_printk("dev %d:%d ino 0x%llx size 0x%llx new_size 0x%llx " + "offset 0x%llx count 0x%zx ioflags %s", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->ino, + __entry->size, + __entry->new_size, + __entry->offset, + __entry->count, + __print_flags(__entry->flags, "|", XFS_IO_FLAGS)) ) + +#define DEFINE_RW_EVENT(name) \ +DEFINE_EVENT(xfs_file_class, name, \ + TP_PROTO(struct xfs_inode *ip, size_t count, loff_t offset, int flags), \ + TP_ARGS(ip, count, offset, flags)) DEFINE_RW_EVENT(xfs_file_read); DEFINE_RW_EVENT(xfs_file_buffered_write); DEFINE_RW_EVENT(xfs_file_direct_write); DEFINE_RW_EVENT(xfs_file_splice_read); DEFINE_RW_EVENT(xfs_file_splice_write); - -#define DEFINE_PAGE_EVENT(name) \ -TRACE_EVENT(name, \ - TP_PROTO(struct inode *inode, struct page *page, unsigned long off), \ - TP_ARGS(inode, page, off), \ - TP_STRUCT__entry( \ - __field(dev_t, dev) \ - __field(xfs_ino_t, ino) \ - __field(pgoff_t, pgoff) \ - __field(loff_t, size) \ - __field(unsigned long, offset) \ - __field(int, delalloc) \ - __field(int, unmapped) \ - __field(int, unwritten) \ - ), \ - TP_fast_assign( \ - int delalloc = -1, unmapped = -1, unwritten = -1; \ - \ - if (page_has_buffers(page)) \ - xfs_count_page_state(page, &delalloc, \ - &unmapped, &unwritten); \ - __entry->dev = inode->i_sb->s_dev; \ - __entry->ino = XFS_I(inode)->i_ino; \ - __entry->pgoff = page_offset(page); \ - __entry->size = i_size_read(inode); \ - __entry->offset = off; \ - __entry->delalloc = delalloc; \ - __entry->unmapped = unmapped; \ - __entry->unwritten = unwritten; \ - ), \ - TP_printk("dev %d:%d ino 0x%llx pgoff 0x%lx size 0x%llx offset %lx " \ - "delalloc %d unmapped %d unwritten %d", \ - MAJOR(__entry->dev), MINOR(__entry->dev), \ - __entry->ino, \ - __entry->pgoff, \ - __entry->size, \ - __entry->offset, \ - __entry->delalloc, \ - __entry->unmapped, \ - __entry->unwritten) \ +DECLARE_EVENT_CLASS(xfs_page_class, + TP_PROTO(struct inode *inode, struct page *page, unsigned long off), + TP_ARGS(inode, page, off), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_ino_t, ino) + __field(pgoff_t, pgoff) + __field(loff_t, size) + __field(unsigned long, offset) + __field(int, delalloc) + __field(int, unmapped) + __field(int, unwritten) + ), + TP_fast_assign( + int delalloc = -1, unmapped = -1, unwritten = -1; + + if (page_has_buffers(page)) + xfs_count_page_state(page, &delalloc, + &unmapped, &unwritten); + __entry->dev = inode->i_sb->s_dev; + __entry->ino = XFS_I(inode)->i_ino; + __entry->pgoff = page_offset(page); + __entry->size = i_size_read(inode); + __entry->offset = off; + __entry->delalloc = delalloc; + __entry->unmapped = unmapped; + __entry->unwritten = unwritten; + ), + TP_printk("dev %d:%d ino 0x%llx pgoff 0x%lx size 0x%llx offset %lx " + "delalloc %d unmapped %d unwritten %d", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->ino, + __entry->pgoff, + __entry->size, + __entry->offset, + __entry->delalloc, + __entry->unmapped, + __entry->unwritten) ) + +#define DEFINE_PAGE_EVENT(name) \ +DEFINE_EVENT(xfs_page_class, name, \ + TP_PROTO(struct inode *inode, struct page *page, unsigned long off), \ + TP_ARGS(inode, page, off)) DEFINE_PAGE_EVENT(xfs_writepage); DEFINE_PAGE_EVENT(xfs_releasepage); DEFINE_PAGE_EVENT(xfs_invalidatepage); -#define DEFINE_IOMAP_EVENT(name) \ -TRACE_EVENT(name, \ - TP_PROTO(struct xfs_inode *ip, xfs_off_t offset, ssize_t count, \ - int flags, struct xfs_bmbt_irec *irec), \ - TP_ARGS(ip, offset, count, flags, irec), \ - TP_STRUCT__entry( \ - __field(dev_t, dev) \ - __field(xfs_ino_t, ino) \ - __field(loff_t, size) \ - __field(loff_t, new_size) \ - __field(loff_t, offset) \ - __field(size_t, count) \ - __field(int, flags) \ - __field(xfs_fileoff_t, startoff) \ - __field(xfs_fsblock_t, startblock) \ - __field(xfs_filblks_t, blockcount) \ - ), \ - TP_fast_assign( \ - __entry->dev = VFS_I(ip)->i_sb->s_dev; \ - __entry->ino = ip->i_ino; \ - __entry->size = ip->i_d.di_size; \ - __entry->new_size = ip->i_new_size; \ - __entry->offset = offset; \ - __entry->count = count; \ - __entry->flags = flags; \ - __entry->startoff = irec ? irec->br_startoff : 0; \ - __entry->startblock = irec ? irec->br_startblock : 0; \ - __entry->blockcount = irec ? irec->br_blockcount : 0; \ - ), \ - TP_printk("dev %d:%d ino 0x%llx size 0x%llx new_size 0x%llx " \ - "offset 0x%llx count %zd flags %s " \ - "startoff 0x%llx startblock %lld blockcount 0x%llx", \ - MAJOR(__entry->dev), MINOR(__entry->dev), \ - __entry->ino, \ - __entry->size, \ - __entry->new_size, \ - __entry->offset, \ - __entry->count, \ - __print_flags(__entry->flags, "|", BMAPI_FLAGS), \ - __entry->startoff, \ - (__int64_t)__entry->startblock, \ - __entry->blockcount) \ +DECLARE_EVENT_CLASS(xfs_iomap_class, + TP_PROTO(struct xfs_inode *ip, xfs_off_t offset, ssize_t count, + int flags, struct xfs_bmbt_irec *irec), + TP_ARGS(ip, offset, count, flags, irec), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_ino_t, ino) + __field(loff_t, size) + __field(loff_t, new_size) + __field(loff_t, offset) + __field(size_t, count) + __field(int, flags) + __field(xfs_fileoff_t, startoff) + __field(xfs_fsblock_t, startblock) + __field(xfs_filblks_t, blockcount) + ), + TP_fast_assign( + __entry->dev = VFS_I(ip)->i_sb->s_dev; + __entry->ino = ip->i_ino; + __entry->size = ip->i_d.di_size; + __entry->new_size = ip->i_new_size; + __entry->offset = offset; + __entry->count = count; + __entry->flags = flags; + __entry->startoff = irec ? irec->br_startoff : 0; + __entry->startblock = irec ? irec->br_startblock : 0; + __entry->blockcount = irec ? irec->br_blockcount : 0; + ), + TP_printk("dev %d:%d ino 0x%llx size 0x%llx new_size 0x%llx " + "offset 0x%llx count %zd flags %s " + "startoff 0x%llx startblock %lld blockcount 0x%llx", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->ino, + __entry->size, + __entry->new_size, + __entry->offset, + __entry->count, + __print_flags(__entry->flags, "|", BMAPI_FLAGS), + __entry->startoff, + (__int64_t)__entry->startblock, + __entry->blockcount) ) + +#define DEFINE_IOMAP_EVENT(name) \ +DEFINE_EVENT(xfs_iomap_class, name, \ + TP_PROTO(struct xfs_inode *ip, xfs_off_t offset, ssize_t count, \ + int flags, struct xfs_bmbt_irec *irec), \ + TP_ARGS(ip, offset, count, flags, irec)) DEFINE_IOMAP_EVENT(xfs_iomap_enter); DEFINE_IOMAP_EVENT(xfs_iomap_found); DEFINE_IOMAP_EVENT(xfs_iomap_alloc); -#define DEFINE_SIMPLE_IO_EVENT(name) \ -TRACE_EVENT(name, \ - TP_PROTO(struct xfs_inode *ip, xfs_off_t offset, ssize_t count), \ - TP_ARGS(ip, offset, count), \ - TP_STRUCT__entry( \ - __field(dev_t, dev) \ - __field(xfs_ino_t, ino) \ - __field(loff_t, size) \ - __field(loff_t, new_size) \ - __field(loff_t, offset) \ - __field(size_t, count) \ - ), \ - TP_fast_assign( \ - __entry->dev = VFS_I(ip)->i_sb->s_dev; \ - __entry->ino = ip->i_ino; \ - __entry->size = ip->i_d.di_size; \ - __entry->new_size = ip->i_new_size; \ - __entry->offset = offset; \ - __entry->count = count; \ - ), \ - TP_printk("dev %d:%d ino 0x%llx size 0x%llx new_size 0x%llx " \ - "offset 0x%llx count %zd", \ - MAJOR(__entry->dev), MINOR(__entry->dev), \ - __entry->ino, \ - __entry->size, \ - __entry->new_size, \ - __entry->offset, \ - __entry->count) \ +DECLARE_EVENT_CLASS(xfs_simple_io_class, + TP_PROTO(struct xfs_inode *ip, xfs_off_t offset, ssize_t count), + TP_ARGS(ip, offset, count), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_ino_t, ino) + __field(loff_t, size) + __field(loff_t, new_size) + __field(loff_t, offset) + __field(size_t, count) + ), + TP_fast_assign( + __entry->dev = VFS_I(ip)->i_sb->s_dev; + __entry->ino = ip->i_ino; + __entry->size = ip->i_d.di_size; + __entry->new_size = ip->i_new_size; + __entry->offset = offset; + __entry->count = count; + ), + TP_printk("dev %d:%d ino 0x%llx size 0x%llx new_size 0x%llx " + "offset 0x%llx count %zd", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->ino, + __entry->size, + __entry->new_size, + __entry->offset, + __entry->count) ); + +#define DEFINE_SIMPLE_IO_EVENT(name) \ +DEFINE_EVENT(xfs_simple_io_class, name, \ + TP_PROTO(struct xfs_inode *ip, xfs_off_t offset, ssize_t count), \ + TP_ARGS(ip, offset, count)) DEFINE_SIMPLE_IO_EVENT(xfs_delalloc_enospc); DEFINE_SIMPLE_IO_EVENT(xfs_unwritten_convert); diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c index 38e764146644..2d8b7bc792c9 100644 --- a/fs/xfs/quota/xfs_qm.c +++ b/fs/xfs/quota/xfs_qm.c @@ -249,8 +249,10 @@ xfs_qm_hold_quotafs_ref( if (!xfs_Gqm) { xfs_Gqm = xfs_Gqm_init(); - if (!xfs_Gqm) + if (!xfs_Gqm) { + mutex_unlock(&xfs_Gqm_lock); return ENOMEM; + } } /* diff --git a/fs/xfs/xfs_ag.h b/fs/xfs/xfs_ag.h index 401f364ad36c..4917d4eed4ed 100644 --- a/fs/xfs/xfs_ag.h +++ b/fs/xfs/xfs_ag.h @@ -227,7 +227,6 @@ typedef struct xfs_perag { atomic_t pagf_fstrms; /* # of filestreams active in this AG */ - int pag_ici_init; /* incore inode cache initialised */ rwlock_t pag_ici_lock; /* incore inode lock */ struct radix_tree_root pag_ici_root; /* incore inode cache root */ int pag_ici_reclaimable; /* reclaimable inodes */ diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c index 6845db90818f..f44a367907a8 100644 --- a/fs/xfs/xfs_iget.c +++ b/fs/xfs/xfs_iget.c @@ -382,9 +382,6 @@ xfs_iget( /* get the perag structure and ensure that it's inode capable */ pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, ino)); - if (!pag->pagi_inodeok) - return EINVAL; - ASSERT(pag->pag_ici_init); agino = XFS_INO_TO_AGINO(mp, ino); again: diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 8cd6e8d8fe9c..6ba7765026f6 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -2649,8 +2649,6 @@ xfs_iflush_cluster( int i; pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, ip->i_ino)); - ASSERT(pag->pagi_inodeok); - ASSERT(pag->pag_ici_init); inodes_per_cluster = XFS_INODE_CLUSTER_SIZE(mp) >> mp->m_sb.sb_inodelog; ilist_size = inodes_per_cluster * sizeof(xfs_inode_t *); diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 14a69aec2c0b..ed0684cc50ee 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -132,15 +132,10 @@ xlog_align( int nbblks, xfs_buf_t *bp) { - xfs_daddr_t offset; - xfs_caddr_t ptr; + xfs_daddr_t offset = blk_no & ((xfs_daddr_t)log->l_sectBBsize - 1); - offset = blk_no & ((xfs_daddr_t) log->l_sectBBsize - 1); - ptr = XFS_BUF_PTR(bp) + BBTOB(offset); - - ASSERT(ptr + BBTOB(nbblks) <= XFS_BUF_PTR(bp) + XFS_BUF_SIZE(bp)); - - return ptr; + ASSERT(BBTOB(offset + nbblks) <= XFS_BUF_SIZE(bp)); + return XFS_BUF_PTR(bp) + BBTOB(offset); } diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index d7bf38c8cd1c..d59f4e8bedcf 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -268,10 +268,10 @@ xfs_sb_validate_fsb_count( #if XFS_BIG_BLKNOS /* Limited by ULONG_MAX of page cache index */ if (nblocks >> (PAGE_CACHE_SHIFT - sbp->sb_blocklog) > ULONG_MAX) - return E2BIG; + return EFBIG; #else /* Limited by UINT_MAX of sectors */ if (nblocks << (sbp->sb_blocklog - BBSHIFT) > UINT_MAX) - return E2BIG; + return EFBIG; #endif return 0; } @@ -393,7 +393,7 @@ xfs_mount_validate_sb( xfs_sb_validate_fsb_count(sbp, sbp->sb_rblocks)) { xfs_fs_mount_cmn_err(flags, "file system too large to be mounted on this system."); - return XFS_ERROR(E2BIG); + return XFS_ERROR(EFBIG); } if (unlikely(sbp->sb_inprogress)) { @@ -413,17 +413,6 @@ xfs_mount_validate_sb( return 0; } -STATIC void -xfs_initialize_perag_icache( - xfs_perag_t *pag) -{ - if (!pag->pag_ici_init) { - rwlock_init(&pag->pag_ici_lock); - INIT_RADIX_TREE(&pag->pag_ici_root, GFP_ATOMIC); - pag->pag_ici_init = 1; - } -} - int xfs_initialize_perag( xfs_mount_t *mp, @@ -436,13 +425,8 @@ xfs_initialize_perag( xfs_agino_t agino; xfs_ino_t ino; xfs_sb_t *sbp = &mp->m_sb; - xfs_ino_t max_inum = XFS_MAXINUMBER_32; int error = -ENOMEM; - /* Check to see if the filesystem can overflow 32 bit inodes */ - agino = XFS_OFFBNO_TO_AGINO(mp, sbp->sb_agblocks - 1, 0); - ino = XFS_AGINO_TO_INO(mp, agcount - 1, agino); - /* * Walk the current per-ag tree so we don't try to initialise AGs * that already exist (growfs case). Allocate and insert all the @@ -456,11 +440,18 @@ xfs_initialize_perag( } if (!first_initialised) first_initialised = index; + pag = kmem_zalloc(sizeof(*pag), KM_MAYFAIL); if (!pag) goto out_unwind; + pag->pag_agno = index; + pag->pag_mount = mp; + rwlock_init(&pag->pag_ici_lock); + INIT_RADIX_TREE(&pag->pag_ici_root, GFP_ATOMIC); + if (radix_tree_preload(GFP_NOFS)) goto out_unwind; + spin_lock(&mp->m_perag_lock); if (radix_tree_insert(&mp->m_perag_tree, index, pag)) { BUG(); @@ -469,25 +460,26 @@ xfs_initialize_perag( error = -EEXIST; goto out_unwind; } - pag->pag_agno = index; - pag->pag_mount = mp; spin_unlock(&mp->m_perag_lock); radix_tree_preload_end(); } - /* Clear the mount flag if no inode can overflow 32 bits - * on this filesystem, or if specifically requested.. + /* + * If we mount with the inode64 option, or no inode overflows + * the legacy 32-bit address space clear the inode32 option. */ - if ((mp->m_flags & XFS_MOUNT_SMALL_INUMS) && ino > max_inum) { + agino = XFS_OFFBNO_TO_AGINO(mp, sbp->sb_agblocks - 1, 0); + ino = XFS_AGINO_TO_INO(mp, agcount - 1, agino); + + if ((mp->m_flags & XFS_MOUNT_SMALL_INUMS) && ino > XFS_MAXINUMBER_32) mp->m_flags |= XFS_MOUNT_32BITINODES; - } else { + else mp->m_flags &= ~XFS_MOUNT_32BITINODES; - } - /* If we can overflow then setup the ag headers accordingly */ if (mp->m_flags & XFS_MOUNT_32BITINODES) { - /* Calculate how much should be reserved for inodes to - * meet the max inode percentage. + /* + * Calculate how much should be reserved for inodes to meet + * the max inode percentage. */ if (mp->m_maxicount) { __uint64_t icount; @@ -500,30 +492,28 @@ xfs_initialize_perag( } else { max_metadata = agcount; } + for (index = 0; index < agcount; index++) { ino = XFS_AGINO_TO_INO(mp, index, agino); - if (ino > max_inum) { + if (ino > XFS_MAXINUMBER_32) { index++; break; } - /* This ag is preferred for inodes */ pag = xfs_perag_get(mp, index); pag->pagi_inodeok = 1; if (index < max_metadata) pag->pagf_metadata = 1; - xfs_initialize_perag_icache(pag); xfs_perag_put(pag); } } else { - /* Setup default behavior for smaller filesystems */ for (index = 0; index < agcount; index++) { pag = xfs_perag_get(mp, index); pag->pagi_inodeok = 1; - xfs_initialize_perag_icache(pag); xfs_perag_put(pag); } } + if (maxagi) *maxagi = index; return 0; @@ -1009,7 +999,7 @@ xfs_check_sizes(xfs_mount_t *mp) d = (xfs_daddr_t)XFS_FSB_TO_BB(mp, mp->m_sb.sb_dblocks); if (XFS_BB_TO_FSB(mp, d) != mp->m_sb.sb_dblocks) { cmn_err(CE_WARN, "XFS: size check 1 failed"); - return XFS_ERROR(E2BIG); + return XFS_ERROR(EFBIG); } error = xfs_read_buf(mp, mp->m_ddev_targp, d - XFS_FSS_TO_BB(mp, 1), @@ -1019,7 +1009,7 @@ xfs_check_sizes(xfs_mount_t *mp) } else { cmn_err(CE_WARN, "XFS: size check 2 failed"); if (error == ENOSPC) - error = XFS_ERROR(E2BIG); + error = XFS_ERROR(EFBIG); return error; } @@ -1027,7 +1017,7 @@ xfs_check_sizes(xfs_mount_t *mp) d = (xfs_daddr_t)XFS_FSB_TO_BB(mp, mp->m_sb.sb_logblocks); if (XFS_BB_TO_FSB(mp, d) != mp->m_sb.sb_logblocks) { cmn_err(CE_WARN, "XFS: size check 3 failed"); - return XFS_ERROR(E2BIG); + return XFS_ERROR(EFBIG); } error = xfs_read_buf(mp, mp->m_logdev_targp, d - XFS_FSB_TO_BB(mp, 1), @@ -1037,7 +1027,7 @@ xfs_check_sizes(xfs_mount_t *mp) } else { cmn_err(CE_WARN, "XFS: size check 3 failed"); if (error == ENOSPC) - error = XFS_ERROR(E2BIG); + error = XFS_ERROR(EFBIG); return error; } } @@ -1254,7 +1244,7 @@ xfs_mountfs( * Allocate and initialize the per-ag data. */ spin_lock_init(&mp->m_perag_lock); - INIT_RADIX_TREE(&mp->m_perag_tree, GFP_NOFS); + INIT_RADIX_TREE(&mp->m_perag_tree, GFP_ATOMIC); error = xfs_initialize_perag(mp, sbp->sb_agcount, &mp->m_maxagi); if (error) { cmn_err(CE_WARN, "XFS: Failed per-ag init: %d", error); diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c index 6be05f756d59..16445518506d 100644 --- a/fs/xfs/xfs_rtalloc.c +++ b/fs/xfs/xfs_rtalloc.c @@ -2247,7 +2247,7 @@ xfs_rtmount_init( cmn_err(CE_WARN, "XFS: realtime mount -- %llu != %llu", (unsigned long long) XFS_BB_TO_FSB(mp, d), (unsigned long long) mp->m_sb.sb_rblocks); - return XFS_ERROR(E2BIG); + return XFS_ERROR(EFBIG); } error = xfs_read_buf(mp, mp->m_rtdev_targp, d - XFS_FSB_TO_BB(mp, 1), @@ -2256,7 +2256,7 @@ xfs_rtmount_init( cmn_err(CE_WARN, "XFS: realtime mount -- xfs_read_buf failed, returned %d", error); if (error == ENOSPC) - return XFS_ERROR(E2BIG); + return XFS_ERROR(EFBIG); return error; } xfs_buf_relse(bp); diff --git a/fs/xfs/xfs_rtalloc.h b/fs/xfs/xfs_rtalloc.h index b2d67adb6a08..ff614c29b441 100644 --- a/fs/xfs/xfs_rtalloc.h +++ b/fs/xfs/xfs_rtalloc.h @@ -147,7 +147,16 @@ xfs_growfs_rt( # define xfs_rtfree_extent(t,b,l) (ENOSYS) # define xfs_rtpick_extent(m,t,l,rb) (ENOSYS) # define xfs_growfs_rt(mp,in) (ENOSYS) -# define xfs_rtmount_init(m) (((mp)->m_sb.sb_rblocks == 0)? 0 : (ENOSYS)) +static inline int /* error */ +xfs_rtmount_init( + xfs_mount_t *mp) /* file system mount structure */ +{ + if (mp->m_sb.sb_rblocks == 0) + return 0; + + cmn_err(CE_WARN, "XFS: Not built with CONFIG_XFS_RT"); + return ENOSYS; +} # define xfs_rtmount_inodes(m) (((mp)->m_sb.sb_rblocks == 0)? 0 : (ENOSYS)) # define xfs_rtunmount_inodes(m) #endif /* CONFIG_XFS_RT */ diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c index ce558efa2ea0..28547dfce037 100644 --- a/fs/xfs/xfs_trans.c +++ b/fs/xfs/xfs_trans.c @@ -48,134 +48,489 @@ kmem_zone_t *xfs_trans_zone; + /* - * Reservation functions here avoid a huge stack in xfs_trans_init - * due to register overflow from temporaries in the calculations. + * Various log reservation values. + * + * These are based on the size of the file system block because that is what + * most transactions manipulate. Each adds in an additional 128 bytes per + * item logged to try to account for the overhead of the transaction mechanism. + * + * Note: Most of the reservations underestimate the number of allocation + * groups into which they could free extents in the xfs_bmap_finish() call. + * This is because the number in the worst case is quite high and quite + * unusual. In order to fix this we need to change xfs_bmap_finish() to free + * extents in only a single AG at a time. This will require changes to the + * EFI code as well, however, so that the EFI for the extents not freed is + * logged again in each transaction. See SGI PV #261917. + * + * Reservation functions here avoid a huge stack in xfs_trans_init due to + * register overflow from temporaries in the calculations. + */ + + +/* + * In a write transaction we can allocate a maximum of 2 + * extents. This gives: + * the inode getting the new extents: inode size + * the inode's bmap btree: max depth * block size + * the agfs of the ags from which the extents are allocated: 2 * sector + * the superblock free block counter: sector size + * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size + * And the bmap_finish transaction can free bmap blocks in a join: + * the agfs of the ags containing the blocks: 2 * sector size + * the agfls of the ags containing the blocks: 2 * sector size + * the super block free block counter: sector size + * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size */ STATIC uint -xfs_calc_write_reservation(xfs_mount_t *mp) +xfs_calc_write_reservation( + struct xfs_mount *mp) { - return XFS_CALC_WRITE_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp); + return XFS_DQUOT_LOGRES(mp) + + MAX((mp->m_sb.sb_inodesize + + XFS_FSB_TO_B(mp, XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)) + + 2 * mp->m_sb.sb_sectsize + + mp->m_sb.sb_sectsize + + XFS_ALLOCFREE_LOG_RES(mp, 2) + + 128 * (4 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + + XFS_ALLOCFREE_LOG_COUNT(mp, 2))), + (2 * mp->m_sb.sb_sectsize + + 2 * mp->m_sb.sb_sectsize + + mp->m_sb.sb_sectsize + + XFS_ALLOCFREE_LOG_RES(mp, 2) + + 128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))); } +/* + * In truncating a file we free up to two extents at once. We can modify: + * the inode being truncated: inode size + * the inode's bmap btree: (max depth + 1) * block size + * And the bmap_finish transaction can free the blocks and bmap blocks: + * the agf for each of the ags: 4 * sector size + * the agfl for each of the ags: 4 * sector size + * the super block to reflect the freed blocks: sector size + * worst case split in allocation btrees per extent assuming 4 extents: + * 4 exts * 2 trees * (2 * max depth - 1) * block size + * the inode btree: max depth * blocksize + * the allocation btrees: 2 trees * (max depth - 1) * block size + */ STATIC uint -xfs_calc_itruncate_reservation(xfs_mount_t *mp) +xfs_calc_itruncate_reservation( + struct xfs_mount *mp) { - return XFS_CALC_ITRUNCATE_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp); + return XFS_DQUOT_LOGRES(mp) + + MAX((mp->m_sb.sb_inodesize + + XFS_FSB_TO_B(mp, XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + 1) + + 128 * (2 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK))), + (4 * mp->m_sb.sb_sectsize + + 4 * mp->m_sb.sb_sectsize + + mp->m_sb.sb_sectsize + + XFS_ALLOCFREE_LOG_RES(mp, 4) + + 128 * (9 + XFS_ALLOCFREE_LOG_COUNT(mp, 4)) + + 128 * 5 + + XFS_ALLOCFREE_LOG_RES(mp, 1) + + 128 * (2 + XFS_IALLOC_BLOCKS(mp) + mp->m_in_maxlevels + + XFS_ALLOCFREE_LOG_COUNT(mp, 1)))); } +/* + * In renaming a files we can modify: + * the four inodes involved: 4 * inode size + * the two directory btrees: 2 * (max depth + v2) * dir block size + * the two directory bmap btrees: 2 * max depth * block size + * And the bmap_finish transaction can free dir and bmap blocks (two sets + * of bmap blocks) giving: + * the agf for the ags in which the blocks live: 3 * sector size + * the agfl for the ags in which the blocks live: 3 * sector size + * the superblock for the free block count: sector size + * the allocation btrees: 3 exts * 2 trees * (2 * max depth - 1) * block size + */ STATIC uint -xfs_calc_rename_reservation(xfs_mount_t *mp) +xfs_calc_rename_reservation( + struct xfs_mount *mp) { - return XFS_CALC_RENAME_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp); + return XFS_DQUOT_LOGRES(mp) + + MAX((4 * mp->m_sb.sb_inodesize + + 2 * XFS_DIROP_LOG_RES(mp) + + 128 * (4 + 2 * XFS_DIROP_LOG_COUNT(mp))), + (3 * mp->m_sb.sb_sectsize + + 3 * mp->m_sb.sb_sectsize + + mp->m_sb.sb_sectsize + + XFS_ALLOCFREE_LOG_RES(mp, 3) + + 128 * (7 + XFS_ALLOCFREE_LOG_COUNT(mp, 3)))); } +/* + * For creating a link to an inode: + * the parent directory inode: inode size + * the linked inode: inode size + * the directory btree could split: (max depth + v2) * dir block size + * the directory bmap btree could join or split: (max depth + v2) * blocksize + * And the bmap_finish transaction can free some bmap blocks giving: + * the agf for the ag in which the blocks live: sector size + * the agfl for the ag in which the blocks live: sector size + * the superblock for the free block count: sector size + * the allocation btrees: 2 trees * (2 * max depth - 1) * block size + */ STATIC uint -xfs_calc_link_reservation(xfs_mount_t *mp) +xfs_calc_link_reservation( + struct xfs_mount *mp) { - return XFS_CALC_LINK_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp); + return XFS_DQUOT_LOGRES(mp) + + MAX((mp->m_sb.sb_inodesize + + mp->m_sb.sb_inodesize + + XFS_DIROP_LOG_RES(mp) + + 128 * (2 + XFS_DIROP_LOG_COUNT(mp))), + (mp->m_sb.sb_sectsize + + mp->m_sb.sb_sectsize + + mp->m_sb.sb_sectsize + + XFS_ALLOCFREE_LOG_RES(mp, 1) + + 128 * (3 + XFS_ALLOCFREE_LOG_COUNT(mp, 1)))); } +/* + * For removing a directory entry we can modify: + * the parent directory inode: inode size + * the removed inode: inode size + * the directory btree could join: (max depth + v2) * dir block size + * the directory bmap btree could join or split: (max depth + v2) * blocksize + * And the bmap_finish transaction can free the dir and bmap blocks giving: + * the agf for the ag in which the blocks live: 2 * sector size + * the agfl for the ag in which the blocks live: 2 * sector size + * the superblock for the free block count: sector size + * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size + */ STATIC uint -xfs_calc_remove_reservation(xfs_mount_t *mp) +xfs_calc_remove_reservation( + struct xfs_mount *mp) { - return XFS_CALC_REMOVE_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp); + return XFS_DQUOT_LOGRES(mp) + + MAX((mp->m_sb.sb_inodesize + + mp->m_sb.sb_inodesize + + XFS_DIROP_LOG_RES(mp) + + 128 * (2 + XFS_DIROP_LOG_COUNT(mp))), + (2 * mp->m_sb.sb_sectsize + + 2 * mp->m_sb.sb_sectsize + + mp->m_sb.sb_sectsize + + XFS_ALLOCFREE_LOG_RES(mp, 2) + + 128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))); } +/* + * For symlink we can modify: + * the parent directory inode: inode size + * the new inode: inode size + * the inode btree entry: 1 block + * the directory btree: (max depth + v2) * dir block size + * the directory inode's bmap btree: (max depth + v2) * block size + * the blocks for the symlink: 1 kB + * Or in the first xact we allocate some inodes giving: + * the agi and agf of the ag getting the new inodes: 2 * sectorsize + * the inode blocks allocated: XFS_IALLOC_BLOCKS * blocksize + * the inode btree: max depth * blocksize + * the allocation btrees: 2 trees * (2 * max depth - 1) * block size + */ STATIC uint -xfs_calc_symlink_reservation(xfs_mount_t *mp) +xfs_calc_symlink_reservation( + struct xfs_mount *mp) { - return XFS_CALC_SYMLINK_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp); + return XFS_DQUOT_LOGRES(mp) + + MAX((mp->m_sb.sb_inodesize + + mp->m_sb.sb_inodesize + + XFS_FSB_TO_B(mp, 1) + + XFS_DIROP_LOG_RES(mp) + + 1024 + + 128 * (4 + XFS_DIROP_LOG_COUNT(mp))), + (2 * mp->m_sb.sb_sectsize + + XFS_FSB_TO_B(mp, XFS_IALLOC_BLOCKS(mp)) + + XFS_FSB_TO_B(mp, mp->m_in_maxlevels) + + XFS_ALLOCFREE_LOG_RES(mp, 1) + + 128 * (2 + XFS_IALLOC_BLOCKS(mp) + mp->m_in_maxlevels + + XFS_ALLOCFREE_LOG_COUNT(mp, 1)))); } +/* + * For create we can modify: + * the parent directory inode: inode size + * the new inode: inode size + * the inode btree entry: block size + * the superblock for the nlink flag: sector size + * the directory btree: (max depth + v2) * dir block size + * the directory inode's bmap btree: (max depth + v2) * block size + * Or in the first xact we allocate some inodes giving: + * the agi and agf of the ag getting the new inodes: 2 * sectorsize + * the superblock for the nlink flag: sector size + * the inode blocks allocated: XFS_IALLOC_BLOCKS * blocksize + * the inode btree: max depth * blocksize + * the allocation btrees: 2 trees * (max depth - 1) * block size + */ STATIC uint -xfs_calc_create_reservation(xfs_mount_t *mp) +xfs_calc_create_reservation( + struct xfs_mount *mp) { - return XFS_CALC_CREATE_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp); + return XFS_DQUOT_LOGRES(mp) + + MAX((mp->m_sb.sb_inodesize + + mp->m_sb.sb_inodesize + + mp->m_sb.sb_sectsize + + XFS_FSB_TO_B(mp, 1) + + XFS_DIROP_LOG_RES(mp) + + 128 * (3 + XFS_DIROP_LOG_COUNT(mp))), + (3 * mp->m_sb.sb_sectsize + + XFS_FSB_TO_B(mp, XFS_IALLOC_BLOCKS(mp)) + + XFS_FSB_TO_B(mp, mp->m_in_maxlevels) + + XFS_ALLOCFREE_LOG_RES(mp, 1) + + 128 * (2 + XFS_IALLOC_BLOCKS(mp) + mp->m_in_maxlevels + + XFS_ALLOCFREE_LOG_COUNT(mp, 1)))); } +/* + * Making a new directory is the same as creating a new file. + */ STATIC uint -xfs_calc_mkdir_reservation(xfs_mount_t *mp) +xfs_calc_mkdir_reservation( + struct xfs_mount *mp) { - return XFS_CALC_MKDIR_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp); + return xfs_calc_create_reservation(mp); } +/* + * In freeing an inode we can modify: + * the inode being freed: inode size + * the super block free inode counter: sector size + * the agi hash list and counters: sector size + * the inode btree entry: block size + * the on disk inode before ours in the agi hash list: inode cluster size + * the inode btree: max depth * blocksize + * the allocation btrees: 2 trees * (max depth - 1) * block size + */ STATIC uint -xfs_calc_ifree_reservation(xfs_mount_t *mp) +xfs_calc_ifree_reservation( + struct xfs_mount *mp) { - return XFS_CALC_IFREE_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp); + return XFS_DQUOT_LOGRES(mp) + + mp->m_sb.sb_inodesize + + mp->m_sb.sb_sectsize + + mp->m_sb.sb_sectsize + + XFS_FSB_TO_B(mp, 1) + + MAX((__uint16_t)XFS_FSB_TO_B(mp, 1), + XFS_INODE_CLUSTER_SIZE(mp)) + + 128 * 5 + + XFS_ALLOCFREE_LOG_RES(mp, 1) + + 128 * (2 + XFS_IALLOC_BLOCKS(mp) + mp->m_in_maxlevels + + XFS_ALLOCFREE_LOG_COUNT(mp, 1)); } +/* + * When only changing the inode we log the inode and possibly the superblock + * We also add a bit of slop for the transaction stuff. + */ STATIC uint -xfs_calc_ichange_reservation(xfs_mount_t *mp) +xfs_calc_ichange_reservation( + struct xfs_mount *mp) { - return XFS_CALC_ICHANGE_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp); + return XFS_DQUOT_LOGRES(mp) + + mp->m_sb.sb_inodesize + + mp->m_sb.sb_sectsize + + 512; + } +/* + * Growing the data section of the filesystem. + * superblock + * agi and agf + * allocation btrees + */ STATIC uint -xfs_calc_growdata_reservation(xfs_mount_t *mp) +xfs_calc_growdata_reservation( + struct xfs_mount *mp) { - return XFS_CALC_GROWDATA_LOG_RES(mp); + return mp->m_sb.sb_sectsize * 3 + + XFS_ALLOCFREE_LOG_RES(mp, 1) + + 128 * (3 + XFS_ALLOCFREE_LOG_COUNT(mp, 1)); } +/* + * Growing the rt section of the filesystem. + * In the first set of transactions (ALLOC) we allocate space to the + * bitmap or summary files. + * superblock: sector size + * agf of the ag from which the extent is allocated: sector size + * bmap btree for bitmap/summary inode: max depth * blocksize + * bitmap/summary inode: inode size + * allocation btrees for 1 block alloc: 2 * (2 * maxdepth - 1) * blocksize + */ STATIC uint -xfs_calc_growrtalloc_reservation(xfs_mount_t *mp) +xfs_calc_growrtalloc_reservation( + struct xfs_mount *mp) { - return XFS_CALC_GROWRTALLOC_LOG_RES(mp); + return 2 * mp->m_sb.sb_sectsize + + XFS_FSB_TO_B(mp, XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)) + + mp->m_sb.sb_inodesize + + XFS_ALLOCFREE_LOG_RES(mp, 1) + + 128 * (3 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + + XFS_ALLOCFREE_LOG_COUNT(mp, 1)); } +/* + * Growing the rt section of the filesystem. + * In the second set of transactions (ZERO) we zero the new metadata blocks. + * one bitmap/summary block: blocksize + */ STATIC uint -xfs_calc_growrtzero_reservation(xfs_mount_t *mp) +xfs_calc_growrtzero_reservation( + struct xfs_mount *mp) { - return XFS_CALC_GROWRTZERO_LOG_RES(mp); + return mp->m_sb.sb_blocksize + 128; } +/* + * Growing the rt section of the filesystem. + * In the third set of transactions (FREE) we update metadata without + * allocating any new blocks. + * superblock: sector size + * bitmap inode: inode size + * summary inode: inode size + * one bitmap block: blocksize + * summary blocks: new summary size + */ STATIC uint -xfs_calc_growrtfree_reservation(xfs_mount_t *mp) +xfs_calc_growrtfree_reservation( + struct xfs_mount *mp) { - return XFS_CALC_GROWRTFREE_LOG_RES(mp); + return mp->m_sb.sb_sectsize + + 2 * mp->m_sb.sb_inodesize + + mp->m_sb.sb_blocksize + + mp->m_rsumsize + + 128 * 5; } +/* + * Logging the inode modification timestamp on a synchronous write. + * inode + */ STATIC uint -xfs_calc_swrite_reservation(xfs_mount_t *mp) +xfs_calc_swrite_reservation( + struct xfs_mount *mp) { - return XFS_CALC_SWRITE_LOG_RES(mp); + return mp->m_sb.sb_inodesize + 128; } +/* + * Logging the inode mode bits when writing a setuid/setgid file + * inode + */ STATIC uint xfs_calc_writeid_reservation(xfs_mount_t *mp) { - return XFS_CALC_WRITEID_LOG_RES(mp); + return mp->m_sb.sb_inodesize + 128; } +/* + * Converting the inode from non-attributed to attributed. + * the inode being converted: inode size + * agf block and superblock (for block allocation) + * the new block (directory sized) + * bmap blocks for the new directory block + * allocation btrees + */ STATIC uint -xfs_calc_addafork_reservation(xfs_mount_t *mp) +xfs_calc_addafork_reservation( + struct xfs_mount *mp) { - return XFS_CALC_ADDAFORK_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp); + return XFS_DQUOT_LOGRES(mp) + + mp->m_sb.sb_inodesize + + mp->m_sb.sb_sectsize * 2 + + mp->m_dirblksize + + XFS_FSB_TO_B(mp, XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1) + + XFS_ALLOCFREE_LOG_RES(mp, 1) + + 128 * (4 + XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1 + + XFS_ALLOCFREE_LOG_COUNT(mp, 1)); } +/* + * Removing the attribute fork of a file + * the inode being truncated: inode size + * the inode's bmap btree: max depth * block size + * And the bmap_finish transaction can free the blocks and bmap blocks: + * the agf for each of the ags: 4 * sector size + * the agfl for each of the ags: 4 * sector size + * the super block to reflect the freed blocks: sector size + * worst case split in allocation btrees per extent assuming 4 extents: + * 4 exts * 2 trees * (2 * max depth - 1) * block size + */ STATIC uint -xfs_calc_attrinval_reservation(xfs_mount_t *mp) +xfs_calc_attrinval_reservation( + struct xfs_mount *mp) { - return XFS_CALC_ATTRINVAL_LOG_RES(mp); + return MAX((mp->m_sb.sb_inodesize + + XFS_FSB_TO_B(mp, XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)) + + 128 * (1 + XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK))), + (4 * mp->m_sb.sb_sectsize + + 4 * mp->m_sb.sb_sectsize + + mp->m_sb.sb_sectsize + + XFS_ALLOCFREE_LOG_RES(mp, 4) + + 128 * (9 + XFS_ALLOCFREE_LOG_COUNT(mp, 4)))); } +/* + * Setting an attribute. + * the inode getting the attribute + * the superblock for allocations + * the agfs extents are allocated from + * the attribute btree * max depth + * the inode allocation btree + * Since attribute transaction space is dependent on the size of the attribute, + * the calculation is done partially at mount time and partially at runtime. + */ STATIC uint -xfs_calc_attrset_reservation(xfs_mount_t *mp) +xfs_calc_attrset_reservation( + struct xfs_mount *mp) { - return XFS_CALC_ATTRSET_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp); + return XFS_DQUOT_LOGRES(mp) + + mp->m_sb.sb_inodesize + + mp->m_sb.sb_sectsize + + XFS_FSB_TO_B(mp, XFS_DA_NODE_MAXDEPTH) + + 128 * (2 + XFS_DA_NODE_MAXDEPTH); } +/* + * Removing an attribute. + * the inode: inode size + * the attribute btree could join: max depth * block size + * the inode bmap btree could join or split: max depth * block size + * And the bmap_finish transaction can free the attr blocks freed giving: + * the agf for the ag in which the blocks live: 2 * sector size + * the agfl for the ag in which the blocks live: 2 * sector size + * the superblock for the free block count: sector size + * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size + */ STATIC uint -xfs_calc_attrrm_reservation(xfs_mount_t *mp) +xfs_calc_attrrm_reservation( + struct xfs_mount *mp) { - return XFS_CALC_ATTRRM_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp); + return XFS_DQUOT_LOGRES(mp) + + MAX((mp->m_sb.sb_inodesize + + XFS_FSB_TO_B(mp, XFS_DA_NODE_MAXDEPTH) + + XFS_FSB_TO_B(mp, XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)) + + 128 * (1 + XFS_DA_NODE_MAXDEPTH + + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK))), + (2 * mp->m_sb.sb_sectsize + + 2 * mp->m_sb.sb_sectsize + + mp->m_sb.sb_sectsize + + XFS_ALLOCFREE_LOG_RES(mp, 2) + + 128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))); } +/* + * Clearing a bad agino number in an agi hash bucket. + */ STATIC uint -xfs_calc_clear_agi_bucket_reservation(xfs_mount_t *mp) +xfs_calc_clear_agi_bucket_reservation( + struct xfs_mount *mp) { - return XFS_CALC_CLEAR_AGI_BUCKET_LOG_RES(mp); + return mp->m_sb.sb_sectsize + 128; } /* @@ -184,11 +539,10 @@ xfs_calc_clear_agi_bucket_reservation(xfs_mount_t *mp) */ void xfs_trans_init( - xfs_mount_t *mp) + struct xfs_mount *mp) { - xfs_trans_reservations_t *resp; + struct xfs_trans_reservations *resp = &mp->m_reservations; - resp = &(mp->m_reservations); resp->tr_write = xfs_calc_write_reservation(mp); resp->tr_itruncate = xfs_calc_itruncate_reservation(mp); resp->tr_rename = xfs_calc_rename_reservation(mp); diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h index 8c69e7824f68..e639e8e9a2a9 100644 --- a/fs/xfs/xfs_trans.h +++ b/fs/xfs/xfs_trans.h @@ -300,24 +300,6 @@ xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp) /* - * Various log reservation values. - * These are based on the size of the file system block - * because that is what most transactions manipulate. - * Each adds in an additional 128 bytes per item logged to - * try to account for the overhead of the transaction mechanism. - * - * Note: - * Most of the reservations underestimate the number of allocation - * groups into which they could free extents in the xfs_bmap_finish() - * call. This is because the number in the worst case is quite high - * and quite unusual. In order to fix this we need to change - * xfs_bmap_finish() to free extents in only a single AG at a time. - * This will require changes to the EFI code as well, however, so that - * the EFI for the extents not freed is logged again in each transaction. - * See bug 261917. - */ - -/* * Per-extent log reservation for the allocation btree changes * involved in freeing or allocating an extent. * 2 trees * (2 blocks/level * max depth - 1) * block size @@ -341,429 +323,36 @@ xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp) (XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK) + \ XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1) -/* - * In a write transaction we can allocate a maximum of 2 - * extents. This gives: - * the inode getting the new extents: inode size - * the inode's bmap btree: max depth * block size - * the agfs of the ags from which the extents are allocated: 2 * sector - * the superblock free block counter: sector size - * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size - * And the bmap_finish transaction can free bmap blocks in a join: - * the agfs of the ags containing the blocks: 2 * sector size - * the agfls of the ags containing the blocks: 2 * sector size - * the super block free block counter: sector size - * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size - */ -#define XFS_CALC_WRITE_LOG_RES(mp) \ - (MAX( \ - ((mp)->m_sb.sb_inodesize + \ - XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)) + \ - (2 * (mp)->m_sb.sb_sectsize) + \ - (mp)->m_sb.sb_sectsize + \ - XFS_ALLOCFREE_LOG_RES(mp, 2) + \ - (128 * (4 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))),\ - ((2 * (mp)->m_sb.sb_sectsize) + \ - (2 * (mp)->m_sb.sb_sectsize) + \ - (mp)->m_sb.sb_sectsize + \ - XFS_ALLOCFREE_LOG_RES(mp, 2) + \ - (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))))) #define XFS_WRITE_LOG_RES(mp) ((mp)->m_reservations.tr_write) - -/* - * In truncating a file we free up to two extents at once. We can modify: - * the inode being truncated: inode size - * the inode's bmap btree: (max depth + 1) * block size - * And the bmap_finish transaction can free the blocks and bmap blocks: - * the agf for each of the ags: 4 * sector size - * the agfl for each of the ags: 4 * sector size - * the super block to reflect the freed blocks: sector size - * worst case split in allocation btrees per extent assuming 4 extents: - * 4 exts * 2 trees * (2 * max depth - 1) * block size - * the inode btree: max depth * blocksize - * the allocation btrees: 2 trees * (max depth - 1) * block size - */ -#define XFS_CALC_ITRUNCATE_LOG_RES(mp) \ - (MAX( \ - ((mp)->m_sb.sb_inodesize + \ - XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + 1) + \ - (128 * (2 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)))), \ - ((4 * (mp)->m_sb.sb_sectsize) + \ - (4 * (mp)->m_sb.sb_sectsize) + \ - (mp)->m_sb.sb_sectsize + \ - XFS_ALLOCFREE_LOG_RES(mp, 4) + \ - (128 * (9 + XFS_ALLOCFREE_LOG_COUNT(mp, 4))) + \ - (128 * 5) + \ - XFS_ALLOCFREE_LOG_RES(mp, 1) + \ - (128 * (2 + XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels + \ - XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) - #define XFS_ITRUNCATE_LOG_RES(mp) ((mp)->m_reservations.tr_itruncate) - -/* - * In renaming a files we can modify: - * the four inodes involved: 4 * inode size - * the two directory btrees: 2 * (max depth + v2) * dir block size - * the two directory bmap btrees: 2 * max depth * block size - * And the bmap_finish transaction can free dir and bmap blocks (two sets - * of bmap blocks) giving: - * the agf for the ags in which the blocks live: 3 * sector size - * the agfl for the ags in which the blocks live: 3 * sector size - * the superblock for the free block count: sector size - * the allocation btrees: 3 exts * 2 trees * (2 * max depth - 1) * block size - */ -#define XFS_CALC_RENAME_LOG_RES(mp) \ - (MAX( \ - ((4 * (mp)->m_sb.sb_inodesize) + \ - (2 * XFS_DIROP_LOG_RES(mp)) + \ - (128 * (4 + 2 * XFS_DIROP_LOG_COUNT(mp)))), \ - ((3 * (mp)->m_sb.sb_sectsize) + \ - (3 * (mp)->m_sb.sb_sectsize) + \ - (mp)->m_sb.sb_sectsize + \ - XFS_ALLOCFREE_LOG_RES(mp, 3) + \ - (128 * (7 + XFS_ALLOCFREE_LOG_COUNT(mp, 3)))))) - #define XFS_RENAME_LOG_RES(mp) ((mp)->m_reservations.tr_rename) - -/* - * For creating a link to an inode: - * the parent directory inode: inode size - * the linked inode: inode size - * the directory btree could split: (max depth + v2) * dir block size - * the directory bmap btree could join or split: (max depth + v2) * blocksize - * And the bmap_finish transaction can free some bmap blocks giving: - * the agf for the ag in which the blocks live: sector size - * the agfl for the ag in which the blocks live: sector size - * the superblock for the free block count: sector size - * the allocation btrees: 2 trees * (2 * max depth - 1) * block size - */ -#define XFS_CALC_LINK_LOG_RES(mp) \ - (MAX( \ - ((mp)->m_sb.sb_inodesize + \ - (mp)->m_sb.sb_inodesize + \ - XFS_DIROP_LOG_RES(mp) + \ - (128 * (2 + XFS_DIROP_LOG_COUNT(mp)))), \ - ((mp)->m_sb.sb_sectsize + \ - (mp)->m_sb.sb_sectsize + \ - (mp)->m_sb.sb_sectsize + \ - XFS_ALLOCFREE_LOG_RES(mp, 1) + \ - (128 * (3 + XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) - #define XFS_LINK_LOG_RES(mp) ((mp)->m_reservations.tr_link) - -/* - * For removing a directory entry we can modify: - * the parent directory inode: inode size - * the removed inode: inode size - * the directory btree could join: (max depth + v2) * dir block size - * the directory bmap btree could join or split: (max depth + v2) * blocksize - * And the bmap_finish transaction can free the dir and bmap blocks giving: - * the agf for the ag in which the blocks live: 2 * sector size - * the agfl for the ag in which the blocks live: 2 * sector size - * the superblock for the free block count: sector size - * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size - */ -#define XFS_CALC_REMOVE_LOG_RES(mp) \ - (MAX( \ - ((mp)->m_sb.sb_inodesize + \ - (mp)->m_sb.sb_inodesize + \ - XFS_DIROP_LOG_RES(mp) + \ - (128 * (2 + XFS_DIROP_LOG_COUNT(mp)))), \ - ((2 * (mp)->m_sb.sb_sectsize) + \ - (2 * (mp)->m_sb.sb_sectsize) + \ - (mp)->m_sb.sb_sectsize + \ - XFS_ALLOCFREE_LOG_RES(mp, 2) + \ - (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))))) - #define XFS_REMOVE_LOG_RES(mp) ((mp)->m_reservations.tr_remove) - -/* - * For symlink we can modify: - * the parent directory inode: inode size - * the new inode: inode size - * the inode btree entry: 1 block - * the directory btree: (max depth + v2) * dir block size - * the directory inode's bmap btree: (max depth + v2) * block size - * the blocks for the symlink: 1 kB - * Or in the first xact we allocate some inodes giving: - * the agi and agf of the ag getting the new inodes: 2 * sectorsize - * the inode blocks allocated: XFS_IALLOC_BLOCKS * blocksize - * the inode btree: max depth * blocksize - * the allocation btrees: 2 trees * (2 * max depth - 1) * block size - */ -#define XFS_CALC_SYMLINK_LOG_RES(mp) \ - (MAX( \ - ((mp)->m_sb.sb_inodesize + \ - (mp)->m_sb.sb_inodesize + \ - XFS_FSB_TO_B(mp, 1) + \ - XFS_DIROP_LOG_RES(mp) + \ - 1024 + \ - (128 * (4 + XFS_DIROP_LOG_COUNT(mp)))), \ - (2 * (mp)->m_sb.sb_sectsize + \ - XFS_FSB_TO_B((mp), XFS_IALLOC_BLOCKS((mp))) + \ - XFS_FSB_TO_B((mp), (mp)->m_in_maxlevels) + \ - XFS_ALLOCFREE_LOG_RES(mp, 1) + \ - (128 * (2 + XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels + \ - XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) - #define XFS_SYMLINK_LOG_RES(mp) ((mp)->m_reservations.tr_symlink) - -/* - * For create we can modify: - * the parent directory inode: inode size - * the new inode: inode size - * the inode btree entry: block size - * the superblock for the nlink flag: sector size - * the directory btree: (max depth + v2) * dir block size - * the directory inode's bmap btree: (max depth + v2) * block size - * Or in the first xact we allocate some inodes giving: - * the agi and agf of the ag getting the new inodes: 2 * sectorsize - * the superblock for the nlink flag: sector size - * the inode blocks allocated: XFS_IALLOC_BLOCKS * blocksize - * the inode btree: max depth * blocksize - * the allocation btrees: 2 trees * (max depth - 1) * block size - */ -#define XFS_CALC_CREATE_LOG_RES(mp) \ - (MAX( \ - ((mp)->m_sb.sb_inodesize + \ - (mp)->m_sb.sb_inodesize + \ - (mp)->m_sb.sb_sectsize + \ - XFS_FSB_TO_B(mp, 1) + \ - XFS_DIROP_LOG_RES(mp) + \ - (128 * (3 + XFS_DIROP_LOG_COUNT(mp)))), \ - (3 * (mp)->m_sb.sb_sectsize + \ - XFS_FSB_TO_B((mp), XFS_IALLOC_BLOCKS((mp))) + \ - XFS_FSB_TO_B((mp), (mp)->m_in_maxlevels) + \ - XFS_ALLOCFREE_LOG_RES(mp, 1) + \ - (128 * (2 + XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels + \ - XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) - #define XFS_CREATE_LOG_RES(mp) ((mp)->m_reservations.tr_create) - -/* - * Making a new directory is the same as creating a new file. - */ -#define XFS_CALC_MKDIR_LOG_RES(mp) XFS_CALC_CREATE_LOG_RES(mp) - #define XFS_MKDIR_LOG_RES(mp) ((mp)->m_reservations.tr_mkdir) - -/* - * In freeing an inode we can modify: - * the inode being freed: inode size - * the super block free inode counter: sector size - * the agi hash list and counters: sector size - * the inode btree entry: block size - * the on disk inode before ours in the agi hash list: inode cluster size - * the inode btree: max depth * blocksize - * the allocation btrees: 2 trees * (max depth - 1) * block size - */ -#define XFS_CALC_IFREE_LOG_RES(mp) \ - ((mp)->m_sb.sb_inodesize + \ - (mp)->m_sb.sb_sectsize + \ - (mp)->m_sb.sb_sectsize + \ - XFS_FSB_TO_B((mp), 1) + \ - MAX((__uint16_t)XFS_FSB_TO_B((mp), 1), XFS_INODE_CLUSTER_SIZE(mp)) + \ - (128 * 5) + \ - XFS_ALLOCFREE_LOG_RES(mp, 1) + \ - (128 * (2 + XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels + \ - XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) - - #define XFS_IFREE_LOG_RES(mp) ((mp)->m_reservations.tr_ifree) - -/* - * When only changing the inode we log the inode and possibly the superblock - * We also add a bit of slop for the transaction stuff. - */ -#define XFS_CALC_ICHANGE_LOG_RES(mp) ((mp)->m_sb.sb_inodesize + \ - (mp)->m_sb.sb_sectsize + 512) - #define XFS_ICHANGE_LOG_RES(mp) ((mp)->m_reservations.tr_ichange) - -/* - * Growing the data section of the filesystem. - * superblock - * agi and agf - * allocation btrees - */ -#define XFS_CALC_GROWDATA_LOG_RES(mp) \ - ((mp)->m_sb.sb_sectsize * 3 + \ - XFS_ALLOCFREE_LOG_RES(mp, 1) + \ - (128 * (3 + XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) - #define XFS_GROWDATA_LOG_RES(mp) ((mp)->m_reservations.tr_growdata) - -/* - * Growing the rt section of the filesystem. - * In the first set of transactions (ALLOC) we allocate space to the - * bitmap or summary files. - * superblock: sector size - * agf of the ag from which the extent is allocated: sector size - * bmap btree for bitmap/summary inode: max depth * blocksize - * bitmap/summary inode: inode size - * allocation btrees for 1 block alloc: 2 * (2 * maxdepth - 1) * blocksize - */ -#define XFS_CALC_GROWRTALLOC_LOG_RES(mp) \ - (2 * (mp)->m_sb.sb_sectsize + \ - XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)) + \ - (mp)->m_sb.sb_inodesize + \ - XFS_ALLOCFREE_LOG_RES(mp, 1) + \ - (128 * \ - (3 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + \ - XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) - #define XFS_GROWRTALLOC_LOG_RES(mp) ((mp)->m_reservations.tr_growrtalloc) - -/* - * Growing the rt section of the filesystem. - * In the second set of transactions (ZERO) we zero the new metadata blocks. - * one bitmap/summary block: blocksize - */ -#define XFS_CALC_GROWRTZERO_LOG_RES(mp) \ - ((mp)->m_sb.sb_blocksize + 128) - #define XFS_GROWRTZERO_LOG_RES(mp) ((mp)->m_reservations.tr_growrtzero) - -/* - * Growing the rt section of the filesystem. - * In the third set of transactions (FREE) we update metadata without - * allocating any new blocks. - * superblock: sector size - * bitmap inode: inode size - * summary inode: inode size - * one bitmap block: blocksize - * summary blocks: new summary size - */ -#define XFS_CALC_GROWRTFREE_LOG_RES(mp) \ - ((mp)->m_sb.sb_sectsize + \ - 2 * (mp)->m_sb.sb_inodesize + \ - (mp)->m_sb.sb_blocksize + \ - (mp)->m_rsumsize + \ - (128 * 5)) - #define XFS_GROWRTFREE_LOG_RES(mp) ((mp)->m_reservations.tr_growrtfree) - -/* - * Logging the inode modification timestamp on a synchronous write. - * inode - */ -#define XFS_CALC_SWRITE_LOG_RES(mp) \ - ((mp)->m_sb.sb_inodesize + 128) - #define XFS_SWRITE_LOG_RES(mp) ((mp)->m_reservations.tr_swrite) - /* * Logging the inode timestamps on an fsync -- same as SWRITE * as long as SWRITE logs the entire inode core */ #define XFS_FSYNC_TS_LOG_RES(mp) ((mp)->m_reservations.tr_swrite) - -/* - * Logging the inode mode bits when writing a setuid/setgid file - * inode - */ -#define XFS_CALC_WRITEID_LOG_RES(mp) \ - ((mp)->m_sb.sb_inodesize + 128) - #define XFS_WRITEID_LOG_RES(mp) ((mp)->m_reservations.tr_swrite) - -/* - * Converting the inode from non-attributed to attributed. - * the inode being converted: inode size - * agf block and superblock (for block allocation) - * the new block (directory sized) - * bmap blocks for the new directory block - * allocation btrees - */ -#define XFS_CALC_ADDAFORK_LOG_RES(mp) \ - ((mp)->m_sb.sb_inodesize + \ - (mp)->m_sb.sb_sectsize * 2 + \ - (mp)->m_dirblksize + \ - XFS_FSB_TO_B(mp, (XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1)) + \ - XFS_ALLOCFREE_LOG_RES(mp, 1) + \ - (128 * (4 + (XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1) + \ - XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) - #define XFS_ADDAFORK_LOG_RES(mp) ((mp)->m_reservations.tr_addafork) - -/* - * Removing the attribute fork of a file - * the inode being truncated: inode size - * the inode's bmap btree: max depth * block size - * And the bmap_finish transaction can free the blocks and bmap blocks: - * the agf for each of the ags: 4 * sector size - * the agfl for each of the ags: 4 * sector size - * the super block to reflect the freed blocks: sector size - * worst case split in allocation btrees per extent assuming 4 extents: - * 4 exts * 2 trees * (2 * max depth - 1) * block size - */ -#define XFS_CALC_ATTRINVAL_LOG_RES(mp) \ - (MAX( \ - ((mp)->m_sb.sb_inodesize + \ - XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)) + \ - (128 * (1 + XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)))), \ - ((4 * (mp)->m_sb.sb_sectsize) + \ - (4 * (mp)->m_sb.sb_sectsize) + \ - (mp)->m_sb.sb_sectsize + \ - XFS_ALLOCFREE_LOG_RES(mp, 4) + \ - (128 * (9 + XFS_ALLOCFREE_LOG_COUNT(mp, 4)))))) - #define XFS_ATTRINVAL_LOG_RES(mp) ((mp)->m_reservations.tr_attrinval) - -/* - * Setting an attribute. - * the inode getting the attribute - * the superblock for allocations - * the agfs extents are allocated from - * the attribute btree * max depth - * the inode allocation btree - * Since attribute transaction space is dependent on the size of the attribute, - * the calculation is done partially at mount time and partially at runtime. - */ -#define XFS_CALC_ATTRSET_LOG_RES(mp) \ - ((mp)->m_sb.sb_inodesize + \ - (mp)->m_sb.sb_sectsize + \ - XFS_FSB_TO_B((mp), XFS_DA_NODE_MAXDEPTH) + \ - (128 * (2 + XFS_DA_NODE_MAXDEPTH))) - #define XFS_ATTRSET_LOG_RES(mp, ext) \ ((mp)->m_reservations.tr_attrset + \ (ext * (mp)->m_sb.sb_sectsize) + \ (ext * XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK))) + \ (128 * (ext + (ext * XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK))))) - -/* - * Removing an attribute. - * the inode: inode size - * the attribute btree could join: max depth * block size - * the inode bmap btree could join or split: max depth * block size - * And the bmap_finish transaction can free the attr blocks freed giving: - * the agf for the ag in which the blocks live: 2 * sector size - * the agfl for the ag in which the blocks live: 2 * sector size - * the superblock for the free block count: sector size - * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size - */ -#define XFS_CALC_ATTRRM_LOG_RES(mp) \ - (MAX( \ - ((mp)->m_sb.sb_inodesize + \ - XFS_FSB_TO_B((mp), XFS_DA_NODE_MAXDEPTH) + \ - XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)) + \ - (128 * (1 + XFS_DA_NODE_MAXDEPTH + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)))), \ - ((2 * (mp)->m_sb.sb_sectsize) + \ - (2 * (mp)->m_sb.sb_sectsize) + \ - (mp)->m_sb.sb_sectsize + \ - XFS_ALLOCFREE_LOG_RES(mp, 2) + \ - (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))))) - #define XFS_ATTRRM_LOG_RES(mp) ((mp)->m_reservations.tr_attrrm) - -/* - * Clearing a bad agino number in an agi hash bucket. - */ -#define XFS_CALC_CLEAR_AGI_BUCKET_LOG_RES(mp) \ - ((mp)->m_sb.sb_sectsize + 128) - #define XFS_CLEAR_AGI_BUCKET_LOG_RES(mp) ((mp)->m_reservations.tr_clearagi) diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index 9d376be0ea38..a06bd62504fc 100644 --- a/fs/xfs/xfs_vnodeops.c +++ b/fs/xfs/xfs_vnodeops.c @@ -267,7 +267,7 @@ xfs_setattr( if (code) { ASSERT(tp == NULL); lock_flags &= ~XFS_ILOCK_EXCL; - ASSERT(lock_flags == XFS_IOLOCK_EXCL); + ASSERT(lock_flags == XFS_IOLOCK_EXCL || !need_iolock); goto error_return; } tp = xfs_trans_alloc(mp, XFS_TRANS_SETATTR_SIZE); diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 7bf83ddf82e0..baacd98e7cc6 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -373,7 +373,7 @@ struct acpi_pci_root { struct acpi_pci_id id; struct pci_bus *bus; u16 segment; - u8 bus_nr; + struct resource secondary; /* downstream bus range */ u32 osc_support_set; /* _OSC state of support bits */ u32 osc_control_set; /* _OSC state of control bits */ diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h index 4f7b44866b76..23d78b4d088b 100644 --- a/include/acpi/acpi_drivers.h +++ b/include/acpi/acpi_drivers.h @@ -104,8 +104,7 @@ int acpi_pci_bind_root(struct acpi_device *device); /* Arch-defined function to add a bus to the system */ -struct pci_bus *pci_acpi_scan_root(struct acpi_device *device, int domain, - int bus); +struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root); void pci_acpi_crs_quirks(void); /* -------------------------------------------------------------------------- diff --git a/include/acpi/acpi_hest.h b/include/acpi/acpi_hest.h deleted file mode 100644 index 63194d03cb2d..000000000000 --- a/include/acpi/acpi_hest.h +++ /dev/null @@ -1,12 +0,0 @@ -#ifndef __ACPI_HEST_H -#define __ACPI_HEST_H - -#include <linux/pci.h> - -#ifdef CONFIG_ACPI -extern int acpi_hest_firmware_first_pci(struct pci_dev *pci); -#else -static inline int acpi_hest_firmware_first_pci(struct pci_dev *pci) { return 0; } -#endif - -#endif diff --git a/include/acpi/apei.h b/include/acpi/apei.h new file mode 100644 index 000000000000..b3365025ff8d --- /dev/null +++ b/include/acpi/apei.h @@ -0,0 +1,34 @@ +/* + * apei.h - ACPI Platform Error Interface + */ + +#ifndef ACPI_APEI_H +#define ACPI_APEI_H + +#include <linux/acpi.h> +#include <linux/cper.h> +#include <asm/ioctls.h> + +#define APEI_ERST_INVALID_RECORD_ID 0xffffffffffffffffULL + +#define APEI_ERST_CLEAR_RECORD _IOW('E', 1, u64) +#define APEI_ERST_GET_RECORD_COUNT _IOR('E', 2, u32) + +#ifdef __KERNEL__ + +extern int hest_disable; +extern int erst_disable; + +typedef int (*apei_hest_func_t)(struct acpi_hest_header *hest_hdr, void *data); +int apei_hest_parse(apei_hest_func_t func, void *data); + +int erst_write(const struct cper_record_header *record); +ssize_t erst_get_record_count(void); +int erst_get_next_record_id(u64 *record_id); +ssize_t erst_read(u64 record_id, struct cper_record_header *record, + size_t buflen); +ssize_t erst_read_next(struct cper_record_header *record, size_t buflen); +int erst_clear(u64 record_id); + +#endif +#endif diff --git a/include/acpi/atomicio.h b/include/acpi/atomicio.h new file mode 100644 index 000000000000..8b9fb4b0b9ce --- /dev/null +++ b/include/acpi/atomicio.h @@ -0,0 +1,10 @@ +#ifndef ACPI_ATOMIC_IO_H +#define ACPI_ATOMIC_IO_H + +int acpi_pre_map_gar(struct acpi_generic_address *reg); +int acpi_post_unmap_gar(struct acpi_generic_address *reg); + +int acpi_atomic_read(u64 *val, struct acpi_generic_address *reg); +int acpi_atomic_write(u64 val, struct acpi_generic_address *reg); + +#endif diff --git a/include/acpi/hed.h b/include/acpi/hed.h new file mode 100644 index 000000000000..46e1249b70cc --- /dev/null +++ b/include/acpi/hed.h @@ -0,0 +1,18 @@ +/* + * hed.h - ACPI Hardware Error Device + * + * Copyright (C) 2009, Intel Corp. + * Author: Huang Ying <ying.huang@intel.com> + * + * This file is released under the GPLv2. + */ + +#ifndef ACPI_HED_H +#define ACPI_HED_H + +#include <linux/notifier.h> + +int register_acpi_hed_notifier(struct notifier_block *nb); +void unregister_acpi_hed_notifier(struct notifier_block *nb); + +#endif diff --git a/include/acpi/processor.h b/include/acpi/processor.h index 86825ddbe14e..da565a48240e 100644 --- a/include/acpi/processor.h +++ b/include/acpi/processor.h @@ -52,17 +52,6 @@ struct acpi_power_register { u64 address; } __attribute__ ((packed)); -struct acpi_processor_cx_policy { - u32 count; - struct acpi_processor_cx *state; - struct { - u32 time; - u32 ticks; - u32 count; - u32 bm; - } threshold; -}; - struct acpi_processor_cx { u8 valid; u8 type; @@ -74,8 +63,6 @@ struct acpi_processor_cx { u32 power; u32 usage; u64 time; - struct acpi_processor_cx_policy promotion; - struct acpi_processor_cx_policy demotion; char desc[ACPI_CX_DESC_LEN]; }; diff --git a/include/acpi/video.h b/include/acpi/video.h index cf7be3dd157b..551793c9b6e8 100644 --- a/include/acpi/video.h +++ b/include/acpi/video.h @@ -1,12 +1,28 @@ #ifndef __ACPI_VIDEO_H #define __ACPI_VIDEO_H +#define ACPI_VIDEO_DISPLAY_CRT 1 +#define ACPI_VIDEO_DISPLAY_TV 2 +#define ACPI_VIDEO_DISPLAY_DVI 3 +#define ACPI_VIDEO_DISPLAY_LCD 4 + +#define ACPI_VIDEO_DISPLAY_LEGACY_MONITOR 0x0100 +#define ACPI_VIDEO_DISPLAY_LEGACY_PANEL 0x0110 +#define ACPI_VIDEO_DISPLAY_LEGACY_TV 0x0200 + #if (defined CONFIG_ACPI_VIDEO || defined CONFIG_ACPI_VIDEO_MODULE) extern int acpi_video_register(void); extern void acpi_video_unregister(void); +extern int acpi_video_get_edid(struct acpi_device *device, int type, + int device_id, void **edid); #else static inline int acpi_video_register(void) { return 0; } static inline void acpi_video_unregister(void) { return; } +static inline int acpi_video_get_edid(struct acpi_device *device, int type, + int device_id, void **edid) +{ + return -ENODEV; +} #endif #endif diff --git a/include/asm-generic/atomic.h b/include/asm-generic/atomic.h index 058129e9b04c..e53347fbf1da 100644 --- a/include/asm-generic/atomic.h +++ b/include/asm-generic/atomic.h @@ -57,11 +57,11 @@ static inline int atomic_add_return(int i, atomic_t *v) unsigned long flags; int temp; - local_irq_save(flags); + raw_local_irq_save(flags); /* Don't trace it in a irqsoff handler */ temp = v->counter; temp += i; v->counter = temp; - local_irq_restore(flags); + raw_local_irq_restore(flags); return temp; } @@ -78,11 +78,11 @@ static inline int atomic_sub_return(int i, atomic_t *v) unsigned long flags; int temp; - local_irq_save(flags); + raw_local_irq_save(flags); /* Don't trace it in a irqsoff handler */ temp = v->counter; temp -= i; v->counter = temp; - local_irq_restore(flags); + raw_local_irq_restore(flags); return temp; } @@ -135,9 +135,9 @@ static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr) unsigned long flags; mask = ~mask; - local_irq_save(flags); + raw_local_irq_save(flags); /* Don't trace it in a irqsoff handler */ *addr &= mask; - local_irq_restore(flags); + raw_local_irq_restore(flags); } #define atomic_xchg(ptr, v) (xchg(&(ptr)->counter, (v))) diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 2c60f1f70b38..224a38c960d4 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -254,7 +254,6 @@ int acpi_resources_are_enforced(void); void __init acpi_no_s4_hw_signature(void); void __init acpi_old_suspend_ordering(void); void __init acpi_s4_no_nvs(void); -void __init acpi_set_sci_en_on_resume(void); #endif /* CONFIG_PM_SLEEP */ struct acpi_osc_context { diff --git a/include/linux/amba/pl330.h b/include/linux/amba/pl330.h new file mode 100644 index 000000000000..cbee7de7dd36 --- /dev/null +++ b/include/linux/amba/pl330.h @@ -0,0 +1,45 @@ +/* linux/include/linux/amba/pl330.h + * + * Copyright (C) 2010 Samsung Electronics Co. Ltd. + * Jaswinder Singh <jassi.brar@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef __AMBA_PL330_H_ +#define __AMBA_PL330_H_ + +#include <asm/hardware/pl330.h> + +struct dma_pl330_peri { + /* + * Peri_Req i/f of the DMAC that is + * peripheral could be reached from. + */ + u8 peri_id; /* {0, 31} */ + enum pl330_reqtype rqtype; + + /* For M->D and D->M Channels */ + int burst_sz; /* in power of 2 */ + dma_addr_t fifo_addr; +}; + +struct dma_pl330_platdata { + /* + * Number of valid peripherals connected to DMAC. + * This may be different from the value read from + * CR0, as the PL330 implementation might have 'holes' + * in the peri list or the peri could also be reached + * from another DMAC which the platform prefers. + */ + u8 nr_valid_peri; + /* Array of valid peripherals */ + struct dma_pl330_peri *peri; + /* Bytes to allocate for MC buffer */ + unsigned mcbuf_sz; +}; + +#endif /* __AMBA_PL330_H_ */ diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h index 6fb2720882fc..daf8c480c786 100644 --- a/include/linux/bitmap.h +++ b/include/linux/bitmap.h @@ -141,7 +141,6 @@ extern int bitmap_find_free_region(unsigned long *bitmap, int bits, int order); extern void bitmap_release_region(unsigned long *bitmap, int pos, int order); extern int bitmap_allocate_region(unsigned long *bitmap, int pos, int order); extern void bitmap_copy_le(void *dst, const unsigned long *src, int nbits); -extern int bitmap_ord_to_pos(const unsigned long *bitmap, int n, int bits); #define BITMAP_LAST_WORD_MASK(nbits) \ ( \ diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index 16ed0284d780..1b9ba193b789 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -203,6 +203,9 @@ int block_write_full_page_endio(struct page *page, get_block_t *get_block, int block_read_full_page(struct page*, get_block_t*); int block_is_partially_uptodate(struct page *page, read_descriptor_t *desc, unsigned long from); +int block_write_begin_newtrunc(struct file *, struct address_space *, + loff_t, unsigned, unsigned, + struct page **, void **, get_block_t*); int block_write_begin(struct file *, struct address_space *, loff_t, unsigned, unsigned, struct page **, void **, get_block_t*); @@ -214,6 +217,9 @@ int generic_write_end(struct file *, struct address_space *, struct page *, void *); void page_zero_new_buffers(struct page *page, unsigned from, unsigned to); int block_prepare_write(struct page*, unsigned, unsigned, get_block_t*); +int cont_write_begin_newtrunc(struct file *, struct address_space *, loff_t, + unsigned, unsigned, struct page **, void **, + get_block_t *, loff_t *); int cont_write_begin(struct file *, struct address_space *, loff_t, unsigned, unsigned, struct page **, void **, get_block_t *, loff_t *); @@ -224,7 +230,10 @@ int block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf, void block_sync_page(struct page *); sector_t generic_block_bmap(struct address_space *, sector_t, get_block_t *); int block_truncate_page(struct address_space *, loff_t, get_block_t *); -int file_fsync(struct file *, struct dentry *, int); +int file_fsync(struct file *, int); +int nobh_write_begin_newtrunc(struct file *, struct address_space *, + loff_t, unsigned, unsigned, + struct page **, void **, get_block_t*); int nobh_write_begin(struct file *, struct address_space *, loff_t, unsigned, unsigned, struct page **, void **, get_block_t*); diff --git a/include/linux/completion.h b/include/linux/completion.h index 4a6b604ef7e4..51e3145196f6 100644 --- a/include/linux/completion.h +++ b/include/linux/completion.h @@ -83,6 +83,8 @@ extern unsigned long wait_for_completion_timeout(struct completion *x, unsigned long timeout); extern unsigned long wait_for_completion_interruptible_timeout( struct completion *x, unsigned long timeout); +extern unsigned long wait_for_completion_killable_timeout( + struct completion *x, unsigned long timeout); extern bool try_wait_for_completion(struct completion *x); extern bool completion_done(struct completion *x); diff --git a/include/linux/cper.h b/include/linux/cper.h new file mode 100644 index 000000000000..4b38f905b705 --- /dev/null +++ b/include/linux/cper.h @@ -0,0 +1,314 @@ +/* + * UEFI Common Platform Error Record + * + * Copyright (C) 2010, Intel Corp. + * Author: Huang Ying <ying.huang@intel.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef LINUX_CPER_H +#define LINUX_CPER_H + +#include <linux/uuid.h> + +/* CPER record signature and the size */ +#define CPER_SIG_RECORD "CPER" +#define CPER_SIG_SIZE 4 +/* Used in signature_end field in struct cper_record_header */ +#define CPER_SIG_END 0xffffffff + +/* + * CPER record header revision, used in revision field in struct + * cper_record_header + */ +#define CPER_RECORD_REV 0x0100 + +/* + * Severity difinition for error_severity in struct cper_record_header + * and section_severity in struct cper_section_descriptor + */ +#define CPER_SER_RECOVERABLE 0x0 +#define CPER_SER_FATAL 0x1 +#define CPER_SER_CORRECTED 0x2 +#define CPER_SER_INFORMATIONAL 0x3 + +/* + * Validation bits difinition for validation_bits in struct + * cper_record_header. If set, corresponding fields in struct + * cper_record_header contain valid information. + * + * corresponds platform_id + */ +#define CPER_VALID_PLATFORM_ID 0x0001 +/* corresponds timestamp */ +#define CPER_VALID_TIMESTAMP 0x0002 +/* corresponds partition_id */ +#define CPER_VALID_PARTITION_ID 0x0004 + +/* + * Notification type used to generate error record, used in + * notification_type in struct cper_record_header + * + * Corrected Machine Check + */ +#define CPER_NOTIFY_CMC \ + UUID_LE(0x2DCE8BB1, 0xBDD7, 0x450e, 0xB9, 0xAD, 0x9C, 0xF4, \ + 0xEB, 0xD4, 0xF8, 0x90) +/* Corrected Platform Error */ +#define CPER_NOTIFY_CPE \ + UUID_LE(0x4E292F96, 0xD843, 0x4a55, 0xA8, 0xC2, 0xD4, 0x81, \ + 0xF2, 0x7E, 0xBE, 0xEE) +/* Machine Check Exception */ +#define CPER_NOTIFY_MCE \ + UUID_LE(0xE8F56FFE, 0x919C, 0x4cc5, 0xBA, 0x88, 0x65, 0xAB, \ + 0xE1, 0x49, 0x13, 0xBB) +/* PCI Express Error */ +#define CPER_NOTIFY_PCIE \ + UUID_LE(0xCF93C01F, 0x1A16, 0x4dfc, 0xB8, 0xBC, 0x9C, 0x4D, \ + 0xAF, 0x67, 0xC1, 0x04) +/* INIT Record (for IPF) */ +#define CPER_NOTIFY_INIT \ + UUID_LE(0xCC5263E8, 0x9308, 0x454a, 0x89, 0xD0, 0x34, 0x0B, \ + 0xD3, 0x9B, 0xC9, 0x8E) +/* Non-Maskable Interrupt */ +#define CPER_NOTIFY_NMI \ + UUID_LE(0x5BAD89FF, 0xB7E6, 0x42c9, 0x81, 0x4A, 0xCF, 0x24, \ + 0x85, 0xD6, 0xE9, 0x8A) +/* BOOT Error Record */ +#define CPER_NOTIFY_BOOT \ + UUID_LE(0x3D61A466, 0xAB40, 0x409a, 0xA6, 0x98, 0xF3, 0x62, \ + 0xD4, 0x64, 0xB3, 0x8F) +/* DMA Remapping Error */ +#define CPER_NOTIFY_DMAR \ + UUID_LE(0x667DD791, 0xC6B3, 0x4c27, 0x8A, 0x6B, 0x0F, 0x8E, \ + 0x72, 0x2D, 0xEB, 0x41) + +/* + * Flags bits definitions for flags in struct cper_record_header + * If set, the error has been recovered + */ +#define CPER_HW_ERROR_FLAGS_RECOVERED 0x1 +/* If set, the error is for previous boot */ +#define CPER_HW_ERROR_FLAGS_PREVERR 0x2 +/* If set, the error is injected for testing */ +#define CPER_HW_ERROR_FLAGS_SIMULATED 0x4 + +/* + * CPER section header revision, used in revision field in struct + * cper_section_descriptor + */ +#define CPER_SEC_REV 0x0100 + +/* + * Validation bits difinition for validation_bits in struct + * cper_section_descriptor. If set, corresponding fields in struct + * cper_section_descriptor contain valid information. + * + * corresponds fru_id + */ +#define CPER_SEC_VALID_FRU_ID 0x1 +/* corresponds fru_text */ +#define CPER_SEC_VALID_FRU_TEXT 0x2 + +/* + * Flags bits definitions for flags in struct cper_section_descriptor + * + * If set, the section is associated with the error condition + * directly, and should be focused on + */ +#define CPER_SEC_PRIMARY 0x0001 +/* + * If set, the error was not contained within the processor or memory + * hierarchy and the error may have propagated to persistent storage + * or network + */ +#define CPER_SEC_CONTAINMENT_WARNING 0x0002 +/* If set, the component must be re-initialized or re-enabled prior to use */ +#define CPER_SEC_RESET 0x0004 +/* If set, Linux may choose to discontinue use of the resource */ +#define CPER_SEC_ERROR_THRESHOLD_EXCEEDED 0x0008 +/* + * If set, resource could not be queried for error information due to + * conflicts with other system software or resources. Some fields of + * the section will be invalid + */ +#define CPER_SEC_RESOURCE_NOT_ACCESSIBLE 0x0010 +/* + * If set, action has been taken to ensure error containment (such as + * poisoning data), but the error has not been fully corrected and the + * data has not been consumed. Linux may choose to take further + * corrective action before the data is consumed + */ +#define CPER_SEC_LATENT_ERROR 0x0020 + +/* + * Section type definitions, used in section_type field in struct + * cper_section_descriptor + * + * Processor Generic + */ +#define CPER_SEC_PROC_GENERIC \ + UUID_LE(0x9876CCAD, 0x47B4, 0x4bdb, 0xB6, 0x5E, 0x16, 0xF1, \ + 0x93, 0xC4, 0xF3, 0xDB) +/* Processor Specific: X86/X86_64 */ +#define CPER_SEC_PROC_IA \ + UUID_LE(0xDC3EA0B0, 0xA144, 0x4797, 0xB9, 0x5B, 0x53, 0xFA, \ + 0x24, 0x2B, 0x6E, 0x1D) +/* Processor Specific: IA64 */ +#define CPER_SEC_PROC_IPF \ + UUID_LE(0xE429FAF1, 0x3CB7, 0x11D4, 0x0B, 0xCA, 0x07, 0x00, \ + 0x80, 0xC7, 0x3C, 0x88, 0x81) +/* Platform Memory */ +#define CPER_SEC_PLATFORM_MEM \ + UUID_LE(0xA5BC1114, 0x6F64, 0x4EDE, 0xB8, 0x63, 0x3E, 0x83, \ + 0xED, 0x7C, 0x83, 0xB1) +#define CPER_SEC_PCIE \ + UUID_LE(0xD995E954, 0xBBC1, 0x430F, 0xAD, 0x91, 0xB4, 0x4D, \ + 0xCB, 0x3C, 0x6F, 0x35) +/* Firmware Error Record Reference */ +#define CPER_SEC_FW_ERR_REC_REF \ + UUID_LE(0x81212A96, 0x09ED, 0x4996, 0x94, 0x71, 0x8D, 0x72, \ + 0x9C, 0x8E, 0x69, 0xED) +/* PCI/PCI-X Bus */ +#define CPER_SEC_PCI_X_BUS \ + UUID_LE(0xC5753963, 0x3B84, 0x4095, 0xBF, 0x78, 0xED, 0xDA, \ + 0xD3, 0xF9, 0xC9, 0xDD) +/* PCI Component/Device */ +#define CPER_SEC_PCI_DEV \ + UUID_LE(0xEB5E4685, 0xCA66, 0x4769, 0xB6, 0xA2, 0x26, 0x06, \ + 0x8B, 0x00, 0x13, 0x26) +#define CPER_SEC_DMAR_GENERIC \ + UUID_LE(0x5B51FEF7, 0xC79D, 0x4434, 0x8F, 0x1B, 0xAA, 0x62, \ + 0xDE, 0x3E, 0x2C, 0x64) +/* Intel VT for Directed I/O specific DMAr */ +#define CPER_SEC_DMAR_VT \ + UUID_LE(0x71761D37, 0x32B2, 0x45cd, 0xA7, 0xD0, 0xB0, 0xFE, \ + 0xDD, 0x93, 0xE8, 0xCF) +/* IOMMU specific DMAr */ +#define CPER_SEC_DMAR_IOMMU \ + UUID_LE(0x036F84E1, 0x7F37, 0x428c, 0xA7, 0x9E, 0x57, 0x5F, \ + 0xDF, 0xAA, 0x84, 0xEC) + +/* + * All tables and structs must be byte-packed to match CPER + * specification, since the tables are provided by the system BIOS + */ +#pragma pack(1) + +struct cper_record_header { + char signature[CPER_SIG_SIZE]; /* must be CPER_SIG_RECORD */ + __u16 revision; /* must be CPER_RECORD_REV */ + __u32 signature_end; /* must be CPER_SIG_END */ + __u16 section_count; + __u32 error_severity; + __u32 validation_bits; + __u32 record_length; + __u64 timestamp; + uuid_le platform_id; + uuid_le partition_id; + uuid_le creator_id; + uuid_le notification_type; + __u64 record_id; + __u32 flags; + __u64 persistence_information; + __u8 reserved[12]; /* must be zero */ +}; + +struct cper_section_descriptor { + __u32 section_offset; /* Offset in bytes of the + * section body from the base + * of the record header */ + __u32 section_length; + __u16 revision; /* must be CPER_RECORD_REV */ + __u8 validation_bits; + __u8 reserved; /* must be zero */ + __u32 flags; + uuid_le section_type; + uuid_le fru_id; + __u32 section_severity; + __u8 fru_text[20]; +}; + +/* Generic Processor Error Section */ +struct cper_sec_proc_generic { + __u64 validation_bits; + __u8 proc_type; + __u8 proc_isa; + __u8 proc_error_type; + __u8 operation; + __u8 flags; + __u8 level; + __u16 reserved; + __u64 cpu_version; + char cpu_brand[128]; + __u64 proc_id; + __u64 target_addr; + __u64 requestor_id; + __u64 responder_id; + __u64 ip; +}; + +/* IA32/X64 Processor Error Section */ +struct cper_sec_proc_ia { + __u64 validation_bits; + __u8 lapic_id; + __u8 cpuid[48]; +}; + +/* IA32/X64 Processor Error Infomation Structure */ +struct cper_ia_err_info { + uuid_le err_type; + __u64 validation_bits; + __u64 check_info; + __u64 target_id; + __u64 requestor_id; + __u64 responder_id; + __u64 ip; +}; + +/* IA32/X64 Processor Context Information Structure */ +struct cper_ia_proc_ctx { + __u16 reg_ctx_type; + __u16 reg_arr_size; + __u32 msr_addr; + __u64 mm_reg_addr; +}; + +/* Memory Error Section */ +struct cper_sec_mem_err { + __u64 validation_bits; + __u64 error_status; + __u64 physical_addr; + __u64 physical_addr_mask; + __u16 node; + __u16 card; + __u16 module; + __u16 bank; + __u16 device; + __u16 row; + __u16 column; + __u16 bit_pos; + __u64 requestor_id; + __u64 responder_id; + __u64 target_id; + __u8 error_type; +}; + +/* Reset to default packing */ +#pragma pack() + +u64 cper_next_record_id(void); + +#endif diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h index dcf77fa826b5..55215cce5005 100644 --- a/include/linux/cpuidle.h +++ b/include/linux/cpuidle.h @@ -125,6 +125,7 @@ struct cpuidle_driver { #ifdef CONFIG_CPU_IDLE extern int cpuidle_register_driver(struct cpuidle_driver *drv); +struct cpuidle_driver *cpuidle_get_driver(void); extern void cpuidle_unregister_driver(struct cpuidle_driver *drv); extern int cpuidle_register_device(struct cpuidle_device *dev); extern void cpuidle_unregister_device(struct cpuidle_device *dev); @@ -137,16 +138,17 @@ extern void cpuidle_disable_device(struct cpuidle_device *dev); #else static inline int cpuidle_register_driver(struct cpuidle_driver *drv) -{return 0;} +{return -ENODEV; } +static inline struct cpuidle_driver *cpuidle_get_driver(void) {return NULL; } static inline void cpuidle_unregister_driver(struct cpuidle_driver *drv) { } static inline int cpuidle_register_device(struct cpuidle_device *dev) -{return 0;} +{return -ENODEV; } static inline void cpuidle_unregister_device(struct cpuidle_device *dev) { } static inline void cpuidle_pause_and_lock(void) { } static inline void cpuidle_resume_and_unlock(void) { } static inline int cpuidle_enable_device(struct cpuidle_device *dev) -{return 0;} +{return -ENODEV; } static inline void cpuidle_disable_device(struct cpuidle_device *dev) { } #endif diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h index fc1b930f246c..e7d9b20ddc5b 100644 --- a/include/linux/debugfs.h +++ b/include/linux/debugfs.h @@ -63,6 +63,8 @@ struct dentry *debugfs_create_x16(const char *name, mode_t mode, struct dentry *parent, u16 *value); struct dentry *debugfs_create_x32(const char *name, mode_t mode, struct dentry *parent, u32 *value); +struct dentry *debugfs_create_x64(const char *name, mode_t mode, + struct dentry *parent, u64 *value); struct dentry *debugfs_create_size_t(const char *name, mode_t mode, struct dentry *parent, size_t *value); struct dentry *debugfs_create_bool(const char *name, mode_t mode, diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h index 5f494b465097..7fc62d4550b2 100644 --- a/include/linux/ext3_fs.h +++ b/include/linux/ext3_fs.h @@ -868,7 +868,7 @@ extern int ext3_htree_store_dirent(struct file *dir_file, __u32 hash, extern void ext3_htree_free_dir_info(struct dir_private_info *p); /* fsync.c */ -extern int ext3_sync_file (struct file *, struct dentry *, int); +extern int ext3_sync_file(struct file *, int); /* hash.c */ extern int ext3fs_dirhash(const char *name, int len, struct diff --git a/include/linux/fb.h b/include/linux/fb.h index f3793ebc241c..907ace3a64c8 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -4,8 +4,6 @@ #include <linux/types.h> #include <linux/i2c.h> -struct dentry; - /* Definitions of frame buffers */ #define FB_MAX 32 /* sufficient for now */ @@ -1017,8 +1015,7 @@ extern void fb_deferred_io_open(struct fb_info *info, struct inode *inode, struct file *file); extern void fb_deferred_io_cleanup(struct fb_info *info); -extern int fb_deferred_io_fsync(struct file *file, struct dentry *dentry, - int datasync); +extern int fb_deferred_io_fsync(struct file *file, int datasync); static inline bool fb_be_math(struct fb_info *info) { diff --git a/include/linux/file.h b/include/linux/file.h index 5555508fd517..b1e12970f617 100644 --- a/include/linux/file.h +++ b/include/linux/file.h @@ -11,7 +11,6 @@ struct file; -extern void __fput(struct file *); extern void fput(struct file *); extern void drop_file_write_access(struct file *file); diff --git a/include/linux/fs.h b/include/linux/fs.h index 85e823adcd4a..3428393942a6 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -954,6 +954,7 @@ extern spinlock_t files_lock; #define file_list_unlock() spin_unlock(&files_lock); #define get_file(x) atomic_long_inc(&(x)->f_count) +#define fput_atomic(x) atomic_long_add_unless(&(x)->f_count, -1, 1) #define file_count(x) atomic_long_read(&(x)->f_count) #ifdef CONFIG_DEBUG_WRITECOUNT @@ -1497,7 +1498,7 @@ struct file_operations { int (*open) (struct inode *, struct file *); int (*flush) (struct file *, fl_owner_t id); int (*release) (struct inode *, struct file *); - int (*fsync) (struct file *, struct dentry *, int datasync); + int (*fsync) (struct file *, int datasync); int (*aio_fsync) (struct kiocb *, int datasync); int (*fasync) (int, struct file *, int); int (*lock) (struct file *, int, struct file_lock *); @@ -2212,7 +2213,7 @@ extern int generic_segment_checks(const struct iovec *iov, /* fs/block_dev.c */ extern ssize_t blkdev_aio_write(struct kiocb *iocb, const struct iovec *iov, unsigned long nr_segs, loff_t pos); -extern int blkdev_fsync(struct file *filp, struct dentry *dentry, int datasync); +extern int blkdev_fsync(struct file *filp, int datasync); /* fs/splice.c */ extern ssize_t generic_file_splice_read(struct file *, loff_t *, @@ -2256,6 +2257,10 @@ typedef void (dio_submit_t)(int rw, struct bio *bio, struct inode *inode, loff_t file_offset); void dio_end_io(struct bio *bio, int error); +ssize_t __blockdev_direct_IO_newtrunc(int rw, struct kiocb *iocb, struct inode *inode, + struct block_device *bdev, const struct iovec *iov, loff_t offset, + unsigned long nr_segs, get_block_t get_block, dio_iodone_t end_io, + dio_submit_t submit_io, int lock_type); ssize_t __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode, struct block_device *bdev, const struct iovec *iov, loff_t offset, unsigned long nr_segs, get_block_t get_block, dio_iodone_t end_io, @@ -2269,6 +2274,24 @@ enum { DIO_SKIP_HOLES = 0x02, }; +static inline ssize_t blockdev_direct_IO_newtrunc(int rw, struct kiocb *iocb, + struct inode *inode, struct block_device *bdev, const struct iovec *iov, + loff_t offset, unsigned long nr_segs, get_block_t get_block, + dio_iodone_t end_io) +{ + return __blockdev_direct_IO_newtrunc(rw, iocb, inode, bdev, iov, offset, + nr_segs, get_block, end_io, NULL, + DIO_LOCKING | DIO_SKIP_HOLES); +} + +static inline ssize_t blockdev_direct_IO_no_locking_newtrunc(int rw, struct kiocb *iocb, + struct inode *inode, struct block_device *bdev, const struct iovec *iov, + loff_t offset, unsigned long nr_segs, get_block_t get_block, + dio_iodone_t end_io) +{ + return __blockdev_direct_IO_newtrunc(rw, iocb, inode, bdev, iov, offset, + nr_segs, get_block, end_io, NULL, 0); +} static inline ssize_t blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode, struct block_device *bdev, const struct iovec *iov, loff_t offset, unsigned long nr_segs, get_block_t get_block, @@ -2341,13 +2364,15 @@ extern int dcache_dir_open(struct inode *, struct file *); extern int dcache_dir_close(struct inode *, struct file *); extern loff_t dcache_dir_lseek(struct file *, loff_t, int); extern int dcache_readdir(struct file *, void *, filldir_t); +extern int simple_setattr(struct dentry *, struct iattr *); extern int simple_getattr(struct vfsmount *, struct dentry *, struct kstat *); extern int simple_statfs(struct dentry *, struct kstatfs *); extern int simple_link(struct dentry *, struct inode *, struct dentry *); extern int simple_unlink(struct inode *, struct dentry *); extern int simple_rmdir(struct inode *, struct dentry *); extern int simple_rename(struct inode *, struct dentry *, struct inode *, struct dentry *); -extern int simple_sync_file(struct file *, struct dentry *, int); +extern int simple_setsize(struct inode *, loff_t); +extern int noop_fsync(struct file *, int); extern int simple_empty(struct dentry *); extern int simple_readpage(struct file *file, struct page *page); extern int simple_write_begin(struct file *file, struct address_space *mapping, @@ -2372,7 +2397,7 @@ extern ssize_t simple_read_from_buffer(void __user *to, size_t count, extern ssize_t simple_write_to_buffer(void *to, size_t available, loff_t *ppos, const void __user *from, size_t count); -extern int simple_fsync(struct file *, struct dentry *, int); +extern int generic_file_fsync(struct file *, int); #ifdef CONFIG_MIGRATION extern int buffer_migrate_page(struct address_space *, @@ -2383,7 +2408,8 @@ extern int buffer_migrate_page(struct address_space *, extern int inode_change_ok(const struct inode *, struct iattr *); extern int inode_newsize_ok(const struct inode *, loff_t offset); -extern int __must_check inode_setattr(struct inode *, struct iattr *); +extern int __must_check inode_setattr(struct inode *, const struct iattr *); +extern void generic_setattr(struct inode *inode, const struct iattr *attr); extern void file_update_time(struct file *file); diff --git a/include/linux/fuse.h b/include/linux/fuse.h index 3e2925a34bf0..88e0eb596919 100644 --- a/include/linux/fuse.h +++ b/include/linux/fuse.h @@ -34,6 +34,9 @@ * 7.13 * - make max number of background requests and congestion threshold * tunables + * + * 7.14 + * - add splice support to fuse device */ #ifndef _LINUX_FUSE_H @@ -65,7 +68,7 @@ #define FUSE_KERNEL_VERSION 7 /** Minor version number of this interface */ -#define FUSE_KERNEL_MINOR_VERSION 13 +#define FUSE_KERNEL_MINOR_VERSION 14 /** The node ID of the root inode */ #define FUSE_ROOT_ID 1 diff --git a/include/linux/input/tps6507x-ts.h b/include/linux/input/tps6507x-ts.h new file mode 100644 index 000000000000..ab1440313924 --- /dev/null +++ b/include/linux/input/tps6507x-ts.h @@ -0,0 +1,24 @@ +/* linux/i2c/tps6507x-ts.h + * + * Functions to access TPS65070 touch screen chip. + * + * Copyright (c) 2009 RidgeRun (todd.fischer@ridgerun.com) + * + * + * For licencing details see kernel-base/COPYING + */ + +#ifndef __LINUX_I2C_TPS6507X_TS_H +#define __LINUX_I2C_TPS6507X_TS_H + +/* Board specific touch screen initial values */ +struct touchscreen_init_data { + int poll_period; /* ms */ + int vref; /* non-zero to leave vref on */ + __u16 min_pressure; /* min reading to be treated as a touch */ + __u16 vendor; + __u16 product; + __u16 version; +}; + +#endif /* __LINUX_I2C_TPS6507X_TS_H */ diff --git a/include/linux/libata.h b/include/linux/libata.h index ee84e7e12039..3bad2701bfa6 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -386,6 +386,7 @@ enum { ATA_HORKAGE_1_5_GBPS = (1 << 13), /* force 1.5 Gbps */ ATA_HORKAGE_NOSETXFER = (1 << 14), /* skip SETXFER, SATA only */ ATA_HORKAGE_BROKEN_FPDMA_AA = (1 << 15), /* skip AA */ + ATA_HORKAGE_DUMP_ID = (1 << 16), /* dump IDENTIFY data */ /* DMA mask for user DMA control: User visible values; DO NOT renumber */ @@ -513,7 +514,9 @@ struct ata_ioports { void __iomem *command_addr; void __iomem *altstatus_addr; void __iomem *ctl_addr; +#ifdef CONFIG_ATA_BMDMA void __iomem *bmdma_addr; +#endif /* CONFIG_ATA_BMDMA */ void __iomem *scr_addr; }; #endif /* CONFIG_ATA_SFF */ @@ -721,8 +724,10 @@ struct ata_port { u8 ctl; /* cache of ATA control register */ u8 last_ctl; /* Cache last written value */ struct delayed_work sff_pio_task; +#ifdef CONFIG_ATA_BMDMA struct ata_bmdma_prd *bmdma_prd; /* BMDMA SG list */ dma_addr_t bmdma_prd_dma; /* and its DMA mapping */ +#endif /* CONFIG_ATA_BMDMA */ #endif /* CONFIG_ATA_SFF */ unsigned int pio_mask; @@ -856,10 +861,12 @@ struct ata_port_operations { void (*sff_irq_clear)(struct ata_port *); void (*sff_drain_fifo)(struct ata_queued_cmd *qc); +#ifdef CONFIG_ATA_BMDMA void (*bmdma_setup)(struct ata_queued_cmd *qc); void (*bmdma_start)(struct ata_queued_cmd *qc); void (*bmdma_stop)(struct ata_queued_cmd *qc); u8 (*bmdma_status)(struct ata_port *ap); +#endif /* CONFIG_ATA_BMDMA */ #endif /* CONFIG_ATA_SFF */ ssize_t (*em_show)(struct ata_port *ap, char *buf); @@ -1555,7 +1562,6 @@ extern void sata_pmp_error_handler(struct ata_port *ap); #ifdef CONFIG_ATA_SFF extern const struct ata_port_operations ata_sff_port_ops; -extern const struct ata_port_operations ata_bmdma_port_ops; extern const struct ata_port_operations ata_bmdma32_port_ops; /* PIO only, sg_tablesize and dma_boundary limits can be removed */ @@ -1564,11 +1570,6 @@ extern const struct ata_port_operations ata_bmdma32_port_ops; .sg_tablesize = LIBATA_MAX_PRD, \ .dma_boundary = ATA_DMA_BOUNDARY -#define ATA_BMDMA_SHT(drv_name) \ - ATA_BASE_SHT(drv_name), \ - .sg_tablesize = LIBATA_MAX_PRD, \ - .dma_boundary = ATA_DMA_BOUNDARY - extern void ata_sff_dev_select(struct ata_port *ap, unsigned int device); extern u8 ata_sff_check_status(struct ata_port *ap); extern void ata_sff_pause(struct ata_port *ap); @@ -1593,7 +1594,7 @@ extern int ata_sff_hsm_move(struct ata_port *ap, struct ata_queued_cmd *qc, extern void ata_sff_queue_pio_task(struct ata_port *ap, unsigned long delay); extern unsigned int ata_sff_qc_issue(struct ata_queued_cmd *qc); extern bool ata_sff_qc_fill_rtf(struct ata_queued_cmd *qc); -extern unsigned int ata_sff_host_intr(struct ata_port *ap, +extern unsigned int ata_sff_port_intr(struct ata_port *ap, struct ata_queued_cmd *qc); extern irqreturn_t ata_sff_interrupt(int irq, void *dev_instance); extern void ata_sff_lost_interrupt(struct ata_port *ap); @@ -1625,11 +1626,24 @@ extern int ata_pci_sff_init_one(struct pci_dev *pdev, struct scsi_host_template *sht, void *host_priv, int hflags); #endif /* CONFIG_PCI */ +#ifdef CONFIG_ATA_BMDMA + +extern const struct ata_port_operations ata_bmdma_port_ops; + +#define ATA_BMDMA_SHT(drv_name) \ + ATA_BASE_SHT(drv_name), \ + .sg_tablesize = LIBATA_MAX_PRD, \ + .dma_boundary = ATA_DMA_BOUNDARY + extern void ata_bmdma_qc_prep(struct ata_queued_cmd *qc); extern unsigned int ata_bmdma_qc_issue(struct ata_queued_cmd *qc); extern void ata_bmdma_dumb_qc_prep(struct ata_queued_cmd *qc); +extern unsigned int ata_bmdma_port_intr(struct ata_port *ap, + struct ata_queued_cmd *qc); +extern irqreturn_t ata_bmdma_interrupt(int irq, void *dev_instance); extern void ata_bmdma_error_handler(struct ata_port *ap); extern void ata_bmdma_post_internal_cmd(struct ata_queued_cmd *qc); +extern void ata_bmdma_irq_clear(struct ata_port *ap); extern void ata_bmdma_setup(struct ata_queued_cmd *qc); extern void ata_bmdma_start(struct ata_queued_cmd *qc); extern void ata_bmdma_stop(struct ata_queued_cmd *qc); @@ -1640,7 +1654,15 @@ extern int ata_bmdma_port_start32(struct ata_port *ap); #ifdef CONFIG_PCI extern int ata_pci_bmdma_clear_simplex(struct pci_dev *pdev); extern void ata_pci_bmdma_init(struct ata_host *host); +extern int ata_pci_bmdma_prepare_host(struct pci_dev *pdev, + const struct ata_port_info * const * ppi, + struct ata_host **r_host); +extern int ata_pci_bmdma_init_one(struct pci_dev *pdev, + const struct ata_port_info * const * ppi, + struct scsi_host_template *sht, + void *host_priv, int hflags); #endif /* CONFIG_PCI */ +#endif /* CONFIG_ATA_BMDMA */ /** * ata_sff_busy_wait - Wait for a port status register diff --git a/include/linux/mfd/88pm860x.h b/include/linux/mfd/88pm860x.h index e3c4ff8c3e38..bfd23bef7363 100644 --- a/include/linux/mfd/88pm860x.h +++ b/include/linux/mfd/88pm860x.h @@ -370,7 +370,7 @@ extern int pm860x_set_bits(struct i2c_client *, int, unsigned char, unsigned char); extern int pm860x_device_init(struct pm860x_chip *chip, - struct pm860x_platform_data *pdata); -extern void pm860x_device_exit(struct pm860x_chip *chip); + struct pm860x_platform_data *pdata) __devinit ; +extern void pm860x_device_exit(struct pm860x_chip *chip) __devexit ; #endif /* __LINUX_MFD_88PM860X_H */ diff --git a/include/linux/mfd/ab4500.h b/include/linux/mfd/ab4500.h deleted file mode 100644 index a42a7033ae53..000000000000 --- a/include/linux/mfd/ab4500.h +++ /dev/null @@ -1,262 +0,0 @@ -/* - * Copyright (C) 2009 ST-Ericsson - * - * Author: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2, as - * published by the Free Software Foundation. - * - * AB4500 device core funtions, for client access - */ -#ifndef MFD_AB4500_H -#define MFD_AB4500_H - -#include <linux/device.h> - -/* - * AB4500 bank addresses - */ -#define AB4500_SYS_CTRL1_BLOCK 0x1 -#define AB4500_SYS_CTRL2_BLOCK 0x2 -#define AB4500_REGU_CTRL1 0x3 -#define AB4500_REGU_CTRL2 0x4 -#define AB4500_USB 0x5 -#define AB4500_TVOUT 0x6 -#define AB4500_DBI 0x7 -#define AB4500_ECI_AV_ACC 0x8 -#define AB4500_RESERVED 0x9 -#define AB4500_GPADC 0xA -#define AB4500_CHARGER 0xB -#define AB4500_GAS_GAUGE 0xC -#define AB4500_AUDIO 0xD -#define AB4500_INTERRUPT 0xE -#define AB4500_RTC 0xF -#define AB4500_MISC 0x10 -#define AB4500_DEBUG 0x12 -#define AB4500_PROD_TEST 0x13 -#define AB4500_OTP_EMUL 0x15 - -/* - * System control 1 register offsets. - * Bank = 0x01 - */ -#define AB4500_TURNON_STAT_REG 0x0100 -#define AB4500_RESET_STAT_REG 0x0101 -#define AB4500_PONKEY1_PRESS_STAT_REG 0x0102 - -#define AB4500_FSM_STAT1_REG 0x0140 -#define AB4500_FSM_STAT2_REG 0x0141 -#define AB4500_SYSCLK_REQ_STAT_REG 0x0142 -#define AB4500_USB_STAT1_REG 0x0143 -#define AB4500_USB_STAT2_REG 0x0144 -#define AB4500_STATUS_SPARE1_REG 0x0145 -#define AB4500_STATUS_SPARE2_REG 0x0146 - -#define AB4500_CTRL1_REG 0x0180 -#define AB4500_CTRL2_REG 0x0181 - -/* - * System control 2 register offsets. - * bank = 0x02 - */ -#define AB4500_CTRL3_REG 0x0200 -#define AB4500_MAIN_WDOG_CTRL_REG 0x0201 -#define AB4500_MAIN_WDOG_TIMER_REG 0x0202 -#define AB4500_LOW_BAT_REG 0x0203 -#define AB4500_BATT_OK_REG 0x0204 -#define AB4500_SYSCLK_TIMER_REG 0x0205 -#define AB4500_SMPSCLK_CTRL_REG 0x0206 -#define AB4500_SMPSCLK_SEL1_REG 0x0207 -#define AB4500_SMPSCLK_SEL2_REG 0x0208 -#define AB4500_SMPSCLK_SEL3_REG 0x0209 -#define AB4500_SYSULPCLK_CONF_REG 0x020A -#define AB4500_SYSULPCLK_CTRL1_REG 0x020B -#define AB4500_SYSCLK_CTRL_REG 0x020C -#define AB4500_SYSCLK_REQ1_VALID_REG 0x020D -#define AB4500_SYSCLK_REQ_VALID_REG 0x020E -#define AB4500_SYSCTRL_SPARE_REG 0x020F -#define AB4500_PAD_CONF_REG 0x0210 - -/* - * Regu control1 register offsets - * Bank = 0x03 - */ -#define AB4500_REGU_SERIAL_CTRL1_REG 0x0300 -#define AB4500_REGU_SERIAL_CTRL2_REG 0x0301 -#define AB4500_REGU_SERIAL_CTRL3_REG 0x0302 -#define AB4500_REGU_REQ_CTRL1_REG 0x0303 -#define AB4500_REGU_REQ_CTRL2_REG 0x0304 -#define AB4500_REGU_REQ_CTRL3_REG 0x0305 -#define AB4500_REGU_REQ_CTRL4_REG 0x0306 -#define AB4500_REGU_MISC1_REG 0x0380 -#define AB4500_REGU_OTGSUPPLY_CTRL_REG 0x0381 -#define AB4500_REGU_VUSB_CTRL_REG 0x0382 -#define AB4500_REGU_VAUDIO_SUPPLY_REG 0x0383 -#define AB4500_REGU_CTRL1_SPARE_REG 0x0384 - -/* - * Regu control2 Vmod register offsets - */ -#define AB4500_REGU_VMOD_REGU_REG 0x0440 -#define AB4500_REGU_VMOD_SEL1_REG 0x0441 -#define AB4500_REGU_VMOD_SEL2_REG 0x0442 -#define AB4500_REGU_CTRL_DISCH_REG 0x0443 -#define AB4500_REGU_CTRL_DISCH2_REG 0x0444 - -/* - * USB/ULPI register offsets - * Bank : 0x5 - */ -#define AB4500_USB_LINE_STAT_REG 0x0580 -#define AB4500_USB_LINE_CTRL1_REG 0x0581 -#define AB4500_USB_LINE_CTRL2_REG 0x0582 -#define AB4500_USB_LINE_CTRL3_REG 0x0583 -#define AB4500_USB_LINE_CTRL4_REG 0x0584 -#define AB4500_USB_LINE_CTRL5_REG 0x0585 -#define AB4500_USB_OTG_CTRL_REG 0x0587 -#define AB4500_USB_OTG_STAT_REG 0x0588 -#define AB4500_USB_OTG_STAT_REG 0x0588 -#define AB4500_USB_CTRL_SPARE_REG 0x0589 -#define AB4500_USB_PHY_CTRL_REG 0x058A - -/* - * TVOUT / CTRL register offsets - * Bank : 0x06 - */ -#define AB4500_TVOUT_CTRL_REG 0x0680 - -/* - * DBI register offsets - * Bank : 0x07 - */ -#define AB4500_DBI_REG1_REG 0x0700 -#define AB4500_DBI_REG2_REG 0x0701 - -/* - * ECI regsiter offsets - * Bank : 0x08 - */ -#define AB4500_ECI_CTRL_REG 0x0800 -#define AB4500_ECI_HOOKLEVEL_REG 0x0801 -#define AB4500_ECI_DATAOUT_REG 0x0802 -#define AB4500_ECI_DATAIN_REG 0x0803 - -/* - * AV Connector register offsets - * Bank : 0x08 - */ -#define AB4500_AV_CONN_REG 0x0840 - -/* - * Accessory detection register offsets - * Bank : 0x08 - */ -#define AB4500_ACC_DET_DB1_REG 0x0880 -#define AB4500_ACC_DET_DB2_REG 0x0881 - -/* - * GPADC register offsets - * Bank : 0x0A - */ -#define AB4500_GPADC_CTRL1_REG 0x0A00 -#define AB4500_GPADC_CTRL2_REG 0x0A01 -#define AB4500_GPADC_CTRL3_REG 0x0A02 -#define AB4500_GPADC_AUTO_TIMER_REG 0x0A03 -#define AB4500_GPADC_STAT_REG 0x0A04 -#define AB4500_GPADC_MANDATAL_REG 0x0A05 -#define AB4500_GPADC_MANDATAH_REG 0x0A06 -#define AB4500_GPADC_AUTODATAL_REG 0x0A07 -#define AB4500_GPADC_AUTODATAH_REG 0x0A08 -#define AB4500_GPADC_MUX_CTRL_REG 0x0A09 - -/* - * Charger / status register offfsets - * Bank : 0x0B - */ -#define AB4500_CH_STATUS1_REG 0x0B00 -#define AB4500_CH_STATUS2_REG 0x0B01 -#define AB4500_CH_USBCH_STAT1_REG 0x0B02 -#define AB4500_CH_USBCH_STAT2_REG 0x0B03 -#define AB4500_CH_FSM_STAT_REG 0x0B04 -#define AB4500_CH_STAT_REG 0x0B05 - -/* - * Charger / control register offfsets - * Bank : 0x0B - */ -#define AB4500_CH_VOLT_LVL_REG 0x0B40 - -/* - * Charger / main control register offfsets - * Bank : 0x0B - */ -#define AB4500_MCH_CTRL1 0x0B80 -#define AB4500_MCH_CTRL2 0x0B81 -#define AB4500_MCH_IPT_CURLVL_REG 0x0B82 -#define AB4500_CH_WD_REG 0x0B83 - -/* - * Charger / USB control register offsets - * Bank : 0x0B - */ -#define AB4500_USBCH_CTRL1_REG 0x0BC0 -#define AB4500_USBCH_CTRL2_REG 0x0BC1 -#define AB4500_USBCH_IPT_CRNTLVL_REG 0x0BC2 - -/* - * RTC bank register offsets - * Bank : 0xF - */ -#define AB4500_RTC_SOFF_STAT_REG 0x0F00 -#define AB4500_RTC_CC_CONF_REG 0x0F01 -#define AB4500_RTC_READ_REQ_REG 0x0F02 -#define AB4500_RTC_WATCH_TSECMID_REG 0x0F03 -#define AB4500_RTC_WATCH_TSECHI_REG 0x0F04 -#define AB4500_RTC_WATCH_TMIN_LOW_REG 0x0F05 -#define AB4500_RTC_WATCH_TMIN_MID_REG 0x0F06 -#define AB4500_RTC_WATCH_TMIN_HI_REG 0x0F07 -#define AB4500_RTC_ALRM_MIN_LOW_REG 0x0F08 -#define AB4500_RTC_ALRM_MIN_MID_REG 0x0F09 -#define AB4500_RTC_ALRM_MIN_HI_REG 0x0F0A -#define AB4500_RTC_STAT_REG 0x0F0B -#define AB4500_RTC_BKUP_CHG_REG 0x0F0C -#define AB4500_RTC_FORCE_BKUP_REG 0x0F0D -#define AB4500_RTC_CALIB_REG 0x0F0E -#define AB4500_RTC_SWITCH_STAT_REG 0x0F0F - -/* - * PWM Out generators - * Bank: 0x10 - */ -#define AB4500_PWM_OUT_CTRL1_REG 0x1060 -#define AB4500_PWM_OUT_CTRL2_REG 0x1061 -#define AB4500_PWM_OUT_CTRL3_REG 0x1062 -#define AB4500_PWM_OUT_CTRL4_REG 0x1063 -#define AB4500_PWM_OUT_CTRL5_REG 0x1064 -#define AB4500_PWM_OUT_CTRL6_REG 0x1065 -#define AB4500_PWM_OUT_CTRL7_REG 0x1066 - -#define AB4500_I2C_PAD_CTRL_REG 0x1067 -#define AB4500_REV_REG 0x1080 - -/** - * struct ab4500 - * @spi: spi device structure - * @tx_buf: transmit buffer - * @rx_buf: receive buffer - * @lock: sync primitive - */ -struct ab4500 { - struct spi_device *spi; - unsigned long tx_buf[4]; - unsigned long rx_buf[4]; - struct mutex lock; -}; - -int ab4500_write(struct ab4500 *ab4500, unsigned char block, - unsigned long addr, unsigned char data); -int ab4500_read(struct ab4500 *ab4500, unsigned char block, - unsigned long addr); - -#endif /* MFD_AB4500_H */ diff --git a/include/linux/mfd/ab8500.h b/include/linux/mfd/ab8500.h new file mode 100644 index 000000000000..b63ff3ba3351 --- /dev/null +++ b/include/linux/mfd/ab8500.h @@ -0,0 +1,128 @@ +/* + * Copyright (C) ST-Ericsson SA 2010 + * + * License Terms: GNU General Public License v2 + * Author: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> + */ +#ifndef MFD_AB8500_H +#define MFD_AB8500_H + +#include <linux/device.h> + +/* + * Interrupts + */ + +#define AB8500_INT_MAIN_EXT_CH_NOT_OK 0 +#define AB8500_INT_UN_PLUG_TV_DET 1 +#define AB8500_INT_PLUG_TV_DET 2 +#define AB8500_INT_TEMP_WARM 3 +#define AB8500_INT_PON_KEY2DB_F 4 +#define AB8500_INT_PON_KEY2DB_R 5 +#define AB8500_INT_PON_KEY1DB_F 6 +#define AB8500_INT_PON_KEY1DB_R 7 +#define AB8500_INT_BATT_OVV 8 +#define AB8500_INT_MAIN_CH_UNPLUG_DET 10 +#define AB8500_INT_MAIN_CH_PLUG_DET 11 +#define AB8500_INT_USB_ID_DET_F 12 +#define AB8500_INT_USB_ID_DET_R 13 +#define AB8500_INT_VBUS_DET_F 14 +#define AB8500_INT_VBUS_DET_R 15 +#define AB8500_INT_VBUS_CH_DROP_END 16 +#define AB8500_INT_RTC_60S 17 +#define AB8500_INT_RTC_ALARM 18 +#define AB8500_INT_BAT_CTRL_INDB 20 +#define AB8500_INT_CH_WD_EXP 21 +#define AB8500_INT_VBUS_OVV 22 +#define AB8500_INT_MAIN_CH_DROP_END 23 +#define AB8500_INT_CCN_CONV_ACC 24 +#define AB8500_INT_INT_AUD 25 +#define AB8500_INT_CCEOC 26 +#define AB8500_INT_CC_INT_CALIB 27 +#define AB8500_INT_LOW_BAT_F 28 +#define AB8500_INT_LOW_BAT_R 29 +#define AB8500_INT_BUP_CHG_NOT_OK 30 +#define AB8500_INT_BUP_CHG_OK 31 +#define AB8500_INT_GP_HW_ADC_CONV_END 32 +#define AB8500_INT_ACC_DETECT_1DB_F 33 +#define AB8500_INT_ACC_DETECT_1DB_R 34 +#define AB8500_INT_ACC_DETECT_22DB_F 35 +#define AB8500_INT_ACC_DETECT_22DB_R 36 +#define AB8500_INT_ACC_DETECT_21DB_F 37 +#define AB8500_INT_ACC_DETECT_21DB_R 38 +#define AB8500_INT_GP_SW_ADC_CONV_END 39 +#define AB8500_INT_BTEMP_LOW 72 +#define AB8500_INT_BTEMP_LOW_MEDIUM 73 +#define AB8500_INT_BTEMP_MEDIUM_HIGH 74 +#define AB8500_INT_BTEMP_HIGH 75 +#define AB8500_INT_USB_CHARGER_NOT_OK 81 +#define AB8500_INT_ID_WAKEUP_R 82 +#define AB8500_INT_ID_DET_R1R 84 +#define AB8500_INT_ID_DET_R2R 85 +#define AB8500_INT_ID_DET_R3R 86 +#define AB8500_INT_ID_DET_R4R 87 +#define AB8500_INT_ID_WAKEUP_F 88 +#define AB8500_INT_ID_DET_R1F 90 +#define AB8500_INT_ID_DET_R2F 91 +#define AB8500_INT_ID_DET_R3F 92 +#define AB8500_INT_ID_DET_R4F 93 +#define AB8500_INT_USB_CHG_DET_DONE 94 +#define AB8500_INT_USB_CH_TH_PROT_F 96 +#define AB8500_INT_USB_CH_TH_PROP_R 97 +#define AB8500_INT_MAIN_CH_TH_PROP_F 98 +#define AB8500_INT_MAIN_CH_TH_PROT_R 99 +#define AB8500_INT_USB_CHARGER_NOT_OKF 103 + +#define AB8500_NR_IRQS 104 +#define AB8500_NUM_IRQ_REGS 13 + +/** + * struct ab8500 - ab8500 internal structure + * @dev: parent device + * @lock: read/write operations lock + * @irq_lock: genirq bus lock + * @revision: chip revision + * @irq: irq line + * @write: register write + * @read: register read + * @rx_buf: rx buf for SPI + * @tx_buf: tx buf for SPI + * @mask: cache of IRQ regs for bus lock + * @oldmask: cache of previous IRQ regs for bus lock + */ +struct ab8500 { + struct device *dev; + struct mutex lock; + struct mutex irq_lock; + int revision; + int irq_base; + int irq; + + int (*write) (struct ab8500 *a8500, u16 addr, u8 data); + int (*read) (struct ab8500 *a8500, u16 addr); + + unsigned long tx_buf[4]; + unsigned long rx_buf[4]; + + u8 mask[AB8500_NUM_IRQ_REGS]; + u8 oldmask[AB8500_NUM_IRQ_REGS]; +}; + +/** + * struct ab8500_platform_data - AB8500 platform data + * @irq_base: start of AB8500 IRQs, AB8500_NR_IRQS will be used + * @init: board-specific initialization after detection of ab8500 + */ +struct ab8500_platform_data { + int irq_base; + void (*init) (struct ab8500 *); +}; + +extern int ab8500_write(struct ab8500 *a8500, u16 addr, u8 data); +extern int ab8500_read(struct ab8500 *a8500, u16 addr); +extern int ab8500_set_bits(struct ab8500 *a8500, u16 addr, u8 mask, u8 data); + +extern int __devinit ab8500_init(struct ab8500 *ab8500); +extern int __devexit ab8500_exit(struct ab8500 *ab8500); + +#endif /* MFD_AB8500_H */ diff --git a/include/linux/mfd/ab3100.h b/include/linux/mfd/abx500.h index 9a881c305a50..390726fcbcb1 100644 --- a/include/linux/mfd/ab3100.h +++ b/include/linux/mfd/abx500.h @@ -3,17 +3,37 @@ * License terms: GNU General Public License (GPL) version 2 * AB3100 core access functions * Author: Linus Walleij <linus.walleij@stericsson.com> + * + * ABX500 core access functions. + * The abx500 interface is used for the Analog Baseband chip + * ab3100, ab3550, ab5500 and possibly comming. It is not used for + * ab4500 and ab8500 since they are another family of chip. + * + * Author: Mattias Wallin <mattias.wallin@stericsson.com> + * Author: Mattias Nilsson <mattias.i.nilsson@stericsson.com> + * Author: Bengt Jonsson <bengt.g.jonsson@stericsson.com> + * Author: Rickard Andersson <rickard.andersson@stericsson.com> */ #include <linux/device.h> #include <linux/regulator/machine.h> -#ifndef MFD_AB3100_H -#define MFD_AB3100_H +#ifndef MFD_ABX500_H +#define MFD_ABX500_H -#define ABUNKNOWN 0 -#define AB3000 1 -#define AB3100 2 +#define AB3100_P1A 0xc0 +#define AB3100_P1B 0xc1 +#define AB3100_P1C 0xc2 +#define AB3100_P1D 0xc3 +#define AB3100_P1E 0xc4 +#define AB3100_P1F 0xc5 +#define AB3100_P1G 0xc6 +#define AB3100_R2A 0xc7 +#define AB3100_R2B 0xc8 +#define AB3550_P1A 0x10 +#define AB5500_1_0 0x20 +#define AB5500_2_0 0x21 +#define AB5500_2_1 0x22 /* * AB3100, EVENTA1, A2 and A3 event register flags @@ -89,7 +109,7 @@ struct ab3100 { char chip_name[32]; u8 chip_id; struct blocking_notifier_head event_subscribers; - u32 startup_events; + u8 startup_events[3]; bool startup_events_read; }; @@ -112,18 +132,102 @@ struct ab3100_platform_data { int external_voltage; }; -int ab3100_set_register_interruptible(struct ab3100 *ab3100, u8 reg, u8 regval); -int ab3100_get_register_interruptible(struct ab3100 *ab3100, u8 reg, u8 *regval); -int ab3100_get_register_page_interruptible(struct ab3100 *ab3100, - u8 first_reg, u8 *regvals, u8 numregs); -int ab3100_mask_and_set_register_interruptible(struct ab3100 *ab3100, - u8 reg, u8 andmask, u8 ormask); -u8 ab3100_get_chip_type(struct ab3100 *ab3100); int ab3100_event_register(struct ab3100 *ab3100, struct notifier_block *nb); int ab3100_event_unregister(struct ab3100 *ab3100, struct notifier_block *nb); -int ab3100_event_registers_startup_state_get(struct ab3100 *ab3100, - u32 *fatevent); +/* AB3550, STR register flags */ +#define AB3550_STR_ONSWA (0x01) +#define AB3550_STR_ONSWB (0x02) +#define AB3550_STR_ONSWC (0x04) +#define AB3550_STR_DCIO (0x08) +#define AB3550_STR_BOOT_MODE (0x10) +#define AB3550_STR_SIM_OFF (0x20) +#define AB3550_STR_BATT_REMOVAL (0x40) +#define AB3550_STR_VBUS (0x80) + +/* Interrupt mask registers */ +#define AB3550_IMR1 0x29 +#define AB3550_IMR2 0x2a +#define AB3550_IMR3 0x2b +#define AB3550_IMR4 0x2c +#define AB3550_IMR5 0x2d + +enum ab3550_devid { + AB3550_DEVID_ADC, + AB3550_DEVID_DAC, + AB3550_DEVID_LEDS, + AB3550_DEVID_POWER, + AB3550_DEVID_REGULATORS, + AB3550_DEVID_SIM, + AB3550_DEVID_UART, + AB3550_DEVID_RTC, + AB3550_DEVID_CHARGER, + AB3550_DEVID_FUELGAUGE, + AB3550_DEVID_VIBRATOR, + AB3550_DEVID_CODEC, + AB3550_NUM_DEVICES, +}; + +/** + * struct abx500_init_setting + * Initial value of the registers for driver to use during setup. + */ +struct abx500_init_settings { + u8 bank; + u8 reg; + u8 setting; +}; + +/** + * struct ab3550_platform_data + * Data supplied to initialize board connections to the AB3550 + */ +struct ab3550_platform_data { + struct {unsigned int base; unsigned int count; } irq; + void *dev_data[AB3550_NUM_DEVICES]; + size_t dev_data_sz[AB3550_NUM_DEVICES]; + struct abx500_init_settings *init_settings; + unsigned int init_settings_sz; +}; + +int abx500_set_register_interruptible(struct device *dev, u8 bank, u8 reg, + u8 value); +int abx500_get_register_interruptible(struct device *dev, u8 bank, u8 reg, + u8 *value); +int abx500_get_register_page_interruptible(struct device *dev, u8 bank, + u8 first_reg, u8 *regvals, u8 numregs); +int abx500_set_register_page_interruptible(struct device *dev, u8 bank, + u8 first_reg, u8 *regvals, u8 numregs); +/** + * abx500_mask_and_set_register_inerruptible() - Modifies selected bits of a + * target register + * + * @dev: The AB sub device. + * @bank: The i2c bank number. + * @bitmask: The bit mask to use. + * @bitvalues: The new bit values. + * + * Updates the value of an AB register: + * value -> ((value & ~bitmask) | (bitvalues & bitmask)) + */ +int abx500_mask_and_set_register_interruptible(struct device *dev, u8 bank, + u8 reg, u8 bitmask, u8 bitvalues); +int abx500_get_chip_id(struct device *dev); +int abx500_event_registers_startup_state_get(struct device *dev, u8 *event); +int abx500_startup_irq_enabled(struct device *dev, unsigned int irq); + +struct abx500_ops { + int (*get_chip_id) (struct device *); + int (*get_register) (struct device *, u8, u8, u8 *); + int (*set_register) (struct device *, u8, u8, u8); + int (*get_register_page) (struct device *, u8, u8, u8 *, u8); + int (*set_register_page) (struct device *, u8, u8, u8 *, u8); + int (*mask_and_set_register) (struct device *, u8, u8, u8, u8); + int (*event_registers_startup_state_get) (struct device *, u8 *); + int (*startup_irq_enabled) (struct device *, unsigned int); +}; + +int abx500_register_ops(struct device *core_dev, struct abx500_ops *ops); #endif diff --git a/include/linux/mfd/janz.h b/include/linux/mfd/janz.h new file mode 100644 index 000000000000..e9994c469803 --- /dev/null +++ b/include/linux/mfd/janz.h @@ -0,0 +1,54 @@ +/* + * Common Definitions for Janz MODULbus devices + * + * Copyright (c) 2010 Ira W. Snyder <iws@ovro.caltech.edu> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#ifndef JANZ_H +#define JANZ_H + +struct janz_platform_data { + /* MODULbus Module Number */ + unsigned int modno; +}; + +/* PLX bridge chip onboard registers */ +struct janz_cmodio_onboard_regs { + u8 unused1; + + /* + * Read access: interrupt status + * Write access: interrupt disable + */ + u8 int_disable; + u8 unused2; + + /* + * Read access: MODULbus number (hex switch) + * Write access: interrupt enable + */ + u8 int_enable; + u8 unused3; + + /* write-only */ + u8 reset_assert; + u8 unused4; + + /* write-only */ + u8 reset_deassert; + u8 unused5; + + /* read-write access to serial EEPROM */ + u8 eep; + u8 unused6; + + /* write-only access to EEPROM chip select */ + u8 enid; +}; + +#endif /* JANZ_H */ diff --git a/include/linux/mfd/rdc321x.h b/include/linux/mfd/rdc321x.h new file mode 100644 index 000000000000..4bdf19c8eedf --- /dev/null +++ b/include/linux/mfd/rdc321x.h @@ -0,0 +1,26 @@ +#ifndef __RDC321X_MFD_H +#define __RDC321X_MFD_H + +#include <linux/types.h> +#include <linux/pci.h> + +/* Offsets to be accessed in the southbridge PCI + * device configuration register */ +#define RDC321X_WDT_CTRL 0x44 +#define RDC321X_GPIO_CTRL_REG1 0x48 +#define RDC321X_GPIO_DATA_REG1 0x4c +#define RDC321X_GPIO_CTRL_REG2 0x84 +#define RDC321X_GPIO_DATA_REG2 0x88 + +#define RDC321X_MAX_GPIO 58 + +struct rdc321x_gpio_pdata { + struct pci_dev *sb_pdev; + unsigned max_gpios; +}; + +struct rdc321x_wdt_pdata { + struct pci_dev *sb_pdev; +}; + +#endif /* __RDC321X_MFD_H */ diff --git a/include/linux/mfd/tc35892.h b/include/linux/mfd/tc35892.h new file mode 100644 index 000000000000..e47f770d3068 --- /dev/null +++ b/include/linux/mfd/tc35892.h @@ -0,0 +1,132 @@ +/* + * Copyright (C) ST-Ericsson SA 2010 + * + * License Terms: GNU General Public License, version 2 + */ + +#ifndef __LINUX_MFD_TC35892_H +#define __LINUX_MFD_TC35892_H + +#include <linux/device.h> + +#define TC35892_RSTCTRL_IRQRST (1 << 4) +#define TC35892_RSTCTRL_TIMRST (1 << 3) +#define TC35892_RSTCTRL_ROTRST (1 << 2) +#define TC35892_RSTCTRL_KBDRST (1 << 1) +#define TC35892_RSTCTRL_GPIRST (1 << 0) + +#define TC35892_IRQST 0x91 + +#define TC35892_MANFCODE_MAGIC 0x03 +#define TC35892_MANFCODE 0x80 +#define TC35892_VERSION 0x81 +#define TC35892_IOCFG 0xA7 + +#define TC35892_CLKMODE 0x88 +#define TC35892_CLKCFG 0x89 +#define TC35892_CLKEN 0x8A + +#define TC35892_RSTCTRL 0x82 +#define TC35892_EXTRSTN 0x83 +#define TC35892_RSTINTCLR 0x84 + +#define TC35892_GPIOIS0 0xC9 +#define TC35892_GPIOIS1 0xCA +#define TC35892_GPIOIS2 0xCB +#define TC35892_GPIOIBE0 0xCC +#define TC35892_GPIOIBE1 0xCD +#define TC35892_GPIOIBE2 0xCE +#define TC35892_GPIOIEV0 0xCF +#define TC35892_GPIOIEV1 0xD0 +#define TC35892_GPIOIEV2 0xD1 +#define TC35892_GPIOIE0 0xD2 +#define TC35892_GPIOIE1 0xD3 +#define TC35892_GPIOIE2 0xD4 +#define TC35892_GPIORIS0 0xD6 +#define TC35892_GPIORIS1 0xD7 +#define TC35892_GPIORIS2 0xD8 +#define TC35892_GPIOMIS0 0xD9 +#define TC35892_GPIOMIS1 0xDA +#define TC35892_GPIOMIS2 0xDB +#define TC35892_GPIOIC0 0xDC +#define TC35892_GPIOIC1 0xDD +#define TC35892_GPIOIC2 0xDE + +#define TC35892_GPIODATA0 0xC0 +#define TC35892_GPIOMASK0 0xc1 +#define TC35892_GPIODATA1 0xC2 +#define TC35892_GPIOMASK1 0xc3 +#define TC35892_GPIODATA2 0xC4 +#define TC35892_GPIOMASK2 0xC5 + +#define TC35892_GPIODIR0 0xC6 +#define TC35892_GPIODIR1 0xC7 +#define TC35892_GPIODIR2 0xC8 + +#define TC35892_GPIOSYNC0 0xE6 +#define TC35892_GPIOSYNC1 0xE7 +#define TC35892_GPIOSYNC2 0xE8 + +#define TC35892_GPIOWAKE0 0xE9 +#define TC35892_GPIOWAKE1 0xEA +#define TC35892_GPIOWAKE2 0xEB + +#define TC35892_GPIOODM0 0xE0 +#define TC35892_GPIOODE0 0xE1 +#define TC35892_GPIOODM1 0xE2 +#define TC35892_GPIOODE1 0xE3 +#define TC35892_GPIOODM2 0xE4 +#define TC35892_GPIOODE2 0xE5 + +#define TC35892_INT_GPIIRQ 0 +#define TC35892_INT_TI0IRQ 1 +#define TC35892_INT_TI1IRQ 2 +#define TC35892_INT_TI2IRQ 3 +#define TC35892_INT_ROTIRQ 5 +#define TC35892_INT_KBDIRQ 6 +#define TC35892_INT_PORIRQ 7 + +#define TC35892_NR_INTERNAL_IRQS 8 +#define TC35892_INT_GPIO(x) (TC35892_NR_INTERNAL_IRQS + (x)) + +struct tc35892 { + struct mutex lock; + struct device *dev; + struct i2c_client *i2c; + + int irq_base; + int num_gpio; + struct tc35892_platform_data *pdata; +}; + +extern int tc35892_reg_write(struct tc35892 *tc35892, u8 reg, u8 data); +extern int tc35892_reg_read(struct tc35892 *tc35892, u8 reg); +extern int tc35892_block_read(struct tc35892 *tc35892, u8 reg, u8 length, + u8 *values); +extern int tc35892_block_write(struct tc35892 *tc35892, u8 reg, u8 length, + const u8 *values); +extern int tc35892_set_bits(struct tc35892 *tc35892, u8 reg, u8 mask, u8 val); + +/** + * struct tc35892_gpio_platform_data - TC35892 GPIO platform data + * @gpio_base: first gpio number assigned to TC35892. A maximum of + * %TC35892_NR_GPIOS GPIOs will be allocated. + */ +struct tc35892_gpio_platform_data { + int gpio_base; +}; + +/** + * struct tc35892_platform_data - TC35892 platform data + * @irq_base: base IRQ number. %TC35892_NR_IRQS irqs will be used. + * @gpio: GPIO-specific platform data + */ +struct tc35892_platform_data { + int irq_base; + struct tc35892_gpio_platform_data *gpio; +}; + +#define TC35892_NR_GPIOS 24 +#define TC35892_NR_IRQS TC35892_INT_GPIO(TC35892_NR_GPIOS) + +#endif diff --git a/include/linux/mfd/tps6507x.h b/include/linux/mfd/tps6507x.h new file mode 100644 index 000000000000..c923e4864f55 --- /dev/null +++ b/include/linux/mfd/tps6507x.h @@ -0,0 +1,169 @@ +/* linux/mfd/tps6507x.h + * + * Functions to access TPS65070 power management chip. + * + * Copyright (c) 2009 RidgeRun (todd.fischer@ridgerun.com) + * + * + * For licencing details see kernel-base/COPYING + */ + +#ifndef __LINUX_MFD_TPS6507X_H +#define __LINUX_MFD_TPS6507X_H + +/* + * ---------------------------------------------------------------------------- + * Registers, all 8 bits + * ---------------------------------------------------------------------------- + */ + + +/* Register definitions */ +#define TPS6507X_REG_PPATH1 0X01 +#define TPS6507X_CHG_USB BIT(7) +#define TPS6507X_CHG_AC BIT(6) +#define TPS6507X_CHG_USB_PW_ENABLE BIT(5) +#define TPS6507X_CHG_AC_PW_ENABLE BIT(4) +#define TPS6507X_CHG_AC_CURRENT BIT(2) +#define TPS6507X_CHG_USB_CURRENT BIT(0) + +#define TPS6507X_REG_INT 0X02 +#define TPS6507X_REG_MASK_AC_USB BIT(7) +#define TPS6507X_REG_MASK_TSC BIT(6) +#define TPS6507X_REG_MASK_PB_IN BIT(5) +#define TPS6507X_REG_TSC_INT BIT(3) +#define TPS6507X_REG_PB_IN_INT BIT(2) +#define TPS6507X_REG_AC_USB_APPLIED BIT(1) +#define TPS6507X_REG_AC_USB_REMOVED BIT(0) + +#define TPS6507X_REG_CHGCONFIG0 0X03 + +#define TPS6507X_REG_CHGCONFIG1 0X04 +#define TPS6507X_CON_CTRL1_DCDC1_ENABLE BIT(4) +#define TPS6507X_CON_CTRL1_DCDC2_ENABLE BIT(3) +#define TPS6507X_CON_CTRL1_DCDC3_ENABLE BIT(2) +#define TPS6507X_CON_CTRL1_LDO1_ENABLE BIT(1) +#define TPS6507X_CON_CTRL1_LDO2_ENABLE BIT(0) + +#define TPS6507X_REG_CHGCONFIG2 0X05 + +#define TPS6507X_REG_CHGCONFIG3 0X06 + +#define TPS6507X_REG_ADCONFIG 0X07 +#define TPS6507X_ADCONFIG_AD_ENABLE BIT(7) +#define TPS6507X_ADCONFIG_START_CONVERSION BIT(6) +#define TPS6507X_ADCONFIG_CONVERSION_DONE BIT(5) +#define TPS6507X_ADCONFIG_VREF_ENABLE BIT(4) +#define TPS6507X_ADCONFIG_INPUT_AD_IN1 0 +#define TPS6507X_ADCONFIG_INPUT_AD_IN2 1 +#define TPS6507X_ADCONFIG_INPUT_AD_IN3 2 +#define TPS6507X_ADCONFIG_INPUT_AD_IN4 3 +#define TPS6507X_ADCONFIG_INPUT_TS_PIN 4 +#define TPS6507X_ADCONFIG_INPUT_BAT_CURRENT 5 +#define TPS6507X_ADCONFIG_INPUT_AC_VOLTAGE 6 +#define TPS6507X_ADCONFIG_INPUT_SYS_VOLTAGE 7 +#define TPS6507X_ADCONFIG_INPUT_CHARGER_VOLTAGE 8 +#define TPS6507X_ADCONFIG_INPUT_BAT_VOLTAGE 9 +#define TPS6507X_ADCONFIG_INPUT_THRESHOLD_VOLTAGE 10 +#define TPS6507X_ADCONFIG_INPUT_ISET1_VOLTAGE 11 +#define TPS6507X_ADCONFIG_INPUT_ISET2_VOLTAGE 12 +#define TPS6507X_ADCONFIG_INPUT_REAL_TSC 14 +#define TPS6507X_ADCONFIG_INPUT_TSC 15 + +#define TPS6507X_REG_TSCMODE 0X08 +#define TPS6507X_TSCMODE_X_POSITION 0 +#define TPS6507X_TSCMODE_Y_POSITION 1 +#define TPS6507X_TSCMODE_PRESSURE 2 +#define TPS6507X_TSCMODE_X_PLATE 3 +#define TPS6507X_TSCMODE_Y_PLATE 4 +#define TPS6507X_TSCMODE_STANDBY 5 +#define TPS6507X_TSCMODE_ADC_INPUT 6 +#define TPS6507X_TSCMODE_DISABLE 7 + +#define TPS6507X_REG_ADRESULT_1 0X09 + +#define TPS6507X_REG_ADRESULT_2 0X0A +#define TPS6507X_REG_ADRESULT_2_MASK (BIT(1) | BIT(0)) + +#define TPS6507X_REG_PGOOD 0X0B + +#define TPS6507X_REG_PGOODMASK 0X0C + +#define TPS6507X_REG_CON_CTRL1 0X0D +#define TPS6507X_CON_CTRL1_DCDC1_ENABLE BIT(4) +#define TPS6507X_CON_CTRL1_DCDC2_ENABLE BIT(3) +#define TPS6507X_CON_CTRL1_DCDC3_ENABLE BIT(2) +#define TPS6507X_CON_CTRL1_LDO1_ENABLE BIT(1) +#define TPS6507X_CON_CTRL1_LDO2_ENABLE BIT(0) + +#define TPS6507X_REG_CON_CTRL2 0X0E + +#define TPS6507X_REG_CON_CTRL3 0X0F + +#define TPS6507X_REG_DEFDCDC1 0X10 +#define TPS6507X_DEFDCDC1_DCDC1_EXT_ADJ_EN BIT(7) +#define TPS6507X_DEFDCDC1_DCDC1_MASK 0X3F + +#define TPS6507X_REG_DEFDCDC2_LOW 0X11 +#define TPS6507X_DEFDCDC2_LOW_DCDC2_MASK 0X3F + +#define TPS6507X_REG_DEFDCDC2_HIGH 0X12 +#define TPS6507X_DEFDCDC2_HIGH_DCDC2_MASK 0X3F + +#define TPS6507X_REG_DEFDCDC3_LOW 0X13 +#define TPS6507X_DEFDCDC3_LOW_DCDC3_MASK 0X3F + +#define TPS6507X_REG_DEFDCDC3_HIGH 0X14 +#define TPS6507X_DEFDCDC3_HIGH_DCDC3_MASK 0X3F + +#define TPS6507X_REG_DEFSLEW 0X15 + +#define TPS6507X_REG_LDO_CTRL1 0X16 +#define TPS6507X_REG_LDO_CTRL1_LDO1_MASK 0X0F + +#define TPS6507X_REG_DEFLDO2 0X17 +#define TPS6507X_REG_DEFLDO2_LDO2_MASK 0X3F + +#define TPS6507X_REG_WLED_CTRL1 0X18 + +#define TPS6507X_REG_WLED_CTRL2 0X19 + +/* VDCDC MASK */ +#define TPS6507X_DEFDCDCX_DCDC_MASK 0X3F + +#define TPS6507X_MAX_REGISTER 0X19 + +/** + * struct tps6507x_board - packages regulator and touchscreen init data + * @tps6507x_regulator_data: regulator initialization values + * + * Board data may be used to initialize regulator and touchscreen. + */ + +struct tps6507x_board { + struct regulator_init_data *tps6507x_pmic_init_data; + struct touchscreen_init_data *tps6507x_ts_init_data; +}; + +/** + * struct tps6507x_dev - tps6507x sub-driver chip access routines + * @read_dev() - I2C register read function + * @write_dev() - I2C register write function + * + * Device data may be used to access the TPS6507x chip + */ + +struct tps6507x_dev { + struct device *dev; + struct i2c_client *i2c_client; + int (*read_dev)(struct tps6507x_dev *tps6507x, char reg, int size, + void *dest); + int (*write_dev)(struct tps6507x_dev *tps6507x, char reg, int size, + void *src); + + /* Client devices */ + struct tps6507x_pmic *pmic; + struct tps6507x_ts *ts; +}; + +#endif /* __LINUX_MFD_TPS6507X_H */ diff --git a/include/linux/mfd/wm831x/core.h b/include/linux/mfd/wm831x/core.h index 5915f6e3d9ab..eb5bd4e0e03c 100644 --- a/include/linux/mfd/wm831x/core.h +++ b/include/linux/mfd/wm831x/core.h @@ -256,8 +256,9 @@ struct wm831x { int irq_masks_cache[WM831X_NUM_IRQ_REGS]; /* Cached hardware value */ /* Chip revision based flags */ - unsigned has_gpio_ena:1; /* Has GPIO enable bit */ - unsigned has_cs_sts:1; /* Has current sink status bit */ + unsigned has_gpio_ena:1; /* Has GPIO enable bit */ + unsigned has_cs_sts:1; /* Has current sink status bit */ + unsigned charger_irq_wake:1; /* Are charger IRQs a wake source? */ int num_gpio; diff --git a/include/linux/nodemask.h b/include/linux/nodemask.h index 8a8f1d09c133..dba35e413371 100644 --- a/include/linux/nodemask.h +++ b/include/linux/nodemask.h @@ -66,8 +66,6 @@ * int num_online_nodes() Number of online Nodes * int num_possible_nodes() Number of all possible Nodes * - * int node_random(mask) Random node with set bit in mask - * * int node_online(node) Is some node online? * int node_possible(node) Is some node possible? * @@ -432,10 +430,6 @@ static inline void node_set_offline(int nid) node_clear_state(nid, N_ONLINE); nr_online_nodes = num_node_state(N_ONLINE); } - -#define node_random(mask) __node_random(&(mask)) -extern int __node_random(const nodemask_t *maskp); - #else static inline int node_state(int node, enum node_states state) @@ -466,8 +460,6 @@ static inline int num_node_state(enum node_states state) #define node_set_online(node) node_set_state((node), N_ONLINE) #define node_set_offline(node) node_clear_state((node), N_ONLINE) - -static inline int node_random(const nodemask_t mask) { return 0; } #endif #define node_online_map node_states[N_ONLINE] diff --git a/include/linux/pci.h b/include/linux/pci.h index a327322a33ab..6a471aba3b07 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -311,7 +311,8 @@ struct pci_dev { unsigned int is_virtfn:1; unsigned int reset_fn:1; unsigned int is_hotplug_bridge:1; - unsigned int aer_firmware_first:1; + unsigned int __aer_firmware_first_valid:1; + unsigned int __aer_firmware_first:1; pci_dev_flags_t dev_flags; atomic_t enable_cnt; /* pci_enable_device has been called */ diff --git a/include/linux/quota.h b/include/linux/quota.h index 7126a15467f1..94c1f03b50eb 100644 --- a/include/linux/quota.h +++ b/include/linux/quota.h @@ -174,8 +174,7 @@ enum { #include <linux/rwsem.h> #include <linux/spinlock.h> #include <linux/wait.h> -#include <linux/percpu.h> -#include <linux/smp.h> +#include <linux/percpu_counter.h> #include <linux/dqblk_xfs.h> #include <linux/dqblk_v1.h> @@ -254,6 +253,7 @@ enum { struct dqstats { int stat[_DQST_DQSTAT_LAST]; + struct percpu_counter counter[_DQST_DQSTAT_LAST]; }; extern struct dqstats *dqstats_pcpu; @@ -261,20 +261,12 @@ extern struct dqstats dqstats; static inline void dqstats_inc(unsigned int type) { -#ifdef CONFIG_SMP - per_cpu_ptr(dqstats_pcpu, smp_processor_id())->stat[type]++; -#else - dqstats.stat[type]++; -#endif + percpu_counter_inc(&dqstats.counter[type]); } static inline void dqstats_dec(unsigned int type) { -#ifdef CONFIG_SMP - per_cpu_ptr(dqstats_pcpu, smp_processor_id())->stat[type]--; -#else - dqstats.stat[type]--; -#endif + percpu_counter_dec(&dqstats.counter[type]); } #define DQ_MOD_B 0 /* dquot modified since read */ @@ -332,8 +324,8 @@ struct dquot_operations { /* Operations handling requests from userspace */ struct quotactl_ops { - int (*quota_on)(struct super_block *, int, int, char *, int); - int (*quota_off)(struct super_block *, int, int); + int (*quota_on)(struct super_block *, int, int, char *); + int (*quota_off)(struct super_block *, int); int (*quota_sync)(struct super_block *, int, int); int (*get_info)(struct super_block *, int, struct if_dqinfo *); int (*set_info)(struct super_block *, int, struct if_dqinfo *); diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h index e38ae53f3529..aa36793b48bd 100644 --- a/include/linux/quotaops.h +++ b/include/linux/quotaops.h @@ -53,6 +53,14 @@ int dquot_alloc_inode(const struct inode *inode); int dquot_claim_space_nodirty(struct inode *inode, qsize_t number); void dquot_free_inode(const struct inode *inode); +int dquot_disable(struct super_block *sb, int type, unsigned int flags); +/* Suspend quotas on remount RO */ +static inline int dquot_suspend(struct super_block *sb, int type) +{ + return dquot_disable(sb, type, DQUOT_SUSPENDED); +} +int dquot_resume(struct super_block *sb, int type); + int dquot_commit(struct dquot *dquot); int dquot_acquire(struct dquot *dquot); int dquot_release(struct dquot *dquot); @@ -61,27 +69,25 @@ int dquot_mark_dquot_dirty(struct dquot *dquot); int dquot_file_open(struct inode *inode, struct file *file); -int vfs_quota_on(struct super_block *sb, int type, int format_id, - char *path, int remount); -int vfs_quota_enable(struct inode *inode, int type, int format_id, +int dquot_quota_on(struct super_block *sb, int type, int format_id, + char *path); +int dquot_enable(struct inode *inode, int type, int format_id, unsigned int flags); -int vfs_quota_on_path(struct super_block *sb, int type, int format_id, +int dquot_quota_on_path(struct super_block *sb, int type, int format_id, struct path *path); -int vfs_quota_on_mount(struct super_block *sb, char *qf_name, +int dquot_quota_on_mount(struct super_block *sb, char *qf_name, int format_id, int type); -int vfs_quota_off(struct super_block *sb, int type, int remount); -int vfs_quota_disable(struct super_block *sb, int type, unsigned int flags); -int vfs_quota_sync(struct super_block *sb, int type, int wait); -int vfs_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii); -int vfs_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii); -int vfs_get_dqblk(struct super_block *sb, int type, qid_t id, +int dquot_quota_off(struct super_block *sb, int type); +int dquot_quota_sync(struct super_block *sb, int type, int wait); +int dquot_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii); +int dquot_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii); +int dquot_get_dqblk(struct super_block *sb, int type, qid_t id, struct fs_disk_quota *di); -int vfs_set_dqblk(struct super_block *sb, int type, qid_t id, +int dquot_set_dqblk(struct super_block *sb, int type, qid_t id, struct fs_disk_quota *di); int __dquot_transfer(struct inode *inode, struct dquot **transfer_to); int dquot_transfer(struct inode *inode, struct iattr *iattr); -int vfs_dq_quota_on_remount(struct super_block *sb); static inline struct mem_dqinfo *sb_dqinfo(struct super_block *sb, int type) { @@ -148,20 +154,7 @@ static inline unsigned sb_any_quota_active(struct super_block *sb) * Operations supported for diskquotas. */ extern const struct dquot_operations dquot_operations; -extern const struct quotactl_ops vfs_quotactl_ops; - -#define sb_dquot_ops (&dquot_operations) -#define sb_quotactl_ops (&vfs_quotactl_ops) - -/* Cannot be called inside a transaction */ -static inline int vfs_dq_off(struct super_block *sb, int remount) -{ - int ret = -ENOSYS; - - if (sb->s_qcop && sb->s_qcop->quota_off) - ret = sb->s_qcop->quota_off(sb, -1, remount); - return ret; -} +extern const struct quotactl_ops dquot_quotactl_ops; #else @@ -206,12 +199,6 @@ static inline int sb_any_quota_active(struct super_block *sb) return 0; } -/* - * NO-OP when quota not configured. - */ -#define sb_dquot_ops (NULL) -#define sb_quotactl_ops (NULL) - static inline void dquot_initialize(struct inode *inode) { } @@ -229,16 +216,6 @@ static inline void dquot_free_inode(const struct inode *inode) { } -static inline int vfs_dq_off(struct super_block *sb, int remount) -{ - return 0; -} - -static inline int vfs_dq_quota_on_remount(struct super_block *sb) -{ - return 0; -} - static inline int dquot_transfer(struct inode *inode, struct iattr *iattr) { return 0; @@ -265,6 +242,22 @@ static inline int dquot_claim_space_nodirty(struct inode *inode, qsize_t number) return 0; } +static inline int dquot_disable(struct super_block *sb, int type, + unsigned int flags) +{ + return 0; +} + +static inline int dquot_suspend(struct super_block *sb, int type) +{ + return 0; +} + +static inline int dquot_resume(struct super_block *sb, int type) +{ + return 0; +} + #define dquot_file_open generic_file_open #endif /* CONFIG_QUOTA */ diff --git a/include/linux/rio.h b/include/linux/rio.h index 19b5f227096e..bd6eb0ed34a7 100644 --- a/include/linux/rio.h +++ b/include/linux/rio.h @@ -88,11 +88,15 @@ union rio_pw_msg; * @swpinfo: Switch port info * @src_ops: Source operation capabilities * @dst_ops: Destination operation capabilities + * @comp_tag: RIO component tag + * @phys_efptr: RIO device extended features pointer + * @em_efptr: RIO Error Management features pointer * @dma_mask: Mask of bits of RIO address this device implements * @rswitch: Pointer to &struct rio_switch if valid for this device * @driver: Driver claiming this device * @dev: Device model device * @riores: RIO resources this device owns + * @pwcback: port-write callback function for this device * @destid: Network destination ID */ struct rio_dev { @@ -222,6 +226,8 @@ struct rio_net { * @add_entry: Callback for switch-specific route add function * @get_entry: Callback for switch-specific route get function * @clr_table: Callback for switch-specific clear route table function + * @set_domain: Callback for switch-specific domain setting function + * @get_domain: Callback for switch-specific domain get function * @em_init: Callback for switch-specific error management initialization function * @em_handle: Callback for switch-specific error management handler function */ diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index f10db6e5f3b5..522832023a69 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -186,6 +186,9 @@ #define PORT_ALTERA_JTAGUART 91 #define PORT_ALTERA_UART 92 +/* SH-SCI */ +#define PORT_SCIFB 93 + #ifdef __KERNEL__ #include <linux/compiler.h> diff --git a/include/linux/serial_sci.h b/include/linux/serial_sci.h index f5364a1de68b..baed2122c5a6 100644 --- a/include/linux/serial_sci.h +++ b/include/linux/serial_sci.h @@ -2,9 +2,7 @@ #define __LINUX_SERIAL_SCI_H #include <linux/serial_core.h> -#ifdef CONFIG_SERIAL_SH_SCI_DMA -#include <asm/dmaengine.h> -#endif +#include <linux/sh_dma.h> /* * Generic header for SuperH SCI(F) (used by sh/sh64/h8300 and related parts) diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 7cdfb4d52847..bf243fc54959 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -501,7 +501,7 @@ static inline struct sk_buff *alloc_skb_fclone(unsigned int size, return __alloc_skb(size, priority, 1, -1); } -extern int skb_recycle_check(struct sk_buff *skb, int skb_size); +extern bool skb_recycle_check(struct sk_buff *skb, int skb_size); extern struct sk_buff *skb_morph(struct sk_buff *dst, struct sk_buff *src); extern struct sk_buff *skb_clone(struct sk_buff *skb, diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h index 55695c8d2f8a..4ba59cfc1f75 100644 --- a/include/linux/slub_def.h +++ b/include/linux/slub_def.h @@ -75,12 +75,6 @@ struct kmem_cache { int offset; /* Free pointer offset. */ struct kmem_cache_order_objects oo; - /* - * Avoid an extra cache line for UP, SMP and for the node local to - * struct kmem_cache. - */ - struct kmem_cache_node local_node; - /* Allocation and freeing of slabs */ struct kmem_cache_order_objects max; struct kmem_cache_order_objects min; @@ -102,6 +96,9 @@ struct kmem_cache { */ int remote_node_defrag_ratio; struct kmem_cache_node *node[MAX_NUMNODES]; +#else + /* Avoid an extra cache line for UP */ + struct kmem_cache_node local_node; #endif }; @@ -140,7 +137,7 @@ struct kmem_cache { #ifdef CONFIG_ZONE_DMA #define SLUB_DMA __GFP_DMA /* Reserve extra caches for potential DMA use */ -#define KMALLOC_CACHES (2 * SLUB_PAGE_SHIFT - 6) +#define KMALLOC_CACHES (2 * SLUB_PAGE_SHIFT) #else /* Disable DMA functionality */ #define SLUB_DMA (__force gfp_t)0 diff --git a/include/linux/usb/audio-v2.h b/include/linux/usb/audio-v2.h index 2389f93a28b5..92f1d99f0f17 100644 --- a/include/linux/usb/audio-v2.h +++ b/include/linux/usb/audio-v2.h @@ -105,6 +105,22 @@ struct uac_as_header_descriptor_v2 { __u8 iChannelNames; } __attribute__((packed)); +/* 4.10.1.2 Class-Specific AS Isochronous Audio Data Endpoint Descriptor */ + +struct uac2_iso_endpoint_descriptor { + __u8 bLength; /* in bytes: 8 */ + __u8 bDescriptorType; /* USB_DT_CS_ENDPOINT */ + __u8 bDescriptorSubtype; /* EP_GENERAL */ + __u8 bmAttributes; + __u8 bmControls; + __u8 bLockDelayUnits; + __le16 wLockDelay; +} __attribute__((packed)); + +#define UAC2_CONTROL_PITCH (3 << 0) +#define UAC2_CONTROL_DATA_OVERRUN (3 << 2) +#define UAC2_CONTROL_DATA_UNDERRUN (3 << 4) + /* 6.1 Interrupt Data Message */ #define UAC2_INTERRUPT_DATA_MSG_VENDOR (1 << 0) diff --git a/include/linux/uuid.h b/include/linux/uuid.h new file mode 100644 index 000000000000..5b7efbfcee4e --- /dev/null +++ b/include/linux/uuid.h @@ -0,0 +1,70 @@ +/* + * UUID/GUID definition + * + * Copyright (C) 2010, Intel Corp. + * Huang Ying <ying.huang@intel.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation; + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef _LINUX_UUID_H_ +#define _LINUX_UUID_H_ + +#include <linux/types.h> +#include <linux/string.h> + +typedef struct { + __u8 b[16]; +} uuid_le; + +typedef struct { + __u8 b[16]; +} uuid_be; + +#define UUID_LE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \ +((uuid_le) \ +{{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \ + (b) & 0xff, ((b) >> 8) & 0xff, \ + (c) & 0xff, ((c) >> 8) & 0xff, \ + (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }}) + +#define UUID_BE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \ +((uuid_be) \ +{{ ((a) >> 24) & 0xff, ((a) >> 16) & 0xff, ((a) >> 8) & 0xff, (a) & 0xff, \ + ((b) >> 8) & 0xff, (b) & 0xff, \ + ((c) >> 8) & 0xff, (c) & 0xff, \ + (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }}) + +#define NULL_UUID_LE \ + UUID_LE(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00) + +#define NULL_UUID_BE \ + UUID_BE(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00) + +static inline int uuid_le_cmp(const uuid_le u1, const uuid_le u2) +{ + return memcmp(&u1, &u2, sizeof(uuid_le)); +} + +static inline int uuid_be_cmp(const uuid_be u1, const uuid_be u2) +{ + return memcmp(&u1, &u2, sizeof(uuid_be)); +} + +extern void uuid_le_gen(uuid_le *u); +extern void uuid_be_gen(uuid_be *u); + +#endif diff --git a/include/net/cls_cgroup.h b/include/net/cls_cgroup.h index 6cf44866cecd..726cc3536409 100644 --- a/include/net/cls_cgroup.h +++ b/include/net/cls_cgroup.h @@ -39,7 +39,7 @@ extern int net_cls_subsys_id; static inline u32 task_cls_classid(struct task_struct *p) { int id; - u32 classid; + u32 classid = 0; if (in_interrupt()) return 0; diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index 6173c619913a..4b860116e096 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -876,7 +876,7 @@ struct sctp_transport { /* Reference counting. */ atomic_t refcnt; - int dead:1, + __u32 dead:1, /* RTO-Pending : A flag used to track if one of the DATA * chunks sent to this address is currently being * used to compute a RTT. If this flag is 0, diff --git a/include/net/sock.h b/include/net/sock.h index d2a71b04a5ae..ca241ea14875 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1026,15 +1026,23 @@ extern void release_sock(struct sock *sk); SINGLE_DEPTH_NESTING) #define bh_unlock_sock(__sk) spin_unlock(&((__sk)->sk_lock.slock)) -static inline void lock_sock_bh(struct sock *sk) +extern bool lock_sock_fast(struct sock *sk); +/** + * unlock_sock_fast - complement of lock_sock_fast + * @sk: socket + * @slow: slow mode + * + * fast unlock socket for user context. + * If slow mode is on, we call regular release_sock() + */ +static inline void unlock_sock_fast(struct sock *sk, bool slow) { - spin_lock_bh(&sk->sk_lock.slock); + if (slow) + release_sock(sk); + else + spin_unlock_bh(&sk->sk_lock.slock); } -static inline void unlock_sock_bh(struct sock *sk) -{ - spin_unlock_bh(&sk->sk_lock.slock); -} extern struct sock *sk_alloc(struct net *net, int family, gfp_t priority, diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h index 5d60ad4ebf78..f5b1ba90e952 100644 --- a/include/trace/events/ext4.h +++ b/include/trace/events/ext4.h @@ -606,9 +606,9 @@ TRACE_EVENT(ext4_free_blocks, ); TRACE_EVENT(ext4_sync_file, - TP_PROTO(struct file *file, struct dentry *dentry, int datasync), + TP_PROTO(struct file *file, int datasync), - TP_ARGS(file, dentry, datasync), + TP_ARGS(file, datasync), TP_STRUCT__entry( __field( dev_t, dev ) @@ -618,6 +618,8 @@ TRACE_EVENT(ext4_sync_file, ), TP_fast_assign( + struct dentry *dentry = file->f_path.dentry; + __entry->dev = dentry->d_inode->i_sb->s_dev; __entry->ino = dentry->d_inode->i_ino; __entry->datasync = datasync; diff --git a/include/video/mipi_display.h b/include/video/mipi_display.h new file mode 100644 index 000000000000..ddcc8ca7316b --- /dev/null +++ b/include/video/mipi_display.h @@ -0,0 +1,130 @@ +/* + * Defines for Mobile Industry Processor Interface (MIPI(R)) + * Display Working Group standards: DSI, DCS, DBI, DPI + * + * Copyright (C) 2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de> + * Copyright (C) 2006 Nokia Corporation + * Author: Imre Deak <imre.deak@nokia.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef MIPI_DISPLAY_H +#define MIPI_DISPLAY_H + +/* MIPI DSI Processor-to-Peripheral transaction types */ +enum { + MIPI_DSI_V_SYNC_START = 0x01, + MIPI_DSI_V_SYNC_END = 0x11, + MIPI_DSI_H_SYNC_START = 0x21, + MIPI_DSI_H_SYNC_END = 0x31, + + MIPI_DSI_COLOR_MODE_OFF = 0x02, + MIPI_DSI_COLOR_MODE_ON = 0x12, + MIPI_DSI_SHUTDOWN_PERIPHERAL = 0x22, + MIPI_DSI_TURN_ON_PERIPHERAL = 0x32, + + MIPI_DSI_GENERIC_SHORT_WRITE_0_PARAM = 0x03, + MIPI_DSI_GENERIC_SHORT_WRITE_1_PARAM = 0x13, + MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM = 0x23, + + MIPI_DSI_GENERIC_READ_REQUEST_0_PARAM = 0x04, + MIPI_DSI_GENERIC_READ_REQUEST_1_PARAM = 0x14, + MIPI_DSI_GENERIC_READ_REQUEST_2_PARAM = 0x24, + + MIPI_DSI_DCS_SHORT_WRITE = 0x05, + MIPI_DSI_DCS_SHORT_WRITE_PARAM = 0x15, + + MIPI_DSI_DCS_READ = 0x06, + + MIPI_DSI_SET_MAXIMUM_RETURN_PACKET_SIZE = 0x37, + + MIPI_DSI_END_OF_TRANSMISSION = 0x08, + + MIPI_DSI_NULL_PACKET = 0x09, + MIPI_DSI_BLANKING_PACKET = 0x19, + MIPI_DSI_GENERIC_LONG_WRITE = 0x29, + MIPI_DSI_DCS_LONG_WRITE = 0x39, + + MIPI_DSI_LOOSELY_PACKED_PIXEL_STREAM_YCBCR20 = 0x0c, + MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR24 = 0x1c, + MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR16 = 0x2c, + + MIPI_DSI_PACKED_PIXEL_STREAM_30 = 0x0d, + MIPI_DSI_PACKED_PIXEL_STREAM_36 = 0x1d, + MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR12 = 0x3d, + + MIPI_DSI_PACKED_PIXEL_STREAM_16 = 0x0e, + MIPI_DSI_PACKED_PIXEL_STREAM_18 = 0x1e, + MIPI_DSI_PIXEL_STREAM_3BYTE_18 = 0x2e, + MIPI_DSI_PACKED_PIXEL_STREAM_24 = 0x3e, +}; + +/* MIPI DSI Peripheral-to-Processor transaction types */ +enum { + MIPI_DSI_RX_ACKNOWLEDGE_AND_ERROR_REPORT = 0x02, + MIPI_DSI_RX_END_OF_TRANSMISSION = 0x08, + MIPI_DSI_RX_GENERIC_SHORT_READ_RESPONSE_1BYTE = 0x11, + MIPI_DSI_RX_GENERIC_SHORT_READ_RESPONSE_2BYTE = 0x12, + MIPI_DSI_RX_GENERIC_LONG_READ_RESPONSE = 0x1a, + MIPI_DSI_RX_DCS_LONG_READ_RESPONSE = 0x1c, + MIPI_DSI_RX_DCS_SHORT_READ_RESPONSE_1BYTE = 0x21, + MIPI_DSI_RX_DCS_SHORT_READ_RESPONSE_2BYTE = 0x22, +}; + +/* MIPI DCS commands */ +enum { + MIPI_DCS_NOP = 0x00, + MIPI_DCS_SOFT_RESET = 0x01, + MIPI_DCS_GET_DISPLAY_ID = 0x04, + MIPI_DCS_GET_RED_CHANNEL = 0x06, + MIPI_DCS_GET_GREEN_CHANNEL = 0x07, + MIPI_DCS_GET_BLUE_CHANNEL = 0x08, + MIPI_DCS_GET_DISPLAY_STATUS = 0x09, + MIPI_DCS_GET_POWER_MODE = 0x0A, + MIPI_DCS_GET_ADDRESS_MODE = 0x0B, + MIPI_DCS_GET_PIXEL_FORMAT = 0x0C, + MIPI_DCS_GET_DISPLAY_MODE = 0x0D, + MIPI_DCS_GET_SIGNAL_MODE = 0x0E, + MIPI_DCS_GET_DIAGNOSTIC_RESULT = 0x0F, + MIPI_DCS_ENTER_SLEEP_MODE = 0x10, + MIPI_DCS_EXIT_SLEEP_MODE = 0x11, + MIPI_DCS_ENTER_PARTIAL_MODE = 0x12, + MIPI_DCS_ENTER_NORMAL_MODE = 0x13, + MIPI_DCS_EXIT_INVERT_MODE = 0x20, + MIPI_DCS_ENTER_INVERT_MODE = 0x21, + MIPI_DCS_SET_GAMMA_CURVE = 0x26, + MIPI_DCS_SET_DISPLAY_OFF = 0x28, + MIPI_DCS_SET_DISPLAY_ON = 0x29, + MIPI_DCS_SET_COLUMN_ADDRESS = 0x2A, + MIPI_DCS_SET_PAGE_ADDRESS = 0x2B, + MIPI_DCS_WRITE_MEMORY_START = 0x2C, + MIPI_DCS_WRITE_LUT = 0x2D, + MIPI_DCS_READ_MEMORY_START = 0x2E, + MIPI_DCS_SET_PARTIAL_AREA = 0x30, + MIPI_DCS_SET_SCROLL_AREA = 0x33, + MIPI_DCS_SET_TEAR_OFF = 0x34, + MIPI_DCS_SET_TEAR_ON = 0x35, + MIPI_DCS_SET_ADDRESS_MODE = 0x36, + MIPI_DCS_SET_SCROLL_START = 0x37, + MIPI_DCS_EXIT_IDLE_MODE = 0x38, + MIPI_DCS_ENTER_IDLE_MODE = 0x39, + MIPI_DCS_SET_PIXEL_FORMAT = 0x3A, + MIPI_DCS_WRITE_MEMORY_CONTINUE = 0x3C, + MIPI_DCS_READ_MEMORY_CONTINUE = 0x3E, + MIPI_DCS_SET_TEAR_SCANLINE = 0x44, + MIPI_DCS_GET_SCANLINE = 0x45, + MIPI_DCS_READ_DDB_START = 0xA1, + MIPI_DCS_READ_DDB_CONTINUE = 0xA8, +}; + +/* MIPI DCS pixel formats */ +#define MIPI_DCS_PIXEL_FMT_24BIT 7 +#define MIPI_DCS_PIXEL_FMT_18BIT 6 +#define MIPI_DCS_PIXEL_FMT_16BIT 5 +#define MIPI_DCS_PIXEL_FMT_12BIT 3 +#define MIPI_DCS_PIXEL_FMT_8BIT 2 +#define MIPI_DCS_PIXEL_FMT_3BIT 1 + +#endif diff --git a/include/video/sh_mipi_dsi.h b/include/video/sh_mipi_dsi.h new file mode 100644 index 000000000000..18bca08f9f59 --- /dev/null +++ b/include/video/sh_mipi_dsi.h @@ -0,0 +1,35 @@ +/* + * Public SH-mobile MIPI DSI header + * + * Copyright (C) 2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef VIDEO_SH_MIPI_DSI_H +#define VIDEO_SH_MIPI_DSI_H + +enum sh_mipi_dsi_data_fmt { + MIPI_RGB888, + MIPI_RGB565, + MIPI_RGB666_LP, + MIPI_RGB666, + MIPI_BGR888, + MIPI_BGR565, + MIPI_BGR666_LP, + MIPI_BGR666, + MIPI_YUYV, + MIPI_UYVY, + MIPI_YUV420_L, + MIPI_YUV420, +}; + +struct sh_mobile_lcdc_chan_cfg; + +struct sh_mipi_dsi_info { + enum sh_mipi_dsi_data_fmt data_format; + struct sh_mobile_lcdc_chan_cfg *lcd_chan; +}; + +#endif diff --git a/include/video/sh_mobile_lcdc.h b/include/video/sh_mobile_lcdc.h index 288205457713..24393449960f 100644 --- a/include/video/sh_mobile_lcdc.h +++ b/include/video/sh_mobile_lcdc.h @@ -3,24 +3,27 @@ #include <linux/fb.h> -enum { RGB8, /* 24bpp, 8:8:8 */ - RGB9, /* 18bpp, 9:9 */ - RGB12A, /* 24bpp, 12:12 */ - RGB12B, /* 12bpp */ - RGB16, /* 16bpp */ - RGB18, /* 18bpp */ - RGB24, /* 24bpp */ - SYS8A, /* 24bpp, 8:8:8 */ - SYS8B, /* 18bpp, 8:8:2 */ - SYS8C, /* 18bpp, 2:8:8 */ - SYS8D, /* 16bpp, 8:8 */ - SYS9, /* 18bpp, 9:9 */ - SYS12, /* 24bpp, 12:12 */ - SYS16A, /* 16bpp */ - SYS16B, /* 18bpp, 16:2 */ - SYS16C, /* 18bpp, 2:16 */ - SYS18, /* 18bpp */ - SYS24 };/* 24bpp */ +enum { + RGB8, /* 24bpp, 8:8:8 */ + RGB9, /* 18bpp, 9:9 */ + RGB12A, /* 24bpp, 12:12 */ + RGB12B, /* 12bpp */ + RGB16, /* 16bpp */ + RGB18, /* 18bpp */ + RGB24, /* 24bpp */ + YUV422, /* 16bpp */ + SYS8A, /* 24bpp, 8:8:8 */ + SYS8B, /* 18bpp, 8:8:2 */ + SYS8C, /* 18bpp, 2:8:8 */ + SYS8D, /* 16bpp, 8:8 */ + SYS9, /* 18bpp, 9:9 */ + SYS12, /* 24bpp, 12:12 */ + SYS16A, /* 16bpp */ + SYS16B, /* 18bpp, 16:2 */ + SYS16C, /* 18bpp, 2:16 */ + SYS18, /* 18bpp */ + SYS24, /* 24bpp */ +}; enum { LCDC_CHAN_DISABLED = 0, LCDC_CHAN_MAINLCD, diff --git a/ipc/mqueue.c b/ipc/mqueue.c index 5108232f93d4..c93fd3faac2d 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -176,7 +176,6 @@ static struct inode *mqueue_get_inode(struct super_block *sb, } return inode; out_inode: - make_bad_inode(inode); iput(inode); return NULL; } diff --git a/ipc/shm.c b/ipc/shm.c index 1a314c89f93c..52ed77eb9713 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -273,16 +273,13 @@ static int shm_release(struct inode *ino, struct file *file) return 0; } -static int shm_fsync(struct file *file, struct dentry *dentry, int datasync) +static int shm_fsync(struct file *file, int datasync) { - int (*fsync) (struct file *, struct dentry *, int datasync); struct shm_file_data *sfd = shm_file_data(file); - int ret = -EINVAL; - fsync = sfd->file->f_op->fsync; - if (fsync) - ret = fsync(sfd->file, sfd->file->f_path.dentry, datasync); - return ret; + if (!sfd->file->f_op->fsync) + return -EINVAL; + return sfd->file->f_op->fsync(sfd->file, datasync); } static unsigned long shm_get_unmapped_area(struct file *file, diff --git a/kernel/cpu.c b/kernel/cpu.c index 3097382eb44a..8b92539b4754 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -394,7 +394,7 @@ static cpumask_var_t frozen_cpus; int disable_nonboot_cpus(void) { - int cpu, first_cpu, error; + int cpu, first_cpu, error = 0; cpu_maps_update_begin(); first_cpu = cpumask_first(cpu_online_mask); diff --git a/kernel/fork.c b/kernel/fork.c index bf9fef6d1bfe..b6cce14ba047 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1086,10 +1086,6 @@ static struct task_struct *copy_process(unsigned long clone_flags, } mpol_fix_fork_child_flag(p); #endif -#ifdef CONFIG_CPUSETS - p->cpuset_mem_spread_rotor = node_random(p->mems_allowed); - p->cpuset_slab_spread_rotor = node_random(p->mems_allowed); -#endif #ifdef CONFIG_TRACE_IRQFLAGS p->irq_events = 0; #ifdef __ARCH_WANT_INTERRUPTS_ON_CTXSW diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c index b9b134b35088..5c69e996bd0f 100644 --- a/kernel/hrtimer.c +++ b/kernel/hrtimer.c @@ -89,7 +89,7 @@ static void hrtimer_get_softirq_time(struct hrtimer_cpu_base *base) do { seq = read_seqbegin(&xtime_lock); - xts = current_kernel_time(); + xts = __current_kernel_time(); tom = wall_to_monotonic; } while (read_seqretry(&xtime_lock, seq)); diff --git a/kernel/mutex.c b/kernel/mutex.c index 632f04c57d82..4c0b7b3e6d2e 100644 --- a/kernel/mutex.c +++ b/kernel/mutex.c @@ -172,6 +172,13 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass, struct thread_info *owner; /* + * If we own the BKL, then don't spin. The owner of + * the mutex might be waiting on us to release the BKL. + */ + if (unlikely(current->lock_depth >= 0)) + break; + + /* * If there's an owner, wait for it to either * release the lock or go to sleep. */ diff --git a/kernel/perf_event.c b/kernel/perf_event.c index e099650cd249..bd7ce8ca5bb9 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -4999,8 +4999,8 @@ SYSCALL_DEFINE5(perf_event_open, struct perf_event_context *ctx; struct file *event_file = NULL; struct file *group_file = NULL; + int event_fd; int fput_needed = 0; - int fput_needed2 = 0; int err; /* for future expandability... */ @@ -5021,12 +5021,18 @@ SYSCALL_DEFINE5(perf_event_open, return -EINVAL; } + event_fd = get_unused_fd_flags(O_RDWR); + if (event_fd < 0) + return event_fd; + /* * Get the target context (task or percpu): */ ctx = find_get_context(pid, cpu); - if (IS_ERR(ctx)) - return PTR_ERR(ctx); + if (IS_ERR(ctx)) { + err = PTR_ERR(ctx); + goto err_fd; + } /* * Look up the group leader (we will attach this event to it): @@ -5066,13 +5072,11 @@ SYSCALL_DEFINE5(perf_event_open, if (IS_ERR(event)) goto err_put_context; - err = anon_inode_getfd("[perf_event]", &perf_fops, event, O_RDWR); - if (err < 0) - goto err_free_put_context; - - event_file = fget_light(err, &fput_needed2); - if (!event_file) + event_file = anon_inode_getfile("[perf_event]", &perf_fops, event, O_RDWR); + if (IS_ERR(event_file)) { + err = PTR_ERR(event_file); goto err_free_put_context; + } if (flags & PERF_FLAG_FD_OUTPUT) { err = perf_event_set_output(event, group_fd); @@ -5093,19 +5097,19 @@ SYSCALL_DEFINE5(perf_event_open, list_add_tail(&event->owner_entry, ¤t->perf_event_list); mutex_unlock(¤t->perf_event_mutex); -err_fput_free_put_context: - fput_light(event_file, fput_needed2); + fput_light(group_file, fput_needed); + fd_install(event_fd, event_file); + return event_fd; +err_fput_free_put_context: + fput(event_file); err_free_put_context: - if (err < 0) - free_event(event); - + free_event(event); err_put_context: - if (err < 0) - put_ctx(ctx); - fput_light(group_file, fput_needed); - + put_ctx(ctx); +err_fd: + put_unused_fd(event_fd); return err; } diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c index 00d1fda58ab6..ad723420acc3 100644 --- a/kernel/posix-timers.c +++ b/kernel/posix-timers.c @@ -559,14 +559,7 @@ SYSCALL_DEFINE3(timer_create, const clockid_t, which_clock, new_timer->it_id = (timer_t) new_timer_id; new_timer->it_clock = which_clock; new_timer->it_overrun = -1; - error = CLOCK_DISPATCH(which_clock, timer_create, (new_timer)); - if (error) - goto out; - /* - * return the timer_id now. The next step is hard to - * back out if there is an error. - */ if (copy_to_user(created_timer_id, &new_timer_id, sizeof (new_timer_id))) { error = -EFAULT; @@ -597,6 +590,10 @@ SYSCALL_DEFINE3(timer_create, const clockid_t, which_clock, new_timer->sigq->info.si_tid = new_timer->it_id; new_timer->sigq->info.si_code = SI_TIMER; + error = CLOCK_DISPATCH(which_clock, timer_create, (new_timer)); + if (error) + goto out; + spin_lock_irq(¤t->sighand->siglock); new_timer->it_signal = current->signal; list_add(&new_timer->list, ¤t->signal->posix_timers); diff --git a/kernel/sched.c b/kernel/sched.c index 15b93f617fd7..d48408142503 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -4054,6 +4054,23 @@ int __sched wait_for_completion_killable(struct completion *x) EXPORT_SYMBOL(wait_for_completion_killable); /** + * wait_for_completion_killable_timeout: - waits for completion of a task (w/(to,killable)) + * @x: holds the state of this particular completion + * @timeout: timeout value in jiffies + * + * This waits for either a completion of a specific task to be + * signaled or for a specified timeout to expire. It can be + * interrupted by a kill signal. The timeout is in jiffies. + */ +unsigned long __sched +wait_for_completion_killable_timeout(struct completion *x, + unsigned long timeout) +{ + return wait_for_common(x, timeout, TASK_KILLABLE); +} +EXPORT_SYMBOL(wait_for_completion_killable_timeout); + +/** * try_wait_for_completion - try to decrement a completion without blocking * @x: completion structure * diff --git a/kernel/timer.c b/kernel/timer.c index e3b8c697bde4..2454172a80d3 100644 --- a/kernel/timer.c +++ b/kernel/timer.c @@ -752,11 +752,15 @@ unsigned long apply_slack(struct timer_list *timer, unsigned long expires) expires_limit = expires; - if (timer->slack > -1) + if (timer->slack >= 0) { expires_limit = expires + timer->slack; - else if (time_after(expires, jiffies)) /* auto slack: use 0.4% */ - expires_limit = expires + (expires - jiffies)/256; + } else { + unsigned long now = jiffies; + /* No slack, if already expired else auto slack 0.4% */ + if (time_after(expires, now)) + expires_limit = expires + (expires - now)/256; + } mask = expires ^ expires_limit; if (mask == 0) return expires; diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 7f6059c5aa94..1da7b6ea8b85 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -1768,6 +1768,14 @@ rb_reset_tail(struct ring_buffer_per_cpu *cpu_buffer, * must fill the old tail_page with padding. */ if (tail >= BUF_PAGE_SIZE) { + /* + * If the page was filled, then we still need + * to update the real_end. Reset it to zero + * and the reader will ignore it. + */ + if (tail == BUF_PAGE_SIZE) + tail_page->real_end = 0; + local_sub(length, &tail_page->write); return; } @@ -3894,12 +3902,12 @@ int ring_buffer_read_page(struct ring_buffer *buffer, ret = read; cpu_buffer->lost_events = 0; + + commit = local_read(&bpage->commit); /* * Set a flag in the commit field if we lost events */ if (missed_events) { - commit = local_read(&bpage->commit); - /* If there is room at the end of the page to save the * missed events, then record it there. */ @@ -3907,10 +3915,17 @@ int ring_buffer_read_page(struct ring_buffer *buffer, memcpy(&bpage->data[commit], &missed_events, sizeof(missed_events)); local_add(RB_MISSED_STORED, &bpage->commit); + commit += sizeof(missed_events); } local_add(RB_MISSED_EVENTS, &bpage->commit); } + /* + * This page may be off to user land. Zero it out here. + */ + if (commit < BUF_PAGE_SIZE) + memset(&bpage->data[commit], 0, BUF_PAGE_SIZE - commit); + out_unlock: spin_unlock_irqrestore(&cpu_buffer->reader_lock, flags); diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 55e48511d7c8..086d36316805 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -3666,7 +3666,6 @@ tracing_buffers_read(struct file *filp, char __user *ubuf, size_t count, loff_t *ppos) { struct ftrace_buffer_info *info = filp->private_data; - unsigned int pos; ssize_t ret; size_t size; @@ -3693,11 +3692,6 @@ tracing_buffers_read(struct file *filp, char __user *ubuf, if (ret < 0) return 0; - pos = ring_buffer_page_len(info->spare); - - if (pos < PAGE_SIZE) - memset(info->spare + pos, 0, PAGE_SIZE - pos); - read: size = PAGE_SIZE - info->read; if (size > count) diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index e722e9d62221..ab392d55eca1 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -528,7 +528,7 @@ config LOCKDEP bool depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT select STACKTRACE - select FRAME_POINTER if !MIPS && !PPC && !ARM_UNWIND && !S390 + select FRAME_POINTER if !MIPS && !PPC && !ARM_UNWIND && !S390 && !MICROBLAZE select KALLSYMS select KALLSYMS_ALL @@ -958,13 +958,13 @@ config FAULT_INJECTION_STACKTRACE_FILTER depends on FAULT_INJECTION_DEBUG_FS && STACKTRACE_SUPPORT depends on !X86_64 select STACKTRACE - select FRAME_POINTER if !PPC && !S390 + select FRAME_POINTER if !PPC && !S390 && !MICROBLAZE help Provide stacktrace filter for fault-injection capabilities config LATENCYTOP bool "Latency measuring infrastructure" - select FRAME_POINTER if !MIPS && !PPC && !S390 + select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE select KALLSYMS select KALLSYMS_ALL select STACKTRACE diff --git a/lib/Makefile b/lib/Makefile index c8567a59d316..3f1062cbbff4 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -21,7 +21,7 @@ lib-y += kobject.o kref.o klist.o obj-y += bcd.o div64.o sort.o parser.o halfmd4.o debug_locks.o random32.o \ bust_spinlocks.o hexdump.o kasprintf.o bitmap.o scatterlist.o \ - string_helpers.o gcd.o lcm.o list_sort.o + string_helpers.o gcd.o lcm.o list_sort.o uuid.o ifeq ($(CONFIG_DEBUG_KOBJECT),y) CFLAGS_kobject.o += -DDEBUG diff --git a/lib/atomic64_test.c b/lib/atomic64_test.c index 65e482caf5e9..9087d71537dd 100644 --- a/lib/atomic64_test.c +++ b/lib/atomic64_test.c @@ -9,6 +9,7 @@ * (at your option) any later version. */ #include <linux/init.h> +#include <linux/kernel.h> #include <asm/atomic.h> #define INIT(c) do { atomic64_set(&v, c); r = c; } while (0) diff --git a/lib/bitmap.c b/lib/bitmap.c index d7137e7e06e8..ffb78c916ccd 100644 --- a/lib/bitmap.c +++ b/lib/bitmap.c @@ -672,7 +672,7 @@ static int bitmap_pos_to_ord(const unsigned long *buf, int pos, int bits) * * The bit positions 0 through @bits are valid positions in @buf. */ -int bitmap_ord_to_pos(const unsigned long *buf, int ord, int bits) +static int bitmap_ord_to_pos(const unsigned long *buf, int ord, int bits) { int pos = 0; diff --git a/lib/uuid.c b/lib/uuid.c new file mode 100644 index 000000000000..8fadd7cef46c --- /dev/null +++ b/lib/uuid.c @@ -0,0 +1,53 @@ +/* + * Unified UUID/GUID definition + * + * Copyright (C) 2009, Intel Corp. + * Huang Ying <ying.huang@intel.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation; + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/uuid.h> +#include <linux/random.h> + +static void __uuid_gen_common(__u8 b[16]) +{ + int i; + u32 r; + + for (i = 0; i < 4; i++) { + r = random32(); + memcpy(b + i * 4, &r, 4); + } + /* reversion 0b10 */ + b[8] = (b[8] & 0x3F) | 0x80; +} + +void uuid_le_gen(uuid_le *lu) +{ + __uuid_gen_common(lu->b); + /* version 4 : random generation */ + lu->b[7] = (lu->b[7] & 0x0F) | 0x40; +} +EXPORT_SYMBOL_GPL(uuid_le_gen); + +void uuid_be_gen(uuid_be *bu) +{ + __uuid_gen_common(bu->b); + /* version 4 : random generation */ + bu->b[6] = (bu->b[6] & 0x0F) | 0x40; +} +EXPORT_SYMBOL_GPL(uuid_be_gen); diff --git a/mm/filemap.c b/mm/filemap.c index 45a2d18df849..20e5642e9f9f 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -151,6 +151,7 @@ void remove_from_page_cache(struct page *page) spin_unlock_irq(&mapping->tree_lock); mem_cgroup_uncharge_cache_page(page); } +EXPORT_SYMBOL(remove_from_page_cache); static int sync_page(void *word) { diff --git a/mm/shmem.c b/mm/shmem.c index 855eaf5b8d5b..7e5030ae18ff 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -727,10 +727,11 @@ done2: if (inode->i_mapping->nrpages && (info->flags & SHMEM_PAGEIN)) { /* * Call truncate_inode_pages again: racing shmem_unuse_inode - * may have swizzled a page in from swap since vmtruncate or - * generic_delete_inode did it, before we lowered next_index. - * Also, though shmem_getpage checks i_size before adding to - * cache, no recheck after: so fix the narrow window there too. + * may have swizzled a page in from swap since + * truncate_pagecache or generic_delete_inode did it, before we + * lowered next_index. Also, though shmem_getpage checks + * i_size before adding to cache, no recheck after: so fix the + * narrow window there too. * * Recalling truncate_inode_pages_range and unmap_mapping_range * every time for punch_hole (which never got a chance to clear @@ -760,19 +761,16 @@ done2: } } -static void shmem_truncate(struct inode *inode) -{ - shmem_truncate_range(inode, inode->i_size, (loff_t)-1); -} - static int shmem_notify_change(struct dentry *dentry, struct iattr *attr) { struct inode *inode = dentry->d_inode; - struct page *page = NULL; int error; if (S_ISREG(inode->i_mode) && (attr->ia_valid & ATTR_SIZE)) { - if (attr->ia_size < inode->i_size) { + loff_t newsize = attr->ia_size; + struct page *page = NULL; + + if (newsize < inode->i_size) { /* * If truncating down to a partial page, then * if that page is already allocated, hold it @@ -780,9 +778,9 @@ static int shmem_notify_change(struct dentry *dentry, struct iattr *attr) * truncate_partial_page cannnot miss it were * it assigned to swap. */ - if (attr->ia_size & (PAGE_CACHE_SIZE-1)) { + if (newsize & (PAGE_CACHE_SIZE-1)) { (void) shmem_getpage(inode, - attr->ia_size>>PAGE_CACHE_SHIFT, + newsize >> PAGE_CACHE_SHIFT, &page, SGP_READ, NULL); if (page) unlock_page(page); @@ -794,24 +792,29 @@ static int shmem_notify_change(struct dentry *dentry, struct iattr *attr) * if it's being fully truncated to zero-length: the * nrpages check is efficient enough in that case. */ - if (attr->ia_size) { + if (newsize) { struct shmem_inode_info *info = SHMEM_I(inode); spin_lock(&info->lock); info->flags &= ~SHMEM_PAGEIN; spin_unlock(&info->lock); } } + + error = simple_setsize(inode, newsize); + if (page) + page_cache_release(page); + if (error) + return error; + shmem_truncate_range(inode, newsize, (loff_t)-1); } error = inode_change_ok(inode, attr); if (!error) - error = inode_setattr(inode, attr); + generic_setattr(inode, attr); #ifdef CONFIG_TMPFS_POSIX_ACL if (!error && (attr->ia_valid & ATTR_MODE)) error = generic_acl_chmod(inode); #endif - if (page) - page_cache_release(page); return error; } @@ -819,11 +822,11 @@ static void shmem_delete_inode(struct inode *inode) { struct shmem_inode_info *info = SHMEM_I(inode); - if (inode->i_op->truncate == shmem_truncate) { + if (inode->i_mapping->a_ops == &shmem_aops) { truncate_inode_pages(inode->i_mapping, 0); shmem_unacct_size(info->flags, inode->i_size); inode->i_size = 0; - shmem_truncate(inode); + shmem_truncate_range(inode, 0, (loff_t)-1); if (!list_empty(&info->swaplist)) { mutex_lock(&shmem_swaplist_mutex); list_del_init(&info->swaplist); @@ -2022,7 +2025,6 @@ static const struct inode_operations shmem_symlink_inline_operations = { }; static const struct inode_operations shmem_symlink_inode_operations = { - .truncate = shmem_truncate, .readlink = generic_readlink, .follow_link = shmem_follow_link, .put_link = shmem_put_link, @@ -2433,14 +2435,13 @@ static const struct file_operations shmem_file_operations = { .write = do_sync_write, .aio_read = shmem_file_aio_read, .aio_write = generic_file_aio_write, - .fsync = simple_sync_file, + .fsync = noop_fsync, .splice_read = generic_file_splice_read, .splice_write = generic_file_splice_write, #endif }; static const struct inode_operations shmem_inode_operations = { - .truncate = shmem_truncate, .setattr = shmem_notify_change, .truncate_range = shmem_truncate_range, #ifdef CONFIG_TMPFS_POSIX_ACL diff --git a/mm/slub.c b/mm/slub.c index 26f0cb9cc584..578f68f3c51f 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -2137,7 +2137,7 @@ static void free_kmem_cache_nodes(struct kmem_cache *s) for_each_node_state(node, N_NORMAL_MEMORY) { struct kmem_cache_node *n = s->node[node]; - if (n && n != &s->local_node) + if (n) kmem_cache_free(kmalloc_caches, n); s->node[node] = NULL; } @@ -2146,33 +2146,22 @@ static void free_kmem_cache_nodes(struct kmem_cache *s) static int init_kmem_cache_nodes(struct kmem_cache *s, gfp_t gfpflags) { int node; - int local_node; - - if (slab_state >= UP && (s < kmalloc_caches || - s >= kmalloc_caches + KMALLOC_CACHES)) - local_node = page_to_nid(virt_to_page(s)); - else - local_node = 0; for_each_node_state(node, N_NORMAL_MEMORY) { struct kmem_cache_node *n; - if (local_node == node) - n = &s->local_node; - else { - if (slab_state == DOWN) { - early_kmem_cache_node_alloc(gfpflags, node); - continue; - } - n = kmem_cache_alloc_node(kmalloc_caches, - gfpflags, node); - - if (!n) { - free_kmem_cache_nodes(s); - return 0; - } + if (slab_state == DOWN) { + early_kmem_cache_node_alloc(gfpflags, node); + continue; + } + n = kmem_cache_alloc_node(kmalloc_caches, + gfpflags, node); + if (!n) { + free_kmem_cache_nodes(s); + return 0; } + s->node[node] = n; init_kmem_cache_node(n, s); } diff --git a/mm/swap.c b/mm/swap.c index 7cd60bf0a972..3ce7bc373a52 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -224,6 +224,7 @@ void __lru_cache_add(struct page *page, enum lru_list lru) ____pagevec_lru_add(pvec, lru); put_cpu_var(lru_add_pvecs); } +EXPORT_SYMBOL(__lru_cache_add); /** * lru_cache_add_lru - add a page to a page list diff --git a/mm/truncate.c b/mm/truncate.c index f42675a3615d..937571b8b233 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -548,18 +548,18 @@ EXPORT_SYMBOL(truncate_pagecache); * NOTE! We have to be ready to update the memory sharing * between the file and the memory map for a potential last * incomplete page. Ugly, but necessary. + * + * This function is deprecated and simple_setsize or truncate_pagecache + * should be used instead. */ int vmtruncate(struct inode *inode, loff_t offset) { - loff_t oldsize; int error; - error = inode_newsize_ok(inode, offset); + error = simple_setsize(inode, offset); if (error) return error; - oldsize = inode->i_size; - i_size_write(inode, offset); - truncate_pagecache(inode, oldsize, offset); + if (inode->i_op->truncate) inode->i_op->truncate(inode); diff --git a/net/caif/cfserl.c b/net/caif/cfserl.c index cb4325a3dc83..965c5baace40 100644 --- a/net/caif/cfserl.c +++ b/net/caif/cfserl.c @@ -59,16 +59,18 @@ static int cfserl_receive(struct cflayer *l, struct cfpkt *newpkt) u8 stx = CFSERL_STX; int ret; u16 expectlen = 0; + caif_assert(newpkt != NULL); spin_lock(&layr->sync); if (layr->incomplete_frm != NULL) { - layr->incomplete_frm = cfpkt_append(layr->incomplete_frm, newpkt, expectlen); pkt = layr->incomplete_frm; - if (pkt == NULL) + if (pkt == NULL) { + spin_unlock(&layr->sync); return -ENOMEM; + } } else { pkt = newpkt; } diff --git a/net/core/datagram.c b/net/core/datagram.c index e0097531417a..f5b6f43a4c2e 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -229,15 +229,17 @@ EXPORT_SYMBOL(skb_free_datagram); void skb_free_datagram_locked(struct sock *sk, struct sk_buff *skb) { + bool slow; + if (likely(atomic_read(&skb->users) == 1)) smp_rmb(); else if (likely(!atomic_dec_and_test(&skb->users))) return; - lock_sock_bh(sk); + slow = lock_sock_fast(sk); skb_orphan(skb); sk_mem_reclaim_partial(sk); - unlock_sock_bh(sk); + unlock_sock_fast(sk, slow); /* skb is now orphaned, can be freed outside of locked section */ __kfree_skb(skb); diff --git a/net/core/neighbour.c b/net/core/neighbour.c index bff37908bd55..6ba1c0eece03 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -934,6 +934,7 @@ int __neigh_event_send(struct neighbour *neigh, struct sk_buff *skb) kfree_skb(buff); NEIGH_CACHE_STAT_INC(neigh->tbl, unres_discards); } + skb_dst_force(skb); __skb_queue_tail(&neigh->arp_queue, skb); } rc = 1; diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 7ab86f3a1ea4..1a2af24e9e3d 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -650,11 +650,12 @@ static inline int rtnl_vfinfo_size(const struct net_device *dev) if (dev->dev.parent && dev_is_pci(dev->dev.parent)) { int num_vfs = dev_num_vf(dev->dev.parent); - size_t size = nlmsg_total_size(sizeof(struct nlattr)); - size += nlmsg_total_size(num_vfs * sizeof(struct nlattr)); - size += num_vfs * (sizeof(struct ifla_vf_mac) + - sizeof(struct ifla_vf_vlan) + - sizeof(struct ifla_vf_tx_rate)); + size_t size = nla_total_size(sizeof(struct nlattr)); + size += nla_total_size(num_vfs * sizeof(struct nlattr)); + size += num_vfs * + (nla_total_size(sizeof(struct ifla_vf_mac)) + + nla_total_size(sizeof(struct ifla_vf_vlan)) + + nla_total_size(sizeof(struct ifla_vf_tx_rate))); return size; } else return 0; @@ -722,14 +723,13 @@ static int rtnl_vf_ports_fill(struct sk_buff *skb, struct net_device *dev) for (vf = 0; vf < dev_num_vf(dev->dev.parent); vf++) { vf_port = nla_nest_start(skb, IFLA_VF_PORT); - if (!vf_port) { - nla_nest_cancel(skb, vf_ports); - return -EMSGSIZE; - } + if (!vf_port) + goto nla_put_failure; NLA_PUT_U32(skb, IFLA_PORT_VF, vf); err = dev->netdev_ops->ndo_get_vf_port(dev, vf, skb); + if (err == -EMSGSIZE) + goto nla_put_failure; if (err) { -nla_put_failure: nla_nest_cancel(skb, vf_port); continue; } @@ -739,6 +739,10 @@ nla_put_failure: nla_nest_end(skb, vf_ports); return 0; + +nla_put_failure: + nla_nest_cancel(skb, vf_ports); + return -EMSGSIZE; } static int rtnl_port_self_fill(struct sk_buff *skb, struct net_device *dev) @@ -753,7 +757,7 @@ static int rtnl_port_self_fill(struct sk_buff *skb, struct net_device *dev) err = dev->netdev_ops->ndo_get_vf_port(dev, PORT_SELF_VF, skb); if (err) { nla_nest_cancel(skb, port_self); - return err; + return (err == -EMSGSIZE) ? err : 0; } nla_nest_end(skb, port_self); diff --git a/net/core/skbuff.c b/net/core/skbuff.c index f8abf68e3988..4e7ac09c281a 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -482,22 +482,22 @@ EXPORT_SYMBOL(consume_skb); * reference count dropping and cleans up the skbuff as if it * just came from __alloc_skb(). */ -int skb_recycle_check(struct sk_buff *skb, int skb_size) +bool skb_recycle_check(struct sk_buff *skb, int skb_size) { struct skb_shared_info *shinfo; if (irqs_disabled()) - return 0; + return false; if (skb_is_nonlinear(skb) || skb->fclone != SKB_FCLONE_UNAVAILABLE) - return 0; + return false; skb_size = SKB_DATA_ALIGN(skb_size + NET_SKB_PAD); if (skb_end_pointer(skb) - skb->head < skb_size) - return 0; + return false; if (skb_shared(skb) || skb_cloned(skb)) - return 0; + return false; skb_release_head_state(skb); @@ -509,7 +509,7 @@ int skb_recycle_check(struct sk_buff *skb, int skb_size) skb->data = skb->head + NET_SKB_PAD; skb_reset_tail_pointer(skb); - return 1; + return true; } EXPORT_SYMBOL(skb_recycle_check); @@ -2996,7 +2996,11 @@ void skb_tstamp_tx(struct sk_buff *orig_skb, memset(serr, 0, sizeof(*serr)); serr->ee.ee_errno = ENOMSG; serr->ee.ee_origin = SO_EE_ORIGIN_TIMESTAMPING; + + bh_lock_sock(sk); err = sock_queue_err_skb(sk, skb); + bh_unlock_sock(sk); + if (err) kfree_skb(skb); } diff --git a/net/core/sock.c b/net/core/sock.c index 37fe9b6adade..2cf7f9f7e775 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -2007,6 +2007,39 @@ void release_sock(struct sock *sk) } EXPORT_SYMBOL(release_sock); +/** + * lock_sock_fast - fast version of lock_sock + * @sk: socket + * + * This version should be used for very small section, where process wont block + * return false if fast path is taken + * sk_lock.slock locked, owned = 0, BH disabled + * return true if slow path is taken + * sk_lock.slock unlocked, owned = 1, BH enabled + */ +bool lock_sock_fast(struct sock *sk) +{ + might_sleep(); + spin_lock_bh(&sk->sk_lock.slock); + + if (!sk->sk_lock.owned) + /* + * Note : We must disable BH + */ + return false; + + __lock_sock(sk); + sk->sk_lock.owned = 1; + spin_unlock(&sk->sk_lock.slock); + /* + * The sk_lock has mutex_lock() semantics here: + */ + mutex_acquire(&sk->sk_lock.dep_map, 0, 0, _RET_IP_); + local_bh_enable(); + return true; +} +EXPORT_SYMBOL(lock_sock_fast); + int sock_get_timestamp(struct sock *sk, struct timeval __user *userstamp) { struct timeval tv; diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index 45889103b3e2..856123fe32f9 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -1911,7 +1911,7 @@ static int __ipmr_fill_mroute(struct mr_table *mrt, struct sk_buff *skb, struct rtattr *mp_head; /* If cache is unresolved, don't try to parse IIF and OIF */ - if (c->mfc_parent > MAXVIFS) + if (c->mfc_parent >= MAXVIFS) return -ENOENT; if (VIF_EXISTS(mrt, c->mfc_parent)) diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index baeec29fe0f1..50678f9a2763 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -634,7 +634,9 @@ void __udp4_lib_err(struct sk_buff *skb, u32 info, struct udp_table *udptable) if (!harderr || sk->sk_state != TCP_ESTABLISHED) goto out; } else { + bh_lock_sock(sk); ip_icmp_error(sk, skb, err, uh->dest, info, (u8 *)(uh+1)); + bh_unlock_sock(sk); } sk->sk_err = err; sk->sk_error_report(sk); @@ -1063,10 +1065,11 @@ static unsigned int first_packet_length(struct sock *sk) spin_unlock_bh(&rcvq->lock); if (!skb_queue_empty(&list_kill)) { - lock_sock_bh(sk); + bool slow = lock_sock_fast(sk); + __skb_queue_purge(&list_kill); sk_mem_reclaim_partial(sk); - unlock_sock_bh(sk); + unlock_sock_fast(sk, slow); } return res; } @@ -1123,6 +1126,7 @@ int udp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, int peeked; int err; int is_udplite = IS_UDPLITE(sk); + bool slow; /* * Check any passed addresses @@ -1197,10 +1201,10 @@ out: return err; csum_copy_err: - lock_sock_bh(sk); + slow = lock_sock_fast(sk); if (!skb_kill_datagram(sk, skb, flags)) UDP_INC_STATS_USER(sock_net(sk), UDP_MIB_INERRORS, is_udplite); - unlock_sock_bh(sk); + unlock_sock_fast(sk, slow); if (noblock) return -EAGAIN; @@ -1625,9 +1629,9 @@ int udp_rcv(struct sk_buff *skb) void udp_destroy_sock(struct sock *sk) { - lock_sock_bh(sk); + bool slow = lock_sock_fast(sk); udp_flush_pending_frames(sk); - unlock_sock_bh(sk); + unlock_sock_fast(sk, slow); } /* diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index cd963f64e27c..89425af0684c 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -507,7 +507,7 @@ int ip6_forward(struct sk_buff *skb) if (mtu < IPV6_MIN_MTU) mtu = IPV6_MIN_MTU; - if (skb->len > mtu) { + if (skb->len > mtu && !skb_is_gso(skb)) { /* Again, force OUTPUT device used as source address */ skb->dev = dst->dev; icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu); diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index bd9e7d3e9c8e..073071f2b75b 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -2017,7 +2017,7 @@ static int __ip6mr_fill_mroute(struct mr6_table *mrt, struct sk_buff *skb, struct rtattr *mp_head; /* If cache is unresolved, don't try to parse IIF and OIF */ - if (c->mf6c_parent > MAXMIFS) + if (c->mf6c_parent >= MAXMIFS) return -ENOENT; if (MIF_EXISTS(mrt, c->mf6c_parent)) diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 294cbe8b0725..252d76199c41 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -814,7 +814,7 @@ struct dst_entry * ip6_route_output(struct net *net, struct sock *sk, { int flags = 0; - if (fl->oif || rt6_need_strict(&fl->fl6_dst)) + if ((sk && sk->sk_bound_dev_if) || rt6_need_strict(&fl->fl6_dst)) flags |= RT6_LOOKUP_F_IFACE; if (!ipv6_addr_any(&fl->fl6_src)) diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 3d7a2c0b836a..3048f906c042 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -328,6 +328,7 @@ int udpv6_recvmsg(struct kiocb *iocb, struct sock *sk, int err; int is_udplite = IS_UDPLITE(sk); int is_udp4; + bool slow; if (addr_len) *addr_len=sizeof(struct sockaddr_in6); @@ -424,7 +425,7 @@ out: return err; csum_copy_err: - lock_sock_bh(sk); + slow = lock_sock_fast(sk); if (!skb_kill_datagram(sk, skb, flags)) { if (is_udp4) UDP_INC_STATS_USER(sock_net(sk), @@ -433,7 +434,7 @@ csum_copy_err: UDP6_INC_STATS_USER(sock_net(sk), UDP_MIB_INERRORS, is_udplite); } - unlock_sock_bh(sk); + unlock_sock_fast(sk, slow); if (flags & MSG_DONTWAIT) return -EAGAIN; @@ -465,9 +466,11 @@ void __udp6_lib_err(struct sk_buff *skb, struct inet6_skb_parm *opt, if (sk->sk_state != TCP_ESTABLISHED && !np->recverr) goto out; - if (np->recverr) + if (np->recverr) { + bh_lock_sock(sk); ipv6_icmp_error(sk, skb, err, uh->dest, ntohl(info), (u8 *)(uh+1)); - + bh_unlock_sock(sk); + } sk->sk_err = err; sk->sk_error_report(sk); out: diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c index c8b4599a752e..9637e45744fa 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -1619,7 +1619,7 @@ static void iucv_callback_rx(struct iucv_path *path, struct iucv_message *msg) save_message: save_msg = kzalloc(sizeof(struct sock_msg_q), GFP_ATOMIC | GFP_DMA); if (!save_msg) - return; + goto out_unlock; save_msg->path = path; save_msg->msg = *msg; diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c index 5d218c530a4e..32be11e4c4d9 100644 --- a/net/mac80211/chan.c +++ b/net/mac80211/chan.c @@ -5,7 +5,7 @@ #include <linux/nl80211.h> #include "ieee80211_i.h" -enum ieee80211_chan_mode +static enum ieee80211_chan_mode __ieee80211_get_channel_mode(struct ieee80211_local *local, struct ieee80211_sub_if_data *ignore) { diff --git a/net/netfilter/xt_TEE.c b/net/netfilter/xt_TEE.c index d7920d9f49e9..859d9fd429c8 100644 --- a/net/netfilter/xt_TEE.c +++ b/net/netfilter/xt_TEE.c @@ -76,7 +76,7 @@ tee_tg_route4(struct sk_buff *skb, const struct xt_tee_tginfo *info) if (ip_route_output_key(net, &rt, &fl) != 0) return false; - dst_release(skb_dst(skb)); + skb_dst_drop(skb); skb_dst_set(skb, &rt->u.dst); skb->dev = rt->u.dst.dev; skb->protocol = htons(ETH_P_IP); @@ -157,7 +157,7 @@ tee_tg_route6(struct sk_buff *skb, const struct xt_tee_tginfo *info) if (dst == NULL) return false; - dst_release(skb_dst(skb)); + skb_dst_drop(skb); skb_dst_set(skb, dst); skb->dev = dst->dev; skb->protocol = htons(ETH_P_IPV6); diff --git a/net/phonet/pep.c b/net/phonet/pep.c index 7b048a35ca58..94d72e85a475 100644 --- a/net/phonet/pep.c +++ b/net/phonet/pep.c @@ -1045,12 +1045,12 @@ static void pep_sock_unhash(struct sock *sk) lock_sock(sk); if ((1 << sk->sk_state) & ~(TCPF_CLOSE|TCPF_LISTEN)) { skparent = pn->listener; - sk_del_node_init(sk); release_sock(sk); - sk = skparent; pn = pep_sk(skparent); - lock_sock(sk); + lock_sock(skparent); + sk_del_node_init(sk); + sk = skparent; } /* Unhash a listening sock only when it is closed * and all of its active connected pipes are closed. */ diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c index 10ed0d55f759..f68832798db2 100644 --- a/net/rds/ib_cm.c +++ b/net/rds/ib_cm.c @@ -475,6 +475,7 @@ int rds_ib_cm_handle_connect(struct rdma_cm_id *cm_id, err = rds_ib_setup_qp(conn); if (err) { rds_ib_conn_error(conn, "rds_ib_setup_qp failed (%d)\n", err); + mutex_unlock(&conn->c_cm_lock); goto out; } diff --git a/net/rds/iw_cm.c b/net/rds/iw_cm.c index a9d951b4fbae..b5dd6ac39be8 100644 --- a/net/rds/iw_cm.c +++ b/net/rds/iw_cm.c @@ -452,6 +452,7 @@ int rds_iw_cm_handle_connect(struct rdma_cm_id *cm_id, err = rds_iw_setup_qp(conn); if (err) { rds_iw_conn_error(conn, "rds_iw_setup_qp failed (%d)\n", err); + mutex_unlock(&conn->c_cm_lock); goto out; } diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl index afbd54ac1d83..c70a27d924f0 100644 --- a/scripts/kconfig/streamline_config.pl +++ b/scripts/kconfig/streamline_config.pl @@ -115,7 +115,9 @@ my $ksource = $ARGV[0]; my $kconfig = $ARGV[1]; my $lsmod_file = $ARGV[2]; -my @makefiles = `find $ksource -name Makefile`; +my @makefiles = `find $ksource -name Makefile 2>/dev/null`; +chomp @makefiles; + my %depends; my %selects; my %prompts; @@ -215,7 +217,6 @@ if ($kconfig) { # Read all Makefiles to map the configs to the objects foreach my $makefile (@makefiles) { - chomp $makefile; open(MIN,$makefile) || die "Can't open $makefile"; while (<MIN>) { @@ -242,7 +243,7 @@ foreach my $makefile (@makefiles) { foreach my $obj (split /\s+/,$objs) { $obj =~ s/-/_/g; if ($obj =~ /(.*)\.o$/) { - # Objects may bes enabled by more than one config. + # Objects may be enabled by more than one config. # Store configs in an array. my @arr; @@ -307,7 +308,7 @@ close (LIN); my %configs; foreach my $module (keys(%modules)) { if (defined($objects{$module})) { - @arr = @{$objects{$module}}; + my @arr = @{$objects{$module}}; foreach my $conf (@arr) { $configs{$conf} = $module; } diff --git a/sound/mips/au1x00.c b/sound/mips/au1x00.c index 3e763d6a5d67..446cf9748664 100644 --- a/sound/mips/au1x00.c +++ b/sound/mips/au1x00.c @@ -516,6 +516,7 @@ get the interrupt driven case to work efficiently */ break; if (i == 0x5000) { printk(KERN_ERR "au1000 AC97: AC97 command read timeout\n"); + spin_unlock(&au1000->ac97_lock); return 0; } diff --git a/sound/oss/dmasound/dmasound_atari.c b/sound/oss/dmasound/dmasound_atari.c index 1f4774123064..13c214466d3b 100644 --- a/sound/oss/dmasound/dmasound_atari.c +++ b/sound/oss/dmasound/dmasound_atari.c @@ -1277,7 +1277,7 @@ static irqreturn_t AtaInterrupt(int irq, void *dummy) * (almost) like on the TT. */ write_sq_ignore_int = 0; - return IRQ_HANDLED; + goto out; } if (!write_sq.active) { @@ -1285,7 +1285,7 @@ static irqreturn_t AtaInterrupt(int irq, void *dummy) * the sq variables, so better don't do anything here. */ WAKE_UP(write_sq.sync_queue); - return IRQ_HANDLED; + goto out; } /* Probably ;) one frame is finished. Well, in fact it may be that a @@ -1322,6 +1322,7 @@ static irqreturn_t AtaInterrupt(int irq, void *dummy) /* We are not playing after AtaPlay(), so there is nothing to play any more. Wake up a process waiting for audio output to drain. */ +out: spin_unlock(&dmasound.lock); return IRQ_HANDLED; } diff --git a/sound/pci/asihpi/hpi.h b/sound/pci/asihpi/hpi.h index 99400de6c075..0173bbe62b67 100644 --- a/sound/pci/asihpi/hpi.h +++ b/sound/pci/asihpi/hpi.h @@ -50,7 +50,7 @@ i.e 3.05.02 is a development version #define HPI_VER_RELEASE(v) ((int)(v & 0xFF)) /* Use single digits for versions less that 10 to avoid octal. */ -#define HPI_VER HPI_VERSION_CONSTRUCTOR(4L, 3, 18) +#define HPI_VER HPI_VERSION_CONSTRUCTOR(4L, 3, 25) /* Library version as documented in hpi-api-versions.txt */ #define HPI_LIB_VER HPI_VERSION_CONSTRUCTOR(9, 0, 0) @@ -1632,6 +1632,12 @@ u16 hpi_tuner_get_hd_radio_sdk_version(const struct hpi_hsubsys *ph_subsys, u16 hpi_tuner_get_hd_radio_signal_quality(const struct hpi_hsubsys *ph_subsys, u32 h_control, u32 *pquality); +u16 hpi_tuner_get_hd_radio_signal_blend(const struct hpi_hsubsys *ph_subsys, + u32 h_control, u32 *pblend); + +u16 hpi_tuner_set_hd_radio_signal_blend(const struct hpi_hsubsys *ph_subsys, + u32 h_control, const u32 blend); + /****************************/ /* PADs control */ /****************************/ diff --git a/sound/pci/asihpi/hpi6000.c b/sound/pci/asihpi/hpi6000.c index 839ecb2e4b64..12dab5e4892c 100644 --- a/sound/pci/asihpi/hpi6000.c +++ b/sound/pci/asihpi/hpi6000.c @@ -691,9 +691,6 @@ static short hpi6000_adapter_boot_load_dsp(struct hpi_adapter_obj *pao, case 0x6200: boot_load_family = HPI_ADAPTER_FAMILY_ASI(0x6200); break; - case 0x8800: - boot_load_family = HPI_ADAPTER_FAMILY_ASI(0x8800); - break; default: return HPI6000_ERROR_UNHANDLED_SUBSYS_ID; } @@ -1775,7 +1772,6 @@ static void hw_message(struct hpi_adapter_obj *pao, struct hpi_message *phm, u16 error = 0; u16 dsp_index = 0; u16 num_dsp = ((struct hpi_hw_obj *)pao->priv)->num_dsp; - hpios_dsplock_lock(pao); if (num_dsp < 2) dsp_index = 0; @@ -1796,6 +1792,8 @@ static void hw_message(struct hpi_adapter_obj *pao, struct hpi_message *phm, } } } + + hpios_dsplock_lock(pao); error = hpi6000_message_response_sequence(pao, dsp_index, phm, phr); /* maybe an error response */ diff --git a/sound/pci/asihpi/hpi6205.c b/sound/pci/asihpi/hpi6205.c index 5e88c1fc2b9e..e89991ea3543 100644 --- a/sound/pci/asihpi/hpi6205.c +++ b/sound/pci/asihpi/hpi6205.c @@ -966,23 +966,16 @@ static void outstream_write(struct hpi_adapter_obj *pao, status = &interface->outstream_host_buffer_status[phm->obj_index]; if (phw->flag_outstream_just_reset[phm->obj_index]) { - /* Format can only change after reset. Must tell DSP. */ - u16 function = phm->function; - phw->flag_outstream_just_reset[phm->obj_index] = 0; - phm->function = HPI_OSTREAM_SET_FORMAT; - hw_message(pao, phm, phr); /* send the format to the DSP */ - phm->function = function; - if (phr->error) - return; - } -#if 1 - if (phw->flag_outstream_just_reset[phm->obj_index]) { /* First OutStremWrite() call following reset will write data to the - adapter's buffers, reducing delay before stream can start + adapter's buffers, reducing delay before stream can start. The DSP + takes care of setting the stream data format using format information + embedded in phm. */ int partial_write = 0; unsigned int original_size = 0; + phw->flag_outstream_just_reset[phm->obj_index] = 0; + /* Send the first buffer to the DSP the old way. */ /* Limit size of first transfer - */ /* expect that this will not usually be triggered. */ @@ -1012,7 +1005,6 @@ static void outstream_write(struct hpi_adapter_obj *pao, original_size - HPI6205_SIZEOF_DATA; phm->u.d.u.data.pb_data += HPI6205_SIZEOF_DATA; } -#endif space_available = outstream_get_space_available(status); if (space_available < (long)phm->u.d.u.data.data_size) { @@ -1369,6 +1361,9 @@ static u16 adapter_boot_load_dsp(struct hpi_adapter_obj *pao, case HPI_ADAPTER_FAMILY_ASI(0x6500): firmware_id = HPI_ADAPTER_FAMILY_ASI(0x6600); break; + case HPI_ADAPTER_FAMILY_ASI(0x8800): + firmware_id = HPI_ADAPTER_FAMILY_ASI(0x8900); + break; } boot_code_id[1] = firmware_id; diff --git a/sound/pci/asihpi/hpi_internal.h b/sound/pci/asihpi/hpi_internal.h index f1cd6f1a0d44..fdd0ce02aa68 100644 --- a/sound/pci/asihpi/hpi_internal.h +++ b/sound/pci/asihpi/hpi_internal.h @@ -232,6 +232,8 @@ enum HPI_BUSES { #define HPI_TUNER_HDRADIO_SDK_VERSION HPI_CTL_ATTR(TUNER, 13) /** HD Radio DSP firmware version. */ #define HPI_TUNER_HDRADIO_DSP_VERSION HPI_CTL_ATTR(TUNER, 14) +/** HD Radio signal blend (force analog, or automatic). */ +#define HPI_TUNER_HDRADIO_BLEND HPI_CTL_ATTR(TUNER, 15) /** \} */ @@ -478,8 +480,10 @@ Threshold is a -ve number in units of dB/100, /** First 2 hex digits define the adapter family */ #define HPI_ADAPTER_FAMILY_MASK 0xff00 +#define HPI_MODULE_FAMILY_MASK 0xfff0 #define HPI_ADAPTER_FAMILY_ASI(f) (f & HPI_ADAPTER_FAMILY_MASK) +#define HPI_MODULE_FAMILY_ASI(f) (f & HPI_MODULE_FAMILY_MASK) #define HPI_ADAPTER_ASI(f) (f) /******************************************* message types */ @@ -970,6 +974,7 @@ struct hpi_control_union_msg { u32 mode; u32 value; } mode; + u32 blend; } tuner; } u; }; diff --git a/sound/pci/asihpi/hpicmn.c b/sound/pci/asihpi/hpicmn.c index 565102cae4f8..fcd64539d9ef 100644 --- a/sound/pci/asihpi/hpicmn.c +++ b/sound/pci/asihpi/hpicmn.c @@ -347,20 +347,15 @@ short hpi_check_control_cache(struct hpi_control_cache *p_cache, found = 0; break; case HPI_CONTROL_TUNER: - { - struct hpi_control_cache_single *pCT = - (struct hpi_control_cache_single *)pI; - if (phm->u.c.attribute == HPI_TUNER_FREQ) - phr->u.c.param1 = pCT->u.t.freq_ink_hz; - else if (phm->u.c.attribute == HPI_TUNER_BAND) - phr->u.c.param1 = pCT->u.t.band; - else if ((phm->u.c.attribute == HPI_TUNER_LEVEL) - && (phm->u.c.param1 == - HPI_TUNER_LEVEL_AVERAGE)) - phr->u.c.param1 = pCT->u.t.level; - else - found = 0; - } + if (phm->u.c.attribute == HPI_TUNER_FREQ) + phr->u.c.param1 = pC->u.t.freq_ink_hz; + else if (phm->u.c.attribute == HPI_TUNER_BAND) + phr->u.c.param1 = pC->u.t.band; + else if ((phm->u.c.attribute == HPI_TUNER_LEVEL) + && (phm->u.c.param1 == HPI_TUNER_LEVEL_AVERAGE)) + phr->u.c.param1 = pC->u.t.level; + else + found = 0; break; case HPI_CONTROL_AESEBU_RECEIVER: if (phm->u.c.attribute == HPI_AESEBURX_ERRORSTATUS) @@ -503,6 +498,9 @@ void hpi_sync_control_cache(struct hpi_control_cache *p_cache, struct hpi_control_cache_single *pC; struct hpi_control_cache_info *pI; + if (phr->error) + return; + if (!find_control(phm, p_cache, &pI, &control_index)) return; @@ -520,8 +518,6 @@ void hpi_sync_control_cache(struct hpi_control_cache *p_cache, break; case HPI_CONTROL_MULTIPLEXER: /* mux does not return its setting on Set command. */ - if (phr->error) - return; if (phm->u.c.attribute == HPI_MULTIPLEXER_SOURCE) { pC->u.x.source_node_type = (u16)phm->u.c.param1; pC->u.x.source_node_index = (u16)phm->u.c.param2; @@ -529,8 +525,6 @@ void hpi_sync_control_cache(struct hpi_control_cache *p_cache, break; case HPI_CONTROL_CHANNEL_MODE: /* mode does not return its setting on Set command. */ - if (phr->error) - return; if (phm->u.c.attribute == HPI_CHANNEL_MODE_MODE) pC->u.m.mode = (u16)phm->u.c.param1; break; @@ -545,20 +539,14 @@ void hpi_sync_control_cache(struct hpi_control_cache *p_cache, pC->u.phantom_power.state = (u16)phm->u.c.param1; break; case HPI_CONTROL_AESEBU_TRANSMITTER: - if (phr->error) - return; if (phm->u.c.attribute == HPI_AESEBUTX_FORMAT) pC->u.aes3tx.format = phm->u.c.param1; break; case HPI_CONTROL_AESEBU_RECEIVER: - if (phr->error) - return; if (phm->u.c.attribute == HPI_AESEBURX_FORMAT) pC->u.aes3rx.source = phm->u.c.param1; break; case HPI_CONTROL_SAMPLECLOCK: - if (phr->error) - return; if (phm->u.c.attribute == HPI_SAMPLECLOCK_SOURCE) pC->u.clk.source = (u16)phm->u.c.param1; else if (phm->u.c.attribute == HPI_SAMPLECLOCK_SOURCE_INDEX) @@ -590,7 +578,7 @@ struct hpi_control_cache *hpi_alloc_control_cache(const u32 void hpi_free_control_cache(struct hpi_control_cache *p_cache) { - if ((p_cache->init) && (p_cache->p_info)) { + if (p_cache->init) { kfree(p_cache->p_info); p_cache->p_info = NULL; p_cache->init = 0; diff --git a/sound/pci/asihpi/hpifunc.c b/sound/pci/asihpi/hpifunc.c index eda26b312324..298eef3e20e9 100644 --- a/sound/pci/asihpi/hpifunc.c +++ b/sound/pci/asihpi/hpifunc.c @@ -2946,6 +2946,20 @@ u16 hpi_tuner_get_hd_radio_signal_quality(const struct hpi_hsubsys *ph_subsys, HPI_TUNER_HDRADIO_SIGNAL_QUALITY, 0, 0, pquality, NULL); } +u16 hpi_tuner_get_hd_radio_signal_blend(const struct hpi_hsubsys *ph_subsys, + u32 h_control, u32 *pblend) +{ + return hpi_control_param_get(ph_subsys, h_control, + HPI_TUNER_HDRADIO_BLEND, 0, 0, pblend, NULL); +} + +u16 hpi_tuner_set_hd_radio_signal_blend(const struct hpi_hsubsys *ph_subsys, + u32 h_control, const u32 blend) +{ + return hpi_control_param_set(ph_subsys, h_control, + HPI_TUNER_HDRADIO_BLEND, blend, 0); +} + u16 hpi_tuner_getRDS(const struct hpi_hsubsys *ph_subsys, u32 h_control, char *p_data) { @@ -3266,8 +3280,7 @@ u16 hpi_entity_find_next(struct hpi_entity *container_entity, void hpi_entity_free(struct hpi_entity *entity) { - if (entity != NULL) - kfree(entity); + kfree(entity); } static u16 hpi_entity_alloc_and_copy(struct hpi_entity *src, diff --git a/sound/pci/asihpi/hpios.c b/sound/pci/asihpi/hpios.c index de615cfdb950..742ee12a9e17 100644 --- a/sound/pci/asihpi/hpios.c +++ b/sound/pci/asihpi/hpios.c @@ -89,26 +89,3 @@ u16 hpios_locked_mem_free(struct consistent_dma_area *p_mem_area) void hpios_locked_mem_free_all(void) { } - -void __iomem *hpios_map_io(struct pci_dev *pci_dev, int idx, - unsigned int length) -{ - HPI_DEBUG_LOG(DEBUG, "mapping %d %s %08llx-%08llx %04llx len 0x%x\n", - idx, pci_dev->resource[idx].name, - (unsigned long long)pci_resource_start(pci_dev, idx), - (unsigned long long)pci_resource_end(pci_dev, idx), - (unsigned long long)pci_resource_flags(pci_dev, idx), length); - - if (!(pci_resource_flags(pci_dev, idx) & IORESOURCE_MEM)) { - HPI_DEBUG_LOG(ERROR, "not an io memory resource\n"); - return NULL; - } - - if (length > pci_resource_len(pci_dev, idx)) { - HPI_DEBUG_LOG(ERROR, "resource too small for requested %d \n", - length); - return NULL; - } - - return ioremap(pci_resource_start(pci_dev, idx), length); -} diff --git a/sound/pci/asihpi/hpios.h b/sound/pci/asihpi/hpios.h index a62c3f1e5f09..370f39b43f85 100644 --- a/sound/pci/asihpi/hpios.h +++ b/sound/pci/asihpi/hpios.h @@ -166,13 +166,4 @@ struct hpi_adapter { void __iomem *ap_remapped_mem_base[HPI_MAX_ADAPTER_MEM_SPACES]; }; -static inline void hpios_unmap_io(void __iomem *addr, - unsigned long size) -{ - iounmap(addr); -} - -void __iomem *hpios_map_io(struct pci_dev *pci_dev, int idx, - unsigned int length); - #endif diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 77e22c2a8caa..dc79564fea30 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -2288,8 +2288,10 @@ static struct snd_pci_quirk position_fix_list[] __devinitdata = { SND_PCI_QUIRK(0x1028, 0x01f6, "Dell Latitude 131L", POS_FIX_LPIB), SND_PCI_QUIRK(0x103c, 0x306d, "HP dv3", POS_FIX_LPIB), SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB), + SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB), SND_PCI_QUIRK(0x1106, 0x3288, "ASUS M2V-MX SE", POS_FIX_LPIB), SND_PCI_QUIRK(0x1179, 0xff10, "Toshiba A100-259", POS_FIX_LPIB), + SND_PCI_QUIRK(0x1297, 0x3166, "Shuttle", POS_FIX_LPIB), SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB), SND_PCI_QUIRK(0x1462, 0x1002, "MSI Wind U115", POS_FIX_LPIB), SND_PCI_QUIRK(0x1565, 0x820f, "Biostar Microtech", POS_FIX_LPIB), diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index e863649d31f5..2bf2cb5da956 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -2975,6 +2975,8 @@ static struct snd_pci_quirk cxt5066_cfg_tbl[] = { SND_PCI_QUIRK(0x1179, 0xff50, "Toshiba Satellite P500-PSPGSC-01800T", CXT5066_OLPC_XO_1_5), SND_PCI_QUIRK(0x1179, 0xffe0, "Toshiba Satellite Pro T130-15F", CXT5066_OLPC_XO_1_5), SND_PCI_QUIRK(0x17aa, 0x21b2, "Thinkpad X100e", CXT5066_IDEAPAD), + SND_PCI_QUIRK(0x17aa, 0x21b3, "Thinkpad Edge 13 (197)", CXT5066_IDEAPAD), + SND_PCI_QUIRK(0x17aa, 0x21b4, "Thinkpad Edge", CXT5066_IDEAPAD), SND_PCI_QUIRK(0x17aa, 0x3a0d, "ideapad", CXT5066_IDEAPAD), SND_PCI_QUIRK(0x17aa, 0x215e, "Lenovo Thinkpad", CXT5066_THINKPAD), {} diff --git a/sound/soc/codecs/wm8350.c b/sound/soc/codecs/wm8350.c index 8ae20208e7be..0221ca79b3ae 100644 --- a/sound/soc/codecs/wm8350.c +++ b/sound/soc/codecs/wm8350.c @@ -426,8 +426,8 @@ static const struct soc_enum wm8350_enum[] = { SOC_ENUM_SINGLE(WM8350_INPUT_MIXER_VOLUME, 15, 2, wm8350_lr), }; -static DECLARE_TLV_DB_LINEAR(pre_amp_tlv, -1200, 3525); -static DECLARE_TLV_DB_LINEAR(out_pga_tlv, -5700, 600); +static DECLARE_TLV_DB_SCALE(pre_amp_tlv, -1200, 3525, 0); +static DECLARE_TLV_DB_SCALE(out_pga_tlv, -5700, 600, 0); static DECLARE_TLV_DB_SCALE(dac_pcm_tlv, -7163, 36, 1); static DECLARE_TLV_DB_SCALE(adc_pcm_tlv, -12700, 50, 1); static DECLARE_TLV_DB_SCALE(out_mix_tlv, -1500, 300, 1); diff --git a/sound/soc/codecs/wm8400.c b/sound/soc/codecs/wm8400.c index 7f5d080536a0..8f294066b0ed 100644 --- a/sound/soc/codecs/wm8400.c +++ b/sound/soc/codecs/wm8400.c @@ -107,21 +107,21 @@ static void wm8400_codec_reset(struct snd_soc_codec *codec) wm8400_reset_codec_reg_cache(wm8400->wm8400); } -static const DECLARE_TLV_DB_LINEAR(rec_mix_tlv, -1500, 600); +static const DECLARE_TLV_DB_SCALE(rec_mix_tlv, -1500, 600, 0); -static const DECLARE_TLV_DB_LINEAR(in_pga_tlv, -1650, 3000); +static const DECLARE_TLV_DB_SCALE(in_pga_tlv, -1650, 3000, 0); -static const DECLARE_TLV_DB_LINEAR(out_mix_tlv, -2100, 0); +static const DECLARE_TLV_DB_SCALE(out_mix_tlv, -2100, 0, 0); -static const DECLARE_TLV_DB_LINEAR(out_pga_tlv, -7300, 600); +static const DECLARE_TLV_DB_SCALE(out_pga_tlv, -7300, 600, 0); -static const DECLARE_TLV_DB_LINEAR(out_omix_tlv, -600, 0); +static const DECLARE_TLV_DB_SCALE(out_omix_tlv, -600, 0, 0); -static const DECLARE_TLV_DB_LINEAR(out_dac_tlv, -7163, 0); +static const DECLARE_TLV_DB_SCALE(out_dac_tlv, -7163, 0, 0); -static const DECLARE_TLV_DB_LINEAR(in_adc_tlv, -7163, 1763); +static const DECLARE_TLV_DB_SCALE(in_adc_tlv, -7163, 1763, 0); -static const DECLARE_TLV_DB_LINEAR(out_sidetone_tlv, -3600, 0); +static const DECLARE_TLV_DB_SCALE(out_sidetone_tlv, -3600, 0, 0); static int wm8400_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) @@ -440,7 +440,7 @@ static int outmixer_event (struct snd_soc_dapm_widget *w, /* INMIX dB values */ static const unsigned int in_mix_tlv[] = { TLV_DB_RANGE_HEAD(1), - 0,7, TLV_DB_LINEAR_ITEM(-1200, 600), + 0,7, TLV_DB_SCALE_ITEM(-1200, 600, 0), }; /* Left In PGA Connections */ diff --git a/sound/soc/codecs/wm8990.c b/sound/soc/codecs/wm8990.c index 7b536d923ea9..c018772cc430 100644 --- a/sound/soc/codecs/wm8990.c +++ b/sound/soc/codecs/wm8990.c @@ -111,21 +111,21 @@ static const u16 wm8990_reg[] = { #define wm8990_reset(c) snd_soc_write(c, WM8990_RESET, 0) -static const DECLARE_TLV_DB_LINEAR(rec_mix_tlv, -1500, 600); +static const DECLARE_TLV_DB_SCALE(rec_mix_tlv, -1500, 600, 0); -static const DECLARE_TLV_DB_LINEAR(in_pga_tlv, -1650, 3000); +static const DECLARE_TLV_DB_SCALE(in_pga_tlv, -1650, 3000, 0); -static const DECLARE_TLV_DB_LINEAR(out_mix_tlv, 0, -2100); +static const DECLARE_TLV_DB_SCALE(out_mix_tlv, 0, -2100, 0); -static const DECLARE_TLV_DB_LINEAR(out_pga_tlv, -7300, 600); +static const DECLARE_TLV_DB_SCALE(out_pga_tlv, -7300, 600, 0); -static const DECLARE_TLV_DB_LINEAR(out_omix_tlv, -600, 0); +static const DECLARE_TLV_DB_SCALE(out_omix_tlv, -600, 0, 0); -static const DECLARE_TLV_DB_LINEAR(out_dac_tlv, -7163, 0); +static const DECLARE_TLV_DB_SCALE(out_dac_tlv, -7163, 0, 0); -static const DECLARE_TLV_DB_LINEAR(in_adc_tlv, -7163, 1763); +static const DECLARE_TLV_DB_SCALE(in_adc_tlv, -7163, 1763, 0); -static const DECLARE_TLV_DB_LINEAR(out_sidetone_tlv, -3600, 0); +static const DECLARE_TLV_DB_SCALE(out_sidetone_tlv, -3600, 0, 0); static int wm899x_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) @@ -451,7 +451,7 @@ static int outmixer_event(struct snd_soc_dapm_widget *w, /* INMIX dB values */ static const unsigned int in_mix_tlv[] = { TLV_DB_RANGE_HEAD(1), - 0, 7, TLV_DB_LINEAR_ITEM(-1200, 600), + 0, 7, TLV_DB_SCALE_ITEM(-1200, 600, 0), }; /* Left In PGA Connections */ diff --git a/sound/soc/imx/imx-pcm-dma-mx2.c b/sound/soc/imx/imx-pcm-dma-mx2.c index 2b31ac673ea4..05f19c9284f4 100644 --- a/sound/soc/imx/imx-pcm-dma-mx2.c +++ b/sound/soc/imx/imx-pcm-dma-mx2.c @@ -73,7 +73,8 @@ static void snd_imx_dma_err_callback(int channel, void *data, int err) { struct snd_pcm_substream *substream = data; struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct imx_pcm_dma_params *dma_params = rtd->dai->cpu_dai->dma_data; + struct imx_pcm_dma_params *dma_params = + snd_soc_dai_get_dma_data(rtd->dai->cpu_dai, substream); struct snd_pcm_runtime *runtime = substream->runtime; struct imx_pcm_runtime_data *iprtd = runtime->private_data; int ret; @@ -102,7 +103,7 @@ static int imx_ssi_dma_alloc(struct snd_pcm_substream *substream) struct imx_pcm_runtime_data *iprtd = runtime->private_data; int ret; - dma_params = snd_soc_get_dma_data(rtd->dai->cpu_dai, substream); + dma_params = snd_soc_dai_get_dma_data(rtd->dai->cpu_dai, substream); iprtd->dma = imx_dma_request_by_prio(DRV_NAME, DMA_PRIO_HIGH); if (iprtd->dma < 0) { @@ -212,7 +213,7 @@ static int snd_imx_pcm_prepare(struct snd_pcm_substream *substream) struct imx_pcm_runtime_data *iprtd = runtime->private_data; int err; - dma_params = snd_soc_get_dma_data(rtd->dai->cpu_dai, substream); + dma_params = snd_soc_dai_get_dma_data(rtd->dai->cpu_dai, substream); iprtd->substream = substream; iprtd->buf = (unsigned int *)substream->dma_buffer.area; diff --git a/sound/soc/sh/siu_dai.c b/sound/soc/sh/siu_dai.c index d86ee1bfc03a..eeed5edd722b 100644 --- a/sound/soc/sh/siu_dai.c +++ b/sound/soc/sh/siu_dai.c @@ -588,6 +588,8 @@ static int siu_dai_prepare(struct snd_pcm_substream *substream, ret = siu_dai_spbstart(port_info); if (ret < 0) goto fail; + } else { + ret = 0; } port_info->play_cap |= self; diff --git a/sound/usb/caiaq/control.c b/sound/usb/caiaq/control.c index 36ed703a7416..91c804cd2782 100644 --- a/sound/usb/caiaq/control.c +++ b/sound/usb/caiaq/control.c @@ -42,21 +42,12 @@ static int control_info(struct snd_kcontrol *kcontrol, switch (dev->chip.usb_id) { case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ): - if (pos == 0) { - /* current input mode of A8DJ */ - uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; - uinfo->value.integer.min = 0; - uinfo->value.integer.max = 2; - return 0; - } - break; - case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO4DJ): if (pos == 0) { - /* current input mode of A4DJ */ + /* current input mode of A8DJ and A4DJ */ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->value.integer.min = 0; - uinfo->value.integer.max = 1; + uinfo->value.integer.max = 2; return 0; } break; @@ -86,14 +77,6 @@ static int control_get(struct snd_kcontrol *kcontrol, struct snd_usb_caiaqdev *dev = caiaqdev(chip->card); int pos = kcontrol->private_value; - if (dev->chip.usb_id == - USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO4DJ)) { - /* A4DJ has only one control */ - /* do not expose hardware input mode 0 */ - ucontrol->value.integer.value[0] = dev->control_state[0] - 1; - return 0; - } - if (pos & CNT_INTVAL) ucontrol->value.integer.value[0] = dev->control_state[pos & ~CNT_INTVAL]; @@ -112,20 +95,9 @@ static int control_put(struct snd_kcontrol *kcontrol, int pos = kcontrol->private_value; unsigned char cmd = EP1_CMD_WRITE_IO; - switch (dev->chip.usb_id) { - case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO4DJ): { - /* A4DJ has only one control */ - /* do not expose hardware input mode 0 */ - dev->control_state[0] = ucontrol->value.integer.value[0] + 1; - snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO, - dev->control_state, sizeof(dev->control_state)); - return 1; - } - - case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1): + if (dev->chip.usb_id == + USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1)) cmd = EP1_CMD_DIMM_LEDS; - break; - } if (pos & CNT_INTVAL) { dev->control_state[pos & ~CNT_INTVAL] diff --git a/sound/usb/caiaq/device.c b/sound/usb/caiaq/device.c index 805271827675..cdfb856bddd2 100644 --- a/sound/usb/caiaq/device.c +++ b/sound/usb/caiaq/device.c @@ -36,7 +36,7 @@ #include "input.h" MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>"); -MODULE_DESCRIPTION("caiaq USB audio, version 1.3.20"); +MODULE_DESCRIPTION("caiaq USB audio, version 1.3.21"); MODULE_LICENSE("GPL"); MODULE_SUPPORTED_DEVICE("{{Native Instruments, RigKontrol2}," "{Native Instruments, RigKontrol3}," @@ -320,12 +320,6 @@ static void __devinit setup_card(struct snd_usb_caiaqdev *dev) } break; - case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO4DJ): - /* Audio 4 DJ - default input mode to phono */ - dev->control_state[0] = 2; - snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO, - dev->control_state, 1); - break; } if (dev->spec.num_analog_audio_out + diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c index ef07a6d0dd5f..28ee1ce3971a 100644 --- a/sound/usb/endpoint.c +++ b/sound/usb/endpoint.c @@ -149,6 +149,47 @@ int snd_usb_add_audio_endpoint(struct snd_usb_audio *chip, int stream, struct au return 0; } +static int parse_uac_endpoint_attributes(struct snd_usb_audio *chip, + struct usb_host_interface *alts, + int protocol, int iface_no) +{ + /* parsed with a v1 header here. that's ok as we only look at the + * header first which is the same for both versions */ + struct uac_iso_endpoint_descriptor *csep; + struct usb_interface_descriptor *altsd = get_iface_desc(alts); + int attributes = 0; + + csep = snd_usb_find_desc(alts->endpoint[0].extra, alts->endpoint[0].extralen, NULL, USB_DT_CS_ENDPOINT); + + /* Creamware Noah has this descriptor after the 2nd endpoint */ + if (!csep && altsd->bNumEndpoints >= 2) + csep = snd_usb_find_desc(alts->endpoint[1].extra, alts->endpoint[1].extralen, NULL, USB_DT_CS_ENDPOINT); + + if (!csep || csep->bLength < 7 || + csep->bDescriptorSubtype != UAC_EP_GENERAL) { + snd_printk(KERN_WARNING "%d:%u:%d : no or invalid" + " class specific endpoint descriptor\n", + chip->dev->devnum, iface_no, + altsd->bAlternateSetting); + return 0; + } + + if (protocol == UAC_VERSION_1) { + attributes = csep->bmAttributes; + } else { + struct uac2_iso_endpoint_descriptor *csep2 = + (struct uac2_iso_endpoint_descriptor *) csep; + + attributes = csep->bmAttributes & UAC_EP_CS_ATTR_FILL_MAX; + + /* emulate the endpoint attributes of a v1 device */ + if (csep2->bmControls & UAC2_CONTROL_PITCH) + attributes |= UAC_EP_CS_ATTR_PITCH_CONTROL; + } + + return attributes; +} + int snd_usb_parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no) { struct usb_device *dev; @@ -158,8 +199,8 @@ int snd_usb_parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no) int i, altno, err, stream; int format = 0, num_channels = 0; struct audioformat *fp = NULL; - unsigned char *fmt, *csep; int num, protocol; + struct uac_format_type_i_continuous_descriptor *fmt; dev = chip->dev; @@ -256,8 +297,8 @@ int snd_usb_parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no) dev->devnum, iface_no, altno); continue; } - if (((protocol == UAC_VERSION_1) && (fmt[0] < 8)) || - ((protocol == UAC_VERSION_2) && (fmt[0] != 6))) { + if (((protocol == UAC_VERSION_1) && (fmt->bLength < 8)) || + ((protocol == UAC_VERSION_2) && (fmt->bLength != 6))) { snd_printk(KERN_ERR "%d:%u:%d : invalid UAC_FORMAT_TYPE desc\n", dev->devnum, iface_no, altno); continue; @@ -268,7 +309,9 @@ int snd_usb_parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no) * with the previous one, except for a larger packet size, but * is actually a mislabeled two-channel setting; ignore it. */ - if (fmt[4] == 1 && fmt[5] == 2 && altno == 2 && num == 3 && + if (fmt->bNrChannels == 1 && + fmt->bSubframeSize == 2 && + altno == 2 && num == 3 && fp && fp->altsetting == 1 && fp->channels == 1 && fp->formats == SNDRV_PCM_FMTBIT_S16_LE && protocol == UAC_VERSION_1 && @@ -276,17 +319,6 @@ int snd_usb_parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no) fp->maxpacksize * 2) continue; - csep = snd_usb_find_desc(alts->endpoint[0].extra, alts->endpoint[0].extralen, NULL, USB_DT_CS_ENDPOINT); - /* Creamware Noah has this descriptor after the 2nd endpoint */ - if (!csep && altsd->bNumEndpoints >= 2) - csep = snd_usb_find_desc(alts->endpoint[1].extra, alts->endpoint[1].extralen, NULL, USB_DT_CS_ENDPOINT); - if (!csep || csep[0] < 7 || csep[2] != UAC_EP_GENERAL) { - snd_printk(KERN_WARNING "%d:%u:%d : no or invalid" - " class specific endpoint descriptor\n", - dev->devnum, iface_no, altno); - csep = NULL; - } - fp = kzalloc(sizeof(*fp), GFP_KERNEL); if (! fp) { snd_printk(KERN_ERR "cannot malloc\n"); @@ -305,7 +337,7 @@ int snd_usb_parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no) if (snd_usb_get_speed(dev) == USB_SPEED_HIGH) fp->maxpacksize = (((fp->maxpacksize >> 11) & 3) + 1) * (fp->maxpacksize & 0x7ff); - fp->attributes = csep ? csep[3] : 0; + fp->attributes = parse_uac_endpoint_attributes(chip, alts, protocol, iface_no); /* some quirks for attributes here */ diff --git a/sound/usb/format.c b/sound/usb/format.c index b87cf87c4e7b..fe29d61de19b 100644 --- a/sound/usb/format.c +++ b/sound/usb/format.c @@ -278,12 +278,11 @@ err: * parse the format type I and III descriptors */ static int parse_audio_format_i(struct snd_usb_audio *chip, - struct audioformat *fp, - int format, void *_fmt, + struct audioformat *fp, int format, + struct uac_format_type_i_continuous_descriptor *fmt, struct usb_host_interface *iface) { struct usb_interface_descriptor *altsd = get_iface_desc(iface); - struct uac_format_type_i_discrete_descriptor *fmt = _fmt; int protocol = altsd->bInterfaceProtocol; int pcm_format, ret; @@ -320,7 +319,7 @@ static int parse_audio_format_i(struct snd_usb_audio *chip, switch (protocol) { case UAC_VERSION_1: fp->channels = fmt->bNrChannels; - ret = parse_audio_format_rates_v1(chip, fp, _fmt, 7); + ret = parse_audio_format_rates_v1(chip, fp, (unsigned char *) fmt, 7); break; case UAC_VERSION_2: /* fp->channels is already set in this case */ @@ -392,12 +391,12 @@ static int parse_audio_format_ii(struct snd_usb_audio *chip, } int snd_usb_parse_audio_format(struct snd_usb_audio *chip, struct audioformat *fp, - int format, unsigned char *fmt, int stream, - struct usb_host_interface *iface) + int format, struct uac_format_type_i_continuous_descriptor *fmt, + int stream, struct usb_host_interface *iface) { int err; - switch (fmt[3]) { + switch (fmt->bFormatType) { case UAC_FORMAT_TYPE_I: case UAC_FORMAT_TYPE_III: err = parse_audio_format_i(chip, fp, format, fmt, iface); @@ -407,10 +406,11 @@ int snd_usb_parse_audio_format(struct snd_usb_audio *chip, struct audioformat *f break; default: snd_printd(KERN_INFO "%d:%u:%d : format type %d is not supported yet\n", - chip->dev->devnum, fp->iface, fp->altsetting, fmt[3]); - return -1; + chip->dev->devnum, fp->iface, fp->altsetting, + fmt->bFormatType); + return -ENOTSUPP; } - fp->fmt_type = fmt[3]; + fp->fmt_type = fmt->bFormatType; if (err < 0) return err; #if 1 @@ -421,10 +421,10 @@ int snd_usb_parse_audio_format(struct snd_usb_audio *chip, struct audioformat *f if (chip->usb_id == USB_ID(0x041e, 0x3000) || chip->usb_id == USB_ID(0x041e, 0x3020) || chip->usb_id == USB_ID(0x041e, 0x3061)) { - if (fmt[3] == UAC_FORMAT_TYPE_I && + if (fmt->bFormatType == UAC_FORMAT_TYPE_I && fp->rates != SNDRV_PCM_RATE_48000 && fp->rates != SNDRV_PCM_RATE_96000) - return -1; + return -ENOTSUPP; } #endif return 0; diff --git a/sound/usb/format.h b/sound/usb/format.h index 8298c4e8ddfa..387924f0af85 100644 --- a/sound/usb/format.h +++ b/sound/usb/format.h @@ -1,8 +1,9 @@ #ifndef __USBAUDIO_FORMAT_H #define __USBAUDIO_FORMAT_H -int snd_usb_parse_audio_format(struct snd_usb_audio *chip, struct audioformat *fp, - int format, unsigned char *fmt, int stream, - struct usb_host_interface *iface); +int snd_usb_parse_audio_format(struct snd_usb_audio *chip, + struct audioformat *fp, int format, + struct uac_format_type_i_continuous_descriptor *fmt, + int stream, struct usb_host_interface *iface); #endif /* __USBAUDIO_FORMAT_H */ diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 97dd17655104..03ce971e0027 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -1126,7 +1126,7 @@ static int parse_audio_feature_unit(struct mixer_build *state, int unitid, void } else { struct uac2_feature_unit_descriptor *ftr = _ftr; csize = 4; - channels = (hdr->bLength - 6) / 4; + channels = (hdr->bLength - 6) / 4 - 1; bmaControls = ftr->bmaControls; } diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index 2bf0d77d1768..056587de7be4 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -120,10 +120,6 @@ static int init_pitch_v1(struct snd_usb_audio *chip, int iface, ep = get_endpoint(alts, 0)->bEndpointAddress; - /* if endpoint doesn't have pitch control, bail out */ - if (!(fmt->attributes & UAC_EP_CS_ATTR_PITCH_CONTROL)) - return 0; - data[0] = 1; if ((err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR, USB_TYPE_CLASS|USB_RECIP_ENDPOINT|USB_DIR_OUT, @@ -137,8 +133,32 @@ static int init_pitch_v1(struct snd_usb_audio *chip, int iface, return 0; } +static int init_pitch_v2(struct snd_usb_audio *chip, int iface, + struct usb_host_interface *alts, + struct audioformat *fmt) +{ + struct usb_device *dev = chip->dev; + unsigned char data[1]; + unsigned int ep; + int err; + + ep = get_endpoint(alts, 0)->bEndpointAddress; + + data[0] = 1; + if ((err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC2_CS_CUR, + USB_TYPE_CLASS | USB_RECIP_ENDPOINT | USB_DIR_OUT, + UAC2_EP_CS_PITCH << 8, 0, + data, sizeof(data), 1000)) < 0) { + snd_printk(KERN_ERR "%d:%d:%d: cannot set enable PITCH (v2)\n", + dev->devnum, iface, fmt->altsetting); + return err; + } + + return 0; +} + /* - * initialize the picth control and sample rate + * initialize the pitch control and sample rate */ int snd_usb_init_pitch(struct snd_usb_audio *chip, int iface, struct usb_host_interface *alts, @@ -146,13 +166,16 @@ int snd_usb_init_pitch(struct snd_usb_audio *chip, int iface, { struct usb_interface_descriptor *altsd = get_iface_desc(alts); + /* if endpoint doesn't have pitch control, bail out */ + if (!(fmt->attributes & UAC_EP_CS_ATTR_PITCH_CONTROL)) + return 0; + switch (altsd->bInterfaceProtocol) { case UAC_VERSION_1: return init_pitch_v1(chip, iface, alts, fmt); case UAC_VERSION_2: - /* not implemented yet */ - return 0; + return init_pitch_v2(chip, iface, alts, fmt); } return -EINVAL; diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 08278eda31a5..96db5248e995 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -343,7 +343,7 @@ find_next: continue; } - if (use_browser) { + if (use_browser > 0) { key = hist_entry__tui_annotate(he); if (is_exit_key(key)) break; diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 397290a0a76e..a66f4272b994 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -1060,7 +1060,7 @@ static void event__process_sample(const event_t *self, pr_err("Can't annotate %s", sym->name); if (sym_filter_entry->map->dso->origin == DSO__ORIG_KERNEL) { pr_err(": No vmlinux file was found in the path:\n"); - vmlinux_path__fprintf(stderr); + machine__fprintf_vmlinux_path(machine, stderr); } else pr_err(".\n"); exit(1); diff --git a/tools/perf/util/debug.c b/tools/perf/util/debug.c index dd824cf3b628..6cddff2bc970 100644 --- a/tools/perf/util/debug.c +++ b/tools/perf/util/debug.c @@ -22,7 +22,7 @@ int eprintf(int level, const char *fmt, ...) if (verbose >= level) { va_start(args, fmt); - if (use_browser) + if (use_browser > 0) ret = browser__show_help(fmt, args); else ret = vfprintf(stderr, fmt, args); diff --git a/tools/perf/util/newt.c b/tools/perf/util/newt.c index d54c540f49db..cf182ca132fe 100644 --- a/tools/perf/util/newt.c +++ b/tools/perf/util/newt.c @@ -1139,6 +1139,7 @@ void setup_browser(void) struct newtPercentTreeColors *c = &defaultPercentTreeColors; if (!isatty(1) || !use_browser || dump_trace) { + use_browser = 0; setup_pager(); return; } diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index aaa51ba147df..7fd6b151feb5 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -1695,9 +1695,20 @@ int dso__load_vmlinux_path(struct dso *self, struct map *map, symbol_filter_t filter) { int i, err = 0; + char *filename; pr_debug("Looking at the vmlinux_path (%d entries long)\n", - vmlinux_path__nr_entries); + vmlinux_path__nr_entries + 1); + + filename = dso__build_id_filename(self, NULL, 0); + if (filename != NULL) { + err = dso__load_vmlinux(self, map, filename, filter); + if (err > 0) { + dso__set_long_name(self, filename); + goto out; + } + free(filename); + } for (i = 0; i < vmlinux_path__nr_entries; ++i) { err = dso__load_vmlinux(self, map, vmlinux_path[i], filter); @@ -1706,7 +1717,7 @@ int dso__load_vmlinux_path(struct dso *self, struct map *map, break; } } - +out: return err; } @@ -2102,13 +2113,21 @@ out_fail: return -1; } -size_t vmlinux_path__fprintf(FILE *fp) +size_t machine__fprintf_vmlinux_path(struct machine *self, FILE *fp) { int i; size_t printed = 0; + struct dso *kdso = self->vmlinux_maps[MAP__FUNCTION]->dso; + + if (kdso->has_build_id) { + char filename[PATH_MAX]; + if (dso__build_id_filename(kdso, filename, sizeof(filename))) + printed += fprintf(fp, "[0] %s\n", filename); + } for (i = 0; i < vmlinux_path__nr_entries; ++i) - printed += fprintf(fp, "[%d] %s\n", i, vmlinux_path[i]); + printed += fprintf(fp, "[%d] %s\n", + i + kdso->has_build_id, vmlinux_path[i]); return printed; } diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index 5d25b5eb1456..5e02d2c17154 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -216,6 +216,6 @@ int machines__create_guest_kernel_maps(struct rb_root *self); int symbol__init(void); bool symbol_type__is_a(char symbol_type, enum map_type map_type); -size_t vmlinux_path__fprintf(FILE *fp); +size_t machine__fprintf_vmlinux_path(struct machine *self, FILE *fp); #endif /* __PERF_SYMBOL */ |